Job Description

Platform Operations & Technical Ownership

3rd-Level Technical Support & Troubleshooting as key knowledge resource

Acts as the primary 3rd-level contact for:

- Wazuh SIEM
- PostgreSQL
- S3 MinIO Object Storage
- DNS Infrastructure
- Remote platform access / bastion systems
- Linux OS (SuSE, RHEL, Ubuntu)
- NSX‑T networking and firewalling
- SuSE Manager

Performs deep root-cause analyses including multi-system debugging. Handles cross-team, business-critical incidents requiring broad platform knowledge.

Capacity & Performance Management

End-to-end responsibility for FCI and Kubernetes cluster capacity management. Continuous assessment of resource utilization, trends, and scaling requirements.

Platform Stability & Reliability

Introduces improvements in platform stability and deployment reliability. Optimizes operational models and CI/CD processes. Ensures smooth transitions from project delivery to stable operations.

2. Platform Engineering & Automation

Prepares, designs, and executes Proofs of Concept (PoCs) for:

- Ansible / AWX to enable automated deployments and configuration management.
- Oracle-related technologies, including integration and migration scenarios.

Develops automation strategies and contributes reusable modules and deployment templates. Defines technical standards for automated operations.

3. Security, Compliance & Governance

Audit Management & Collaboration with Auditors

Designs, reviews, and explains technical audit controls to internal and external auditors. Coordinates audit activities for both platform and application-related topics.

Security-Driven Engineering

Embeds security controls into automated deployment workflows. Creates and maintains compliance policies and technical guardrails.

Wazuh SIEM Responsibility

Designs, maintains, and operates the Wazuh security platform. Develops use cases, alerts, dashboards, and security incident processes. Troubleshoots performance issues, agent behavior, and platform scalability.

4. Collaboration, Stakeholder Management & Enablement

Coordinates work packages across AO teams, development teams, and infrastructure units. Works closely with software teams to onboard applications onto the platform. Supports service portfolio development and provides technical input for presales activities. Shares best practices and mentors engineers regarding platform processes and tools.

5. Architecture, Design & Technology Evaluation

Executes PoCs and evaluates new platform components. Defines integration strategies for new technologies in alignment with architecture standards. Creates reference architectures, deployment blueprints, and operational concepts. Evaluates solutions based on scalability, resilience, security, and cost efficiency.

6. Project Involvement

Project: Icinga Replacement

Coordinates work and dependencies with classic AO teams. Supports AO teams in deploying and configuring exporters/agents on legacy VMs. Standardizes client-side configurations and data mappings. Implements standardized dashboards for platform service observability. Defines monitoring and alerting for existing components and applications. Performs advanced troubleshooting, including:

- missing or incomplete metrics
- high scrape latency
- time-series cardinality challenges
- Kubernetes monitoring (Prometheus Operator, Service Monitor/Pod Monitor resources)

Project: MIF

Analysis of the existing application architecture and its components. Conducts PoC for Cognos. Supports DB2 → PostgreSQL migration, including data validation, performance assessment, and migration tooling.

7. Technical Skills & Competencies

Linux Platform Engineering & Operations

- Advanced administration of enterprise-grade Linux systems (RHEL, Ubuntu, hardened distributions).
- Deep OS-level troubleshooting (CPU, memory, IO bottlenecks, process diagnostics).
- Service lifecycle management using systemd, including journald log analysis.
- Kernel parameter tuning, optimization, and performance diagnostics.
- Host-level incident investigation and forensic log analysis.
- Definition and execution of patching and lifecycle management strategies.
- Filesystem operations and troubleshooting (LVM, XFS, ext4, mount and IO issues).
- User and remote access configuration, including SSH hardening and bastion host concepts.

Kubernetes Platform Operations

- Operational support for Kubernetes clusters across control plane and worker nodes.
- Troubleshooting pod failures, scheduling issues, container crashes, and resource exhaustion.
- Debugging of networking-related problems (CNI layers, service routing, DNS resolution).
- Management of persistent volumes, storage classes, and dynamic provisioning behaviors.
- Resource forecasting and capacity planning for cluster growth (CPU, memory, storage).
- Execution and validation of Kubernetes cluster upgrades.
- Operational support for multi-cluster and multi-environment setups.
- Analysis of Kubernetes system logs (kube-api, kubelet, controller-manager).
- Maintenance and enhancement of the Kubernetes stack, including version upgrades and feature adoption.

Observability & Security Platform (Wazuh)

- Design, deployment, and operational management of the Wazuh SIEM platform.
- Full lifecycle management of Wazuh agents, including policy enforcement and tuning.
- Troubleshooting log ingestion pipelines, decoders, enrichment rules, and alert logic.
- Integration of Wazuh with platform services and infrastructure.
- Analysis of security alerts and support of incident investigations.
- Performance optimization of SIEM components to ensure reliable event processing.
- Maintenance of compliance dashboards and generation of audit-relevant evidence.
- Continuous improvement of Wazuh stack via upgrades, new features, and configuration optimization.

Observability & Monitoring Platform (Prometheus / Grafana / Alerting)

- Deployment, configuration, and operations of Prometheus-based monitoring stacks (standalone and Kubernetes-integrated).
- Administration of scraping configurations, service discovery rules, and target troubleshooting.
- Design and maintenance of recording rules and alert rules for platform components.
- Alert noise reduction through tuning and improved signal quality.
- Integration and troubleshooting of exporters (node, database, Kubernetes, etc.).
- Resolution of metric gaps, scrape latency issues, and cardinality-related performance problems.
- Capacity planning for Prometheus TSDB retention, storage requirements, and query performance.
- Development and lifecycle management of Grafana dashboards for platform and infrastructure services.
- Troubleshooting dashboard performance, data source connectivity, and visualization accuracy.
- Implementation of standardized dashboard templates across platform services.
- Integration of alerting workflows into incident management systems.
- Definition of platform SLIs/SLOs and reliability indicators.
- Correlation of metrics and logs (including Wazuh and OS logs) for root-cause analysis.
- Support and lifecycle management of Kubernetes monitoring components (Prometheus Operator, Service Monitor/Pod Monitor).
- Validation of monitoring coverage for newly onboarded components and applications.

Database Platform Operations (PostgreSQL / Oracle PoC)

- Operational management of PostgreSQL clusters across environments.
- Monitoring key metrics (connections, locks, long-running queries, replication lag).
- Backup, restore, and disaster recovery validation.
- Growth and capacity planning for compute and storage layers.
- Support for database failover scenarios and resilience testing.
- Preparation and execution of Oracle-related proofs of concept.
- Evaluation of database deployment models (VM-based, containerized, or managed).
- Maintenance and enhancement of the database stack, including upgrades and feature adoption.

Object Storage Platform (MinIO / S3 APIs)

- Deployment and operations of MinIO-based object storage clusters.
- Troubleshooting of S3 API access, authentication, and compatibility issues.
- Monitoring capacity usage, planning storage expansions, and scaling clusters.
- Configuration of lifecycle policies, data retention, and archival strategies.
- Integration of MinIO with platform workloads, CI/CD, and backup systems.
- Performance analysis and troubleshooting of replication and erasure coding.

Networking & Firewall Operations (VMware NSX-T)

- Operational support of software-defined networking environments using NSX-T.
- Troubleshooting of routing issues, overlay networking, and cross-segment connectivity.
- Management of distributed firewall policies and micro-segmentation rules.
- Support for load balancers, service exposure, and virtual networking components.
- Administration of DNS infrastructure (zones, records, service discovery).
- Throughput, latency, and capacity analysis for critical network paths.

Remote Platform Access & Identity Integration

- Design and support of secure remote access solutions using Apache Guacamole and Entra ID.
- Troubleshooting identity flows, authentication chains, and access control policies.
- Integration with enterprise identity providers using OIDC and directory services.
- Implementation of secure access patterns for administrators and application teams.

Automation & Platform Engineering (Ansible / AWX)

- Preparation and execution of Ansible and AWX proof-of-concepts.
- Development of automation playbooks for platform configuration, provisioning, and lifecycle tasks.
- Integration of configuration management workflows into operational routines.
- Evaluation and optimization of automated operational processes.
- Automated deployment validation and configuration compliance checks.

Incident Management & Reliability Engineering

- 3rd-level escalation point for complex incidents across infrastructure and platform services.
- Root cause analysis using logs, metrics, and system-level diagnostics.
- Coordination of incident response across multiple technical domains.
- Identification and remediation of recurring incident patterns.
- Implementation of platform stabilization and hardening measures.
- Transition of engineered solutions into long-term operational models.

Security, Compliance & Audit Support





- Design and discussion of audit controls with internal and external auditors.
- Preparation of audit evidence for platform and application compliance.
- Integration of security controls and guardrails into automated deployment workflows.
- Maintenance of compliance-sensitive configuration baselines.
- Support for remediation of audit findings and compliance gaps.

Architecture & Technology Evaluation

- Execution of proofs of concept for emerging technologies and platform components.
- Assessment of scalability, resilience, operational complexity, and security posture.
- Creation of technical blueprints and reference architectures.
- Definition of integration strategies for new services within existing platform ecosystems.
- Evaluation of cost efficiency, maintainability, and operational impact of architectural decisions.

Collaboration & Platform Enablement

- Coordination of cross-team technical work packages across operations and engineering units.
- Support for application onboarding to shared platform services.
- Documentation of platform standards, operational procedures, and best practices.
- Contribution to presales discussions and service portfolio evolution.
- Delivery of knowledge transfer and enablement sessions for operations and development teams

Qualifications

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Your Task

This role focuses on Platform Operations & Technical Ownership, serving as the primary 3rd-level contact for critical infrastructure components including Wazuh SIEM, PostgreSQL, S3 MinIO Object Storage, DNS Infrastructure, remote platform access/bastion systems, Linux OS (SuSE, RHEL, Ubuntu), NSX-T networking and firewalling, and SuSE Manager. The position involves performing deep root-cause analyses including multi-system debugging and handling cross-team, business-critical incidents requiring broad platform knowledge. The role includes end-to-end responsibility for FCI and Kubernetes cluster capacity management, with continuous assessment of resource utilization, trends, and scaling requirements. You will drive improvements in platform stability and deployment reliability, optimize operational models and CI/CD processes, and ensure smooth transitions from project delivery to stable operations. As part of Platform Engineering & Automation, you will prepare, design, and execute Proofs of Concept (PoCs) for Ansible/AWX to enable automated deployments and configuration management, as well as Oracle-related technologies including integration and migration scenarios. You will develop automation strategies, contribute reusable modules and deployment templates, and define technical standards for automated operations. In the Security, Compliance & Governance domain, you will design, review, and explain technical audit controls to internal and external auditors, coordinate audit activities for both platform and application-related topics, embed security controls into automated deployment workflows, and create and maintain compliance policies and technical guardrails. You will be responsible for designing, maintaining, and operating the Wazuh security platform, developing use cases, alerts, dashboards, and security incident processes, and troubleshooting performance issues, agent behavior, and platform scalability. The position requires collaboration and stakeholder management, coordinating work packages across AO teams, development teams, and infrastructure units. You will work closely with software teams to onboard applications onto the platform, support service portfolio development, provide technical input for presales activities, and share best practices while mentoring engineers regarding platform processes and tools.

Key Responsibilities

Platform Operations & Technical Support:

- Act as primary 3rd-level contact for Wazuh SIEM, PostgreSQL, S3 MinIO Object Storage, DNS Infrastructure, remote platform access/bastion systems, Linux OS (SuSE, RHEL, Ubuntu), NSX-T networking and firewalling, and SuSE Manager
- Perform deep root-cause analyses including multi-system debugging
- Handle cross-team, business-critical incidents requiring broad platform knowledge
- Manage end-to-end responsibility for FCI and Kubernetes cluster capacity management
- Continuously assess resource utilization, trends, and scaling requirements
- Drive improvements in platform stability and deployment reliability
- Optimize operational models and CI/CD processes
- Ensure smooth transitions from project delivery to stable operations

Platform Engineering & Automation:

- Prepare, design, and execute Proofs of Concept (PoCs) for Ansible/AWX to enable automated deployments and configuration management
- Conduct PoCs for Oracle-related technologies, including integration and migration scenarios
- Develop automation strategies and contribute reusable modules and deployment templates
- Define technical standards for automated operations

Security, Compliance & Governance:

- Design, review, and explain technical audit controls to internal and external auditors
- Coordinate audit activities for both platform and application-related topics
- Embed security controls into automated deployment workflows
- Create and maintain compliance policies and technical guardrails
- Design, maintain, and operate the Wazuh security platform
- Develop use cases, alerts, dashboards, and security incident processes
- Troubleshoot performance issues, agent behavior, and platform scalability for Wazuh SIEM

Collaboration & Stakeholder Management:

- Coordinate work packages across AO teams, development teams, and infrastructure units
- Work closely with software teams to onboard applications onto the platform
- Support service portfolio development and provide technical input for presales activities
- Share best practices and mentor engineers regarding platform processes and tools

Architecture, Design & Technology Evaluation:

- Execute PoCs and evaluate new platform components
- Define integration strategies for recent technologies in alignment with architecture standards
- Create reference architectures, deployment blueprints, and operational concepts
- Evaluate solutions based on scalability, resilience, security, and cost efficiency

Project Involvement - Icinga Replacement:

- Coordinate work and dependencies with classic AO teams
- Support AO teams in deploying and configuring exporters/agents on legacy VMs
- Standardize client-side configurations and data mappings
- Implement standardized dashboards for platform service observability
- Define monitoring and alerting for existing components and applications
- Perform advanced troubleshooting including missing or incomplete metrics, high scrape latency, time-series cardinality challenges, and Kubernetes monitoring (Prometheus Operator, Service Monitor/Pod Monitor resources)

Project Involvement - MIF:

- Analyze the existing application architecture and its components
- Conduct PoC for Cognos
- Support DB2 to PostgreSQL migration, including data validation, performance assessment, and migration tooling

Linux Platform Engineering & Operations:

- Provide advanced administration of enterprise-grade Linux systems (RHEL, Ubuntu, hardened distributions)
- Conduct deep OS-level troubleshooting (CPU, memory, IO bottlenecks, process diagnostics)
- Manage service lifecycle using systemd, including journald log analysis
- Perform kernel parameter tuning, optimization, and performance diagnostics
- Execute host-level incident investigation and forensic log analysis
- Define and execute patching and lifecycle management strategies
- Troubleshoot filesystem operations (LVM, XFS, ext4, mount and IO issues)
- Configure user and remote access, including SSH hardening and bastion host concepts

Kubernetes Platform Operations:

- Provide operational support for Kubernetes clusters across control plane and worker nodes
- Troubleshoot pod failures, scheduling issues, container crashes, and resource exhaustion
- Debug networking-related problems (CNI layers, service routing, DNS resolution)
- Manage persistent volumes, storage classes, and dynamic provisioning behaviors
- Conduct resource forecasting and capacity planning for cluster growth (CPU, memory, storage)
- Execute and validate Kubernetes cluster upgrades
- Provide operational support for multi-cluster and multi-environment setups
- Analyze Kubernetes system logs (kube-api, kubelet, controller-manager)
- Maintain and enhance the Kubernetes stack, including version upgrades and feature adoption

Observability & Security Platform (Wazuh):

- Design, deploy, and operationally manage the Wazuh SIEM platform
- Manage full lifecycle of Wazuh agents, including policy enforcement and tuning
- Troubleshoot log ingestion pipelines, decoders, enrichment rules, and alert logic
- Integrate Wazuh with platform services and infrastructure
- Analyze security alerts and support incident investigations
- Optimize performance of SIEM components to ensure reliable event processing
- Maintain compliance dashboards and generate audit-relevant evidence
- Continuously improve Wazuh stack via upgrades, new features, and configuration optimization

Observability & Monitoring Platform (Prometheus / Grafana / Alerting):

- Deploy, configure, and operate Prometheus-based monitoring stacks (standalone and Kubernetes-integrated)
- Administer scraping configurations, service discovery rules, and target troubleshooting
- Design and maintain recording rules and alert rules for platform components
- Reduce alert noise through tuning and improved signal quality
- Integrate and troubleshoot exporters (node, database, Kubernetes, etc.)
- Resolve metric gaps,



scrape latency issues, and cardinality-related performance problems
- Plan capacity for Prometheus TSDB retention, storage requirements, and query performance
- Develop and manage lifecycle of Grafana dashboards for platform and infrastructure services
- Troubleshoot dashboard performance, data source connectivity, and visualization accuracy
- Implement standardized dashboard templates across platform services
- Integrate alerting workflows into incident management systems
- Define platform SLIs/SLOs and reliability indicators
- Correlate metrics and logs (including Wazuh and OS logs) for root-cause analysis
- Support and manage lifecycle of Kubernetes monitoring components (Prometheus Operator, Service Monitor/Pod Monitor)
- Validate monitoring coverage for newly onboarded components and applications

Database Platform Operations (PostgreSQL / Oracle PoC):

- Operationally manage PostgreSQL clusters across environments
- Monitor key metrics (connections, locks, long-running queries, replication lag)
- Validate backup, restore, and disaster recovery procedures
- Plan growth and capacity for compute and storage layers
- Support database failover scenarios and resilience testing
- Prepare and execute Oracle-related proofs of concept
- Evaluate database deployment models (VM-based, containerized, or managed)
- Maintain and enhance the database stack, including upgrades and feature adoption

Object Storage Platform (MinIO / S3 APIs):

- Deploy and operate MinIO-based object storage clusters
- Troubleshoot S3 API access, authentication, and compatibility issues
- Monitor capacity usage, plan storage expansions, and scale clusters
- Configure lifecycle policies, data retention, and archival strategies
- Integrate MinIO with platform workloads, CI/CD, and backup systems
- Analyze performance and troubleshoot replication and erasure coding

Networking & Firewall Operations (VMware NSX-T):

- Provide operational support of software-defined networking environments using NSX-T
- Troubleshoot routing issues, overlay networking, and cross-segment connectivity
- Management of distributed firewall policies and micro-segmentation rules
- Support for load balancers, service exposure, and virtual networking components
- Administer DNS infrastructure (zones, records, service discovery)
- Analyze throughput, latency, and capacity for critical network paths

Remote Platform Access & Identity Integration:

- Design and support secure remote access solutions using Apache Guacamole and Entra ID
- Troubleshoot identity flows, authentication chains, and access control policies
- Integrate with enterprise identity providers using OIDC and directory services
- Implement secure access patterns for administrators and application teams

Automation & Platform Engineering (Ansible / AWX):

- Prepare and execute Ansible and AWX proof-of-concepts
- Develop automation playbooks for platform configuration, provisioning, and lifecycle tasks
- Integrate configuration management workflows into operational routines
- Evaluate and optimize automated operational processes
- Validate automated deployment and configuration compliance checks

Incident Management & Reliability Engineering:

- Serve as 3rd-level escalation point for complex incidents across infrastructure and platform services
- Conduct root cause analysis using logs, metrics, and system-level diagnostics
- Coordinate incident response across multiple technical domains
- Identify and remediate recurring incident patterns
- Implement platform stabilization and hardening measures
- Transition engineered solutions into long-term operational models

Architecture & Technology Evaluation:

- Execute proofs of concept for emerging technologies and platform components
- Assess scalability, resilience, operational complexity, and security posture
- Create technical blueprints and reference architectures
- Define integration strategies for new services within existing platform ecosystems
- Evaluate cost efficiency, maintainability, and operational impact of architectural decisions

Platform Enablement:

- Coordinate cross-team technical work packages across operations and engineering units
- Support for application onboarding to shared platform services
- Document platform standards, operational procedures, and best practices
- Contribute to presales discussions and service portfolio evolution
- Deliver knowledge transfer and enablement sessions for operations and development teams

Your Profile

We are seeking a highly skilled Platform Operations Engineer with deep expertise in Linux systems, Kubernetes, security platforms, observability tools, and database operations. The ideal candidate will serve as a 3rd-level technical expert, drive platform stability and automation initiatives, and support critical security, compliance, and audit activities.

Must Have Skills

- Advanced administration of enterprise-grade Linux systems (RHEL, Ubuntu, SuSE, hardened distributions)
- Deep OS-level troubleshooting (CPU, memory, IO bottlenecks, process diagnostics)
- Service lifecycle management using systemd, including journald log analysis
- Kernel parameter tuning, optimization, and performance diagnostics
- Host-level incident investigation and forensic log analysis
- Filesystem operations and troubleshooting (LVM, XFS, ext4, mount and IO issues)
- User and remote access configuration, including SSH hardening and bastion host concepts
- Operational support for Kubernetes clusters across control plane and worker nodes
- Troubleshooting pod failures, scheduling issues, container crashes, and resource exhaustion
- Debugging of networking-related problems (CNI layers, service routing, DNS resolution)
- Management of persistent volumes, storage classes, and dynamic provisioning behaviors
- Resource forecasting and capacity planning for cluster growth (CPU, memory, storage)
- Execution and validation of Kubernetes cluster upgrades
- Analysis of Kubernetes system logs (kube-api, kubelet, controller-manager)
- Design, deployment, and operational management of the Wazuh SIEM platform
- Full lifecycle management of Wazuh agents, including policy enforcement and tuning
- Troubleshooting log ingestion pipelines, decoders, enrichment rules, and alert logic
- Integration of Wazuh with platform services and infrastructure
- Analysis of security alerts and support of incident investigations
- Performance optimization of SIEM components to ensure reliable event processing
- Deployment, configuration, and operations of Prometheus-based monitoring stacks
- Administration of scraping configurations, service discovery rules, and target troubleshooting
- Design and maintenance of recording rules and alert rules for platform components
- Integration and troubleshooting of exporters (node, database, Kubernetes, etc.)
- Resolution of metric gaps, scrape latency issues, and cardinality-related performance problems
- Development and lifecycle management of Grafana dashboards for platform and infrastructure services
- Troubleshooting dashboard performance, data source connectivity, and visualization accuracy
- Integration of alerting workflows into incident management systems
- Operational management of PostgreSQL clusters across environments
- Monitoring key database metrics (connections, locks, long-running queries, replication lag)
- Backup, restore, and disaster recovery validation
- Growth and capacity planning for compute and storage layers
- Support for database failover scenarios and resilience testing
- Deployment and operations of MinIO-based object storage clusters
- Troubleshooting of S3 API access, authentication, and compatibility issues
- Monitoring capacity usage, planning storage expansions, and scaling clusters
- Configuration of lifecycle policies, data retention, and archival strategies
- Operational support of software-defined networking environments using NSX-T
- Troubleshooting of routing issues, overlay networking, and cross-segment connectivity
- Management of distributed firewall policies and micro-segmentation rules
- Administration of DNS infrastructure (zones, records, service discovery)
- Design and support of secure remote access solutions using Apache Guacamole and Entra ID
- Troubleshooting identity flows, authentication chains, and access control policies
- Integration with enterprise identity providers using OIDC and directory services
- 3rd-level escalation point for complex incidents across infrastructure and platform services
- Root cause analysis using logs, metrics, and system-level diagnostics
- Coordination of incident response across multiple technical domains
- Design and discussion of audit controls with internal and external auditors
- Preparation of audit evidence for platform and application compliance
- Integration of security controls and guardrails into automated deployment workflows
- Execution of proofs of concept for emerging technologies and platform components
- Assessment of scalability, resilience, operational complexity, and security posture
- Creation of technical blueprints and reference architectures
- Coordination of cross-team technical work packages across operations and engineering units
- Support for application onboarding to shared platform services
- Documentation of platform standards, operational procedures, and best practices
- End-to-end responsibility for FCI and Kubernetes cluster capacity management
- Continuous assessment of resource utilization, trends, and scaling requirements
- Experience with SuSE Manager
- Experience with multi-cluster and multi-environment setups
- Experience with Prometheus Operator, Service Monitor/Pod Monitor resources
- Experience with DB2 to PostgreSQL migration, including data validation and performance assessment
- Experience with Cognos
- Ability to perform deep root-cause analyses including multi-system debugging
- Ability to handle cross-team, business-critical incidents requiring broad platform knowledge
- Ability to drive improvements in platform stability and deployment reliability
- Ability to optimize operational models and CI/CD processes
- Ability to develop automation strategies and contribute reusable modules and deployment templates
- Ability to embed security controls into automated deployment workflows
- Ability to work closely with software teams to onboard applications onto the platform
- Ability to deliver knowledge transfer and enablement sessions for operations and development teams

📌 Technology Architect (m/f/d) (India)
🏢 T Systems
📍 India