Job DescriptionQualification & Experience:

N8+ years of working experience in IT working on Linux environments (RHEL) with development

Nexperience. ● Solid Linux/RedHat system administration skills for Installing, managing Scientific

NComputing applications and Performance Analysis and debugging real time application execution.

NStorage Infrastructure & Data Lifecycle Management

N● Design & Engineering: Architectural planning, deployment, and administration of parallel file

Nsystems (e.G., Lustre, IBM Spectrum Scale, BeeGFS) and scalable object storage solutions.

N● Performance Engineering: Continuous monitoring of storage I/O performance;

identification and

nmitigation of I/O bottlenecks to ensure throughput requirements for compute workloads are met.

N● Data Lifecycle Strategy: Preparing for the future implementation of tiered storage concepts

N(HSM/ILM) to enable automated data migration across different performance tiers (hot-to-cold

Narchiving).

nNetwork Architecture & Troubleshooting

N● Advanced Diagnostics: Analyzing complex interdependencies between storage backends, file

Nsystems, and fabric architectures.

N● Protocol Analysis: Utilizing deep packet inspection tools (e.G., tcpdump, Wireshark) and

Nperformance profiling suites (e.G., fio, perf, iostat) to isolate packet loss, latency jitter, or metadata

Nlock contention.

n● Interconnect Optimization: Performance tuning of low-latency network configurations

N(InfiniBand/Ethernet) with a specific focus on RDMA protocols (RoCE/iWARP).

NAccess Control, Security & Compliance

N● Identity & Access Governance: Managing NFS (v3/v4) and SMB/CIFS exports, taking into account

Nmulti-tenant structures and cross-cluster access.

N● Hardening & Compliance: Enforcing network-level export policies (CIDR-based) and implementing

NPOSIX-compliant ACLs as well as POSIX group mappings via LDAP/NIS.

N● Data Security: Ensuring data-at-rest and data-in-transit encryption in compliance with regulatory

Nstandards (GDPR, Export Control) and institutional security policies.

NWorkload & User Enablement

N● Data Movement:



Orchestrating large-scale data transfers using specialized tools (e.G., XCP,

NAspera, Globus).

n● Consulting & Optimization: Advising users on I/O-efficient application development and best

Npractices for highly scalable workflows.

NCandidate Profile (Skills)

N● Expertise: Deep knowledge in administering HPC storage stacks and distributed file systems

N(POSIX-compliant).

n● Network Stack: Expert knowledge of TCP/IP networking, InfiniBand fabrics, routing & switching,

Nand RDMA technologies.

N● Automation: Experience in automating provisioning and configuration management (Ansible,

NPuppet, Bash/Python).

n● Containers & Orchestration: Solid understanding of integrating storage solutions into

Ncontainerized environments (Singularity/Apptainer, Kubernetes).

N● Good understanding of ITIL processes (Incident, Change, Problem, Service Management);

ncertification preferred.

N● Analytical mindset withstrong problem-solving skills, able to diagnose, reproduce, and resolve

Ncomplex issues.

n●Experience in stakeholder management and user support, with ability to adapt to evolving

Nbusiness processes.

nGood understanding of server architecture and Engineering applications.

N● Knowledge on AI tools (Copilot, Gemini Coding Assistant) for Quality improvement, Automation

Nand Value generation.

n● Understanding and experience in Cloud technologies (preferably AWS) and contributing to building

Ncloud ready solutions. (Bonus points if Certified).

N● Excellent communicationskills to work in a globally distributed team

NResponsibilities:

N● Operate, maintain, and optimize Scientific Computing environments (Linux/RedHat, HPC

Nclusters, scheduling systems).

N

n
- Develop and maintain legacy codebases, new codebases and automation scripts.
N




- Troubleshoot and resolve issues related to Scientific Computing Applications, its installation,
N

ndependency management and performance.

N

n
- Apply ITIL processes in daily operations (Incident/Change/Problem Management).
N
- Proactively challenge existing workflows and propose innovative improvements to enhance
N

nefficiency and user experience.

N● Collaborating with business users and relevant stakeholders to define project requirements,

Nscope and deliverables.

N● Provide day-to-day support for production processing by solving incidents and requests raised by

Nthe user community and anongoing event and alert management

N

n
- Analyze and propose/implement to Improve incident resolution quality.
N
- Perform incident categorisation/classification & find out critical issues/most popular incidents and
N

ndo root cause analysis

N● Perform root cause analysis for critical incidents & trend analysis for proactive

Nmeasures

n● Participate in Agile Development activities and deliver features for fix/improvement of the

Nservice Apply DevOps and AI tools, culture and mindset for all your activities on a daily

Nbasis

n

n
- Excellent communication skills to work in a globally distributed team
N
- Contribute to continuous improvement initiatives on demand.
N
- Engage and motivate thepeople (involved and stakeholders / customers) to promote Self-
N

nreflection, Self-management, Communication and Teamwork.

N

n
- Manage Conflicts and Negotiation to achieve optimized results for the business.
N
- Define and develop the objectives hierarchy of the project or product using appropriate strategies,
N

nmethods and tools.

N● Engage stakeholders in a governance that ensures effective use of time, budget and achievement

Nof quality.

n

n
- Integrate processes and people from other functions (matrix organizations).
N
- Ensure effective integration of lessons learnt. Ensure active risk and opportunity and contract
N

n(internal or external) management.

N● Ensure effective management of partners and suppliers.

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