RHEL / HP-UX / Solaris Administrator – Managed Infrastructure Services In the role of RHEL / HP-UX / Solaris Administrator, you will be responsible for the administration, operation, maintenance, and continuous improvement of mission-critical Unix and Linux infrastructure environments. You will manage enterprise Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris platforms supporting business-critical applications, ensuring high availability, performance, security, compliance, and operational excellence.

You will own day-to-day platform administration, lifecycle management, patching, upgrades, incident resolution, performance tuning, automation initiatives, capacity planning, and disaster recovery readiness across production and non-production environments. You will work closely with application, database, storage, network, cloud, security, and service management teams in an ITIL-driven environment to deliver reliable and resilient infrastructure services.

Qualifications

Basic

- Bachelor's degree or foreign equivalent from an accredited institution.
- 10 to 16 years of progressive experience in Unix/Linux Infrastructure Administration.
- Minimum 10+ years of hands-on experience supporting enterprise RHEL, HP-UX, and Solaris environments.
- Experience working in large-scale, mission-critical production environments with 24x7 support models.
- Relevant certifications such as RHCSA/RHCE, Red Hat Certified Architect (RHCA), Oracle Solaris Certification, HP-UX certifications, or equivalent industry certifications are preferred.

Preferred

Enterprise Unix/Linux Administration

- Extensive hands-on experience administering RHEL 7/8/9, HP-UX 11i v3, and Solaris 10/11 environments.
- Expertise in OS lifecycle management including installations, upgrades, migrations, patching, hardening, and decommissioning activities.
- Deep understanding of kernel tuning, system internals, performance optimization, and enterprise-scale infrastructure management.
- Experience leading operating system upgrade and transformation initiatives across large server estates.

Infrastructure Operations & Technical Leadership

- Experience serving as Technical Lead or Subject Matter Expert (SME) for Unix/Linux platforms.
- Ability to lead Major Incident calls, Problem Management reviews, and Root Cause Analysis (RCA) discussions.
- Experience mentoring junior administrators and driving technical competency development within teams.




- Strong stakeholder management and customer-facing communication skills.

Storage, Clustering & High Availability

- Strong expertise in LVM, VxVM, ZFS, VxFS, XFS, ext4, UFS, and enterprise storage management.
- Experience administering SAN infrastructure, multipathing solutions, and storage provisioning activities.
- Hands-on experience with high availability and clustering solutions such as Serviceguard, Veritas Cluster Server (VCS), Solaris Cluster, Pacemaker, or equivalent technologies.
- Knowledge of disaster recovery planning, DR testing, and business continuity strategies.

Performance Engineering & Capacity Planning

- Advanced knowledge of system performance analysis and tuning across CPU, memory, storage, and networking layers.
- Experience conducting capacity reviews, infrastructure forecasting, and optimization initiatives.
- Ability to identify performance bottlenecks and implement proactive improvements.

Security, Compliance & Governance

- Robust understanding of security hardening standards and enterprise compliance frameworks.
- Experience supporting audit remediation activities and compliance requirements.
- Expertise in Identity & Access Management integration including LDAP, Active Directory, PAM, SSH, SUDO, and multi-factor authentication solutions.
- Experience implementing CIS benchmarks and vulnerability remediation programs.

Automation & Modernization

- Strong automation experience using Shell, Bash, Korn Shell, Python, Perl, and Ansible.
- Experience designing and implementing infrastructure automation frameworks.
- Exposure to DevOps methodologies, CI/CD pipelines, Infrastructure as Code (IaC), and configuration management practices.
- Experience driving operational efficiencies through automation and continuous improvement initiatives.

Monitoring & Service Management

- Experience with enterprise monitoring platforms and predictive infrastructure monitoring solutions.
- Strong understanding of ITIL-based Incident, Problem, Change, Configuration, and Release Management processes.
- Experience working in SLA/KPI-driven managed services environments.




- Familiarity with ServiceNow and enterprise ITSM tools.

Cloud, Virtualization & Container Platforms

- Experience supporting Linux workloads on AWS, Azure, OCI, or hybrid cloud environments.
- Exposure to VMware, OpenShift, Kubernetes, containers, and cloud-native infrastructure technologies.
- Understanding of infrastructure modernization and cloud migration strategies.

Nice to Have

- Experience with Red Hat Satellite, SUSE Manager, Spacewalk, Oracle Enterprise Manager (OEM), HP Systems Insight Manager, or similar enterprise management platforms.
- Hands-on experience supporting OpenShift, Kubernetes, Docker, and Containerized Linux environments.
- Exposure to Cloud platforms such as AWS, Microsoft Azure, Google Cloud Platform (GCP), or Oracle Cloud Infrastructure (OCI).
- Exposure to Infrastructure as Code (IaC) tools such as Terraform, Ansible Automation Platform, Puppet, or Chef.
- Experience administering Veritas Cluster Server (VCS), Serviceguard, Solaris Cluster, Pacemaker, Corosync, or RHCS.
- Exposure to virtualization platforms including VMware vSphere, KVM, Hyper-V, and Oracle VM.
- Experience performing Unix-to-Linux migrations, datacenter migrations, cloud transformation, or infrastructure modernization projects.
- Understanding of IT Operations Analytics (ITOA), AIOps, and predictive monitoring tools.
- Experience with server build automation, golden image creation, and standardized OS deployment frameworks.
- Knowledge of enterprise network concepts including Load Balancers, DNS, DHCP, Firewalls, Proxy Servers, and TCP/IP troubleshooting.
- Experience participating in audit reviews, compliance assessments, and security certification activities.
- Capability to drive Continuous Service Improvement (CSI) programs and operational excellence initiatives.
- Experience acting as an L3/L4 escalation point for critical incidents and complex infrastructure issues.
- Prior experience in customer-facing roles, solution discussions, technical governance meetings, and service reviews.
- Exposure to AI-driven operations, automation initiatives, and self-healing infrastructure frameworks.

The job entails sitting as well as working at a computer for extended periods of time. The role may require participation in rotational shifts, on-call duty, and incident-response engagement during critical platform events. Should be able to communicate by telephone, email or face to face.

About Us

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📌 Solaris Administrator (Chennai)
🏢 Trigent Software
📍 Chennai