The ideal candidate will have strong UNIX/Linux administration expertise, solid troubleshooting capabilities, and a background in supporting enterprise backup environments using Cohesity and Veritas. This role is responsible for ensuring system stability, reliability, performance, and data protection across our UNIX estate.
Key Responsibilities
UNIX/Linux Administration
- Manage, configure, and maintain UNIX/Linux systems (RHEL, CentOS, Ubuntu, AIX, or Solaris depending on environment).
- Perform routine OS patching, kernel upgrades, system tuning, and security hardening.
- Monitor system performance and troubleshoot OS-level issues across compute environments.
- Manage user accounts, file systems, NFS, packages, permissions, and system services.
- Support shell scripting for automation and maintenance tasks (Bash, KSH, Python optional).
Cohesity Backup & Recovery
- Administer and support Cohesity DataProtect clusters for enterprise backup operations.
- Configure protection jobs, policies, storage domains, and replication workflows.
- Monitor backup performance, job failures, capacity usage, and SLA compliance.
- Perform restores for files, VMs, databases, and workloads per business requests.
- Troubleshoot backup/restore issues and coordinate with vendors for escalation.
- Maintain documentation for backup processes, runbooks, and configuration baselines.
Operational Support
- Provide second- and third-level support for UNIX/Linux and Cohesity platforms.
- Collaborate with application teams, database teams, and storage/VMware admins for cross-functional support.
- Participate in on-call rotation for critical system and backup incidents.
- Maintain configuration management standards and adhere to IT security policies.
- Assist in planning and executing disaster recovery (DR) tests leveraging Cohesity.
Automation & Continuous Improvement
- Develop automation scripts to streamline system maintenance and backup workflows.
- Identify gaps in resiliency, monitoring, and performance tuning and recommend improvements.
- Support migration projects, OS upgrades, Cohesity expansion, and infrastructure modernization efforts.
Required Qualifications
- 5+ years of hands-on UNIX/Linux system administration experience.
- Practical experience with Cohesity DataProtect in an enterprise environment.
- Strong understanding of backup concepts (snapshots, replication, retention, RPO/RTO).
- Experience with system monitoring tools (SCOM, ITOM, etc.).
- Solid troubleshooting skills for OS, hardware, storage, and backup issues.
- Familiarity with virtualization (VMware ESXi) preferred.
- Strong scripting skills in Bash, Shell, or Python.
- Ability to work in a fast-paced environment and support production systems.
Preferred Qualifications
- Experience administering storage solutions (NetApp, Dell EMC, Pure Storage, etc.).
- Knowledge of cloud-based backup integrations (Azure).
- Familiarity with ITIL processes (Incident, Change, Problem Management).
- Experience with automation tools Azure Devops is a plus.
- Certifications such as RHCSA/RHCE, Cohesity Certified Administrator (CCA) are desirable.
Soft Skills
- Strong communication and documentation skills.
- Ability to collaborate with cross-functional teams.
- Proactive mindset with strong attention to detail.
- Excellent problem-solving and analytical abilities.
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