**Description** **SAIC** is seeking a **UNIX Administrator** with hands-on experience in Cohesity backup and recovery solutions to join our team. 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. Key Responsibilities: + 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). + 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. + 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. + 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. **Qualifications** Required: + BS and 5+ years of hands-on UNIX/Linux system administration experience.( 4 years experience in lieu of degree). + Ability to obtain and maintain a public trust requiring U.S. Citizenship. + 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. Desired: + 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. Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2512318 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability