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Linux System Administrator

ExecutivePlacements.com
San Diego, CA Full Time
POSTED ON 11/28/2025 CLOSED ON 12/24/2025

What are the responsibilities and job description for the Linux System Administrator position at ExecutivePlacements.com?

Zachary Piper Solutionsis seeking an Linux System Admin to support a large-scale defense contract located in San Diego, CA through100% on site presence. TheLinux System Admin will build, configure, and maintain Linux servers and storage in a high-availability enterprise environment, implement security hardening, manage backups, and collaborate across teams to ensure reliability and data center operations.

Responsibilities Of TheLinux System Admininclude

  • Build, configure, administer, and troubleshoot Linux servers and user workstations in a large enterprise environment
  • Manage storage and backup solutions (including NetApp mounting and NetBackup) to ensure data center reliability and availability
  • Implement security hardening and compliance for classified systems following ICD-503 and other standards
  • Design and maintain workgroup-scale networks and authentication services LDAP, Active Directory) for cross-platform environments
  • Develop and maintain automation scripts (Ansible, Shell, PowerCLI) for deployment and system management
  • Collaborate across teams to support infrastructure scalability, performance monitoring, and proactive system improvements

Qualifications Of The Linux System Admin Include

  • 5 years of Linux administration experience, especially with Red Hat Enterprise Linux
  • Storage and backup expertise (NetApp monitoring, NetBackup or similar tools)
  • Scripting and automation skills - Ansible preferred, Shell, Perl, PowerCLI, PowerShell
  • Active Top Secret clearance
  • Virtualization experience with VMware VSXi, cloud familiarity is a plus
  • Security compliance knowledge (ICD-503, RMF) and ability to obtain a Security (IAT II) within 6 months of hire

Compensation For The Linux System Admin Includes

  • Salary Range:$125,000-150,000 **depending on experience**
  • Benefits: Medical, Dental, Vision, 401k Plan, Holidays, PTO, sick leave as required by law

Keywords: Linux, System Administration, Sys Admin, SysAdmin, Linux System Administration, defense, San Diego, CA, California, onsite, on-site, build, configure, maintain, server, storage, servers, high-availability, high availability, HA, enterprise environment, security hardening, security, harden, manage backups, backup, collaborate, reliability, data center operations, data center, troubleshoot, user workstation, storage, NetApp, mounting, NetBackup, data center reliability, data center availability, reliability, availability, compliance, classified, classified systems, ICD-503, ICD, Intelligence Community Directive, Intelligence Community, IC, IC Community, workgroup, workgroup-scale, LDAP, Lightweight Directory Access Protocol, Active Directory, AD, centralized authentication, directory services, single sign-on, single sign on, SSO, cross-platform authentication, Windows, cross-platform, automation, script, scripting, Ansible, Shell, PowerCLI, Power CLI, deploy, deployment, infrastructure scalability, performance monitoring, system improvements, proactive, Red Hat, Red Hat Enterprise Linux, RHEL, NetApp monitoring, Dell EMC PowerStore, Unity, HPE 3PAR, Nimble Storage, IBM Storage, FlashSystem, Pure Storage, Commvault, Veeam Backup, Replication, Rubrik, Dell EMD NetWorker, NetWorker, Arcserve, Perl, Vmware, VSXi, cloud, virtualization, TS, top secret, topsecret, top secret clearance, tssci, ts/sci, ts sci, Ts with sci, ts w/ sci, ts w sci, tswithsci, top secret with sci, sec , sec , s , security , security , sec plus, secplus, securityplus, security plus, CompTIA Sec , Comptiasecurity, cysa , cysa , cysa plus, cysa plus, cybersecurity , cybersecurity , cyber security , cyber security plus, iat2, iatii, iattwo, iat ii, iat two, iat 2, iat too, iat level ii, iat levelii, iat level 2, iat level two

Salary : $125,000 - $150,000

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