> Markdown version of [/jobs/ext/1833300-linux-system-admin](https://www.wearedevelopers.com/jobs/ext/1833300-linux-system-admin). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux System Admin - **Company:** RTX - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $95,500.0 - $181,700.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Domain Controllers, Antivirus Softwares, Backup Devices, Server Message Block, CompTIA Security+, Cyber Security, System Configuration, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, RAID, Domain Name System (DNS), VMware ESX Servers, Identity and Access Management, Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), Simple Mail Transfer Protocols, System Center Configuration Manager, NetBackup, Network File Systems, Samba (Software), Server Administration, VMware VSphere, Scripting, Data Storage Management, Data Storage Technologies, Sysadmin, Virtual Computing, Storage Technologies, Information Technology, Vcenter, Hardware Infrastructure, National Industrial Security Program Operating Manual (NISPOM), Network Server, Wsus, Vmware - **Published:** July 2, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9009489/linux-system-admin ## About the Role * Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, and troubleshooting * Integrated AD authentication (Kerberos, LDAP and/or Centrify). * Experience with SMTP, DHCP, DNS, NIS, LDAP, CIFS, NFS, Samba and *NIX system security. * Experience with infrastructure backup, restore, disaster recovery and business continuity products like Symantec NetBackup. * Experience with security infrastructure products and capabilities (e.g. Antivirus). * Experience gathering requirements, designing, and implementing appropriate solutions. * Experience with application installation and multi-server environment/deployment Experience with an IT incident/service request system. * Experience with HP server hardware support and diagnosis. * Experience with HP storage hardware support and diagnosis. Qualifications You Must Have: * Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience. * Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. * Experience supporting Linux operating systems. * Experience with Active Directory, VMware, Administration, backup and recovery. * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. Qualifications We Prefer: * Experience with VMware VSphere (ESXi, vCenter, etc). * Experience with Storage - HP MSA, RAID configuration. * Experience with Window Servers, Active Directory and Group Policy. * Experience with Network and infrastructure services such as domain controllers, global catalogs, DNS, and DHCP. * Experience with Infrastructure backup, restore, disaster recovery and business continuity. * Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF. * Experience with data storage, NAS, and SAN technologies and solutions. * Information Technology project lifecycle management processes. * Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods development. * Experience with Microsoft WSUS, MECM, and/or Exchange. * Scripting Experience. ## Description At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. Senior System Administrator, internally known as Senior Analyst, Information Workplace Services, collaborates with a diverse team to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. The candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux infrastructure for classified programs. In addition, this candidate will support numerous lab environments on workstations that interact or control STE (Special Test Equipment). Candidate must be experienced with, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [The best of two worlds - Bringing enterprise-grade Linux to the vehicle](https://www.wearedevelopers.com/videos/67-the-best-of-two-worlds-bringing-enterprise-grade-linux-to-the-vehicle) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)