
Senior Linux Systems Administrator
Remote · USFull-time$104–166K/yrPosted 1 day agoStill listed today
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
Peraton seeks a Senior Linux Systems Administrator for its Department of State CAEIO program, supporting servers, storage, networks, and hosted systems at domestic and overseas facilities. The role maintains Red Hat and Oracle Linux environments, automates system operations, troubleshoots issues, and provides Tier 3 support. It is fully remote for candidates residing in the Washington, DC, metropolitan area, with occasional onsite activities and possible increased office presence based on program needs.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
Responsibilities
Peraton is seeking a Senior Linux Systems Administrator (Linux Sys Admin) to join our team of qualified and diverse individuals on our Department of State (DOS) Bureau of Diplomatic Technology (DT) Consular Affairs Enterprise Infrastructure Operations (CAEIO) Program. CAEIO provides IT Operations and Maintenance to modernize the legacy networks, applications, and databases supporting consular applications services globally.
The Linux Sys Admin will be a member of the Infrastructure Support team, supporting CA servers, storage platforms, systems, networking equipment, and hosted systems in use at DOS domestic and overseas facilities. The team works closely with other program team members, contractors, DOS leadership and business stakeholders to monitor performance, address faults, ensure secure service delivery, and craft and implement solutions for operational issues and new requirements.
Location: This position is fully remote; however, candidates must reside in the Washington, DC, Metropolitan Area (DMV) to accommodate occasional onsite meetings, training, or customer support activities at the Washington, DC, customer location or the Peraton office in Sterling, VA. The number of days the Sys Admin works on-site in Washington, DC, or Sterling, VA, is subject to change based on government/program requirements (for example, surge support might require the individual to be in the office five days per week).
Core Work Hours: Monday - Friday 7:00 AM ET - 4:00 PM ET (Flexible with manager approval. The Linux Sys Admin can expect to work off-hours, including weekends, to support period surge requirements.)
Roles and Responsibilities:
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Leverage Red Hat and Oracle Linux experience to deliver measurable results in a fast-paced, professionally challenging environment.
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Assist in troubleshooting complex issues that cross many functional areas.
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Perform Linux Administration using AAP, Satellite, and Puppet to automate system builds, upgrades, patching, and hardening.
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Provide T3 level support for the Red Hat Enterprise and Oracle Linux environments.
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Deliver technical and user documentation as required.
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Provide off-hours support.
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Train junior team members on patching and other O&M related tasks.
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Comply with certification and accreditation requirements.
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Create and maintain SOPs.
Qualifications
Basic Qualifications:
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Bachelors degree and 8 years of experience or Masters degree and 6 years of experience or Associates degree and 10 years of experience or a High School diploma/equivalent and 12 years of experience.
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U.S. citizenship and an active SECRET Government Security Clearance.
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5 years of experience in a similar role within a large, multi-site production environment.
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Strong knowledge of RHEL and/or Oracle Linux.
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In-depth knowledge of and real-world experience in automation.
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Ability to quickly troubleshoot and mitigate issues.
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Proficiency with Ansible.
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Experience working with Security teams to translate common vulnerability and exposures (CVE) into actionable mitigation and remediation steps.
Desired Qualifications:
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Experience running databases on Linux (Oracle, MySQL, or PostgreSQL).
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Experience with any of the following: vCenter, VMWare vSphere, Apache HTTP Server.
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Hands-on experience working with Openshift 4.x – RBAC, AD/LDAP Integration, CI/CD, Certificates, SSL/TLS.
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Red Hat Certified Engineer; Red Hat Certified System Administrator.
Target Salary Range $104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Benefits Statement
Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
How this job compares
Set against the 2,410 open Systems Administrator jobs on Olive Jobs, counted November 13, 2026.
- Pay
- This posting$104–166K/yr
- Washington, D.C. median$106–162K/yr42 salary ranges
- US median$94–148K/yr1,537 salary ranges
This range's midpoint, $135K, is close to the Washington, D.C. median midpoint ($132K) — in the middle half of Systems Administrator salary ranges in Washington, D.C..
- Openings
- Olive Jobs lists 66 open Systems Administrator jobs in Washington, D.C. and 2,410 across the US. 5% of them nationwide are listed as remote or flexible.
- Hiring the most in Washington, D.C.
- General Dynamics Information Technology7 open
- Accenture3 open
- CGS Federal3 open
- Experience
- This posting asks for at least 5 years of experience; Systems Administrator postings that state a minimum ask for 5 years at the median (2,000 postings).
- Education
- 371 of the 2,410 open Systems Administrator jobs (15%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 13, 2026. Figures based on too few postings are left out.
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