
Sr. Linux Systems Administrator
Annapolis Junction, MDFull-time$176–282K/yrPosted 1w agoStill listed 2 days ago
Most applications go out cold — see where you stand first. No sign-up to start.
You apply on the employer's site, with no Olive account needed.
Watch jobs like this. New roles like this one near Annapolis Junction, MD, by email.
Don't just apply. Show up ready.
Olive works from this exact posting.
At a glance
Olive lists jobs from US employers, including remote roles you can work from the United States.
Requirements
Credentials this posting asks for.
Job overview
Peraton seeks a Senior Linux Systems Administrator to deploy, manage, patch, and monitor Linux systems supporting a national security program. The role includes software configuration, troubleshooting, IAVA patching, and system documentation. The posting highly desires Linux administration experience, AWS and networking knowledge, scripting ability, and customer support experience. Basic requirements include an active TS/SCI with current polygraph, DOD 8570 compliance, and a degree or qualifying experience substitution.
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
Job Description:
-
Linux systems deployment and management
-
Systems patching and upgrades
-
Software installation and configuration
-
IAVA patching and documentation creation and maintenance.
-
Monitoring and initial troubleshooting of Linux based systems.
-
Creating POA&M's as necessary
Highly Desired Skills:
-
Minimum of 6 years’ recent experience managing Linux based systems
-
Experience with AWS environment for managing VPC's, configuring and deploying virtual systems.
-
IAVAs STE/STN and system patching
-
Experience with Elastic Search functionality
-
Knowledge of Network Protocols
-
Experienced providing customer support
-
Understanding of fundamental networking and distributed computing environment concepts, Linux desktop systems, performance tuning and capacity planning of servers (hardware and software levels)
-
Ability to write Shell and Ansible or SALT scripts.
-
Write and maintain system technical documentation.
-
A self-starter who can work closely with the team but requires little oversight in completing requires SA tasks.
Qualifications
Basic Requirements:
-
Active TS/SCI with current Polygraph required
-
DOD 8570 compliance (such as Security+ cert)
-
Fifteen (15) years’ experience as a Systems Administrator
-
Bachelor’s degree in a technical discipline
-
5 additional years of experience as a system administrator may be substituted for a degree
Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.
Target Salary Range $176,000 - $282,000. 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 2,465 open Systems Administrator jobs on Olive Jobs, counted November 7, 2026.
- Pay
- This posting$176–282K/yr
- Maryland median$104–171K/yr128 salary ranges
- US median$95–150K/yr1,509 salary ranges
This range's midpoint, $229K, is 64% above the Maryland median midpoint ($139K) — in the top quarter of Systems Administrator salary ranges in Maryland.
- Openings
- Olive Jobs lists 175 open Systems Administrator jobs in Maryland and 2,465 across the US. 4% of them nationwide are listed as remote or flexible.
- Experience
- This posting asks for at least 15 years of experience — more than three in four Systems Administrator postings that state a minimum ask for (median 5 years, across 2,060 postings).
- Education
- 361 of the 2,465 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 7, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
Prepare for this role
You've read the whole posting — now see how you match it.



