Systems Administrator

Peraton

Linthicum, MD, United States$104,000 - $166,000Full-timePosted 17 days ago

Get more Systems Administrator openings

A short daily email when similar roles appear in Linthicum. No account needed.

Responsibilities

Peraton is seeking a Systems Administrator in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. This position offers a unique opportunity to work at the forefront of cyber investigations, digital forensics, cyber threat analysis, and mission support in a dynamic and collaborative environment. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges. Individuals who are passionate about cybersecurity, committed to excellence, and eager to make a meaningful impact are encouraged to apply.

 

Maintains smooth operation of multi-user computer systems, including coordination with network engineers. Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. Performs systems security administration functions, including creating user profiles and accounts. Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space. Interacts with users and evaluates vendor products. Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery. Develops and monitors policies and standards for allocation related to the use of computing resources. Ability to implement, maintain, and manage physical and virtual systems and upgrades. May assign responsibilities for less experienced staff. Manage and maintain hardware and back-end software to support end users. Support multiple centralized anti-virus and patch management systems. All other duties as assigned.

 

Location: Fully onsite requirement in the Baltimore metropolitan area

Qualifications

Required Experience:

  • Experience building and deploying physical and virtual servers.
  • Active Directory Domain and Forest Design, Implementation, and Management.
  • Strong familiarity with Group Policy Objects (GPOs).
  • User and group management.
  • PowerShell Scripting and Windows domain services.
  • DoD security hardening (STIG/SCAP).
  • DNS configuration and troubleshooting.
  • Familiarity with Network Security Principles (Firewalls, Intrusion Detection/Prevention).
  • A strong understanding of VMWare with the ability to install, configure, manage, and troubleshoot.
  • A strong understanding of Omnissa Horizon with the ability to configure, deploy and troubleshoot.
  • Familiarity with Storage Area Networks (SANs), Network Attached Storage (NAS), RAID configurations and file system management.
  • Familiarity with backup technologies.
  • Familiarity with ACAS, Splunk, and SolarWinds.

Required Qualifications:

  • Education: Bachelor’s degree and 5+ years of experience; OR Master’s Degree and 3+ years of experience; OR 0 years with PhD. A degree in one of the following fields is highly desired: Information Technology, Computer Science, Software Engineering, Data Science, Information Systems, or Cybersecurity. However, four (4) years of additional relevant experience or specialized training may be considered in lieu of a Bachelor’s degree.
  • Certifications: Active CompTIA Security+ certification.
  • Clearance: Active TS clearance, SCI eligible.

Desired Certifications:

  • CASP+
  • CCNP Security
  • CCSP
  • FITSP-O
  • GFACT

Desired Qualifications:

  • Master’s degree in one of the following fields: Information Technology, Computer Science, Software Engineering, Data Science, Information Systems, or Cybersecurity.
  • CI/CD automation (Ansible/Teraform).
  • Cloud services (Azure/AWS)
    • Disaster recovery planning and execution
    • Gitlab
    • Trellix

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.

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.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

The average job posting receives 250 applications.

Stand out by tailoring your resume to this specific role. Our AI resume builder highlights the skills and experience that matter most to this employer.

Frequently asked questions

Who is hiring for Systems Administrator at Peraton?+
Peraton is actively hiring for this Systems Administrator role. Click "Apply Now" to submit your application directly on Peraton's careers page — Careeronaut doesn't charge employers or candidates for referrals.
When was this Systems Administrator role posted?+
This listing was first posted on 2026-07-22. We pull the latest copy from the source feed daily, and any role that's taken down gets removed from Careeronaut within seven days so you don't waste time on stale listings.
How should I apply to this Systems Administrator role?+
Start by tailoring your resume to the posting — most applicants send generic CVs and the first filter recruiters use is keyword relevance. Careeronaut's AI does this automatically: paste the job description, get a matched resume in under a minute, and download as PDF or DOCX.
Where can I find more Systems Administrator jobs in Linthicum?+
Browse all open systems administrator roles in Linthicum on the listing pages linked below. You can filter by salary, remote-friendly, and posting date.