Linux Systems Administrator

Technical Support / Help Desk
Top Secret/SCI with Poly


Annapolis Junction


Telecommute Options:

No remote/telework allowed
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Peraton Overview

Peraton 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 and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.


Peraton is seeking a Cyber Systems Administrator to support Cyber Mission in Annapolis Junction, MD.

  • The candidate will manage the Information Technology (IT) infrastructure within an organization, including the physical network, LANs, WANs, servers, terminals, as well as server applications and software in PeopleSoft or Oracle.
  • Configure, install, maintain and upgrade server applications and hardware.
  • Evaluate, test, recommend, coordinate, monitor and maintain information systems (IS) and cyber security policies, procedures and systems, including access management for hardware, firmware and software. E
  • nsure that IS and cyber security plans, controls, processes, standards, policies and procedures are aligned with IS standards and overall IS and cyber security.
  • Identify security risks and exposures, determine the causes of security violations and suggest procedures to halt future incidents and improve security.
  • Develop techniques and procedures for conducting IS and cyber security risk assessments and compliance audits, the evaluation and testing of hardware, firmware and software for possible impact on system security, and the investigation and resolution of security incidents such as intrusion, frauds, attacks or leaks. 
  • Configure and manage operating systems and install and load operating system software, troubleshoot, and configure network components along with implementing operating systems enhancements to improve reliability and performance.
  • Provide day to day operational support to client/server/storage/network devices.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization and perform system capacity analysis and planning

Basic Qualifications

  • BS degree with 5-7 years of experience. An additional 5 years of SA experience may be considered in lieu of degree.
  • Requires active IAT Level II certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND and/or SSCP)
  • 5+ yrs experience as an Systems Adminstrator (Tier 2 and Tier 3 support)
  • Linux system administration experience
  • Experience using Puppet software configuration management and deployment tool on Linux servers.
  • Apache Niagara Files Basics to include ability to navigate, configure dataflows, and use dataflow information with the NiFi User Interface.
  • Active TS SCI security clearance with a current polygraph is required

Peraton offers enhanced benefits to employees working on 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 participation in an attractive bonus plan.




Target Salary Range

$112,000 - $179,000. This represents the typical salary range for this position based on experience and other factors.
SCA / Union / Intern Rate or Range


An Equal Opportunity Employer including Disability/Veteran.

Our Values


At Peraton, our benefits are designed to help keep you at your best beyond the work you do with us daily. We’re fully committed to the growth of our employees. From fully comprehensive medical plans to tuition reimbursement, tuition assistance, and fertility treatment, we are there to support you all the way.

  • Paid Time-Off and Holidays
  • Retirement
  • Life & Disability Insurance
  • Career Development
  • Tuition Assistance and Student Loan Financing
  • Paid Parental Leave
  • Additional Benefits
  • Medical, Dental, & Vision Care
Happy man with his two children