Cyber Security Systems Engineer

Leidos


Job Location:

Alexandria, VA - USA

Monthly Salary: $ 107900 - 195050
Posted on: 7 hours ago
Vacancies: 1 Vacancy

Job Summary

The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Cyber Security Systems Engineer. Our mission is to develop tools for the United States Department of Defense test and training communities to increase the speed of the development cycle to get capabilities to the warfighter more rapidly. The Cyber Security Systems Engineer will work within a team of engineers developers and system administrators adding new capabilities to our enclaves as well as ensuring the existing systems are secure and performing as intended.

This position is required to work on-site in our Alexandria VA office.

Primary Responsibilities:

  • Coordinate with Cybersecurity personnel to conduct and review technical cybersecurity assessments.
  • Perform and maintain vulnerability scans and create reports.
  • Perform review and analysis of cybersecurity event logs.
  • Identify points of vulnerability and non-compliance with established cybersecurity standards and regulations.
  • Collaborate with our DevSecOps team.
  • Maintain Authorization to Operate (ATO) records.
  • Manage and report Plan of Actions and Milestones (POA&M) compliance.
  • Review certification and accreditation (C&A) documentation.
  • Perform system installation configuration maintenance account maintenance signature maintenance patch management and troubleshooting of operational systems.
  • Apply system security engineering expertise.

Basic Qualifications:

  • US Citizen with at least an active DoD Secret clearance.
  • Bachelors degree with 8 years of experience or a Masters degree with 6 years of experience. Additional experience may be considered in lieu of a degree.
  • At least one IAT Level 1 or 2 certification.
  • Experience developing and reviewing security systems security plans security risk assessments contingency plans or configuration management plans.
  • Experience configuring running and analyzing vulnerability scans.
  • Experience with incident response plans plan of actions and milestones risk management plans and vulnerability management plans.
  • Strong analytical communication problem solving and interpersonal skills.
  • Experience establishing a System Security Engineering (SSE) management process to integrate security and privacy controls into complex hardware and software systems.
  • DoD Trellix system (ePo administration) on Linux systems.
  • DoD ACAS/Tenable-Nessus System.
  • Experience with STIGs on both Linux Windows and other network equipment.
  • Familiar with IAVMs and vulnerability mitigation.

Preferred Qualifications:

  • 4 years DoD Trellix system user/admin experience (ePo administration) with Linux systems.
  • Experience of having installed and managed Tenable-Nessus Systems.
  • 5 years of experience with applying and monitoring STIGs on both Linux Windows and other network equipment.
  • Familiar with IAVMs and vulnerability mitigation processes and procedures working with/in a DoD organization.

DABAOPP1

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

July 1 2026

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107900.00 - $195050.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.


Required Experience:

IC

The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Cyber Security Systems Engineer. Our mission is to develop tools for the United States Department of Defense test and training communities to increase the speed of the development cycle to get capabilities to th...

About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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