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Job Details

Information Systems Security Engineer


Systems Engineer


Fort Belvoir, Virginia, United States


Unleash Your Potential
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.

If this sounds like an environment where you can thrive, keep reading!

The Leidos Digital Modernization sector is seeking an Information Systems Security Engineer in support of the Defense Threat Reduction Agency (DTRA) at Fort Belvoir, Virginia.

The ISSO will have a proven track record in providing holistic solutions for our customers. Candidate should have at least 4+ years Systems Engineering, including software installation and integration experience, server and workstation hardening, via DISA STIGs, ACAS experience detecting vulnerabilities and coordination of patching with customers and the team. Selected candidate will be assisting a small team of Systems Engineers supporting our customers’ requirements and running Production and Development systems. Candidate should possess some experience administering Linux and Windows operating systems and virtualization technologies (ex: VMWare). Candidate will be responsible for the management and enforcement of all security policies and processes related to the systems.

The seceted candidate will work with a team of system engineers as well as a number of agency Information Assurance engineers. Should be able to communicate clearly, verbally and in writing, to supporting agency cybersecurity teams as well as the team itself, including the government representative. There will be daily interaction with the team, customers and our Government representatives.

Your greatest work is ahead!

The Mission
Leidos Digital Modernization sector delivers secure, mission-focused solutions at scale to accelerate our customer’s digital transformation objectives. We do so by providing resilient enterprise IT solutions and managed services that leverage trusted AI and full-spectrum cyber to increase efficiencies, decrease burdens, and minimize vulnerabilities in complex IT operations.

To explore and learn more, click here!

Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!

The Challenge:

  • Manage coordination with team on vulnerability scans across multiple enclaves and classifications levels. Perform scans and analyze results, presenting findings to team as necessary, either on a daily basis, no less than weekly. Perform testing and installation of patches on all assets as necessary to bring vulnerability scans into compliancy.

  • Manage applications within SCCM/MECM for both unclassified and classified enclaves, to include scanning software for vulnerabilities when submitted by customer, creating and testing packages, deploying in Production and updating all necessary IA documentation. Generate necessary IA compliancy reports on new software on a monthly basis in preparation for presentation to government.

  • Manage team's effort in completing DISA STIG checklists as they are released, including conversion of checklists to new versions, working with teams to apply all changes as necessary, answer any technical questions that may arise, plan and schedule ERB/CCB meeting and review implementation and documentation of solutions. Create Plan of Action and Milestones (POAMs) based on results.

  • Perform daily system monitoring, cyber task order compliancy, review system and application logs, and overall system security health. Report on any issues found to government and Task Order management.

  • Present solutions to greater technical problems to Task Order leadership. Solutions should show an understanding of not only the technical issues but also financial requirements (i.e. licenses)

  • Develop and maintain standard documentation such as security policies, work instructions, standard operating procedures and processes.

What Sets You Apart:

  • Bachelor's degree and 4+ years of prior relevant experience additional years of related work experience will be accepted in lieu of degree.

  • Secret Clearance required, TS preferred

  • Current, unexpired, Comptia Security+CE (or equivalent) – will be verified before hiring

  • Experience with SCCM and ACAS

  • Experience with security documentation (including POAMs and STIG checklists)

You Might Also Have:

  • Experience with ESS.

  • Windows Server administration.

  • Experience using JIRA for ticket and project tracking.

  • Hands-on experience with software approval process, including COTS and GOTS products.

Original Posting Date:


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 $81,250.00 - $146,875.00

The Leidos pay range for this job level is a general guideline only and 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.