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Job Details

Senior Information Systems Security Engineer


Systems Engineer


Alexandria, Virginia, United States


The Multi-Domain Solutions Division at Leidos currently has an opening for a Senior Information Systems Security Engineer (ISSE) to work in our Reston, VA or Alexandria, VA office. Ability to work in Northern Virginia is preferred. Candidate working from remote locations will also be considered. This position is contingent upon contract award.

Primary Responsibilities:

  • Provide program Cybersecurity leadership for Leidos’ ABMS DI Network Management Activities.

  • Help develop and maintain Risk Management Framework package for accreditation of the DI Network.

  • Provide Cyber Support for the DI Network Mission, Test, Training, and Planning Systems associated with the implementations and maintenance of the fielded systems.

  • Plan, conduct, and manage the DI Network using the DoD RMF in accordance with applicable documents, Government templates, and Common Control Packages developed by the ABMS Consortium.

  • Obtain and maintain ATOs, ATCs, and ISAs as necessary to sustain DI Network operations, training/exercises, and testing as required.

  • Maintain POA&Ms and progress tracking in accordance with applicable documents, Government templates, and Government timelines.

  • Interface with Air Force, Industry (including University Affiliated Research Centers (UARCs), Federally Funded Research and Development Centers (FFRDCs), Advisory and Assistance Services (A&AS)), and other performers to ensure ABMS DI network requirements and operational objectives are met.

  • Facilitate technical and programmatic information exchange in support of ABMS DI Network objectives.

  • Participate in Working Groups and IPTs, informal and formal technical interchanges, and formal reviews.

Basic Qualifications:

  • BS degree and 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience.

  • Demonstrated experience in cybersecurity management, including achieving and maintaining a system ATO via the RMF process.

  • Must achieve and maintain a DoD-Approved Baseline IAM Level III and/or IASAE III certification within 6 calendar months of assignment to the ABMS DI Network Manager in accordance with DoDD 8140 and DoD 8570.01-M.

  • 10 years of experience in security management of a Government network, with at least 5 of the 10 years associated with the security management of: (1) NIST FIPS-199 Moderate or High systems; or (2) National Security Systems as defined in NIST Special Publication (SP) 800-59.

  • Strong written and verbal communication skills to collaborate with customer representatives, domain experts, and other systems engineers in the development of complex systems.

  • Demonstrated ability to participate in cross-functional planning, coordination, and task execution involving the full spectrum of system integration activities.

  • Ability to work well with people from many different disciplines with varying degrees of technical experience.

  • Familiarity with security of Cloud and Edge Computing, Networks, Tactical Communications, Data Management, Systems Engineering, Cybersecurity, and C4ISR systems integration.

  • Demonstrated experience with Agile program execution and using agile tools (e.g. Jira and Confluence).

  • Must be U.S. Citizen.

Clearance Required:

  • Must possess a minimum of a Secret clearance with the ability to obtain a TS/SCI clearance.

Preferred Qualifications:

  • Prior experience working on JADC2 initiatives

  • MBSE -based security design.

  • Prior experience supporting Department of the Air Force programs.

  • Previous experience working on complex multi-domain systems including cross domain solutions.

  • Experience with large weapons systems and command and control platforms across the DoD portfolio.

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 $122,200.00 - $220,900.00

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.