SR Computer Scientist - Information System Security Engineer (ISSE)

Senior Computer Scientist (ISSE) will serve as a primary cybersecurity authority for UMM tools and CI/HUMINT data-management systems across the system lifecycle.

Responsibilities

• Ensure UMM tools and data-management systems meet DIA security requirements and applicable federal security standards.
• Embed and integrate security controls into software design, development, deployment, and sustainment activities.
• Perform security assessments, risk analyses, vulnerability assessments, and continuous compliance monitoring.
• Support Authority to Operate (ATO) efforts, including security documentation and coordination for certification/accreditation.
• Implement security controls aligned with NIST and DoD standards and applicable DIA frameworks.
• Define and coordinate security requirements for cross-domain data transfers with Service and Combatant Command tool administrators.
• Support secure data-sharing and system access requirements.
• Coordinate with the DIA CIO on security certification, accreditation, and security-update activities.
• Advise the Technology Project Manager on security requirements and support Software Engineers with secure coding practices.
• Ensure foreign-disclosure requirements and controls are incorporated into system designs and data-sharing processes.
• Maintain security controls and standards during system sustainment, including revisions to data-transfer security requirements.

Requirements

• Extensive experience with Risk Management Framework (RMF) and ATO processes.
• Demonstrated expertise implementing security controls, conducting risk assessments, and performing vulnerability assessments.
• Knowledge of NIST, DoD, DIA, and Intelligence Community cybersecurity frameworks and policies.
• Experience securing intelligence systems, software applications, and data-management environments.
• Knowledge of cross-domain security architectures, system access controls, and secure data-sharing practices.
• Ability to collaborate across technical and operational teams; translate security requirements into implementable controls; balance security with mission needs.
• Strong analytical skills, attention to detail, and current awareness of evolving cyber threats and security technologies.

Technologies

• Risk Management Framework (RMF)
• ATO
• NIST
• DoD
• DIA
• Intelligence Community cybersecurity frameworks and policies
• CI/HUMINT
• CISSP
• CAP
• CISM

Position details

• Level: Senior (one base full-time equivalent)
• Location: On-site in Reston, VA
• Schedule: 40-hour workweek; schedules subject to mission requirements

Preferred qualifications

• Relevant cybersecurity certification such as CISSP, CAP, or CISM.
• Experience supporting CI/HUMINT systems, secure software development, and cross-domain data-transfer solutions.
• Experience with DIA security certification and accreditation processes.

Additional details

• Travel: May include CONUS/OCONUS travel for training and partner engagements.
• Work environment: On-site in a secure facility; instruction and coordination conducted in classified environments.

Security note

• Applicants must be U.S. citizens and eligible to obtain and maintain a U.S. government security clearance.

Benefits

• Medical, dental, and vision coverage
• Paid time off (PTO) and holidays
• 401(k) retirement plan options
• Professional development and training opportunities