Senior ISSE: Cybersecurity Architect for DoD/OIG Systems

Akima; Alexandria (VA); On-site; USD 180,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k)

Paid PTO

Job summary

Akima Data Management (ADM) seeks an Information System Security Engineer (ISSE) to design, engineer, and validate cybersecurity capabilities for DoW OIG information systems. The ISSE will ensure secure, resilient operations across the enterprise and integrate security engineering across the full system lifecycle.

The role is based on-site in Alexandria, VA, supporting the Cybersecurity Division, with responsibilities spanning requirements, architecture, RMF, vulnerability assessments, and

Qualifications

• Active TOP SECRET with SCI clearance is required.
• Bachelor’s degree and 5–10 years of relevant experience, or 10+ years in lieu of a degree.
• IAM Level III certification (e.g., CGRC, CASP+ CE, CISSP, CISM) required; IAT Level III preferred.
• Strong understanding of NIST, FISMA, DoD, and organizational cybersecurity engineering frameworks.
• Experience with security architecture, RMF engineering activities, and secure system design.
• Strong communication, analytical, and documentation skills.

Responsibilities

• Define, refine, and validate security requirements based on mission needs and threat models.
• Develop secure architectures, data flows, and design patterns aligned with NIST, DoD, and Zero Trust principles.
• Produce security design artifacts, interface control documents, and engineering analyses supporting RMF and system accreditation.
• Conduct vulnerability analyses, threat modeling, and security impact assessments for new capabilities and system changes.
• Guide implementation of STIGs, SRGs, and secure baselines across platforms, applications, and networks.
• Perform technical control assessments, functional testing, and verification of implemented safeguards.
• Analyze findings, recommend mitigations, and support POA&M development and closure.
• Ensure secure coding, configuration, and deployment practices across the lifecycle.

Skills

Security clearances

Security engineering

RMF engineering

NIST/FISMA knowledge

Communication skills

Education

Bachelor’s degree or higher

Tools

CISSP/CISM

CGRC/CASP+

IAT III certification

Job description

Akima Data Management (ADM) seeks an Information System Security Engineer (ISSE) to design, engineer, and validate cybersecurity capabilities for DoW OIG information systems. The ISSE will ensure secure, resilient operations across the enterprise and integrate security engineering across the full system lifecycle.

The role is based on-site in Alexandria, VA, supporting the Cybersecurity Division, with responsibilities spanning requirements, architecture, RMF, vulnerability assessments, and