Senior ISSE: Mission-Critical DoD Cyber Defense

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

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

401(k)

PTO

Job summary

Akima Data Management (ADM) seeks an ISSE to design, engineer, and validate cybersecurity capabilities across DoW OIG information systems. You will ensure secure architectures, RMF authorization, and continuous monitoring aligned with NIST, DoD, and FedRAMP.

The role operates from Alexandria, VA, supporting the Cybersecurity Division. You will collaborate with engineering, operations, leadership, and external stakeholders to safeguard mission-critical systems and data while enabling secure,

Qualifications

• Active TOP SECRET with SCI clearance (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.
• Vulnerability Management and Policy Writing Experience.
• 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 objectives, threat assessments, risk analyses, and applicable cybersecurity policies, standards, and frameworks.
• Design and implement secure system architectures, data flows, and engineering solutions aligned with NIST, DoD, FedRAMP, and Zero Trust principles.
• Develop security engineering artifacts, interface control documents, system security plans (SSPs), and technical documentation supporting RMF authorization and accreditation activities.
• Conduct security architecture reviews, threat modeling, vulnerability assessments, and security impact analyses for on-premises, cloud, and hybrid environments.
• Lead cloud vulnerability management efforts, including vulnerability scanning, assessment, prioritization, remediation tracking, and risk reporting across enterprise cloud platforms.
• Develop, review, and maintain cybersecurity policies, standards, procedures, and implementation guidance to ensure compliance with federal, DoD, and organizational requirements.
• Engineer and implement security controls, secure configurations, STIGs, SRGs, and baseline hardening requirements across systems, applications, cloud services, and networks.
• Perform technical control assessments, security testing, validation activities, and control effectiveness reviews to verify compliance and mitigate risk.
• Analyze security findings, recommend risk‑based mitigation strategies, and support POA&M development, remediation management, and closure activities.
• Integrate security requirements throughout the System Development Life Cycle (SDLC), ensuring secure coding, configuration management, and deployment practices.
• Conduct security assessments for system upgrades, patches, cloud migrations, integrations, and infrastructure changes to identify and mitigate potential risks.
• Design and support continuous monitoring capabilities, including automated vulnerability scanning, logging, alerting, and security analytics solutions.
• Provide technical support for incident response, forensic investigations, containment, eradication, and recovery operations.
• Assess emerging threats, vulnerabilities, cloud technologies, and adversary tactics to strengthen organizational security posture and resilience.
• Translate complex security engineering requirements into actionable guidance for system administrators, developers, architects, and operational teams.

Skills

NIST FISMA

RMF engineering

IAM Level III

Vulnerability management

Threat modeling

Security architecture

Security governance

Education

Bachelor’s degree

10+ years experience in lieu of degree

Job description

Akima Data Management (ADM) seeks an ISSE to design, engineer, and validate cybersecurity capabilities across DoW OIG information systems. You will ensure secure architectures, RMF authorization, and continuous monitoring aligned with NIST, DoD, and FedRAMP.

The role operates from Alexandria, VA, supporting the Cybersecurity Division. You will collaborate with engineering, operations, leadership, and external stakeholders to safeguard mission-critical systems and data while enabling secure,