Senior ISSO: Protect Critical National Systems

Leidos; Annapolis (MD); On-site; USD 131,000 - 237,000; Full time

Benefits offered by this job

PTO 4+ weeks

11 holidays

401K with 6% match

Flexible schedules

Discounted stock purchase

Job summary

Leidos is seeking a Senior Information Systems Security Officer (ISSO) for a multi‑year program supporting a national security mission at Annapolis Junction, MD. The role emphasizes maintaining secure, compliant information systems through RMF, DoD policies, and robust authorization processes.

The candidate will lead information assurance efforts, supervise security operations, and develop essential security documentation while collaborating with stakeholders to strengthen the program's security

Qualifications

• Bachelor degree plus 12+ years of relevant experience; 4 years may be substituted for education.
• 7+ years ISSO experience supporting IC or DoD programs.
• DoD 8570 IAM Level II or IAT Level III (CASP/CISSP) certifications.

Responsibilities

• Enhance security posture by enforcing policies, standards, and methodologies.
• Oversee security operations for information systems and conduct risk assessments.
• Manage configuration and system integrity including CM for security software and firmware.
• Develop and maintain security documentation (SSPs, risk reports, C&A packages, SRTMs).
• Ensure RMF and DoD risk management compliance for authorizations.
• Provide technical security expertise and collaborate with stakeholders.
• Identify vulnerabilities and drive continuous improvement of security processes.

Skills

Security policy

Vulnerability assessment

Information assurance

Education

Bachelor of Science in Computer Science or related

Tools

InfoSec tool suite

Job description

Leidos is seeking a Senior Information Systems Security Officer (ISSO) for a multi‑year program supporting a national security mission at Annapolis Junction, MD. The role emphasizes maintaining secure, compliant information systems through RMF, DoD policies, and robust authorization processes.

The candidate will lead information assurance efforts, supervise security operations, and develop essential security documentation while collaborating with stakeholders to strengthen the program's security