ISSO: DoD/IC Security Ops | TS/SCI w/ Poly | Sign-On Bonus

Leidos; Corridor North (MD); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off 4+ weeks

11 paid holidays

401K with company match

Flexible schedules

Education & training support

Parental leave

Job summary

Leidos is seeking an Information Systems Security Officer (ISSO) to secure large-scale collection systems at a program in Annapolis Junction, MD. The role emphasizes information assurance, compliance with DoD RMF, and close collaboration with stakeholders to strengthen the security posture.

The candidate will develop and maintain security documentation, oversee operations, and drive continuous improvement while supporting a multi-year mission-critical contract serving national security needs.

Qualifications

• ISSO experience in IC or DoD programs of similar scope
• Bachelor's degree or equivalent with 7+ years experience
• DoD 8570 IAM Level II / IAT Level III certification required
• Active TS/SCI with Polygraph clearance required

Responsibilities

• Enhance security posture by IA initiatives and enforcing policies
• Oversee security operations for information systems and risk assessments
• Manage CM for security software, hardware, firmware and controls
• Develop and maintain SSPs, risk assessments, C&A packages, and SRTMs
• Ensure compliance with RMF and DoD processes
• Provide security policy expertise and stakeholder collaboration
• Drive continuous security improvements and vulnerability remediation

Skills

ISSO experience (4+ years)

Info security tool suite experience

Security policy/compliance knowledge

Clearance: TS/SCI with Polygraph

Education

Bachelor's degree in Computer Science / Information Assurance / Information Security

DoD 8570 IAM Level II or IAT Level III certification

Tools

Customer Info Security tool suite

Job description

Leidos is seeking an Information Systems Security Officer (ISSO) to secure large-scale collection systems at a program in Annapolis Junction, MD. The role emphasizes information assurance, compliance with DoD RMF, and close collaboration with stakeholders to strengthen the security posture.

The candidate will develop and maintain security documentation, oversee operations, and drive continuous improvement while supporting a multi-year mission-critical contract serving national security needs.