ISSO - On-Site Cybersecurity for National Security

Leidos LLC

Maryland

On-site

USD 131,000 - 237,000

Full time

5 days ago
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Job summary

Leidos LLC is seeking an Information Systems Security Officer (ISSO) to support critical national-security missions in a secure on-site environment. You will help maintain the security posture, support accreditation activities, and collaborate with ISSMs, system administrators, and mission teams.

The role requires a Bachelor's degree or 15 years of ISSO experience, TS/SCI with Polygraph, and full-time on-site work.

Qualifications

  • Bachelor’s degree in Computer Science or related discipline or 4 years of ISSO experience in lieu of degree.
  • 15 years of ISSO experience on programs/contracts of similar scope and complexity.
  • Experience in at least two areas: security tools, encryption, IAM, or DoD 8570 IAM Level I or higher.
  • Experience with information-system security policies, standards, and day-to-day operations.
  • Active TS/SCI clearance with Polygraph; on-site work required.

Responsibilities

  • Maintain operational security posture of information systems and programs.
  • Support security policies, standards, and methodologies implementation.
  • Coordinate IT security programs and develop system security policies.
  • Assist ISSM in maintaining appropriate IA posture for systems and enclaves.
  • Support security authorization, certification, and accreditation activities.

Skills

ISSO experience
Information Security
NIST RMF knowledge
Vulnerability assessment
Policy development

Education

Bachelor’s degree in Computer Science or related discipline

Tools

ServiceNow
C&A documentation tools

Job description

Leidos LLC is seeking an Information Systems Security Officer (ISSO) to support critical national-security missions in a secure on-site environment. You will help maintain the security posture, support accreditation activities, and collaborate with ISSMs, system administrators, and mission teams.

The role requires a Bachelor's degree or 15 years of ISSO experience, TS/SCI with Polygraph, and full-time on-site work.

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