Information System Security Officer

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Lorton, VAOklahoma City, OK
Salary
$87,100–$157,450 / yr
Posted
31 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $156k
This role $122k
$74k most similar roles pay here $208k

This role pays less than 79% of similar roles. Most pay $126,250–$185,262 — the shaded band above. At the midpoint, this role pays about $122k versus about $156k for comparable roles.

Based on 239 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

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View all roles at Leidos

At a glance

TL;DR · Information System Security Officer

Information System Security Officer (ISSO) The Information System Security Officer (ISSO) supports a fast-paced program within the Defense Sector to ensure mission success through robust IT and support services. This role focuses on overseeing the cybersecurity posture of DoD information systems, ensuring compliance with federal standards like NIST, RMF, FISMA, and JSIG. The daily responsibilities include developing security policies, performing risk and vulnerability assessments, managing system accreditations, and executing continuous monitoring for both classified and unclassified data. You will collaborate with cross-functional teams to enforce security controls and maintain critical documentation such as System Security Plans and Plan of Actions & Milestones. Key technical requirements include experience with cloud computing, network security tools like firewalls and SIEM, and proficiency in system security engineering. The role addresses the challenge of protecting sensitive data while maintaining high availability for mission-critical systems.

What you'll do

  • Develop and maintain security policies, procedures, and documentation to ensure compliance with DoD standards like NIST and RMF.
  • Oversee the cybersecurity posture of DoD information systems to protect data confidentiality, integrity, and availability.
  • Perform risk assessments, vulnerability assessments, and security audits to identify and remediate system vulnerabilities.
  • Manage and conduct continuous monitoring of security controls for both classified and unclassified data.
  • Lead the accreditation process for DoD systems to ensure ongoing compliance with RMF requirements.
  • Act as the primary point of contact for security issues, incident response, and reporting to government customers.
  • Maintain critical security documentation including System Security Plans (SSPs) and Plans of Action & Milestones (POA&Ms).
  • Provide security training and awareness programs for personnel operating DoD systems.

What we're looking for

  • US Citizen with an active Top Secret clearance and the ability to obtain an SCI.
  • Bachelor’s degree with 4+ years of experience or a Master’s degree with 2+ years of experience.
  • In-depth knowledge of DoD cybersecurity policies, frameworks, and compliance standards including NIST, RMF, FISMA, and JSIG.
  • Experience with cloud computing and building/maintaining an ATO for cloud-based information systems.
  • Must have a DoD 8140 Intermediate certification such as Security+ or Cloud+.
  • Experience in system security engineering, risk management, and vulnerability assessments.
  • Proficiency with network security tools including firewalls, IDS/IPS, SIEM, and endpoint protection.
  • Advanced DoD 8140 certifications (e.g., CISSP, CISM) or cloud security certifications are preferred.

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