Information System Security Officer

Leidos

Quick summary

Work type
On-site
Location
Gaithersburg, MD
Salary
$107,900–$195,050 / yr
Posted
5 days ago
Nearby
99+ roles within 25 mi

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $171k
This role $151k
$97k most similar roles pay here $211k

This role pays less than 63% of similar roles. Most pay $142,400–$199,250 — the shaded band above. At the midpoint, this role pays about $151k versus about $171k 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 237 open roles on FindRole.

Listed pay typically runs $106,600–$192,700 across 230 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Information System Security Officer

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The Information System Security Officer (ISSO) at Leidos Intel Sector’s National Solutions Business Area will manage authorizations and risks for information systems within the Analysis Sustainment portfolio. This role involves ensuring compliance with regulatory standards, conducting security assessments using frameworks like NIST and RMF, and mitigating risks through effective control implementation. The ISSO will work closely with system owners to test controls, provide training on secure practices, and coordinate vulnerability management activities across multiple classification domains using tools such as Nessus and Tenable-ACAS. Key responsibilities include developing risk mitigation strategies, maintaining security documentation in platforms like ServiceNow and XACTA-360, and driving process improvements through collaboration with cross-functional teams. The ideal candidate has a BS degree, 8 to 12 years of relevant experience, active TS/SCI clearance with polygraph, and familiarity with ICD-503 and NIST RMF. Preferred qualifications include CISSP or CISM certification and Intelligence Community experience.

Skills

XACTA XACTA-360 Nessus Tenable-ACAS HBSS ACAS SPLUNK ICD-503 RMF NIST CI/CD ServiceNow

What you'll do

  • Develops risk mitigation strategies to enhance project outcomes and meet regulatory compliance.
  • Manages security documentation updates for System Security Plans and POA&Ms using Leidos tools.
  • Coordinates with stakeholders to drive necessary security changes through control boards.
  • Implements secure software and hardware processes in line with government standards.
  • Conducts security audits, tracks vulnerabilities, and assists in remediation efforts.

What we're looking for

  • US citizenship and active TS-SCI clearance with Polygraph required.
  • BS degree and 8 to 12 years of relevant experience in information security.
  • Experience applying ICD-503 and NIST risk management framework.
  • Knowledge of XACTA, HBSS, ACAS, Nessus, and SPLUNK systems/tools.
  • Ability to develop and maintain security documentation per industry standards.

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