Information System Security Officer, Classified Systems

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Huntsville, AL
Salary
$69,550–$125,725 / yr
Employment
Full-time
Posted
4 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $146k
This role $98k
$57k $191k
below market most similar roles pay here above market

This role pays less than 92% of similar roles. Most pay $114,225–$177,750 — the blue band above. At the midpoint, this role pays about $98k versus about $146k for comparable roles.

Based on 240 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 432 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 349 roles with salary data.

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At a glance

TL;DR · Information System Security Officer, Classified Systems

JOB TITLE: Information System Security Officer - Classified Systems The Information System Security Officer - Classified Systems joins the Corporate Information Security Office within the Digital sector to support classified information systems. This role focuses on day-to-day cybersecurity compliance and continuous monitoring within a DCSA regulated environment. The individual will maintain system authorizations, perform technical security assessments, and manage vulnerability scanning, system hardening, and configuration management. Key responsibilities include developing authorization artifacts for the Risk Management Framework lifecycle, reviewing audit logs, and supporting incident response activities. Required skills include proficiency with Windows and Linux operating systems, NIST SP 800-53 Rev 5, DISA STIGs, and SCAP. The role involves collaborating with engineers and system administrators to resolve security issues and ensure continued compliance with government cybersecurity requirements for classified computing environments.

What you'll do

  • Perform security monitoring and compliance reviews of classified information systems to identify and report deficiencies.
  • Support the RMF lifecycle by developing and maintaining authorization artifacts and objective evidence within the Body of Evidence.
  • Implement and continuously monitor security controls in accordance with approved system security plans and procedures.
  • Conduct technical security assessments including STIG, SCAP, vulnerability scanning, and system configuration reviews.
  • Document security findings and collaborate with engineering teams to support remediation and validation activities.
  • Review configuration management requests for hardware, software, and security-relevant changes to ensure proper documentation.
  • Analyze security-relevant audit information and system logs using operating system and SIEM tools.
  • Support cybersecurity incident response activities including investigation, evidence preservation, containment, and reporting.

What we're looking for

  • Must currently hold an active Secret clearance and be able to obtain a Top Secret clearance following hire.
  • Bachelor’s degree with 2+ years of relevant cybersecurity, information technology, information assurance, or information systems security experience.
  • Must possess one or more industry certifications aligned with the DoD 8140/DoD Cyber Workforce Framework (DCWF) work role.
  • Familiarity with the RMF and cybersecurity control implementation, assessment, or compliance activities.
  • Experience or knowledge in cybersecurity, system hardening, vulnerability management, security configuration management, or compliance auditing.
  • Working knowledge of Windows and/or Linux operating systems and associated security concepts and configurations.
  • Familiarity with standards such as NIST SP 800-53 Rev 5, DISA STIGs, DCSA requirements, the DAAG, NISPOM, or comparable requirements.
  • Experience supporting DoD or DCSA-regulated classified information systems (preferred).

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