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Job Description

Build secure, mission-ready systems with Leidos in Orlando, FL (onsite), supporting the Department of the Air Force (DAF) Battle Network and the infrastructure behind it. This role blends day-to-day cybersecurity operations with long-term program maturation, helping teams improve how risk is managed, authorizations are developed, and security plans evolve across the life cycle. You will work in an environment that values ethical and respectful behavior while delivering competitive compensation and comprehensive support through health and wellness programs, income protection, paid leave, and retirement.

Responsibilities

  • Support and reinforce a culture grounded in Leidos values, beliefs, and expectations, with a focus on ethical and respectful behavior
  • Plan and document security for a complex, mission-critical defense network in accordance with the DoD RMF
  • Plan, document, and obtain required authorizations and approvals, including IATT, IATO, ATO, ATC, and ISAs
  • Perform and review security assessments of computing environments to identify vulnerabilities and non-compliance with cybersecurity standards and regulations, and recommend mitigation strategies
  • Validate and verify system security requirements definitions and analysis
  • Analyze assessment findings, prioritize risks, and track remediation to closure
  • Partner with architects and system developers to implement security functionality that supports consistent application of security policies and solutions
  • Assess SCI (Sensitive Compartmented Information) system threats and risks, and develop mitigations throughout the program life cycle
  • Contribute to security planning, assessment, risk analysis, risk management, certification, and awareness activities for SCI systems and classified network operations

Requirements

  • Bachelor’s degree with 4+ years of related experience (additional experience may be considered in lieu of a degree)
  • US Citizen; currently possessing an active DoD Secret clearance with ability to upgrade to TS/SCI upon hire
  • DoD 8140-compliant baseline certification appropriate to the work role (for example, IAT Level II)
  • Experience applying the NIST RMF within DoD and Intelligence Community (IC) environments
  • Experience with Intelligence Community Directive (ICD) 503
  • Experience with cross-domain or segmented architectures
  • Experience developing and documenting NIST SP 800-53 security controls
  • Experience working in a SCIF and on classified networks
  • Excellent written and verbal communication skills, including briefing technical and non-technical customers and stakeholders
  • Ability to collaborate effectively with a dispersed team

Technologies

  • Risk Management Framework (RMF), DoD RMF
  • NIST SP 800-53
  • DoD 8140
  • Intelligence Community Directive (ICD) 503
  • eMASS, eMASSter
  • Evaluate-STIG
  • Tenable Nessus, Security Onion
  • Jira, Confluence
  • TEMPEST

Preferred Qualifications

  • Master’s degree with 2+ years of relevant experience
  • Active TS/SCI clearance
  • Experience developing and maintaining an authorization Body of Evidence
  • Experience with eMASS, including eMASSter
  • Experience with Evaluate-STIG
  • Experience with Tenable Nessus
  • Experience with Security Onion for network security monitoring (NSM)
  • Experience with Jira and Confluence
  • Understanding of TEMPEST requirements and assessments

Location: Orlando, FL (onsite)

Salary range: $87,100 - $157,450 (per year)

Posting date: October 23, 2026

Securing your data: Leidos will never ask you to provide payment-related information during any part of the employment application process, nor will Leidos advance money (for example, by sending a check or money order before doing any work). Leidos will only communicate through emails generated by the Leidos.com automated system, never via free commercial services (such as Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, or similar services. If you receive an email requesting payment-related or other personal information, report it by emailing [email protected]. If you believe you are a victim of a scam, contact local law enforcement and report to the U.S. Federal Trade Commission.

Commitment to non-discrimination: All qualified applicants will receive consideration without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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