Description
The Leidos Digital Modernization Sector is pro-actively preparing for the potential of an increase in staff needed to fulfill an important mission in support of the Sixteenth Air Force Cyber Forces. Specifically, we are seeking multiple candidates for future Security Control Assessor Representative positions that will be located at Lackland AFB San Antonio TX.
Organization Summary
Leidos provides direct support for the Air Force's cyberspace and information warfare capabilities. It enables cyber operations, cyber defense, intelligence, and information security to protect Air Force networks and global missions. As a trusted partner, Leidos aids the Air Force in rapidly converging capabilities, mitigating cyber threats, and generating mission-critical cybersecurity outcomes.
Position Summary
The Security Control Assessor Representative (SCAR) provides expert cybersecurity assessment, RMF documentation support, and accreditation readiness for complex Air Force information systems. This role supports the development, review, and validation of cybersecurity artifacts, ensures compliance with DoD and Air Force security controls, and supports the government Security Control Assessor in achieving and maintaining system authorization. The SCAR performs comprehensive security control assessments, evaluates risk, and provides actionable recommendations to strengthen the program's cybersecurity posture.
Primary Duties & Responsibilities:
System Security Plan (SSP)
Cybersecurity Plan
Security Assessment Report (SAR)
Risk Assessment Reports (RAR)
Plan of Actions and Milestone (POA&Ms)
Standard Operating Procedures (SOPs) and system operating procedures
Support all RMF activities to obtain and sustain Authority to Operate (ATO) or Interim Approval to Test (IATT).
Conduct security control assessments to validate effectiveness and compliance with DoD_instrsturctions, NIST SP 800-53, CNSSI 1253, and AFI 17-101.
Validate system configurations, architectures, STIG/SRG compliance, and vulnerability management practices.
Review cybersecurity artifacts for accuracy, completeness, and alignment to system categorization.
Manage cybersecurity baselines, continuous monitoring, audit remediation, and configuration control for classified and unclassified systems.
Provide expert recommendations on security architecture, risk mitigation, and prioritization of vulnerabilities based on mission impact.
Develop and maintain cybersecurity strategies supporting both short-term and long-term program objectives.
Perform periodic risk assessments and evaluate security posture against evolving threats and compliance mandates.
Assist government personnel with incident response activities, data sanitization processes, and secure media handling.
Interface with government independent assessment teams to support assessment and authorization efforts.
Ensure continuous accountability of hardware, software, and digital artifacts on classified networks.
Maintain awareness of emerging cybersecurity threats and recommend updates to policies, plans, and procedures.
Basic (Required) Qualifications:
Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or related discipline with 4-12+ years of experience.
(Experience may be substituted for education depending on contract requirements.)
3-5+ years of experience in DoD cybersecurity, RMF, or information assurance.
Requires an active DoD TS/SCI clearance.
Hands-on experience with the RMF lifecycle, including control validation and assessment.
Experience preparing and maintaining RMF artifacts (SSP, SAR, POA&M, Risk Assessment, Contingency Plans, etc.).
Working knowledge of NIST SP 800-53, CNSSI 1253, DoDI 8500.01/8510.01, and AFI 17-101.
Experience interpreting STIGs, SRGs, ACAS/Nessus scan results, and system hardening requirements.
Ability to assess vulnerabilities, evaluate risk impact, and recommend mitigation strategies
Strong written and verbal communication skills, including the ability to brief stakeholders and produce clear technical documentation.
Ability to perform duties on classified networks and handle sensitive information appropriately.
DoD 8570/8140 Baseline Certification:
IAM-II (e.g., CAP, CASP+, CISM, GSLC), or IAT-II/IAT-III equivalent depending on system requirements.
Preferred Qualifications:
Prior experience as a SCAR, SCA, ISSO, ISSM, or RMF Assessor for DoD or Air Force programs.
Experience with eMASS, Xacta, or other RMF automation tools.
Knowledge of cybersecurity architecture, enterprise networks, virtualization, and system lifecycle management.
Experience supporting or validating controls on classified systems at various impact levels (IL4-IL6, JWICS/SIPR/NIPR).
Hands-on experience performing Security Test & Evaluation (ST&E).
Experience analyzing audit logs, monitoring tools, and cybersecurity alerts.
Familiarity with Zero Trust principles, DoD cloud security models, and current cyber threat landscapes.
Advanced cybersecurity certifications (e.g., CISSP, CCSP, CEH, GSNA, GSCP, GCIH).
Experience briefing senior leaders or government authorization officials.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
November 21, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment 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.
