Security Control Assessor

Leidos LLC; Alexandria (VA); On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos is seeking multiple Security Control Assessors to support our assessment team. These roles are based in Alexandria, VA, Fort Meade, MD, or Chambersburg, PA with on-site work predominating and occasional light telework.

Expect up to 80% travel and frequent collaboration with the SCA team to assess DoD systems and networks for RMF compliance. Responsibilities include conducting assessments, applying STIGs, and documenting findings in eMASS.

Qualifications

• Active DoD TS clearance with SCI eligibility.
• Current DoD 8570 IAM II or IAT II certification.
• Willingness to travel up to 80% for assessments.
• Bachelor's degree in an IT-related field with 5 years of cybersecurity experience.

Responsibilities

• Conduct cybersecurity assessments, audits, and inspections for DoD organizations and partners handling DoD information or connecting to the DoDIN.
• Evaluate systems and Defensive Cyberspace Operations using cyber threat emulation and testing.
• Adhere to policies and processes for each assessment type.
• Coordinate logistics, test plans, and scope with the SCA Team Lead.
• Perform vulnerability assessments and document findings in eMASS.

Skills

Cybersecurity assessments

RMF/NIST knowledge

Communication skills

Travel readiness

Education

Bachelor's degree in IT

Tools

eMASS

STIG Viewer

Nessus

ACAS

SCAP

HBSS/ESS

Job description

Job Description Leidos is seeking multiple Security Control Assessors to support our assessment team. These positions can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. These positions are primarily on-site, but light, partial telework may be available at the discretion of our customer and program management. Significant travel may be required - estimated 80% of the time.

Responsibilities

• Conduct cybersecurity assessments, audits, and inspections for DoD organizations and partners handling DoD information or connecting to the DoDIN.
• Evaluate systems and Defensive Cyberspace Operations using cyber threat emulation and performance-based testing.
• Adhere to policies and processes for each assessment type.
• Support assessment development and execution to ensure security expertise is properly applied.
• Coordinate logistics, test plans, and scope with the SCA Team Lead.
• Perform vulnerability assessments, capture results using STIG Viewer or designated tools, and document findings in eMASS.
• Analyze security gaps and provide mitigation recommendations.
• Validate cybersecurity controls, TTPs, STIGs, RMF controls, and compliance with DoD policies and guidelines.
• Provide risk analysis and assessment results for authorization recommendations.
• Participate in daily assessment reviews, in-briefs, and out-briefs, sharing findings with the SCA-R.
• If senior staff, mentor and guide personnel by providing technical expertise, best practices, and professional development support to enhance team capabilities and knowledge.

Basic Qualifications

• Active DoD Top Secret clearance with SCI eligibility required
• Current DoD 8570 IAM II or IAT II certification
• Ability and willingness to travel for assessments as required, up to 80% of the time
• Bachelor's degree (IT-related field preferred) and five (5) years of cybersecurity or network security experience. Additional relevant experience may be considered in lieu of degree.
• Three (3) years of experience in a Certification and Accreditation/A&A role
• Demonstrated experience with STIGs, SRGs, POA&Ms and cybersecurity best practices, as well as relevant tools such as eMASS, STIG Viewer, Nessus, ACAS, SCAP, or HBSS
• Strong understanding of the RMF process, NIST SP 800- 37, NIST SP 800-53, CNSSI 1253, as well as key technologies areas/domain such as: Network, Mobility, Windows, UNIX, Cloud Environments and Cloud Native Tools/Services, Host Based Security System (HBSS)/Endpoint Security Solutions (ESS), Databases, Applications
• Strong written and verbal communication skills for reporting assessment findings

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.

Pay Range

• Pay Range $69,550.00 - $125,725.00
• 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.

Pay and Benefits

• Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
• 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. More details are available here.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Securing Your Data

• Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

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.