Job Title: Mid-Level Security Control Assessor
Location: Bethesda, Maryland
Type: Direct Hire
Salary: $140,000 range annually, plus benefits
Work Model: Hybrid – onsite and remote
Hours: 40.0/week
Security Clearance: Public Trust
Work expected to begin on or about August 30, 2026
System One IT has a direct hire opening for a mid-level Security Control Assessor to support a National Healthcare agency. This is a remote position day-to-day with infrequent on-site visits in Bethesda, MD.
This position supports a federal end customer and requires ship with eligibility to pass a Public Trust clearance. (Current Public Trust clearance highly desired). This role is currently in the bid process and is expected to be awarded in early August, with work to begin on or about August 30, 2026, if awarded.
Responsibilities
- Serve as the technical authority for independent security assessments in accordance with NIST standards and agency policies.
- Lead planning, execution, and validation of Security Control Assessments throughout the authorization lifecycle.
- Review and validate authorization packages, including SSPs, SAPs, SARs, POA&Ms, and supporting evidence.
- Assess the implementation and effectiveness of security controls through documentation reviews, interviews, and technical validation.
- Review FedRAMP cloud packages and inherited controls as applicable.
- Document findings, recommendations, and remediation activities.
- Support cybersecurity audits and continuous improvement initiatives.
- Provide risk-based recommendations to the Authorizing Official while maintaining assessment independence.
- Mentor junior assessors and improve assessment methodologies.
Requirements- Bachelor''s degree in Cybersecurity, Information Technology, Computer Science, Information Systems, or related discipline, or four (4) additional years of relevant experience.
- Ten (10) or more years of progressive experience supporting federal cybersecurity, RMF, Security Control Assessment, or information assurance programs.
- Significant experience leading independent Security Control Assessments and validating RMF authorization packages.
- Experience conducting security control testing, evidence validation, and developing SARs per NIST SP 800-37, NIST SP 800-53 Rev. 5, and JCAM.
- Experience supporting federal civilian agencies is highly desirable.
- Experience reviewing FedRAMP authorization packages and supporting OIG, GAO, or independent assessments.
- Strong knowledge of federal cybersecurity assessment principles, excellent analytical and technical writing skills, and effective communication skills.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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Ref: #856-Baltimore-S1
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