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Security Control Assessor

Apex Systems Inc

Security Control Assessor

Location: Alexandria, Virginia (Onsite)

Role Overview

We are seeking a skilled and detail-oriented Security Control Assessor. The successful candidate will be responsible for evaluating, testing, and validating the effectiveness of security controls within information systems and networks, with a strong emphasis on applying the Risk Management Framework (RMF). This role requires a strong background in RMF execution, documentation for Assessment and Authorization (A&A), vulnerability analysis, and remediation validation.

Key Responsibilities
  • Provide tailored documentation to support security authorizations.
  • Serve as an independent assessor for Risk Management Framework Steps 0 to 7.
  • Plan and execute security control assessments for various information systems.
  • Develop and maintain assessment procedures and methodologies aligned with NIST guidelines.
  • Analyze and evaluate the effectiveness of implemented security controls, identify vulnerabilities, and prepare detailed Security Assessment Reports (SARs).
  • Perform vulnerability scanning and compliance operations, including analysis of scans and STIG implementations.
  • Create and manage artifacts such as System Security Plans (SSPs) and Plans of Action and Milestones (POA&Ms).
  • Collaborate with system owners and Information System Security Officers (ISSOs) throughout the assessment and authorization process.
  • Assess and validate security controls in cloud-based technology environments.
Required Qualifications

Experience: 5+ years of relevant experience in a Security Control Assessor role.

Education & Certifications:
  • Bachelor's degree or equivalent years of relevant experience.
  • A current DoD 8570 IAT II certification is required (e.g., CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP).

Technical Skills & Knowledge:
  • Hands-on experience with eMASS or similar Information Assurance tools.
  • Proficient understanding of all steps of the RMF process and NIST implementation guidance.
  • Experience with vulnerability analysis, STIG implementation, access controls, and remediation validation.
  • Knowledge of relevant security standards such as NIST SP 800-series (e.g., 800-53, 800-53A, 800-137) and others.
  • Demonstrated documentation and communication skills for interacting with stakeholders and creating authorization artifacts.
  • Experience assessing and validating controls within any cloud-based technology.

Preferred Qualifications:
  • A well-developed understanding of the Systems Development Lifecycle (SDLC).
  • Relevant Cybersecurity and Information Assurance experience with specific hands-on involvement in writing and submitting complete documentation packages for new system authorizations.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
Vacancy posted 3 days ago
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