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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 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 View email address on click.appcast.io or View phone number on click.appcast.io.

Vacancy posted 4 days ago
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