Senior Security Controls Assessor

ARETUM

Senior Security Controls Assessor with Aretum conducting security assessments for federal contracts. Ensuring compliance with security regulations and improving security posture.

Posted 7/15/2026full-timeRemote • Virginia • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in conducting security controls assessments in alignment with NIST 800-53 Revision 5 and a thorough understanding of ATO documentation requirements. Proven ability to lead assessments, manage evidence, and provide actionable recommendations to enhance security posture.

Highest-signal resume keywords

NIST 800-53 Rev 5 ExpertiseSecurity Controls Assessment LeadershipNIST RMF ProficiencyCISSP CertificationCommunication and Task Management Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Controls AssessmentNIST 800-53ATO Documentation RequirementsAssessment PlanningEvidence Management

Soft Skills

Strong Communication SkillsTask Management Skills

Certifications & Qualifications

CISSPCISMCISA

Industry Keywords

Federal Government SupportATO ProcessCSAM ExperienceJCAM Experience

About the role

Key responsibilities & impact

Independently perform all aspects of the security controls assessment in alignment with NIST 800-53 Revision 5
Ensure comprehensive understanding and application of ATO documentation requirements
Coordinate all aspects of testing with relevant stakeholders and team lead
Develop a security assessment plan with input from stakeholders
Conduct and lead assessment interviews and tests and manage evidence
Provide insightful recommendations to improve security posture

Requirements

What you’ll need

Minimum of 3 years leading security controls assessments
Experience performing assessments while supporting the federal government
Proficient understanding of NIST RMF
Expertise in NIST 800-53 Rev 5
Understanding of the ATO process
Strong communication and task management skills
**Preferred Qualifications **
BA/BS degree, Information Security or Related
Certifications: CISSP, CISM, CISA, or equivalent
CSAM/JCAM Experience

Benefits

Comp & perks

Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off
Family Leave (Maternity, Paternity)
Short Term & Long-Term Disability
Training & Development