Security Control Assessor

Apex Systems; San Diego (CA); On-site; USD 130,000 - 170,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401K with company match

ESPP

Job summary

Everforth Apex is seeking a Security Control Assessor in San Diego, CA for a 4.5-year W2 contract. The role focuses on security control assessments across IT and OT, evaluating system security posture and RMF compliance.

You will review implementations in on-prem, cloud, and hybrid environments, communicate findings to government leadership, and support authorization activities while maintaining a professional demeanor under pressure.

Qualifications

• Must have 20+ years of relevant experience.
• Must be able to obtain/maintain TS/SCI clearance.
• Deep RMF/NIST 800-53 and government context knowledge.

Responsibilities

• Conduct security control assessments and evaluations of system posture.
• Review security implementations across IT/OT and cloud environments.
• Provide cybersecurity oversight on enterprise-scale systems.
• Evaluate controls, identify gaps, ensure RMF compliance.
• Present findings to senior stakeholders.
• Support security authorization activities.
• Maintain professional conduct in high-pressure environments.

Skills

TS/SCI clearance

RMF authorization

NIST 800-53 knowledge

Security control assessments

IT/OT environments

Communication skills

Job description

Job# 3052112

Job Description

Security Control Assessor

Location

San Diego, CA (100% Onsite)

Type

W2 Long-term contract (4.5 years left on award)

Schedule

M-F core hours

Overview

This position supports highly sensitive classified environments and mission systems. The role is focused on security control assessments and the independent evaluation of system security posture. As an assessor, you will be responsible for evaluating security controls, identifying gaps, and validating compliance with established requirements across both Information Technology (IT) and Operational Technology (OT) environments.

Duties

• Conduct security control assessments and independent evaluations of system security posture.


• Review security implementations across on-premises, cloud, hybrid, virtualized, AI/ML, robotic process automation, and cross-domain solutions.


• Provide cybersecurity oversight on complex, enterprise-scale systems and architectures.


• Evaluate security controls, identify gaps, and validate compliance with Risk Management Framework (RMF) requirements.


• Communicate findings and security impacts to senior stakeholders and government leadership.


• Operate as an assessor and inspector rather than a system owner or manager.


• Support security authorization activities and compliance efforts.


• Maintain a professional bearing and clear communication in high-pressure situations.

Required Qualifications

• 20+ years of relevant experience.


• Clearance: Must be able to obtain and/or maintain a Department of Defense TS/SCI security clearance as a condition and continuation of employment*


• Deep understanding of NIST 800-53 security controls and RMF authorization processes.


• Strong knowledge of security requirements, organizational structure, and governance within a government context.


• Experience conducting security control assessments and evaluating control effectiveness.


• Ability to assess complex technical implementations across diverse systems and technologies, including IT and OT environments.


• Strong written and verbal communication skills, with experience presenting assessment findings and risk impacts.

Preferred Qualifications

• Experience as a Security Controls Assessor (SCA); ISSM/ISSO backgrounds are acceptable if an assessment-focused mindset can be demonstrated.


• Experience conducting security control assessments of operational systems.


• Knowledge of the Joint Special Access Program Implementation Guide (JSIG) is preferred.


• Ability to work independently while maintaining strong communication with clients and team members.


• Possession of CISSP, CASP+, or other advanced cybersecurity certifications.

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 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 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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