Senior Information Systems Security Officer

Apex Systems; Newington (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401K with company match

ESPP

Health, dental, vision, life insurance

Onsite training and certification with

Job summary

Everforth Apex in Newington, VA seeks a Senior Information Systems Security Officer to lead RMF activities across multiple systems. You will direct risk management, compile authorization packages, and ensure ongoing compliance with NIST SP 800-53 controls.

You should have 8+ years of experience, TS/SCI eligibility, and a Bachelor’s degree in a related field. Excellent briefing skills and familiarity with ACAS/Nessus are highly valued.

Qualifications

• Clearance: TS/SCI eligible and able to obtain/maintain as a condition of employment.
• Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, Engineering, or related field.
• 8+ years of related experience.
• Expert RMF knowledge and A&A documentation (SSP, SAP/SAR, POA&M, Continuous Monitoring).
• Hands-on RMF artifact development and audit readiness.
• Vulnerability management and security baseline experience.
• Executive-level writing and briefing skills.
• Security+ certification.

Responsibilities

• Lead RMF strategy and execution for multiple systems and enclaves.
• Develop, review, and approve authorization artifacts (SSP, SAP/SAR, POA&M, Continuous Monitoring).
• Craft risk statements and decision materials for a fast-paced environment.
• Implement quality gates, metrics, and dashboards for executive communication.
• Use vulnerability scans and audits to drive remediation and improvement.

Skills

RMF lifecycle

A&A documentation

RMF tooling

Control assessment

Vulnerability management

Executive briefing

Security+ certification

Education

Bachelor’s degree in Cybersecurity or related field

Tools

ACAS/Nessus

Job description

Job#: 3052811

Job Description:

Candidates must be U.S. citizens able to obtain and/or maintain a Department of Defense security clearance as a condition and continuation of employment.

Senior Information Systems Security Officer

Location: Newington, Virginia (Onsite)

Role Overview

An opportunity is available for a Senior Information Systems Security Officer to support Risk Management Framework (RMF) activities. This role involves directing RMF initiatives, ensuring high‑quality authorization packages, and driving sustained compliance with cybersecurity requirements.

Key Responsibilities

• Work with the team on portfolio-level RMF strategy and execution for multiple systems and enclaves.
• Utilize technical and soft skills to manage the development, review, and approval of authorization artifacts such as SSP, SAP/SAR, POA&M, Risk Register, and Continuous Monitoring Strategy.
• Craft risk statements and decision materials in a fast-paced environment.
• Implement quality gates, metrics, and dashboards for executive communication.
• Utilize results from vulnerability scans, security benchmarks, and configuration audits to resolve findings.

Required Qualifications

Clearance: Candidates must be able to obtain and/or maintain a TS/SCI security clearance as a condition and continuation of employment

Education: Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, Engineering, or a related field.

Experience: 8+ years of related experience.

Technical Skills:

• Expert‑level knowledge of RMF lifecycle and A&A documentation (SSP, SAP/SAR, POA&M, Continuous Monitoring Strategy, Risk Register).
• Mastery of RMF tooling for package management, control inheritance, workflow, and audit readiness.
• Hands‑on control assessment and validation against NIST SP 800-53; familiarity with related industry directives.
• Enterprise vulnerability management using tools like ACAS/Nessus and configuration baselines.
• Executive‑level writing and briefing skills.
• Security+ certification.

Preferred Qualifications

• CISM, CISSP, or CCSP certification.
• Experience with cloud A&A (AWS, Azure) at various levels.
• Experience establishing Continuous Monitoring programs and dashboards; familiarity with control overlays and tailoring.

Work Environment

The role involves working with a team on RMF strategy and artifact quality, coordinating assessments, guiding remediation, and mentoring analysts. The environment is highly team‑based with cross‑functional collaboration.

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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