SR ISSO

Job#: 3033317

Job Description:

Sr. ISSO

Suitland, MD (100% onsite)

TS/SCI Clearance

IAM Level III Certification

Description

Senior Level ISSO supporting the Office of Naval Intelligence. This position serves as a key cybersecurity leader responsible for overseeing the security posture of complex information systems and guiding risk-based decision-making in support of mission objectives. The ideal candidate will lead the implementation and execution of the NIST Risk Management Framework, ensuring systems achieve and maintain authorization while aligning with Department of Defense and federal cybersecurity requirements.

Specific duties include, but are not limited to the following:

Program / System Ownership

Oversee security posture for multiple systems or enclaves

Lead ATO packages end-to-end

Act as primary security authority for assigned systems

RMF Leadership

Interpret and apply NIST RMF at a strategic level

Tailor controls from NIST SP 800-53 based on system risk

Advise Authorizing Officials (AOs)

Risk Management & Decision-Making

Assess risk and recommend acceptance or mitigation

Make judgment calls on POA&M prioritization

Balance mission vs security requirements

Mentorship & Leadership

Guide to junior and mid-level ISSOs

Review and approve security documentation

Set standards and best practices

Cross-Functional Influence

Work with engineers, architects, and leadership

Influence system design for security (shift-left mindset)

Participate in architecture reviews

Audit & Inspection Leadership

Lead audits and represent the system/program to inspectors

Handle high-level findings and responses

Incident Oversight

Direct response efforts and ensure proper escalation/reporting

Certifications (IAM Level III)

One of the following:

CISM

CISSP (or Associate)

CCISO

Required Skills

At least 6 years of experience in cybersecurity and equivalent field.

Bachelor's degree in a technical subject (or equivalent experience).

Knowledge and experience with of the NAVINTEL ICD 503 Risk Management Framework (RMF) Implementation Policies/Directives and Dept. of Navy (DON) cybersecurity Policies/Directives.

Knowledge and experience with automated tools such as Assured Compliance Assessment Solution (ACAS), Center for Internet Security (CIS) Benchmark, and Security Content Automation Protocol (SCAP), and Retina.

Experience with ISSO responsibilities per SECNAV M-5239.2

Knowledge and experience of cybersecurity, A&A and RMF documentation development and support

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 ClearlyRated's 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 for more details.

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.