Information System Security Officer (ISSO) - TS/SCI with Polygraph

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Security Evaluations, Security Reviews, Security Testing

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT is seeking a highly skilled and multi-faceted Information System Security Officer (ISSO) for a critical contract role supporting a commercial cloud service provider's mission-critical systems. This position requires the employee to report full time on site in McLean, VA.

The ideal candidate is a proactive and seasoned professional with extensive, hands-on experience navigating the FedRAMP, DoW Impact Level 6 (IL6), and Risk Management Framework (RMF) requirements for classified commercial cloud services and cross domain solutions. This role requires a unique blend of technical engineering prowess, security assessment and auditing skills, deep expertise in continuous monitoring, and the polish to communicate risk to executive leadership. You will be a key contributor to our Governance, Risk, and Compliance (GRC) program, supporting the Information System Security Manager (ISSM) and ISSO Lead in ensuring the unyielding security and integrity of mission-critical systems.

The ISSO will support the following key areas -

• RMF & Assessment and Authorization (A&A)

• Security Engineering & System Hardening

• Security Control Assessor (SCA) & Auditing

• Continuous Monitoring & GRC

Additionally, the ISSO will -

• Support Assessment & Authorization (A&A) execution for classified commercial cloud service offerings, and Cross Domain Solutions (CDS) as needed, through the entire respective FedRAMP/DoW IL6 and/or RMF lifecycles to obtain and maintain the applicable authorizations.

• Assist in maintaining a comprehensive body of evidence for A&A packages.

• Support the monthly and overall FedRAMP/DoW IL6, DoW CDS as needed, and IC Continuous Monitoring requirements.

• Work with security engineering to proactively identify and assess vulnerabilities related to scans, STIGs, security controls, etc.

• Support assessment preparation for security control audits, traditional security reviews, and formal inspections, including preparing for and executing FedRAMP/IL6 third-party assessment organization (3PAO) assessments, DoW CDS assessments as needed, and IC assessments. (Potential to support DCSA classified space assessments.)

• Meticulously review artifacts, logs, and system configurations to ensure they provide sufficient evidence of compliance.

• Coordinate and/or participate in security testing and penetration testing activities to provide an independent validation of the system's security posture.

WHAT YOU’LL NEED TO SUCCEED - REQUIRED:

Bring your cyber expertise and drive for innovation to GDIT. The ISSO must have:

● Security clearance level: Must possess a current and active TS/SCI with Polygraph.

● Certifications: Must be DoW 8140 / 8570.01-M compliant

● Education: BA/BS Degree or equivalent experience in lieu of degree

● Experience: 5+ years of related experience

● Technical skills:

----- Expert-level knowledge of the complete NIST SP 800 series (especially 800-37, 800-53, 800-30) and risk management principles.

----- Progressive experience in information assurance and cybersecurity roles.

----- Direct, hands-on experience as an ISSO or ISSM, with a proven track record of successfully supporting ATO for classified systems under IL6, DoW RMF, and/or ICD 503 policies.

----- Extensive, hands-on experience navigating the FedRAMP, DoW Impact Level 6 (IL6), and Risk Management Framework (RMF) requirements for classified commercial cloud services and cross domain solutions.

● Location: Onsite in McLean, VA

DESIRED QUALIFICATIONS:

● Certifications: CISSP (Certified Information Systems Security Professional)

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

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