On-Site DoD ISSO — RMF & Cybersecurity Lead

Koitecc Solutions; Oklahoma City (OK); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking an Information System Security Officer (ISSO) to support a fast-paced DoD program with the Air Force Life Cycle Management Center. The ISSO will oversee the cybersecurity posture of DoD information systems, develop security policies, perform risk assessments, RMF accreditation, and continuous monitoring to ensure mission success.

100% on-site work is required. The role requires active TS clearance with SCI eligibility, DoD 8140 certification, and strong collaboration with

Qualifications

• Active TS clearance with SCI eligibility required.
• DoD cybersecurity policies and RMF/NIST frameworks knowledge.
• DoD 8140 Intermediate certification required.
• Bachelor's or Master's degree with relevant experience.

Responsibilities

• Collaborate with ISSM to guide cybersecurity practices.
• Develop and maintain DoD security policies and documentation.
• Assess risk, perform vulnerability checks, and provide remediation.
• Manage RMF accreditation and continuous monitoring.
• Coordinate with cross-functional teams to enforce security controls.
• Support incident response and security reporting.

Skills

Security clearance (TS)

DoD cybersecurity knowledge

Policy development

Communication skills

Education

Bachelor's degree or higher

Master's degree

Tools

SIEM tools

RMF process

Job description

Leidos is seeking an Information System Security Officer (ISSO) to support a fast-paced DoD program with the Air Force Life Cycle Management Center. The ISSO will oversee the cybersecurity posture of DoD information systems, develop security policies, perform risk assessments, RMF accreditation, and continuous monitoring to ensure mission success.

100% on-site work is required. The role requires active TS clearance with SCI eligibility, DoD 8140 certification, and strong collaboration with