(ISSO) Information Systems Security Officer

Grow your career with Leidos! Through hands-on training, strong teamwork, and exposure to advanced technical challenges, we'll help you accelerate your professional path.

The Leidos Defense Group is seeking qualified candidates for an Information Systems Security Officer (ISSO) position at Langley AFB. This role supports a major Military Intelligence Program aligned with the USAF Air Combat Command (ACC) ISR mission.

In this role, you will provide TS/SCI Special Access Program (SAP) ISSO support to the Air Force Distributed Common Ground System (AF DCGS) and the 480th ISR Wing at Joint Base Langley-Eustis, VA.

Primary Responsibilities

• Manage daily security accreditation and certification activities for TS/SCI SAP systems.
• Monitor SAP systems and environments, update security plans, manage system changes, and evaluate the security impact of modifications in accordance with operational and security directives.
• Oversee SAP account authorization, creation, and management.
• Ensure all personnel possess the required clearances, authorizations, and need-to-know.
• Develop and deliver security education, training, and awareness programs; ensure personnel complete required training prior to receiving SAP access.
• Report hardware, software, or firmware changes to the ISSM and ensure proper actions are taken when vulnerabilities or incidents arise, following all governing directives.
• Provide inputs to the DCGS System Security Authorization Agreement (SSAA).
• Prepare all on-site information assurance documentation.
• Maintain system accreditation data within the XACTA database.
• Create POA&Ms, and recommend or implement corrective actions identified in Security Assessment Reports (SARs).
• Collaborate with product developers, AF acquisition teams, security, IT, and operations personnel to develop and coordinate IA solutions during daily operations and regular working group forums.
• Work both independently and collaboratively with AF DCGS stakeholders; strong oral and written communication skills are essential.

Basic/Required Qualifications

• Bachelor's degree in a related field and 6 years of relevant experience, or an Associate's degree and 10 years of relevant operational experience. Minimum of 4 years of IA experience required. Comparable experience may considered in lieu of a degree.
• Current TS/SCI clearance eligibility at start of employment.
• Current DoD 8570.01 IAT Level II certification prior to start date.
• Desired Qualifications
• SAP access within the last 2 years.
• Extensive experience with RMF, Assessment & Authorization (A&A), and Xacta IA Manager workflows.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

August 28, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.