Senior Information Systems Security Officer
About this role
General information
Requisition #
R70398
Locations
USA-DC-Washington
Posting Date
08/28/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!
***This is for a future opportunity***
MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer (ISSO) to join our team in Washington, D.C . This is an on-site position.
The Senior ISSO will leverage their strong technical background and knowledge to support accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks and actions.
Responsibilities Include but are not limited to:
• Create, update, maintain, and interpret required Body of Evidence (BOE) documentation to navigate system accreditation processes. • Ensure the day-to-day implementation, oversight, continuous monitoring, and maintenance of system security configurations and practices. • Conduct required vulnerability scans, review reports to identify vulnerabilities, and perform comprehensive vulnerability analysis. • Develop, oversee, and track Plans of Action and Milestones (POAMs) to effectively mitigate discovered security risks. • Coordinate with system owners, ISSMs, and team resources to diagnose operational issues and implement necessary technology solutions. • Document and implement plans detailing security postures, proper configurations, and secure remote access capabilities for applications.