Senior Cloud Information System Security Engineer

General information

Requisition #

R70420

Locations

USA-DC-Washington, USA-AL-Huntsville

Posting Date

08/31/2026

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 mission-focused Senior Cloud Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. or Huntsville, AL. This is an onsite position.

Responsibilities include but are not limited to:

• Lead, mentor, act as a SME (Subject Matter Expert) and supervise a team of contractor security professionals responsible for the end-to-end implementation of the Risk Management Framework (RMF) lifecycle for FBI IT systems. • Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained. • Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements. • Advise on the selection, tailoring, and documentation of security controls aligned with system categorizations, Bureau risk appetite, and compliance requirements. • Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables. • Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards. • Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.