Information System Security Engineer (ISSE) (2026-0170)

Acclaim Technical Services, founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow.

We are actively hiring an Information System Security Engineer (ISSE) with TS/SCI clearance and polygraph to join our Data and Systems Integration Division, working in Chantilly, VA to provide Support and administer cyber security projects and Assessment & Authorization (A&A) activities within the Sponsor’s organization.

ROLES AND RESPONSIBILITIES:
Tasks shall include, but are not limited to, the following:

+ Technical cybersecurity role responsible for des...