System Administrator III (TS/SCI w/ CI Poly required)

A&M Technologies is seeking three Systems Administrator II professionals to support enterprise Operations & Maintenance activities for a federal customer. The selected candidates will provide day-to-day administration of Windows and Linux systems while supporting enterprise virtualization, storage, cybersecurity, and help desk operations. This position will work closely with senior engineers to ensure mission systems remain secure, available, and fully operational. Primary ResponsibilitiesAdmin

As a Sr. Systems Administrator , you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting complex geographically dispersed infrastructure; managing Windows Server 2019 and 2022 environments; supporting Active Directory, Group Policy, Public Key Infrastructure, certificate services, clustered services, Internet Informati

Job Description Location: Fort Meade, MD Clearance Required: Top Secret/SCI with Active Full Scope Polygraph We are seeking an experienced Linux-focused System Administrator (Level 2) to support a mission-critical program within the Intelligence Community at Fort Meade, MD. This is an on-site position in a Sensitive Compartmented Information Facility (SCIF) environment requiring a TS/SCI clearance with an active Full Scope Polygraph prior to consideration. The successful candidate will be resp

Job ID: 2616523 Location: Springfield, VA, US Date Posted: 2026-09-03 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Desktop Support to join our MAJESTIC Joint Program Office (JPO) Tea