We are looking for a Sr. Systems Administrator with SCCM, Active Directory and Powershell experience to join our team in Columbia, MD. A TS/SCI with a poly is required for this role. Position Summary: Performs technical planning, system integration, verification and validation, evaluates alternatives including cost and risk, supportability and analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. Qualifications: BS or equivalent + 12 yrs related experience, or MS + 10 yrs related experience, AS or equivalent + 15 yrs, HS or equivalent + 20 yrs. Experience in the following: SCCM, Active Directory, Build Services , GPOs, MBAM Knowledge, UE-V Knowledge, Scripting - particularly Power Shell . Strong analytical and problem solving skills Active TS/SCI with Polygraph required to start. One of the following DoD approved certifications is necessary to meet the category/level IAT-2 (DoD 8570) requirement for this position: Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP (or Associate), CASP, GCIH, or GCED. For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training, and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs, and provide mission support services worldwide. GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.