System Administrator Level 3 (Windows)

ManTech is seeking a motivated, career and customer-oriented System Administrator Level 3, with the focus of Cisco Networks, to join our team in Annapolis Junction, MD.Responsibilities: Include but are not limited to: Proficient on Windows 10 and Windows 11 Must maintain and upgrade networks, including routers and switches. Must have experience with sub netting, IP schemes, basic network troubleshooting and Webex remote. Must have experience with PuTTy and Remote Desktop Protocol (RDP) Must understand how to use the Trellix virus protection tool. Must provide support and troubleshooting for PC and laptops. Must set up and maintain conference room equipment. Must be willing to perform labor work with equipment, printer and desk moves. Proficiency with annual equipment refresh procedures. Proficient with excessing obsolete computers and laptops Minimum Qualifications: Fifteen (15) years experience as a SA in programs and contracts of similar scope, type and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.Preferred Qualifications: • Familiarity Office 365 Suite applicationsClearance Requirements: Must have a current/active TS/SCI w/ Polygraph. Must be a US CitizenPhysical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.