**ManTech** is seeking a motivated, career and customer-oriented **Windows System Administrator** to join our team in **Laurel, MD.** **Responsibilities** : **Include but are not limited to:** + Analyze and resolve complex problems associated with server hardware, applications, and software. + Configure and manage Windows operating systems and install/load operating system’s software + Troubleshoot, maintain integrity of and configure network components. + Implement operating systems enhancements to improve reliability and performance. **Minimum Qualifications:** + Fifteen (15) years’ experience as a Systems Administrator 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 Systems Administrator experience may be substituted for a bachelor’s degree. + Able to download software and upgrade Cisco switches and firewalls. **Preferred Qualifications:** + Familiarity with Scanboy + Familiarity with BigFix + Familiarity with LatteArt **Clearance Requirements:** + Must have a current/active TS/SCI w/ Polygraph. **Physical 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. 6.26.BP.SH.AB.AL.23 ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.