Summary: MANTECH is seeking a customer-oriented Senior Systems Administrator responsible for maintaining and troubleshooting Windows servers, workstations, and peripherals. Highlights: 1. Maintain/troubleshoot Windows servers, workstations and peripherals 2. Perform Windows system administrative support 3. Engage with customers and ensure proper incident closure Apply Now MANTECH seeks a motivated, customer-oriented Senior Systems Administrator to join our team in Chantilly, VA.  This is an onsite position. Responsibilities include but are not limited to: Maintain/troubleshoot Windows servers, workstations and peripherals Perform Windows system administrative support to include account management, installing software and monitoring systems Maintain domain controllers, file and application servers Properly receive and triage customer incidents in the ticketing system Follow standard operating procedures to accurately log all tickets within the ticketing system Perform remote troubleshooting through diagnostic techniques Properly escalate unresolved tickets to the next tier of support Engage with customers throughout the process and follow up to ensure proper incident closure Ensure quality and productivity standards are maintained while meeting customer timelines Work schedule is 2nd shift with occasional weekends as needed Minimum Qualifications: Bachelor's Degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution with 4+ years experience or 8+ years of experience as a System Administrator or in a similar role. DoD 8570 IAT Level II certification, ex., Security+ Experience with network troubleshooting Knowledge of system security, data backup/recovery, and network monitoring Preferred Qualifications: DoD 8140-451 Intermediate Certification (Cloud+ or GICSP or SSCP or GSEC) ITIL 4 Foundations certification Azure Certification Security Clearance Requirements: Must have a current or active Top Secret-SCI clearance adjudicated within the last 6 years and be willing and able to obtain a polygraph. Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. Apply Now