Senior System Administrator with Security Clearance - ManTech International

ManTech is looking for a motivated, customer-oriented Senior Systems Administrator to join our team in Washington, DC. Responsibilities include, but are not limited to: * Maintain/troubleshoot Windows servers and workstations, both on-site and remote * Perform Windows system administrative support to include adding and removing users, installing software and monitoring systems * Maintain domain controllers, file servers, application servers and other cloud resources * 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 * Assist in configuring baseline switches, routers and PCs being prepared for deployment * Coordinate equipment preparation and shipping, confirm customer receipt, and validate inventories * Perform remote site surveys and identify requirements for hardware and cabling Basic Qualifications: * 5+ years of related experience as a System Analyst/Administrator or similar role * DoD 8570 Level II certification * Experience with network and patch management * Experience of system security, data backup/recovery, and network monitoring * Experience with troubleshooting and problem -solving issues to resolution * Excellent customer interaction with a focus on positive service support Preferred Qualifications: * Bachelor's Degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution * DoD 8140-451 Intermediate Certification (Cloud+ or GICSP or SSCP or GSEC) * ITIL 4 Foundations certification * Microsoft Certified Solutions Associate (MCSA) Security Clearance Requirements: * Top Secret-SCI clearance adjudicated within the last 6 years * Willing to submit to a random polygraph Physical Requirements: * Must be able to remain in a stationary position 50% * Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. * Often positions self to maintain computers in the lab, including under the desks and in the server closet * Frequently communicates with co-workers, management and customers, which may involve delivering presentations * Must be able to exchange accurate information in these situations