Senior Systems Administrator

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Systems Administrator to join our team in Chantilly, VA.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 Other duties as assignedBasic Qualifications: 5 years of related experience as a System Administrator or similar role DoD 8570 IAT Level II Certification required (Sec, CCNA, GICSP, GSEC, CND, SSCP, CySA) Experience with network and patch management Knowledge of system security, data backup/recovery, and network monitoring Experience using Microsoft Office Ability to troubleshoot and problem solve issues to resolution Good customer interaction with a focus on positive service support Good oral and written communication skillsPreferred Qualifications: Bachelors Degree in a related scientific or technical discipline CASP certification Experience as a deployments engineer and/or deploying virtual desktops Experience using ticketing systems such as TrackIT, Remedy or ServiceNow ITIL 4 Foundations certification Microsoft Certified Solutions Associate (MCSA) Previous customer service experience Previous experience working with networks in secure environmentsSecurity Clearance Requirements: US Citizenship and Top-Secret clearance adjudicated within the last 6 years Willing to submit to a random polygraphPhysical 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. Constantly operates a computer and other office productivity machinery, such as copy machine and computer printer 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