ManTech is looking for a motivated, customer-oriented Senior Systems Administrator t o 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