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ManTech

Senior System Administrator

ManTech, Washington, District of Columbia, us, 20022


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