Senior System Administrator

2 days ago

Washington, Washington, D.C., United States ManTech Full time

Secure the Future of Our Nation

ManTech is seeking a highly motivated and customer-oriented Senior System Administrator to join our team in Washington, DC.

Key Responsibilities:

  • Maintain and troubleshoot Windows servers and workstations, both on-site and remotely
  • Perform Windows system administrative support, including 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

Required 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

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