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Senior Systems Administrator

2 months ago

San Diego, California, United States ManTech Full time
Job Summary

We are seeking a highly skilled Senior Systems Administrator to join our team at ManTech International Corporation. As a key member of our IT department, you will be responsible for maintaining and troubleshooting Windows servers and workstations, as well as performing system administrative support tasks.

Key Responsibilities
  • Maintain and troubleshoot Windows servers and workstations, both on-site and remote
  • Perform system administrative support tasks, including adding and removing users, installing software, and monitoring systems
  • Maintain domain controllers, file servers, application servers, and other cloud resources
  • Receive and triage customer incidents in the ticketing system
  • Log all tickets accurately in the ticketing system
  • Perform remote troubleshooting using diagnostic techniques
  • 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 for deployment
  • Coordinate equipment preparation and shipping, confirm customer receipt, and validate inventories
  • Perform remote site surveys and identify requirements for hardware and cabling
Requirements
  • 5+ years of related experience as a System Analyst/Administrator or similar role
  • Appropriate DoD 8570 Level II certification
  • Experience with network and patch management
  • Knowledge of system security, data backup/recovery, and network monitoring
  • Ability to troubleshoot and problem solve issues to resolution
  • Excellent customer interaction with a focus on positive service support
  • Excellent oral and written communication skills
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 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 CI 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.