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Senior System Administrator

2 months ago

Laurel, Maryland, United States ManTech Full time

Secure Our Nation, Ignite Your Future

ManTech is seeking a highly motivated and customer-oriented Senior System Administrator to support the implementation, troubleshooting, and maintenance of IT systems. As a key member of our team, you will be responsible for managing IT system infrastructure and related processes.

Key Responsibilities:

  • Provide Tier 1 (Help Desk) problem identification, diagnosis, and resolution of problems.

  • Manage the daily activities of configuration and operation of IT systems.

  • Provide assistance to users in accessing and using IT systems.

  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems.

  • Support IT systems, including day-to-day operations, monitoring, and problem resolution for all client/server/storage/network devices, mobile devices, etc.

  • Support the escalation and communication of status to agency management and internal customers.

  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.

  • Analyze and resolve complex problems associated with server hardware, applications, and software integration.

  • Configure and manage UNIX and Windows operating systems, installs/loads operating systems software, troubleshoot, maintain integrity of, and configure network components, along with implementing operating systems enhancements to improve reliability and performance.

Basic Qualifications:

  • Bachelor's degree in a technical discipline from an accredited college or university. Five (5) years of additional related experience may be substituted for a degree.

  • 15 years' of related experience.

  • LINUX experience.

  • Kubernetes experience.

  • IAT Level I certification.

Security Clearance Requirements:

  • Current/Active TS/SCI with Polygraph.

Physical Requirements:

  • Sedentary work, speaking, standing, talking, walking, working with computers, working with data, working with numbers and figures, ability to handle stress & work under pressure, ability to use MS Office and a PC, analytical or critical thinking skills, leadership and listening skills, multi-tasking, ability, negotiating skills, oral & written communication skills, presentation skills, project management ability and skills, computer operating skills, and team building skills.