Senior Systems Administrator

5 days ago


Annapolis Junction, Maryland, United States ManTech Full time
Secure Our Nation, Ignite Your Future

At ManTech International Corporation, we're seeking a highly skilled Senior Systems Administrator to join our team in Fort Meade, MD. As a key member of our engineering and IT services team, you'll play a critical role in provisioning, managing, sustaining, innovating, modernizing, refreshing, reengineering, and securing the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.

Responsibilities:
  • Implement, troubleshoot, and maintain Information Technology (IT) systems.
  • Manage IT system infrastructure and related processes.
  • Provide day-to-day operations, monitoring, and problem resolution for client/server/storage/network devices.
  • Identify, diagnose, and resolve problems.
  • Configure and manage Windows operating systems and install/load operating system software.
  • Administer and secure network switching and routing devices.
  • Manage and maintain network security through access controls and path management.
  • Implement, troubleshoot IT systems.
Requirements:
  • Bachelor's degree in a technical discipline and 10 years of experience, or 15 years of related experience in lieu of degree.
  • Experience with implementing, troubleshooting IT systems, performing daily activities of configuration and operation of IT systems, providing Tier 2 problem identification, diagnosis, and resolution of problems, optimizing system operations and resource utilization, and performing system capacity analysis and planning.
  • Configuring and managing Windows operating systems and installing/loading operating system software.
  • Implementing operating systems enhancements improving reliability and performance.
  • Providing detailed analysis and feedback to customers.
Preferred Qualifications:
  • Experience with Windows Operating System (Server & Desktop), Exchange / Active Directory, basic network administration (Cisco routers/switches), Atlassian tool suite (e.g., JIRA, Confluence), working within a software development environment, and Agile methodology.
Security Clearance Requirements:
  • Currently hold an active TS/SCI with polygraph.

ManTech International Corporation is an equal opportunity employer and does not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.



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