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General information

Requisition #
R60669
Locations
USA-WV-Clarksburg
Posting Date
05/27/2025
Security Clearance Required
Top Secret
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Transform the future of federal services with ManTech! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with ManTech!

ManTech seeks a motivated, career and customer-oriented Senior Systems Administrator to join our team in Clarksburg WV.

Responsibilities include, but are not limited to:

  • Manage and mentor junior administrators on application management best practices and providing technical support.
  • Evaluate and recommend network hardware and software vendors and install, upgrade, patch, and configure complex applications across the organization.
  • Monitor application performance, identifying bottlenecks, and implementing tuning strategies to maintain optimal user experience.
  • Diagnose and resolve intricate application problems, including integration issues, data inconsistencies, and security breaches.
  • Implement and enforce application security policies, manage user access controls, and monitor for potential security threats and forecast future application needs, scaling infrastructure to accommodate growing demands.
  • Collaborate with business stakeholders to understand application requirements and align system functionality with business objectives.
  • Ensure applications adhere to relevant industry regulations and compliance standards and lead the response to application-related outages or critical incidents.

Minimum Qualifications:        

  • Requires a Bachelor’s degree (in Computer Science, Management Information Systems or related field) or equivalent and 7 years of relevant work experience OR 13 years of relevant work experience with no degree.
  • Extensive experience with enterprise licensing and monitoring applications (Riverbed, Splunk, Cisco Prime/Catalyst Center) relevant to the organization.
  • Expertise in scripting and automation tools for system administration tasks.
  • Strong problem-solving and analytical abilities.
  • Excellent communication and collaboration skills to work with diverse teams. Proven track record of managing complex application environments.
  • Experience working in an Agile organization using Scrum, XP, Kanban, and SAFe.
  • Deep understanding of application architectures and technologies (e.g., databases, web servers, middleware).

Security Clearance Requirements:

  • Must be a US citizen with a current/active Top Secret clearance.

Physical Requirements:

  • Must be able to remain in a stationary position more than 50% of the time.
  • Constantly operates a computer.
  • Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.


ManTech International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with ManTech, please email us at careers@mantech.com and provide your name and contact information.