CNO System Administrator

ManTech

Hanover, MD Posted 9/3/2025 Full Time

MANTECH seeks a motivated, career and customer-orientedCNO System Administratorto join our team in theHanover, Maryland.

Responsibilities include, but are not limited to:

  • Develops and executes plans for new technologies to enhance security capabilities including, perimeter security protections, firewalls, proxies, load balancers, monitoring tools, and data analytics and analysis.
  • Provide support for implementation, troubleshooting, and maintenance of IT systems.
  • Provide Tier 1 problem identification, diagnosis, and resolution of problems.
  • Provide day to day systems support including maintenance, monitoring, and problem resolution.
  • Optimize system operations and resource utilization and perform system capacity analysis and planning.

Minimum Qualifications:

  • Bachelor’s Degree and 5+ years of system administration experience or 10+ years of experience without a degree.
  • Experience with VMWare ESXi and/or VMWare NSX
  • Security+ certification

PreferredQualifications:

  • Experience with Subversion/GIT
  • Knowledge of Atlassian Tools, such as Confluence, Jira, Bamboo, Crucible or similar
  • Ability to use MS Office
  • Ability to handle stress and work well under pressure
  • Strong Oral and Written Communication Skills
  • Strong Analytical, Critical Thinking Skills, and problem-solving skills

Security Clearance Requirements:

  • Active and current TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
JOB LOCATION:
Hanover, MD 21076

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