Senior Systems Engineer

ManTech (


  full-time   employee   contract

United States

Become an integral part of a diverse team that leads the world in Mission, Cyber, and Technology Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

As a Senior Systems Engineer, you will perform system engineering functions for the Windows-based and Linux-based platforms, Active Directory, VMware, Public Key Infrastructure, VDI, security engineering, performance monitoring and the process optimization through automation to support a WAN infrastructure.

Responsibilities include but not limited to:

  • Write and maintain scripts in visual basic, PowerShell, JavaScript, and other automation frameworks
    Support automated test creation initiatives
  • Analyze system faults, troubleshoot, and run diagnostic test on operating system and hardware to detect problems.
  • Evaluate and install developed software during various phases of testing.
  • Review and prepare documentation for Systems and tests capable of installing and required software.
  • Initiate preventive maintenance on the operation system as well as be capable of repairing system/environment problems.
  • Develop the procedures and be capable of executing existing and developed procedures in order to maintain compliance with mandates and/or vendor-released patches and upgrades.
  • Troubleshoot of system performance and make system modifications to accommodate hardware upgrades.
  • Secure applications based on applicable government security policies, such as Risk Management Framework, DoD Joint Security Implementation Guide (DJSIG)
  • Complete RMF documentation artifacts including SCTMs, test plans, requirements matrices, compliance reports, STiG checklists, vulnerability mitigation reports, CONOPS, configuration guides, and other documentation as required.

Position Requirements:

  • Requires Bachelor's degree and 5-7 years of related experience.
  • Knowledge of Microsoft Windows Systems, HP SANs, VMware products.
  • Security+CE or DoD 8140 Certification required
  • ITIL v3.0 or Foundation Certifications highly desired
  • One of the following certifications is preferred: MCSE - Microsoft Certified System Engineer, MCSE - Microsoft Certified Solutions Expert, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional

Security Requirements:
U.S. Citizenship, an active DoD Top Secret clearance



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