Principal 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.

ManTech is looking for a motivated, team-oriented multi-disciplined Principal Systems/Network Engineer on a small one-stop shop IT team, gathering requirements and designing and implementing secure system solutions for a Program Office operating out of Washington, DC. The existing Windows Server 2008/2012 information systems are connected to CONUS and OCONUS sites from a central office.

Responsibilities include but not limited to:

  • Provide expertise and direction in engineering secure technical solutions for the existing Information System
  • Engineer, document, deliver and maintain the information solutions
  • Responsible with the team for the overall integration of a total network (red and black) including the planning, design, installation, maintenance, management and coordination of information systems with remote sites throughout CONUS and OCONUS
  • Recommend and implement system and network security solutions
  • Perform requirements analysis, design, and integration for the information system to include network engineering
    Implement and manage network monitoring tecnology
  • Responsible for investigating and resolving operational problems in conjunction with other engineering and technical personnel
    Diagnose and resolve the complex performance, security, and/or technical challenges related to the platforms listed below
  • CONUS and OCONUS travel is required as is the ability to obtain and maintain a valid passport
  • Provide IT Systems Engineering support on a wide range of technologies, including: Windows Server 2008/2012 R2, Active Directory, Cisco and VMware technologies

Position requirements:

  • Requires Bachelors degree (in Computer Science, Math, Electrical Engineering or related field) and seven to nine years of related experience.
  • DoD 8570 qualified; minimum IAT Level 2 required
  • VMware VCP6-DCV certification required
  • Windows Server 2008/2012 MCSA or MCSE a plus
  • CCNA Voice certification required
  • Knowledge of PKI a plus
  • Knowledge of SAN technology a plus
  • Risk Management Framework experience is a plus
  • Must be able to lift up to 20 lbs.
  • Must be open to up to 10% annual travel
  • Valid Drivers License

Security Requirements:
US Citizenship and an active Top Secret clearance required



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