Senior Principal Systems Engineer

ManTech (


  Full Time   Employee   Contractor

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 Senior Principal Systems Engineer, you will be responsible for designing, implementing, and managing infrastructure services in a virtualized environment in a distributed IT environment.

Responsibilities include but not limited to:

  • Leading a team of virtualization engineers
  • Engineering, documenting, delivering and maintaining a VMware server infrastructure and supporting a virtualized desktop infrastructure in accordance with customer specifications and security guidelines
  • Engineering, documenting, and providing hardware recommendations for storage, compute, and networking components to support cloud environments
  • Engineering, documenting, and providing software recommendations for services, including Active Directory, DNS, DHCP, and PKI, to support the virtualized environment
  • Engineering, documenting, and providing recommendations for efficient management of the hardware, software, and services, supporting the virtualized environment, including the automation, cloud operations, and general movement towards Continuous Integration/Continuous Deployment (CI/CD) work streams
  • Development of capacity management plans and implementing tools and techniques to implement the capacity management plan
  • Experience in application virtualization, software packaging, automation scripting and across-the-wire enterprise system and application deployments is desired
  • Diagnosing and resolving the toughest performance, security, and/or technical challenges related to desktop support and deployments
  • Writing implementation and design documents describing how security features are implemented
  • Participating in processes throughout all phases of ITIL Service Lifecycle
  • Providing direction and guidance to less experienced Systems engineers
  • Responsibility for investigating and resolving operational problems in conjunction with other engineering and technical personnel
  • Providing IT Systems Engineering support on a wide range of technologies, including: Microsoft Exchange, Microsoft SharePoint, Microsoft Internet Information Services, Microsoft SQL Server, Service Now, Symantec Management Platform, Microsoft Office, Internet Explorer, Adobe Acrobat, InTrust, Lumension Endpoint Security, customer line-of-business applications, and others.
  • Working on project teams responsible for engineering and packaging releases to integrate within the customer's production IT environment

Position Requirements:

  • Requires Bachelor's degree or ten to twelve years of related experience. Knowledge of Server, Desktop and Application virtualization, networking, SANs, Microsoft Windows Systems and desktop and thin client hardware.
  • CISSP or equivalent required (must be at least DoD 8570 IAT Level III certified)
  • MCSE - Microsoft Certified System Engineer ? (2008 products or later) required
  • Enterprise virtualization experience with VMware certification (certifications beyond VCP preferred)
  • Capability to express project plans within Microsoft Project and management team members to complete the plans

Security Requirements:

Top Secret clearance required with SCI eligibility



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