Tau Six, an agile small company delivering cutting edge cybersecurity and systems integration services to the US National Security market, has an immediate need for two (2) Principal IT Systems Engineers for a Department of Defense customer. In this role you have the opportunity to work with a cross-functional team in multiple technical areas to include operations, engineering, security, and systems development to deliver secure solutions to our national security customers.

We seek a motivated, customer-oriented professional with experience in implementing, operating, and supporting secure Microsoft Windows based information systems to join a team of engineers and administrators supporting a worldwide DoD enterprise IT network.

CLEARANCE REQUIRED: Active Top Secret US Government clearance


  • Provide Tier 3 IT Systems support on a wide range of technologies, including: VMware vCenter, Horizon View, Site Recovery Manager, HPAC Secure Printing, HP Blade Servers, HP SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems.
  • Experience with Microsoft Windows 2008/2012/2016 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere, Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP; experience with deploying workstation images; and experience with thin and/or zero clients.
  • Diagnosing and resolving performance, security, and/or technical challenges related to the platforms listed above.
  • Authoring Standard Operating Procedures (SOPs) to accomplish repetitive tasks.
  • Participating in processes throughout all phases of the ITIL Service Lifecycle.
  • Performing requirements analysis, requirements gathering, and integration for all platforms listed above.
  • Providing technical guidance to less-experienced IT Systems Engineers.
  • Investigating and resolving operational problems in conjunction with other engineering and technical personnel.
  • Working on project teams responsible for engineering and packaging releases to integrate within the customer’s production IT environment.


  • Requires Bachelor’s degree and 7+ years of related experience.
  • DoD 8140 certification required (IAT Level II).
  • Computing environment certification required within 6 months of hire. MCSA, VCP, or equivalent.
  • Knowledge of Microsoft Windows Systems, HP SANs, VMware products.
  • Must be open to up to 10% travel.
  • Willingness to occasionally work after normal duty hours (nights and weekends) to support system maintenance or service outages.

Preferred Qualifications

  • ITIL Foundations certification.
  • Experience with scripting and automation tools.

Security Requirements

  • Active Top Secret clearance adjudicated within the last 6 years (or enrollment in Continuous Evaluation).
  • Must be open to selection for random counterintelligence polygraph.