Senior Principal Information Security Engineer (ISSE) - Military veterans preferred

ManTech (


  full-time   employee   contract


United States

ManTech is seeking a motivated, mission oriented Senior Principal Information Security Engineer in the Washington, DC area, with strong customer relationships.

Are you ready for a challenge and ability to use some of the newest and best cyber security and information technology tools available in the industry? Join an elite cyber security team using state-of-the-art tools supporting a great DoD customer in a cutting edge system/network development environment! Looking for go-getters only for an experienced team who push the envelope for cyber security and information assurance excellence. Using the leading industry technology (Splunk, VMware, scanning tools, engineering SW, etc) and RMF, be one of the go-to team members to conduct cyber security engineering for monitoring, analysis, assessment, and operations! Located in Washington, DC.

Responsibilities include, but are not limited to:

  • Define, plan, design, and evaluate information security systems with the following:
  • Serve as technical SME and a team lead for creating security engineering solutions for and implement Risk Management Framework (RMF) security controls Perform requirements analysis, design, and integration for complex software applications and collaboration infrastructures
  • Conduct assessment testing and reporting in accordance with the RMF and NIST 800-53; identifies deficiencies (POA&M) and provides recommendations for solutions
  • Participate in the change management process, and assess security impact of proposed changes
  • Prepare security plans, conducts Continuous Monitoring, and prepares RMF paperwork to ensure all systems’ ATOs are maintained
  • Write implementation and design documents with test plans describing how security features are implemented

Position Requirements:

  • Design and implement an encryption solution for workstations and the datacenter environment
  • Design and implement a two-factor authentication solution for general and privileged users
  • Requires Bachelor’s degree or equivalent in the fields of mathematics, telecommunications, electrical engineering, computer engineering, or computer science and 10 -13 years related experience; or Master’s degree with 7-9 years of experience
  • Requires CISSP or CISM; DoD 8140 certification (IAT LEVEL III)
  • Requires Splunk Certification
  • Desired MCSE, VCP-DV, or other applicable OS certification
  • Experience implementing and engineering encryption and/or key management solutions Must possess excellent analytical skills and be capable of quantifying risk to enterprise systems and level of compliance with security policy
  • Experience with modern Microsoft and VMware technologies IT system engineering background with experience in VMware and Windows technology Experience in engineering secure VMware technology including the following: vSphere, vRealize, vSAN, VDI, other VMware suite products, Juniper with other products being a plus
  • Experience with assessment testing, RMF, information assurance tools, DoD STIG, and vulnerability assessment ACAS experience Splunk Experience
  • Experience implementing multi-factor authentication
  • US valid drivers license

Security Clearance requirements:
US Citizenship required with a TS clearance