Senior Info Security Engineer (ISSE)

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

ManTech is seeking a motivated, career and customer oriented Senior Information Systems Security Engineer (ISSE) to join our team in Washington, DC to provide support to our customer and to begin an exciting and rewarding career within ManTech. The selected candidate will ensure that cyber Security requirements are effectively integrated into Information Systems through purposeful Security engineering, design, development, and implementation. This position is a part of a team of 10+ IT and cyber Security professionals.

Responsibilities include, but are not limited to:

  • Define, plan, design, and evaluate Information Security Systems with the following:
  • Provide 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
  • Write implementation and design documents 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 5-7 years related experience; or Master?s degree with 3-5 years of experience
  • 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, NSX, and other VMware suite products a plus
  • Experience with assessment testing, RMF, Information assurance tools, DoD STIG, and vulnerability assessment a plus
  • DoD 8140 certification (IAT Level II, IAM level II or IASAE Level II) a plus
  • US valid drivers license

Security requirements:

US Citizenship required with a TS/SCI clearance



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