ManTech Principal Cyber Security Engineer in Arlington, Virginia

Entering ManTech s 50th year, we hold the distinct honor of being named a “Top 100 Global Technology Company by Thomson Reuters. We have earned this and many other accolades over the years for our dedication to serving the missions of our nation s most important customers: U.S. Intelligence, Defense and Federal Civilian agencies. All know us as a trusted partner offering best-in-class solutions in cyber, data collection & analytics, enterprise IT, and systems and software engineering tailored to meet their specific requirements.

Become an integral part of a diverse team in the Mission, Cyber and Intelligence Solutions (MCIS) Group. Currently, ManTech is seeking a motivated, mission Cyber Security Engineer, in Crystal City, VA area, with strong Customer relationships. At ManTech, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

The IMS Division provides mission solutions to a wide range of Defense and Intelligence Community customers. This division consists of a team of technical leaders that deliver advanced technical solutions to government organizations. Our customers have high standards, are technically adept, and use our products daily to support their mission of protecting national security. Our contributions to our customer s success is driving our growth.

ManTech is looking for a motivated, team-oriented multi-disciplined Cyber Security Engineer working with an IT team of 10 that manages all aspects of the primary information system to include gathering requirements and designing and implementing secure system solutions for a Program Office in Arlington, VA. The existing Windows Server 2008/2012/2016 information systems are connected to CONUS sites from a central office. Candidates should have a solid to exceptional experience with Microsoft and VMware technology and have the willingness and ability to learn new Microsoft, VMware and associated technology. This team is part of a division of 300+ cleared personnel in the DC metro area. Numerous career growth opportunities and training opportunities exist with this position.

Responsibilities include but not limited to:

  • Provide expertise and direction in engineering secure technical solutions for the existing VMware ESXI 6 hosts with Windows Active Directory to include datacenter encryption solutions with RSA

  • Engineer, document, deliver and maintain the information solutions

  • Responsible with the team for the overall integration of a system including the planning, design, installation, maintenance, management and coordination of information systems with remote sites throughout CONUS

  • Recommend and implement system security solutions

  • Performing requirements analysis, design, and integration for the information system

  • Responsible for investigating and resolving operational problems in conjunction with other engineering and technical personnel

  • Diagnosing and resolving the complex performance, security, and/or technical challenges related to the platforms listed below

  • Providing IT Systems Engineering support on a wide range of technologies, including: Windows Server 2008/2012/2016 R2, Active Directory, MS Exchange, MS SQL, PKI, SAN and VMware vSphere 6 technologies

Position requirements:

  • DoD 8570 qualified; minimum IAT Level 2

  • VMware VCP6-DCV certification

  • Windows Server 2008/2012 MCSA or MCSE a plus

  • Knowledge of PKI a plus

  • Knowledge of SAN (3PAR) 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 CONUS travel

  • US Drivers License required

Security requirements:

Top Secret clearance required


Requires Bachelor's degree (in field mathematics, telecommunications, electrical engineering, computer engineering, computer science) or equivalent and seven to nine years related experience.


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For more than 40 years, ManTech employees have been solving complex problems for the national security community. We are comprised of approximately 10,000 talented employees around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than four decades ago, aligning squarely with the mission objectives of our customers. As our customer base continues to expand and diversify, we continue to diversify our workforce and solutions. Half our employees have a military background, and more than 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, space, and intelligence communities; we hold nearly 1,000 active contracts with more than 40 different government agencies.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Waretime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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