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General information

Requisition #
R70003
Locations
USA-VA-Chantilly
Posting Date
08/13/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA.

Responsibilities include, but are not limited to:

  • Manage and lead the resources across the program areas to meet mission and vision requirements in the most efficient manner possible
  • Manage and track the tasks, projects, and priorities across multiple program areas
  • Create and present quality slide decks based on program areas for senior leadership presentation
  • Assist in the creation of fully developed project schedules utilizing the Enterprise Scheduling Service (ESS) platform built on Microsoft Project
  • Assist with creating quality briefing decks, to include detailed cost estimates, based on projects for senior leadership presentation
  • Coordinate the engineering, integration, and administration functions required to deliver capabilities and services to the enterprise 
  • Ensure that all aspects of the projects are completed and delivered according to the implementation plan and schedule
  • Manage incident/request ticket queues through ServiceNow and various ticket platforms
  • Coordinate and assign tasks in aiding the project engineers in testing and implementing future enhancements

Minimum Qualifications:

  • Bachelor’s degree or 4+ years of additional experience in lieu of degree.
  • 7+ years of cyber engineering or relevant cybersecurity experience.
  • Experience managing or leading small to medium sized teams supporting engineering operations
  • Experience with tools such as Jira, Confluence, MS Project, or similar project management and collaboration platforms
  • Proven experience as a Technical Project Manager or Engineering Manager with a willingness to directly contribute to technical execution when needed to help the team unblock challenges
  • Ability to demonstrate understanding and appropriate application of DoD/IC policy and technical security guidance to information systems
  • Must hold an active IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or have the ability to obtain it within 6 months of hire.

Preferred Qualifications:

  • Specific knowledge of security technologies such as vulnerability management, intrusion detection/prevention, log monitoring, and endpoint protection
  • Understanding or ability to learn the latest security principles, techniques, and protocols
  • Ability to function in a fast-paced environment and effectively manage multiple tasks simultaneously, coordinating resources and ensuring scheduled goals are met
  • HBSS Administrator 201, 301, 501 ePO Certificate
  • Risk Management Framework knowledge and experience
  • Ability to effectively interact with various levels of senior management as necessary to clearly articulate ideas for executive level and technical staff consumption


Clearance Requirements:

  • Must have a current and active TS/SCI with Polygraph.

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time.
  • The person in this position occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers.


The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.