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Principal Engineer, Defense Technology and Systems

Remote / Online - Candidates ideally in
Warwick, Kent County, Rhode Island, 02888, USA
Listing for: Mantel Technologies
Remote/Work from Home position
Listed on 2025-12-09
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below

Career Opportunities with Mantel Technologies

A great place to work.

Current job opportunities are posted here as they become available.

Principal Engineer, Defense Technology and Systems

Company Identity: Mantel Technologies is a disruptive defense technology company. Our technologies enable every node within interoperable teams; consistently pushing tech to be more intelligent and less redundant. Our trusted customer relationships provide us the foresight to navigate shifting geopolitical realities.

Position Overview: We are looking for a Principal Engineer to lead and contribute to advanced concepts development with a primary objective of achieving product end points. More specifically, you’ll be tasked with driving technical advancement of capabilities and products focused on the intersection of squad-level performance and multi-domain interoperability. This role requires an established engineer with the ability to drive new technology development, primarily within the defense market.

You'll act as a Technical Lead, leveraging your defense market background to innovate, serve as a technical authority and expand our project portfolio.

Open to any of the following locations: Fort Collins, CO | Austin, TX | Rhode Island

Due to the nature of Mantel’s business, US Citizenship is required for this position. Candidates must be able to obtain and maintain a US Government security clearance. Candidates with current security clearances are preferred.

Responsibilities:

  • Lead and direct complex engineering and R&D initiatives as a Principal Engineer, guiding projects from ideation through advanced development
  • Apply deep technical expertise to solve challenging engineering problems and develop innovative, impactful solutions
  • Contribute significantly to program growth, identifying new technical opportunities and providing essential technical support for securing contracts
  • Collaborate with clients and stakeholders to align engineering solutions with their technical needs
  • Author comprehensive technical documentation, including detailed reports and proposals

What we are looking for in you:

  • Preferred:
    Advanced degree in a relevant engineering discipline (Aerospace, Chemical, Materials, Mechanical, Systems) with 12+ years of experience in a mission-focused, application-driven environment
  • Candidates without an advanced degree should have a minimum of 15 years’ experience in a mission-focused, application driven environment with a BS in a relevant engineering discipline (Aerospace, Chemical, Materials, Mechanical, Systems)
  • Systems-level thinker with strong engineering fundamentals that are complemented by critical thinking skills that have been honed for defense applications
  • Technical leadership and engineering ability to drive innovative technology/product development and solve complex problems in an R&D setting
  • Experience in end user- and stakeholder-driven solution development with a specific focus on delivering a solution
  • Strong communication skills, with the ability to articulate complex technical concepts to diverse internal and external audiences
  • Preferred

    Qualification:

    Interest in leading technical teams, providing guidance and mentorship to team members
  • Ability to obtain and maintain a US Government security clearance is required. Applicants with existing security clearances are preferred.
  • Willingness and ability to travel up to 15% time domestically.

In addition to competitive pay, we offer:

  • Comprehensive Wellness Package:
    Embrace peace of mind with our top-tier Healthcare Plan covering Medical, Dental, and Vision needs, ensuring you and your loved ones are cared for.
  • Future-Focused

    Financial Benefits:

    Secure your financial future with our 401(k) Plan, fortified with company contributions, empowering you to build wealth while you work.
  • Protection and Peace of Mind:
    Our robust suite of benefits includes Long-term and Short-term Disability, AD&D, and Life Insurance, safeguarding you against life's uncertainties, so you can focus on what matters most.
  • Embrace Work-Life Harmony:
    Enjoy the freedom to recharge and rejuvenate with our Generous PTO Policy, encouraging a healthy balance between work and life.
  • Energize Your Wellness…
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