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Principal Mechanical Engineer

Job in Fort Walton Beach, Okaloosa County, Florida, 32549, USA
Listing for: Modern Technology Solutions, Inc. (MTSI)
Full Time position
Listed on 2026-09-14
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics, Mechanical Engineer, Test Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 160000 USD Yearly USD 120000.00 160000.00 YEAR
Job Description & How to Apply Below

Overview

Modern Technology Solutions, Inc. (MTSI) is seeking a Principal Small UAS (sUAS) Mechanical Engineer to join our team at Hurlburt Field, Florida. Qualified candidates must be U.S. citizens with a TS/SCI clearance. The successful candidate will provide mechanical engineering expertise on a multidisciplinary team responsible for developing, integrating, and transitioning multiple different technologies for the Government Team Lead. In addition, the individual will apply MIL-HDBK-516 criteria to subsystem design and test, have a working knowledge of military airworthiness process, understand and apply compliance mapping and provide systems engineering evaluation, verification and validation of subsystems.

Anticipate up to 15% travel, with surge periods of greater travel, primarily in CONUS.

Overview

Modern Technology Solutions, Inc. (MTSI) is seeking a Principal Small UAS (sUAS) Mechanical Engineer to join our team at Hurlburt Field, Florida. Qualified candidates must be U.S. citizens with a TS/SCI clearance. The successful candidate will provide mechanical engineering expertise on a multidisciplinary team responsible for developing, integrating, and transitioning multiple different technologies for the Government Team Lead. In addition, the individual will apply MIL-HDBK-516 criteria to subsystem design and test, have a working knowledge of military airworthiness process, understand and apply compliance mapping and provide systems engineering evaluation, verification and validation of subsystems.

Anticipate up to 15% travel, with surge periods of greater travel, primarily in CONUS.

You will be a great fit for this role if:
  • You have a passion for aerospace, defense, special operations, and advanced technologies.
  • You understand the urgent need to modernize our defense systems and give our warfighters the best possible tools.
  • Paying attention to detail and providing excellent customer service in a professional environment is a skill you excel at.
  • You are passionate about continuous learning and growth, and you seek opportunities to challenge yourself.
  • You are driven to make a meaningful impact through your work.
Responsibilities
  • Participate in key engineering integration meetings:
  • Milestone design and technical reviews
  • Team Lead Meetings o Material Improvement Program Review Boards
  • Engineering and Crew Station Working Groups
  • Lead System Engineer Technical Engagements
  • Integrated Test Team Meetings
  • Support on-aircraft engineering integration activities:
  • On-aircraft integration and engineering test build events
  • Knock down administrative and engineering barriers
  • Raise issues to technical and programmatic POCs and/or leadership for decision/action
  • Plan and schedule resources to support integration and test
  • Report on status of ongoing integration and test
  • Understanding of airworthiness criteria.
  • Conduct and support root cause analysis with enterprise stakeholders
  • Contribute to systems engineering activities including requirements definition, architecture development, integration, and verification.
  • Participate in platform integration and testing and verification of subsystems for performance and functionality.
  • Lead and support Government and industry teams through technical planning, design reviews, test reviews, and technical assessments.
  • Develop and deliver technical briefings to a wide range of audiences, including senior technical and leadership stakeholders.
  • Collaborate with U.S. Government and industry partner organizations to support joint mission capability development.
  • Promote efficiency, agility, and traceability in fast-paced engineering environments.
  • Lead integration of new, legacy, and GOTs hardware and software.
  • Manage system requirements and derived requirements to ensure the delivery of systems compatible with defined system architectures.
  • Support the resolution of action items from Configuration Control Board (CCB) meetings, design reviews, program reviews, and test reviews that require cross-discipline coordination.
  • Develop the methods, processes, and evaluation criteria by which the systems, subsystems, and work products are verified against their requirements.
Required Qualifications
  • Exceptional integrity, professionalism, and a commitment to MTSI’s core values.
  • Minimum 8+ years of industry or government experience demonstrating and practicing knowledge, skills, and abilities in Mechanical or Aeronautical Engineering.
  • Experience with a mix of core mechanical engineering fundamentals, to include:
  • Mechanical design (modeling, tolerance…
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