Senior Principal Mechanical Systems Engineer

Build What’s Next in Aerospace

For nearly a century, Simmonds Precision has been helping shape the future of flight from our home in Vergennes, Vermont. Today, our technologies are trusted across hundreds of commercial and military aircraft platforms worldwide, helping aircraft operate safely, reliably, and efficiently.

At Simmonds Precision, we design and manufacture advanced sensing, monitoring, fuel management, and precision control technologies that solve some of aerospace’s most demanding challenges. Behind every solution is a team of talented people who bring together engineering expertise, advanced manufacturing, craftsmanship, and a drive to innovate.

When you join Simmonds Precision, you’re not just taking the next step in your career, you’re contributing to technology that takes flight around the world. Whether your expertise is in engineering, manufacturing, quality, operations, or business support, there’s an opportunity to make your mark.

Find your next opportunity where precision meets possibility - and build your career in aerospace with Simmonds Precision.

Simmonds Precision is seeking a Senior Principal Mechanical Systems Engineer to join our Motion Controls business unit, a leader in high power density Control Actuation Systems for military and aerospace applications. In this role, you will shape next‑generation actuation capabilities, drive technical execution across complex electromechanical systems, and serve as a key influencer of product strategy.

Key Responsibilities

• Provide technical leadership across multi-disciplinary engineering teams with responsibility for cost, schedule, and technical performance
• Partner with the Engineering Director to shape product strategy, technology roadmaps, and long‑term system architecture approaches
• Ensure engineering rigor and technical integrity throughout development, verification, and production
• Technical point of contact with senior customer counterparts, internal program management, and engineering leadership
• Influence and align internal and external customers on the technical capabilities, requirements, and technical risks and opportunities
• Support the capture of new business and influence technical and product line roadmaps, ensuring they are reflected in program planning and execution
• Lead introduction of system upgrades and incremental capability improvements
• Drive solutions to improve yield for current production equipment
• Provide mentorship, technical training, and guidance across engineering disciplines
• Prepare clear, concise technical and programmatic reports to enable informed decision‑making at leadership levels
• Formulate strategies that balance complex user requirements with schedule and budget constraints
• This position requires travel up to 20% of the time

Required Qualifications

• Bachelor’s or advanced degree in science, technology, engineering, or mathematics (STEM) and a minimum of 12+ years of relevant experience
• Expertise in design and verification of electro-mechanical actuation systems
• Demonstrated ability to lead engineering teams and successfully drive execution plans
• Experience in strategic planning, customer engagement, and contract capture
• Proven capability managing cost, schedule, and technical performance in dynamic, multi‑stakeholder environments
• U.S. citizenship required

Preferred Qualifications

• A strong desire to work closely in a team environment to make a difference
• Demonstrated mentoring capability across multi‑disciplinary teams.
• Hands‑on experience designing aerospace electromechanical control actuation systems, including ball screws, gear trains, bearings, BLDC and brushed DC motors, and control algorithms
• Self-driven leadership style with adaptability across varying assignments
• Experience with Risk & Opportunity Management
• Advanced problem‑solving skills and skill in communicating complex technical concepts to varied audiences
• Excellent communication, technical writing, oral presentation, and interpersonal skills
• Demonstrated experience across the product lifecycle, including concept development, architecture, design, integration, verification, and production
• Proven ability to develop effective internal and external customer relationships to ensure customer satisfaction and mission success

Why Join Simmonds Precision?

At Simmonds Precision, you won't just be filling a position, you'll be developing skills in an industry where precision matters. You'll have the opportunity to learn from experienced professionals, gain hands-on manufacturing experience, and contribute to products used in demanding aerospace applications.

Compensation & Benefits

Great work deserves great rewards - and benefits that support you both at work and beyond. Our comprehensive total rewards package is designed to help you stay healthy, build financial security, enjoy time away from work, and continue growing throughout your career.

• Health & Wellness: Take care of yourself and your family with comprehensive medical, dental, and vision coverage, HSA and FSA options, and convenient access to an onsite cafeteria and fitness center.
• Invest in Your Future: Enjoy competitive pay, an annual bonus opportunity, and a 401(k)-retirement plan that includes up to a 4% company match plus an additional annual employer contribution starting at 3%. Company-paid life and disability insurance provide additional financial protection and peace of mind.
• Time to Recharge: We believe time away from work matters. Enjoy four weeks of vacation, plus five additional paid days during our annual holiday shutdown, paid sick leave, and paid maternity and paternity leave - giving you more time for the moments that matter.
• Grow Your Career: Keep building your skills and advancing your career with up to $20,000 in annual tuition reimbursement, along with ongoing professional development and learning opportunities.
• Benefits Beyond the Basics: Choose from additional programs designed to make life a little easier, including supplemental insurance, an Employee Assistance Program (EAP), legal services, identity theft protection, discounted auto and home insurance, and pet insurance.

Your career is more than a paycheck. Join a company that invests in your health, your future, your growth, and your life outside of work.