New

Senior Mechanical Design Engineer?

Advantage Technical
$150,000.00-$160,000.00
401(k)

Nov 11, 2026
Senior Mechanical Design Engineer Location: Newington, NH Pay Rate: $150,000-$160,000/year + 6% bonus Schedule: Monday-Friday \| 8:00 AM-4:30 PM Position Type: Direct Hire \| Full-Time Take ownership of mechanical design for next-generation, high-reliability undersea technology. We're seeking an experienced Senior Mechanical Design Engineer to lead complex product development from early-stage concepts through testing, qualification, and manufacturing release. This is an excellent opportunity for an engineer who enjoys hands-on R&D, technical leadership, and solving challenging mechanical design problems. Job Duties Lead mechanical design of fiber trays, modules, enclosures, and system-level assemblies. Develop 3D CAD models, engineering drawings, and technical documentation. Perform mechanical, thermal, structural, and reliability analysis using FEA and modeling tools. Develop and execute shock, vibration, thermal, environmental, and qualification testing. Lead prototype assembly, testing, troubleshooting, design validation, DFMEA, and design reviews. Partner with electrical, optical, firmware, reliability, NPI, manufacturing, and supplier teams. Drive improvements in product reliability, manufacturability, performance, quality, and cost. Mentor junior engineers and provide technical leadership throughout the product lifecycle. Qualifications Bachelor's degree in Mechanical Engineering required; Master's degree preferred. 7+ years of mechanical engineering/product development experience. Strong background in high-reliability mechanical design, CAD, FEA, thermal modeling, and mechanical testing. Knowledge of materials, applied mechanics, failure modes, qualification testing, and DFMEA. Experience with high-voltage equipment and pressure vessel applications preferred. Strong technical leadership, problem-solving, and communication skills. Benefits Medical, dental, and vision 401(k) Retirement Savings Plans Health Savings Account (HSA) AD&D Insurance Benefits vary by client and are confirmed at the time of offer. Example offerings are listed above. Apply Now Ready to lead complex mechanical engineering projects and help develop technology built for demanding environments? Apply Now to take the next step in your engineering career. About Us Advantage Technical connects top- talent in technology, engineering, and technical fields with forward-looking companies. Advantage Technical is an equal opportunity employer. All applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other legally protected status. Advantage Technical offers reasonable accommodations for qualified individuals with disabilities; contact your local branch for inquiries. Advantage Technical is an E-Verify employer. See our Privacy Notice for Candidates and Employees/Contractors at https://smgroupna.com/privacy-notice-for-candidates-and-employees-contractors. By applying, you consent to receive AI-generated and non-AI-generated calls, texts, or emails from Staffmark Group, its affiliates, and partners. Frequency varies and message/data rates may apply. Reply STOP to cancel or HELP for help.