Senior Mechanical Engineer
aerospace/defense
Senior Mechanical Engineer
Location: Brentwood, NY
Position Overview
We are seeking a hands-on Mechanical Engineer to support the design, analysis, development, and testing of complex electromechanical products and mechanisms. This role is ideal for an engineer with strong mechanical design fundamentals who enjoys working from concept through prototype development, performing engineering analysis, and collaborating with cross-functional teams to solve challenging design problems.
The successful candidate will be responsible for developing mechanical components and mechanisms, performing structural and thermal analysis, evaluating tolerances, and supporting prototype builds and testing. This engineer will work closely with internal customers, electrical engineers, systems engineers, and manufacturing teams to ensure designs meet functional, performance, and reliability requirements.
Key Responsibilities
- Design and develop mechanical components, assemblies, and mechanisms for complex electromechanical products.
- Create and maintain 3D models, detailed engineering drawings, and mechanical design documentation using Creo and/or SolidWorks .
- Perform engineering analysis, including finite element analysis (FEA), structural analysis, thermal analysis, and tolerance stack-up analysis.
- Evaluate mechanical designs for fit, form, function, manufacturability, and performance under applicable operating conditions.
- Collaborate with electrical, systems, manufacturing, and other engineering teams to integrate mechanical designs into larger electromechanical systems.
- Work directly with internal customers and cross-functional stakeholders to understand requirements, resolve design challenges, and deliver effective engineering solutions.
- Support prototype builds, assembly activities, design verification, and product testing.
- Troubleshoot mechanical issues identified during builds and testing, recommend corrective actions, and implement design improvements.
- Design and develop custom fixtures, tooling, and test hardware to support assembly, integration, and validation activities.
- Review test results and engineering data to verify design performance and identify opportunities for improvement.
- Participate in design reviews and contribute to technical decisions throughout the product development lifecycle.
- Maintain accurate engineering documentation, drawings, and analysis reports.
Required Qualifications
- Bachelor's degree in Mechanical Engineering or a related engineering discipline.
- Experience designing mechanical components, assemblies, or mechanisms for electromechanical products.
- Proficiency with Creo and/or SolidWorks for 3D modeling, assemblies, and engineering drawings.
- Experience with FEA and mechanical engineering analysis, including structural, thermal, and tolerance analysis.
- Ability to interpret engineering requirements and translate them into practical mechanical designs.
- Experience supporting prototype builds, testing, troubleshooting, and design verification.
- Experience designing fixtures, tooling, or test equipment.
- Strong understanding of mechanical design principles, materials, tolerances, and assembly methods.
- Excellent problem-solving skills and the ability to collaborate effectively with multidisciplinary engineering teams.
- Strong written and verbal communication skills.
- ...growth phase at this very well-established Long Island manufacturer and they are currently looking for a highly talented Senior Mechanical Engineer to join their team. You won't want to miss out on this opportunity to jump on board with an employer that really knows how...SeniorLocal area
$125k - $130k
...shine. Whether you're creative, strategic, persuasive, or mechanically inclined, there’s a place for you here. Be a problem-... ...? Keep reading. Modern Packaging is seeking a talented Senior Mechanical Design Engineer to lead the mechanical development, redesign, and...SeniorFull timeTemporary workLocal area- ...Collaborate with Project Managers and Laser Engineers to design and optimize optomechanics... ...errors Other duties as assigned Mechanical Engineer Skills M.S. or Ph.D. in Mechanical... ...prioritization and project development skills Seniority level Mid-Senior level Employment type...SeniorFull time
- Sr. Mechanical Design EngineerJob Order ID:11600Employment Type:PermanentSalary:$120000-150000/YrWeb Publication Date:7/14/2026Job Location... ...of the job is to execute assigned design work to support engineering project activity. Responsibilities include the conceptual...Senior
$120k - $160k
...Group, a well-established multi-discipline engineering, architecture, and environmental... ...compliance. We are seeking an experienced Senior Project Engineer to join our team at our... ...implementation, and administration of complex mechanical, HVAC, plumbing, and fire protection...SeniorFor contractorsWork at officeLocal area- ...PlacementSalary$115,000-$130,000 / yearLeading Long Island electronics manufacturer has an exciting career opportunity for a Senior Mechanical Engineer. This is an opportunity you won't want to miss out on as it comes with incredible perks that few companies can match. If...SeniorLocal area
$115k - $128k
...s about each person bringing skills and passion to a challenging and constantly changing world. About the role The Senior Mechanical Engineer is responsible for the design, development and testing of all aspects of complicated mechanical components, systems and equipment...Senior$125k - $140k
...Position Summary Sr. Mechanical Design Engineer will perform mechanical design of RF and microwave components and equipment such as connectorized products, surface mount and plug in products and is required to use innovative skills and design software, i.e. AutoCAD...SeniorPermanent employmentFor subcontractorWork at officeNight shift$130k - $160k
...Compensation may vary based on applicant's work experience, education level, skill set, and/or location. Job Purpose As a Senior Mechanical Engineer professional, you will lead, organize and contribute to the design and development activities of batteries, chargers and...SeniorTemporary workWork experience placementLocal areaWorldwide- Mechanical / Manufacturing Engineer - Aerospace (Hauppauge, NY)Salary: Open / DOE | Full-Time | On-SiteA growing aerospace engineering and manufacturing company in Hauppauge, NY is seeking a Mechanical or Manufacturing Engineer with direct aerospace manufacturing experience...Full time
$115k - $130k
...Senior Mechanical Engineer We are seeking a Senior Mechanical Engineer to join a growing engineering team responsible for the design, development, analysis, and validation of innovative electro-mechanical products. This position offers the opportunity to work...SeniorPermanent employmentFlexible hoursDay shift$95k - $115k
...Twinco Mfg. Co., Inc. is a leading manufacturer of a wide variety of railroad signal equipment seeking a Mechanical Engineer to support continued expansion of our product lines. In this role, you will be responsible for designing, analyzing, and documenting mechanical...Full timeFlexible hours$105k - $135k
...power progress.About the Role:You will play a crucial role in engineering and technology projects from concept through prototype... ...cross-functional teams. You will leverage expertise in thermo-mechanical design, electromechanical components, materials, and fabrication...Full timeRelocation package$90k - $110k
...We are seeking a Mechanical Engineer to support continued expansion of our product lines. In this role, you will be responsible for designing, analyzing, and documenting mechanical systems and components to meet project specifications; this will be accomplished through...Temporary workWork experience placementShift work$45 - $60 per hour
...Senior Mechanical Engineer Location: Hauppauge, NY (Onsite) Schedule: 9/80 Work Schedule (Enjoy Every Other Friday Off) An award-winning engineering services company is seeking a Senior Mechanical Engineer to join its growing team in Hauppauge, NY. This is an exciting...Contract workTemporary workCasual work$107.1k - $160.7k
...the world’s leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists,... ...ExperienceBachelor's Degree Engineering with an emphasis in Mechanical, Electrical or Chemical Engineering is preferred, or appropriate...SeniorFull timeTemporary workPart timeCasual workWork at officeLocal areaImmediate startFlexible hours$110k - $130k
...skill set. Learn More About EAS Job Purpose The Senior Manufacturing Engineer at Bren-Tronics, part of EnerSys and manufacture of advanced... .... Qualifications ~ Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Electrical Engineering...SeniorPermanent employmentTemporary workWork experience placementLocal areaFlexible hours$70k - $90k
...Mechanical Engineer EnerSys Advanced Systems (EAS) is a specialized division of EnerSysa global leader in stored energy solutions for industrial applications. EAS focuses on cutting-edge energy solutions for the aerospace, defense, and medical industries. As we continue...Permanent employmentTemporary workLocal areaFlexible hours- Ready to put your mechanical engineering talent to work on heavy-duty, high-impact systems? In this role, you won't just be pushing pixels—you’ll be designing, modeling, and testing vital mechanical components and assemblies from concept through production. With a culture...Permanent employmentTemporary workWork experience placementWork at officeFlexible hoursShift work
- ...exploration through innovation in propulsion, structures, and sustainable launch systems. The Role: We are seeking a Mechanical Engineer to contribute to the design, development, and transition of mechanical components and systems from development through production...Temporary work
- ...FlexStaff is hiring an Opto-Mechanical Product Engineer for our client, an aerospace and industrial manufacturing company located in Deer Park... ...experience is preferred. What You’ll Do: Partner with senior engineering staff to learn existing optical systems,...Permanent employmentFull time
$100k - $160k
DescriptionKforce's client is a well-established, middle-tier full-service CPA firm located on beautiful Long Island, NY is seeking a Tax Senior and Tax Manager to their growing tax department.Summary:The Tax Senior and Tax Manager will service diverse clientele, handling tax...SeniorWork from home- King O’Rourke Cadillac Buick GMC on Route 347 in Smithtown, NY seeks an experienced Body Shop Manager for a high-volume, family-owned shop. This role offers strong pay and a comprehensive benefits package and opportunities for long-term career growth. The successful candidate...Senior
$155k - $215k
...colleagues to redefine markets and shape the future of our communities. This is a Lead Infrastructure Production Management & Reliability Engineering position at the Vice President level, which is part of the job family responsible for maintaining the stability and reliability...SeniorTemporary work- ...Senior Accountant in Hauppauge, Long Island, NY Anna Parson at Robert Half is working with a large, well established manufacturing organization seeking a sharp Senior Accountant with large, corporate manufacturing/distribution industry experience to join its corporate...SeniorFull timeImmediate start
$106k - $142k
...Embedded Senior Software Engineer Location: Hauppauge, NY | Work: 100% Onsite | Salary: $106K–$142K + 12.5% Bonus Type: Direct Hire/ Full time Job Summary: Seeking a senior embedded software engineer with 5+ years of experience developing embedded...SeniorFull time- Turtle and Hughes in Commack, NY is seeking a Warehouse Manager to lead the warehouse team, oversee receiving, storage, picking, and shipping, and ensure accuracy, safety, and efficiency in daily operations. You will drive productivity, enforce SOPs, and collaborate with...Senior
$102k - $138k
DescriptionKforce has a client in Hauppauge, NY that is seeking a Tax Manager/Tax Senior. Summary: Due to rapid growth, Kforce's client, a Long Island based CPA firm which specializes in High Net Worth and family office clients, is seeking a Tax Manager and a Tax Senior...SeniorWork at officeFlexible hours- ...Senior Cnc Machinist We are seeking an experienced Senior CNC Machinist to join our manufacturing team. The ideal candidate is a highly skilled machinist who can independently set up, program, operate, and troubleshoot CNC equipment while producing high-quality, close...Senior
$90k - $140k
...Description: We are seeking a hands-on Automation & Controls Engineer to support, troubleshoot, and improve a wide range of... ...regulated pharmaceutical environment. This role is ideal for mechanically inclined problem-solvers who enjoy being on the production floor...Full timeContract workImmediate startMonday to Friday
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!





