
Mechanical Engineer (Senior)
Boxborough, MAJob$83–155K/yrSeen 4 days agoSeen in employer's feed 4 days ago
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Job overview
Ralliant’s Gems Setra is seeking a Senior Mechanical Engineer to own mechanical architecture and design for precision sensors used in HVAC and environmental monitoring. The role develops robust sensor components and assemblies, validates performance through analysis and testing, and collaborates with electrical, firmware, test, and manufacturing teams. It also provides technical leadership and supports new product introduction and sustaining engineering.
Skills & qualifications
Skills
Qualifications
Full job description
At Gems Setra, we design sensing solutions that protect critical environments—cleanrooms, hospitals, laboratories, data centers, and advanced HVAC systems that keep people safe and operations running flawlessly. Our mechanical sensor technologies enable precise control of pressure, airflow, temperature, and environmental conditions in the places that matter most.
We’re looking for a Senior Mechanical Engineer who is passionate about building innovative, robust, and highly reliable sensors for the next generation of HVAC and environmental monitoring platforms.
About the Role:
As a Senior Mechanical Engineer in our Critical Environments product team, you’ll own the mechanical architecture and design of precision sensors used to monitor pressure, flow, temperature, humidity, and air quality parameters in mission-critical spaces.
You will work cross-functionally to ensure our designs withstand demanding environmental conditions, integrate seamlessly with electronics and firmware, and exceed our customers’ expectations for accuracy, stability, and long-term reliability.
Essential Functions:
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Design and develop mechanical components and assemblies for HVAC and environmental monitoring sensors (pressure transducers, differential pressure sensors, flow sensors, IAQ/IEQ devices).
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Create detailed CAD models, drawings, GD&T, material specs, and tolerance analyses optimized for accuracy and manufacturability.
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Perform FEA and thermal analysis to validate mechanical robustness under HVAC-relevant conditions (airflow, vibration, humidity, thermal drift).
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Lead prototyping, environmental qualification, and reliability testing (pressure cycling, humidity/condensation testing, thermal shock, leak testing).
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Optimize sensor mechanical interfaces for easy installation in air ducts, cleanrooms, mechanical rooms, and building automation systems.
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Partner with Electrical, Firmware, Test Engineering, and Manufacturing on sensor integration and verification.
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Drive VAVE, cost reduction, and design improvements across the product lifecycle.
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Provide technical leadership, mentoring, and support for both NPI and sustaining engineering activities.
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Lead and participate in DFMEA for new and existing products
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Manage multiple small to medium sized engineering focused projects, including schedule and financial tracking
Education & Experience:
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Bachelor’s degree with 8+years or master’s degree with 5+ years of experience in Mechanical Engineering.
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Strong background in sensor design for HVAC, building automation, industrial, or environmental monitoring applications.
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Proficiency in SolidWorks, Creo, or equivalent CAD tools, including advanced mechanical design and GD&T.
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Experience designing housings and sensing structures using metals, polymers, elastomers, and environmental-grade materials.
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Strong understanding of thermal behavior, airflow dynamics, sealing, and environmental protection (IP ratings).
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Experience designing for manufacturing methods used in HVAC/environmental sensors: machined parts, injection-molded plastics, die-cast housings, welded/brazed sensing elements.
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Preferred: knowledge of differential pressure sensing, piezoresistive or capacitive elements, MEMS, and sensor packaging in harsh environments.
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A collaborative mindset, strong communication skills, and a passion for building high-performance, reliable sensing products.
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Ralliant Corporation Overview
Ralliant, originally part of Fortive, now stands as a bold, independent public company driving innovation at the forefront of precision technology. With a global footprint and a legacy of excellence, we empower engineers to bring next-generation breakthroughs to life — faster, smarter, and more reliably. Our high-performance instruments, sensors, and subsystems fuel mission-critical advancements across industries, enabling real-world impact where it matters most. At Ralliant we're building the future, together with those driven to push boundaries, solve complex problems, and leave a lasting mark on the world.
About Gems Setra
Gems Setra is a leading global supplier of sensing and monitoring technologies, operating within the Precision Technologies platform of Ralliant Corporation. Through our comprehensive portfolio of premium sensing products, we deliver solutions to customer problems and challenges. As two Fortive businesses merged in 2022, Gems Setra's vision is to connect our customers to their environment to create a safer, healthier, more sustainable world. Gems Sensors product offerings include a range of products that encompass liquid level, flow, and pressure sensors, miniature solenoid valves, proximity switches, and integrated fluid management solutions. The Setra Systems product line offers an extensive selection of high-quality sensing instruments for humidity, current, vacuum, energy, and pressure measurements. At the heart of our combined company's mission lies a shared dedication between Gems Sensors and Setra Systems to deliver high-quality sensing solutions, backed by reliable customer support on a global scale. As a part of Ralliant, we embrace a culture of innovation, driving progress and empowering advancements in the industries and customers we serve.
We Are an Equal Opportunity Employer. Ralliant Corporation and all Ralliant Companies are proud to be equal opportunity employers. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity or expression, or other characteristics protected by law. Ralliant and all Ralliant Companies are also committed to providing reasonable accommodations for applicants with disabilities. Individuals who need a reasonable accommodation because of a disability for any part of the employment application process, please contact us at [email protected].
Pay Range
The salary range for this position (in local currency) is 83,400.00 - 155,000.00
How this job compares
Set against the 1,723 open Mechanical Engineering jobs on Olive Jobs, counted October 29, 2026.
- Pay
- This posting$83–155K/yr
- Massachusetts median$109–187K/yr36 salary ranges
- US median$115–187K/yr830 salary ranges
This range's midpoint, $119K, is 20% below the Massachusetts median midpoint ($149K) — in the middle half of Mechanical Engineering salary ranges in Massachusetts.
- Openings
- Olive Jobs lists 60 open Mechanical Engineering jobs in Massachusetts and 1,723 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in Massachusetts
- GE Aerospace3 open
- MIT Lincoln Laboratory3 open
- Arup2 open
- Experience
- This posting asks for at least 5 years of experience; Mechanical Engineering postings that state a minimum ask for 5 years at the median (962 postings).
- Education
- 782 of the 1,723 open Mechanical Engineering jobs (45%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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