Mechanical Engineer (onsite)

Alloy Enterprises
Alloy Enterprises

Other Engineering

Marinette, WI, USA

USD 70k-90k / year

Posted on Jul 25, 2026

About Johnson Controls

Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.

For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.

Visit johnsoncontrols.com for more information and follow @Johnsoncontrols on social platforms.

What you will do

Johnson Controls is seeking a hands-on Mechanical Engineer to join our Special Hazards Fire Suppression New Product Introduction (NPI) team at our R&D facility in Marinette, WI. This role focuses on the design, development, testing, and certification of fire protection products for our Restaurant Suppression product portfolio. Responsibilities include development of mechanical hardware including concept generation, detailed design, prototyping, and design verification testing, regulatory approval testing, and launch support. This is an on-site position (not remote) and is not eligible for Visa sponsorship. Candidates must be commuting distance to Marinette, WI, or able to relocate.

How you will do it

  • Work with a team of passionate engineers, program managers, product line managers and other professionals to create world class life safety products.

  • Analyze high level market requirements to establish design direction.

  • Prepare design concept diagrams, detailed drawings, and specifications.

  • Analyze designs for feasibility, cost optimization, vibration tolerance, mechanical stress, fluid flow, heat transfer, and other parameters.

  • Direct and coordinate prototype efforts.

  • Plan and execute test programs; analyze test data to optimize designs.

  • Maintain a working knowledge of manufacturing methods; design products for manufacturing efficiency.

  • Maintain knowledge of industry technology trends.

  • Maintain knowledge of regulatory requirements and test standards.

  • Prepare and present reports and presentations.

What we look for

Required

  • Bachelor’s Degree in Mechanical Engineering

  • 0+ years of experience in mechanical engineering, mechanical product development, fire protection engineering, or a related technical discipline.

  • Able to apply fundamental engineering theories, mathematics, mechanics, and physical science concepts to the job.

  • Demonstrated ability to work in a team environment, good written and oral communications skills, flexibility and adaptability to changing situations.

  • Ability to write reports and convey detailed technical information.

Preferred

  • Familiarity with DFMEA (design failure mode and effect analysis) and DFAM (design for assembly and manufacturing)

  • Experience with phase-gate design processes

  • Ability for occasional travel

  • Proficiency of MSOffice, PTC Creo and Windchill

HIRING SALARY RANGE: $70,000 - $90,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us

Johnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visit EEO is the Law. If you are an individual with a disability and you require an accommodation during the application process, please visit here.