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 hiring! The Senior Mechanical Engineer is responsible for mechanical analysis, detailed design, subsystem integration, and overall mechanical performance of HVAC equipment. This role supports new product development, sustaining engineering, prototyping, laboratory validation, and manufacturing execution across air handling, fan coil, and VAV platforms.
In this position, you will work closely with cross-functional teams—including electrical, controls, test laboratory, compliance, sourcing, manufacturing, service, applications, and marketing—to deliver market-leading, safe, compliant, serviceable, and cost-effective HVAC products. You will provide technical leadership on complex mechanical designs and serve as a subject-matter expert for assigned products or subsystems. Candidates must be commuting distance to Largo, FL, since this is an onsite position. For candidates that are able to relocate, we offer various relocation packages.
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How You Will Do It
Perform mechanical analysis and design of HVAC units, components, and assemblies, including sheet-metal, insulation, fans, motors, heat exchangers and piping packages.
Develop innovative mechanical solutions for custom and configured equipment based on customer requirements, performance targets, and regulatory constraints.
Execute design improvements to optimize manufacturability, serviceability, performance, and product quality.
Take ownership of assigned products or subsystems and provide technical leadership throughout the product lifecycle.
Use SolidWorks, AutoCAD, and related tools to create and maintain 3D models, drawings, DXFs, and assemblies.
Create and maintain accurate assembly bills of material (BOMs), including raw materials, fabricated parts, and purchased components.
Develop and maintain engineering standards, design guides, submittal documents, and technical specifications.
Support configurable product platforms by developing and maintaining design rules and logic used in dynamic BOM generation.
Collaborate with manufacturing to support prototype and mock-up builds.
Partner with the test laboratory to define and execute test plans validating performance and reliability
Analyze test results, identify root causes, and drive corrective actions
Support manufacturing engineering with DFMA improvements to ensure successful transition from design to production.
Interpret and apply applicable mechanical safety and compliance requirements, including UL standards.
Provide mechanical guidance to applications engineering, sales, service, and field teams regarding product capabilities, installation constraints, and troubleshooting.
Lead and participate in continuous improvement initiatives to reduce design cycle time and increase engineering throughput.
Mentor junior engineers and designers to ensure consistent application of engineering standards and best practices.
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What We Look For
Required
Bachelor’s Degree or equivalent in Mechanical Engineering.
5+ years of mechanical engineering experience in a product-based manufacturing environment.
Strong understanding of mechanical engineering theory, thermodynamics, heat transfer, and airflow fundamentals.
Experience designing sheet-metal assemblies and mechanical HVAC components.
Proficiency with 3D CAD tools (SolidWorks preferred) and creation of detailed drawings and specifications.
Experience developing and maintaining mechanical BOMs.
Preferred
Experience supporting prototype builds and laboratory testing.
Familiarity with HVAC manufacturing processes, including sheet-metal fabrication, fastening methods, insulation installation, brazing, and welding.
Knowledge of DFMA, cost optimization, and value engineering.
Experience supporting configurable product platforms.
Prior experience mentoring engineers or designers.
HIRING SALARY RANGE: $93,000 - $155,000 (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’ Canadian subsidiaries are committed to providing reasonable accommodation to applicants, candidates and employees with disabilities, in accordance with applicable human rights legislation, and in Ontario, in accordance with the Accessibility for Ontarians with Disabilities Act (“AODA”). When requested, accommodation will be provided throughout all stages of the recruitment and selection process. To request accommodation, please contact us. Any information you provide related to accommodation measures will be treated as confidential. A copy of Johnson Controls’ applicable AODA policies are available on our website at www.johnsoncontrols.com for your reference, and can be made available in accessible formats upon request.
Skills Required
- Bachelor's Degree or equivalent in Mechanical Engineering
- 5+ years of mechanical engineering experience in a product-based manufacturing environment
- Strong understanding of mechanical engineering theory, thermodynamics, heat transfer, and airflow fundamentals
- Experience designing sheet-metal assemblies and mechanical HVAC components
- Proficiency with 3D CAD tools (SolidWorks preferred) and creation of detailed drawings and specifications
- Experience developing and maintaining mechanical BOMs
- Experience supporting prototype builds and laboratory testing
- Familiarity with HVAC manufacturing processes, including sheet-metal fabrication
- Knowledge of DFMA, cost optimization, and value engineering
- Experience supporting configurable product platforms
- Prior experience mentoring engineers or designers
Johnson Controls Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Johnson Controls and has not been reviewed or approved by Johnson Controls.
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Retirement Support — Retirement support is positioned as a meaningful part of the package through employer 401(k) matching, repeatedly framed as a strong pillar of the overall rewards mix. The matching contribution is described with specific match levels in multiple places, reinforcing perceived value for long-term saving.
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Leave & Time Off Breadth — Time off is presented as comparatively robust, with multiple paid holiday categories, vacation time, and sick time described as generous or “amazing” in places. Paid time off breadth appears to be a consistent contributor to total rewards attractiveness beyond base pay.
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Flexible Benefits — Benefits are described as broad and customizable, spanning standard medical/dental/vision plus optional add-ons like pet insurance, identity protection, and legal support. Tuition reimbursement is repeatedly highlighted as a high-value option supporting professional development.
Johnson Controls Insights
What We Do
At Johnson Controls, we transform the environments where people live, work, learn and play. From optimizing building performance to improving safety and enhancing comfort, we drive the outcomes that matter most. Dedicated to protecting the environment, we deliver our promise in industries such as healthcare, education, data centers and manufacturing. With a global team of 100,000 experts in more than 150 countries and over 130 years of innovation, we are the power behind our customers’ mission. Our leading portfolio of building technology and solutions includes some of the most trusted names in the industry, such as Tyco®, York®, Metasys®, Ruskin®, Titus®, Frick®, Penn®, Sabroe®, Simplex®, Ansul® and Grinnell®.
