Johnson Controls · 23 hours ago
Senior Mechanical Engineer (onsite)
Largo-Florida-United States of America
Full-time
Onsite
Senior Level
5+ years expJohnson Controls is seeking a Senior Mechanical Engineer to contribute to the design and delivery of HVAC air-handling and fan-coil products. The role involves planning and executing work on standalone tasks and projects, applying engineering judgment to solve problems, and collaborating with cross-functional partners in various areas.
Industrial EngineeringPhysical SecuritySmart Building
Responsibilities
Develop concepts, models, and detailed mechanical designs for sheet‑metal, plastics, and electro‑mechanical components; drive DFMA and cost/quality improvements
Create and review drawings, tolerance schemes, and BOMs; author and process ECR/ECO changes in accordance with internal controls
Define and plan your own activities for stand‑alone work packages or pieces of larger project designs; lead and complete small‑scope projects (single subsystems)
Perform calculations and trade‑off analyses (e.g., heat transfer, fluid dynamics, structural, reliability) and interpret test results to validate designs
Partner with lab, safety, and certification agencies (e.g., UL/Intertek) to generate test criteria, execute plans, and resolve findings for applicable standards (e.g., UL 60335, A2L refrigerant sensor integrations)
Work with manufacturing/operations on build issues, fixtures, and routings; support part orders and prototype builds
Interface effectively with project management, quality, and supply chain to remove roadblocks, protect interdependent deadlines, and ensure on‑time delivery
Independently identify problems, propose options, and either resolve directly or coordinate with the right resources; escalate only highly complex issues for senior guidance
Contribute to standard work, checklists, and design libraries; mentor junior designers/engineers informally and lead by example
Qualification
Required
BS in Mechanical Engineering (or equivalent)
5+ years progressive, related mechanical engineering experience in product development or sustaining engineering
Ability to apply core engineering principles to resolve problems and deliver quality results with minimal supervision
Proficient in 3D CAD and mechanical detailing; able to communicate technical concepts clearly in writing and verbally across disciplines
Preferred
Experience with HVAC, air handling or fan‑coil systems (sheet‑metal design, assemblies, heaters/enclosures, coils, fans)
Familiarity with regulated testing and certification workflows (e.g., partnering with UL/Intertek; A2L refrigerant considerations)
Exposure to ECO/ECR processes, PLM/PDM, and ERP‑driven BOM management; collaboration with manufacturing and quality on PFMEA/8D
Company
Johnson Controls
Johnson Controls offers smart buildings that create safe, healthy, and sustainable environments.
10001+ employees
H1B Sponsorship
Johnson Controls has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (61)
2024 (57)
2023 (80)
2022 (95)
2021 (81)
2020 (93)
Funding
Current Stage
Public CompanyTotal Funding
$1.6BKey Investors
US Department of Energy
2024-12-05Post Ipo Debt· $250M
2024-12-04Post Ipo Debt· $525.61M
2024-05-20Post Ipo Equity· $90M
Leadership Team
Joakim Weidemanis
Chief Executive Officer
Marc Vandiepenbeeck
Executive Vice President and Chief Financial Officer
Recent News
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