Mechanical Engineer (Springfield)

Build Your Career in Industrial Refrigeration   We are looking for a Mechanical Engineer to join our team supporting the design, fabrication, and installation of industrial ammonia refrigeration systems. This is an opportunity to work on real-world systems used in food processing, cold storage, and industrial facilities—while learning directly from a highly experienced team. Whether you already have ammonia refrigeration experience or come from a strong mechanical background, we provide hands-on training and mentorship to help you grow into an expert in this specialized field.   This role includes a mix of office work, shop interaction, and occasional field/site visits. You’ll be involved in projects from concept through commissioning.   What Sets This Role Apart   Hands-on training from senior staff with decades of ammonia refrigeration experience   Direct exposure to design, fabrication, and field work—not just desk engineering   Opportunity to build expertise in a high-demand, specialized industry   Career growth into senior engineering, project management, or technical leadership roles Compensation & Benefits   Competitive pay based on experience   Health, dental, and vision insurance   401(k) with company match   Paid time off and holidays   Ongoing training and development    Compensation: $85,000 - $125,000 DOE Responsibilities: Design and develop industrial ammonia refrigeration systems   Perform load calculations, system sizing, and efficiency analysis   Select and specify equipment such as compressors, vessels, evaporators, and condensers   Create P&IDs, piping layouts, and Bills of Materials   Work closely with fabrication, operations, and field teams   Support installation, startup, and commissioning of systems   Troubleshoot performance issues and improve system reliability   Ensure compliance with industry standards and safety regulations (IIAR, PSM, RMP)   Qualifications: Bachelor’s degree in Mechanical Engineering    3+ years of relevant experience in mechanical systems or refrigeration   Experience with ammonia refrigeration is a plus, but not required   Strong understanding of thermodynamics and heat transfer   Ability to read and develop engineering drawings and P&IDs   Experience with CAD software (AutoCAD, SolidWorks, or similar)   Preferred Qualifications:  Experience with industrial refrigeration or HVAC systems   Familiarity with IIAR standards, OSHA PSM, or EPA RMP   RETA certifications (CARO/CIRO)   Knowledge of PLCs or industrial controls   About Company SMSI is dedicated to providing the highest quality mechanical services performed in an honest, dependable, and efficient manner. SMSI offers lots of room to grow in a fast-paced company. We have been serving commercial and industrial markets for 30 years. #WHGEN2Compensation details: Yearly Salary PId fad-