Mechanical Engineer

Job Summary Solar Technology, Inc. (SolarTech) is an

ISO-9001

2015 certified manufacturer of high-tech specialized construction equipment used for the management and control of traffic in and around work zones associated with road, highway, and bridge construction, maintenance, and repair. Defined by reliability, SolarTech is the oldest manufacturer of portable trailer-mounted solar-powered Arrow Panels and Changeable Message Signs, and we build and support all products at our single facility in Allentown, PA. Our equipment is recognized worldwide for durability, reliability, and strong engineering. Summary We are looking for a Mechanical Engineer to join our long-standing engineering team in Allentown, PA. This is a full-time, on-site position where you will design, develop, and improve the physical products and systems that define SolarTech's reputation for durability and reliability. You will work alongside a collaborative team of engineers while taking meaningful independent ownership of mechanical design and manufacturing challenges. This position reports to the Director of Engineering. Position Details Full-time, Monday through Friday On-site at our Allentown, PA facility Candidates must be authorized to work in the United States Job Duties Design and develop mechanical components and assemblies for solar-powered traffic control equipment, including Arrow Panels, Changeable Message Signs, and trailer systems. Create and maintain detailed engineering drawings, 3D models, bills of materials (BOMs), quality control documentation, and production work instructions. Support and improve manufacturing processes; work closely with production staff to ensure designs are manufacturable, cost-effective, and maintainable. Conduct structural, thermal, and environmental analyses to validate designs for field durability. Specify and source hardware, materials, and components; collaborate with vendors and suppliers. Perform root-cause analysis and develop corrective actions for field failures and customer-reported issues. Support product testing, qualification, and certification activities. Work across the full product lifecycle: concept, design, prototyping, testing, documentation, and production support. Engage with non-engineering colleagues including production, field technicians, and support staff to solve practical problems and improve product reliability. Travel may be required to assist customers and support field service activities. Qualifications We value engineering judgment, practical problem-solving, and clear thinking.

The ideal candidate has:

Bachelor's degree in Mechanical Engineering. Proficiency in 3D CAD software (SolidWorks preferred). Experience designing sheet metal, weldments, and structural assemblies. Familiarity with manufacturing processes such as welding, machining, and painting. Ability to design for reliability in outdoor and field-deployed environments (vibration, weather, transport loads). Assist with electrical and software testing, including functional validation of embedded systems and field equipment. Contribute to wire and cable design, including harness routing, connector selection, and documentation. Participate hands-on during the prototyping process — building, assembling, and iterating alongside the engineering team. Self-direction, attention to detail, and genuine curiosity about how systems work. Ability to communicate clearly with both technical and non-technical colleagues. Experience with trailer systems and solar energy systems design is a plus.

Tools & Environment CAD:

SolidWorks (primary), with standard PDM/PLM practices. Hands-on access to our production floor and prototype shop in Allentown. Benefits Competitive salary based on experience. Medical, dental, vision, life insurance, short- and long-term disability. Paid Time Off (PTO), vacation, and a 401(k) with employer match. A stable engineering environment where decisions are made for the right reasons. A culture that values contribution, deep thinking, and independence.

Pay:

$75,211.73 - $85,168.96 per year

Benefits:

401(k) Dental insurance Employee assistance program Health insurance Health savings account Life insurance Paid time off Professional development assistance Retirement plan Tuition reimbursement Vision insurance

Work Location:

In person