Field Mechanical Engineer

At Frontier Energy, we’re more than just engineers and professionals—we’re a team of innovators, problem-solvers, and visionaries dedicated to advancing clean energy solutions. Our mission is to pioneer the intelligent use of energy for a sustainable and resilient future.

We offer a collaborative and dynamic workplace where your ideas are heard, nurtured, and transformed into impactful solutions. With a flat hierarchy and open-door policy, every team member is empowered to experiment, take ownership, and make a real difference.

Beyond fostering an inspiring culture, we provide competitive compensation, comprehensive benefits, and opportunities for growth. Join us and be part of a team that’s shaping the future of energy while leaving a positive impact on the world.

The Field Mechanical Engineer will be responsible for conducting research experiments and performing standardized tests and gathering and analyzing data collected on-site from end-use customer facilities and in the testing lab facility in Davis. This position requires effective communication and coordination with internal teams as well as external stakeholders, including clients, contractors, and technical partners. Proficiency in Microsoft Office applications is essential, especially Excel, as well as Python for data analysis. Candidate must be familiar with measurement and verification protocols and approaches. Familiarity with project management software such as Deltek Vantagepoint is a plus.

Key Responsibilities

The Field Mechanical Engineer is a entry-level position and is responsible for executing on assigned project tasks. Specific responsibilities include (but are not limited to):

• Evaluate and analyze the performance of building systems (HVAC, hydronic, and electrical) in residential, commercial and industrial environments
• Conduct accurate on-site & lab based energy analyses to gather the necessary details for developing energy-saving recommendations and supporting rebate or incentive applications for end-use customers
• Complete energy savings calculations and assist with the preparation of rebate or incentive applications
• Conduct outreach to new and existing clients to find project opportunities
• Manage time effectively across fieldwork and lab & office-based tasks to ensure project milestones are met
• Collaborate with clients, contractors, and design professionals to understand building characteristics and identify opportunities for energy optimization
• Translate findings into actionable recommendations through clear, well-organized reports and presentations
• Provide regular project updates and status reports to the program lead
• Maintain thorough documentation and communicate findings in a clear and professional manner
• Support the development of long-term energy strategies tailored to client needs
• Must be able to travel to customer sites & test sites, generally within 150 miles of the Davis office (occasionally farther)
• Perform other activities as requested related to energy conservation, reporting, and project support as needed

Required Skills

• Bachelor’s degree in Engineering (Mechanical, Civil, Industrial, Environmental, Architectural, or a related discipline) is required
• Foundational understanding of residential, commercial and industrial building systems, including HVAC, hydronic, and electrical systems
• Foundational understanding of thermodynamics, heat transfer and psychrometrics
• Demonstrated experience or strong interest in energy efficiency, building performance analysis, or sustainable design
• Proficiency in Microsoft Office, with a strong emphasis on Excel for data analysis and reporting
• Strong analytical and problem-solving skills, with the ability to draw insights from data and translate them into actionable recommendations
• Excellent written and verbal communication skills, with the ability to clearly convey technical concepts to diverse audiences
• Detail-oriented with a focus on accuracy in data collection and reporting
• Self-motivated and organized, with the ability to manage time effectively across multiple tasks and projects
• A collaborative and personable approach with the ability to work well in both independent and team environments
• Willingness to learn, take initiative, and adapt in a fast-paced and evolving work environment
• Experience with customer service and outreach, with the ability to engage professionally and effectively with clients, contractors, and stakeholders

Preferred Skills

• Basic knowledge of IT, including switches, routers, cell modems and VPNs
• Experience with micro-computers
• Experience with LabView
• Experience with Python
• Experience with Modbus RTU and TCP
• Experience with programmable dataloggers