Senior Mechanical Engineer

Come grow with us! Are you ready to make a difference?

We are looking for a skilled, resourceful, and collaborative Senior Mechanical Engineer to join our team in Bedford, NH. The Senior Mechanical Engineer will work closely with a team of engineers supporting gaseous energy projects. This is a fast-paced and dynamic position, with opportunities to be challenged, contribute to project outcomes, interact routinely with project Principals and clients, and grow professionally.

Create opportunity! Do you thrive with a range of interesting assignments?

Essential Functions-What You Will Do

• Lead mechanical design and documentation of projects in the gaseous energy sector, focusing on natural gas, LNG, RNG, CNG, propane-air, hydrogen facilities, and metering/regulating stations.
• Apply industry codes and standards (ASME B31.3/B31.8, BPVC Section VIII, NFPA 59A/59/58/54, 49 CFR 192/193).
• Prepare process flow diagrams (PFDs) and piping & instrumentation diagrams (P&IDs).
• Perform engineering analyses and equipment/component sizing, including line sizing, pipe stress, wall thickness, process equipment (heat exchangers, boilers, pumps) sizing, and valves/relief device sizing.
• Develop technical deliverables including design drawings and specifications, reports, O&M manuals, and risk management documentation.
• Conduct site visits to review existing facility infrastructure, support troubleshooting, and interface directly with clients to support technical discussions and design decisions.
• Manage technical project execution, including staff coordination, budgets, schedules, interdisciplinary integration, and mentoring junior engineers to support their professional growth.
• Support proposal development and cost estimation.

Deliver value! Do you strive for excellence and like to help others succeed?

Competencies-What We Are Looking For

• Bachelor’s degree in Mechanical Engineering with 6-10 years of relevant experience.
• Professional Engineer (PE) license, or ability to obtain within one year, required.
• Extensive experience with natural gas, propane-air, and hydrogen systems, with strong knowledge of ASME, NFPA, and PHMSA codes, as well as process safety and risk management (PHAs, HAZIDs, HAZOPs).
• Excellent organizational, time management, and communication skills with the ability to work collaboratively and adapt to shifting priorities.
• Client-service orientation with ability to anticipate needs and deliver exceptional results.

Physical Requirements

• Requires sitting, walking and, at times, bending and prolonged standing.
• Must be able to visit project sites and climb ladders and stairs as required.
• The work requires both indoor and outdoor activity in temperatures ranging from moderate to extreme cold or hot and other weather conditions.