Senior Mechanical Engineer

Career Opportunities with Sanborn, Head & Associates, Inc.

A great place to work.

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?

• 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?

• 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.

• 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.
• Must be able to wear and work in personal protective equipment as required.
• Substantial repetitive motions of the wrists, hands, and/or fingers is required.
• Close visual acuity is required to perform activities such as preparing and analyzing data and figures, transcribing, viewing a computer terminal, and extensive reading.
• Must be able to lift up to 50 pounds.

• Full-time position.
• Schedule: Monday through Friday with flexible daily hours.
• Located in Bedford, NH.
• Estimated travel: 10-20%.
• Competitive wage and bonus package.

At the end of the day, it is all about the experience. Let your journey begin here.

We invite you to submit an application with a resume and cover letter, telling us why you would be a great fit for our team.

Sanborn Head is an engineering and technical consulting firm serving a broad array of private, public and institutional clients in the development, energy, industrial, and solid waste markets. Our multi-disciplinary team of engineers and scientists specialize in integrating our core expertise in earth, energy, and environment to deliver innovative, yet practical solutions to our clients.

Candidates are required to possess a valid driver's license and an acceptable driving record. We will provide reasonable accommodations consistent with applicable laws.

Qualified candidates must be able, with or without reasonable accommodation, to fulfill all obligations of the job, which include in-person attendance at and participation in company and/or client events or worksites.

Sanborn Head is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin or ancestry, disability, veteran status, age, sex, sexual orientation, gender identity, genetic information, or any other characteristic protected by local, state, or federal laws, rules, or regulations.