Process Piping Designer — Plant 3D & P& Expert

Career Opportunities with Sanborn, Head & Associates, Inc.

A great place to work.

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 specializes in integrating our core expertise in earth, energy, and environment to deliver innovative, yet practical solutions to our clients. We foster a collaborative, growth-oriented culture where people work together to solve complex challenges.

We are seeking a collaborative and motivated Process Piping Designer to join our team in Bedford, NH. In this role, you will support a variety of project and operational needs while partnering with project managers and technical staff. This position offers a fast‑paced environment with exciting challenges and meaningful opportunities for learning and professional growth.

Design process piping systems per ASME B31.3 and B31.8 in the Natural Gas Sector for metering, regulation, liquefied natural gas, renewable natural gas and compressed natural gas facilities, including balance of plant systems.

Prepare process flow diagrams (PFDs) and piping & instrumentation diagrams (P&IDs) at the direction of others to reflect the process design, and draft smart P&IDs for quality control of 3D piping design.

Perform site visits to utility and industrial client facilities to review existing process piping and equipment layouts or proposed locations of future installations.

Lead and perform field LiDar scanning, manual field measurement, and support of larger scale laser scanning by sub‑contractors.

Model custom components, including pressure vessels, expansion joints, and instrumentation.

Coordinate and lead project CAD file organization for multidiscipline projects including civil, structural, electrical, and implement company CAD file management standards.

Produce final mechanical design packages including title sheet, key plans, orthographic views, isometric views, details, bill of materials.

Export Plant 3D files to PCF for pipe stress engineering and collaborate on solving pipe stress problems. Experience collaborating with pipe stress engineer, directly reading pipe‑stress model (Autopipe) for incorporation of changes into Plant3D model, and assisting in pipe‑stress report development is considered a plus.

Prepare and manage Navisworks models for internal and external review and presentation.

Develop as‑built drawing packages.

Develop and maintain Plant 3D templates for title blocks, bills of materials, and isometrics.

Develop and maintain Plant 3D piping and support specifications.

Develop and maintain catalogs for pipe, fittings, valves, instrumentation, and pipe supports.

Develop and maintain Plant 3D P& and smart symbology for valves, instrumentation, tags, line type, etc.

Develop, maintain and utilize Autodesk Report Creator templates.

Maintain company standard mechanical detail libraries.

Follow change control and file management procedures in all aspects of work.

Experience walking down existing systems and working within a facility setting.

Experience taking field measurements and generating scans of existing piping, related structures, and foundations.

Strong experience with AutoCAD Plant 3D software (CADWorx experience may be considered, however Plant3D is preferred).

Strong range of piping design experience including of systems operating at extreme temperatures where piping movement due to thermal contraction and expansion is a key driver in design for system flexibility and reduction in equipment nozzle loads.

Strong understanding of fitment and usage of piping components, best practices in piping design, following piping specifications, and related standards.

Strong organizational and time management skills combined with the flexibility to work with shifting priorities.

Client‑service orientation with the ability to anticipate needs and deliver to meet expectations.

Excellent verbal and written communication skills.

Work well as a team member, with a collaborative communication style.