Mechanical Fabrication Technician​/Senior Mechanical Fabrication Technician

Sponge

Posted : 6/02/26

Location :
Dorchester MA

Sponge is an early‑stage climate technology company. Sponge has a simple direct air
capture (DAC) process that removes carbon dioxide from the atmosphere at a fraction of the
energy and cost required by others.

• This is a significant, high-impact role.
• Reporting to Sponge’s CTO the inaugural Mechanical Fabrication Technician / Senior Mechanical Fabrication Technician will fabricate lab, pilot and commercial scale direct air capture equipment.
• Work with Sponge’s engineers to understand, review and review P&IDs, Equipment, Line, Instrument and Valve Lists General Assembly, Plumbing Run and Spool Drawings and produce As Built drawings and complete fabrication and assembly check lists.
• Select and order parts from Bills of Materials, and Equipment, Line, Instrument and Valve Lists. Follow materials receipt procedures and complete inventory counts.
• Order and maintain a sufficient inventory of shop consumables and hardware.
• Organize and maintain the inventory, shop and fabrication operations to ensure cleanliness, quality, safety and efficiency.
• Support lab and pilot operations by following Standard Operating Procedures, read instrument values, perform standardized laboratory tests and complete round checklists and follow Standard Operating Procedure to formulate textile finishing solution batches.
• Other duties as assigned.

• Ability to operate hand and powered tools to fabricate frame and skids comprised of strut and other systems.
• Ability to accurately fabricate plumbing run and spools comprised of metal and polymeric piping, tubing and components with threaded, flanged, compression and other connections.
• Welding and CNC machining skills are desirable, but not required.
• Ability to follow Standard Operating Procedures to operate lab and pilot scale equipment and perform standardized lab testing, accurately reading and recording instrument values, completing round check lists, and ingredient weighing and mixing of textile finishing solutions.
• Willingness and ability to travel in the US occasionally as required.

Physical Requirements:

This position is located in an industrial setting. Ability to work in a physically demanding environment, including standing for extended periods. Ability to lift and move objects weighing up to 50 lbs regularly and occasionally heavier items with assistance. Manual dexterity to operate hand tools, power tools, and machinery.

How to Apply:

email  and refer to the Mechanical Fabrication Technician / Senior Mechanical Fabrication Technician position.