Senior Project Engineer

Who we are

Aerzen USA Corp. is an international manufacturer of positive displacement blowers, hybrid blowers, screw compressors and turbo blowers. These high-quality machines are used for air and gas applications across many essential industries, including:
Wastewater, Process Gas, Cement, Biogas, Pharmaceutical and Food, among many others. We are One Team, and we Empower our team members to be both Inquisitive and Evolutionary.

Aerzen USA offers a competitive salary; generous health benefits (to include 96% company-paid benefit plans) with company HSA contribution; a 401(k) with company match; a tuition reimbursement program; and a profit share bonus package; along with the opportunity to work with a dynamic group of professionals.

We are seeking a self-motivated Project Engineer II who will lead the technical execution and detailed engineering of Pressure Swing Adsorption (PSA) biogas to RNG upgrading systems. This role will serve as the primary technical point of contact across the project lifecycle with responsibilities including review of process design, review of mechanical drawings, P&IDs, equipment selection and specification, vendor management, and overseeing manufacturing of equipment.

• Lead Technical Execution:
  Serve as the primary technical point of contact across the entire project lifecycle for Aerzen’s Pressure Swing Adsorption (PSA) biogas-to-RNG upgrading systems.
• Process & Piping Review:
  Review, validate, and approve process designs, Piping & Instrumentation Diagrams (P&IDs), process flow diagrams (PFDs), and overall mass/energy balances for the PSA process
• Mechanical & Layout Engineering:
  Review detailed mechanical drawings, skid layouts, 3D models, piping designs, and structural requirements to ensure constructability, serviceability, and compliance with industry standards.
• Equipment Selection & Specification:
  Establish technical specifications, datasheets, and design parameters for major system equipment, including compressors, blowers, pressure vessels, valves, instrumentation, and filtration systems.
• Vendor & Supplier Management:
  Manage technical evaluations of supplier bids, communicate design requirements, coordinate with equipment manufacturers, and ensure vendor deliverables meet quality, schedule, and performance specifications.
• Manufacturing & Fabrication Oversight:
  Oversee equipment manufacturing, shop assembly, and skid fabrication to verify build quality, structural integrity, and adherence to engineering designs and ASME/API codes.
• Quality & Compliance Assurance:
  Ensure all system designs, fabrication practices, and field packages comply with safety protocols, regulatory requirements, environmental standards, and relevant industry codes (e.g., ASME, NFPA, NEC, API).
• Cross-Functional Coordination & Field Support:
  Interface directly with client teams, project management, field service engineers, and commissioning personnel to resolve technical issues during fabrication, site installation, and startup.

Bachelors’ degree required.

Mechanical or Chemical Engineering preferred

5 - 10 years of experience in engineering, preferably in the area of biogas, Renewable Natural Gas, Process Gas, or similar

• Proficient in MS Office programs
• Ability to read drawings, P&IDs, wiring diagrams, logic diagrams, and other engineering documents.
• Strong communication skills – professional speaking and writing styles.
• Root cause analysis skills – critical thinking ability.
• Experience in AutoCAD, UNISIM, and AVEVA is a plus
• Proven experience in the biogas and RNG industry is a plus
• Must be able and willing to travel up to 25% of the time.

Aerz…