Project Engineer Iii (Senior Project Engineer)

General Repair
California United States
February 3, 2026
Full Time
Application ends: July 30, 2026
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Job Description

Engaging Role
Position: Project Engineer Iii (Senior Project Engineer)
Company: AD Energy Recruitment

Job Brief

about the job

title / functionproject engineer iii (senior project engineer). supervisorreports to: manager, project engineering or regional director, engineering. missionlead and coordinate all assigned engineering activities to complete project designs safely, efficiently, and within scope, schedule, and budget. the project engineer iii acts as the technical lead on complex renewable gas, wastewater, and waste-to-value projects, ensuring engineering excellence and providing mentorship to junior engineers.. the key objectives of the project engineer iii role are to:.

Experience
Work Successes of 0 Years is required

Job Detail
  • Fully understand the project scope, contract requirements, and limits of supply
  • Lead all engineering activities to deliver complete and compliant project designs
  • Ensure alignment of engineering deliverables with schedule, budget, and quality targets
  • Identify and implement cost-effective design optimisations and standardisation opportunities
  • Provide technical leadership and guidance to Project Engineer I/II and external consultants
  • Support the Project Manager and Procurement teams with timely technical information and decisions
  • Act as engineering lead during design reviews, HAZOPs, factory acceptance tests, and site commissioning
  • Contribute to the continuous improvement of engineering processes and tools within the organisation

  •  Key Tasks:
    Lead multi-disciplinary design teams (mechanical, electrical, process, controls, civil) from concept through detailed design
  • Review and approve design documents, P&IDs, datasheets, drawings, and specifications
  • Ensure engineering deliverables comply with local codes, standards, and best practices
  • Coordinate with Project Managers, Procurement, and Construction to resolve technical issues quickly and effectively
  • Support cost estimation and risk assessment during proposal and project stages
  • Manage interfaces between internal engineering teams and external design partners
  • Oversee equipment selection, vendor document reviews, and technical bid evaluations
  • Provide technical support during construction, commissioning, and plant start-up phases
  • Mentor junior engineers, fostering a culture of technical excellence and accountability

  •  Profile & Requirements
    Degree in Mechanical, Chemical, Environmental, or Industrial Engineering (or equivalent)
  • 7–10 years of engineering experience in biogas, wastewater, energy, or process industries
  • Strong understanding of piping systems, pressure vessels, rotating equipment, instrumentation, and control systems
  • Proficient in AutoCAD, Plant 3D, or equivalent design software; familiarity with SCADA/PLC systems is an asset
  • Proven experience coordinating multi-disciplinary design teams and managing external engineering firms
  • Excellent communication skills and ability to work collaboratively across departments
  • ~

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