Principal Engineer, Process at AECOM2

We are seeking an experienced and highly skilled Chemical & Process Engineer to join our global Process & Piping team and provide technical leadership across industrial, energy transition, and decarbonization projects. This position will contribute to advanced process design, modeling, and optimization activities within areas such as Oil & Gas, Power Generation, Carbon Capture, and Hydrogen Production. The successful candidate combines Chemical/Process Engineering skills with experience in heat and Mass Balance, Process Simulations, process equipment sizing, P&ID’s. Here is what you will do: 1. Oil& Gas, Power Generation, Carbon Capture, Hydrogen Generation • Perform process design, analysis, and simulation. • Conduct equipment and system sizing (heat exchangers, compressors, storage, pumps, relief systems, etc.). • Support feasibility studies and evaluations. • Ensure alignment with process safety, risk assessment methodologies, and relevant engineering standards. • Prepare process documentation, including simulations, process descriptions, heat & mass balances, and design criteria. • Coordinate process interfaces with electrical, mechanical and energy systems engineering teams. • Perform hydraulic calculations, including pressure drop, flow capacity, and line sizing for all types of systems (liquid, gas, multi-phase systems). • Support design considerations for pipeline routing, compression stations, and interconnection facilities. • Review and validate piping-related requirements with Mechanical & Piping disciplines.4. Other Responsibilities • Senior technical advisor for process engineering activities and deliverables. • Participate in interdisciplinary design reviews and client technical workshops. • Perform QA/QC of simulations, calculations, design reports, drawings, and specifications. • Contribute to cost estimates, schedules, proposal inputs, and technical write-ups. • Support HAZOP activities throughout the engineering lifecycle, ensuring that hazards, operability constraints and design safeguards are addressed in accordance with project requirements. • Prepare and review technical reports, datasheets, specifications and calculation notes. • Collaborate with internal global teams, vendors and clients to ensure alignment and technical consistency. • Apply scientific principles and simulation tools to solve complex technical problems. • Ensure compliance with applicable codes, standards, and regulatory frameworks. • Mentor junior and mid-level engineers, supporting professional development and knowledge transfer.