Principal Process Engineer (Oil & Gas)

MOHSIN RAZA

Perth WA *************@*****.*** +614********

PROFESSIONAL SUMMARY

Principal Process Engineer with 22+ years of progressive experience delivering study, FEED, and EPC projects across onshore and offshore oil & gas facilities. Proven leadership in supervising multidisciplinary teams, leading process engineering activities, and executing projects on schedule and within budget. Extensive experience in greenfield and brownfield developments spanning the full project lifecycle from concept through detailed engineering to commissioning. Strong expertise in process simulation (Aspentech HYSYS), HAZOP coordination, technical calculations, equipment specification, and client-facing roles. Demonstrated success in recruitment, team development, and delivering challenging project targets while maintaining the highest HSE standards. Self-motivated professional with excellent communication skills and strong commercial and technical risk awareness.

CORE COMPETENCIES

Project Leadership & Team Supervision

Study, FEED, EPC & PMC Project Execution

Onshore & Offshore Oil & Gas Experience

Greenfield & Brownfield Developments

Process Simulation (Aspentech HYSYS, PRO II, Aspen Plus)

HAZOP/HAZID Leadership & Facilitation

Process Engineering Datasheets & Calculations

Manhour Estimation & Bid Support

Client Facilitation & Technical Presentations

Recruitment, Training & Team Development

Commercial & Technical Risk Management

PROFESSIONAL EXPERIENCE

Principal Process Engineer — Worley Perth, Australia

Feb 2022 – Present

Lead process engineering activities for major oil & gas projects spanning brownfield refinery modifications and greenfield renewable fuels developments. Supervise process engineering teams, execute FEED and FEL3 studies, and deliver projects aligned with client and corporate objectives.

Key Responsibilities & Achievements:

Lead process engineering teams on assigned projects, delivering on schedule and within budget constraints

Supervise and mentor less experienced process engineers, providing technical guidance and professional development

Execute FEED and FEL3 studies for brownfield refinery upgrades and greenfield renewable fuels facilities

Produce and review detailed process engineering calculations, datasheets, PFDs, and P&IDs to specify project requirements

Prepare demolition P&IDs, tie-in lists, line lists, and equipment lists for brownfield modifications

Develop process control philosophies, cause and effect diagrams, and operating philosophies

Perform hydraulic calculations, PSV sizing, heat & mass balances, and utility summaries

Lead and participate in HAZOP, LOPA, PHA, and SIL reviews, ensuring comprehensive close-out of action items

Facilitate client meetings and workshops, presenting technical solutions and project deliverables

Prepare manhour estimates and support bid activities for new project opportunities

Ensure compliance with client HSE, quality, and safety procedures

Demonstrate commercial awareness and manage technical risks, escalating significant issues appropriately

Senior Process Specialist — AXENS Melbourne, Australia

Mar 2018 – Feb 2022

Provided senior process engineering support for major refining projects in Saudi Arabia and China, focusing on commissioning and start-up phases of licensed reformer units.

Appointed as Senior Process Engineer for Jazan (Saudi Arabia) and Dalian (China) refinery projects

Supervised commissioning and start-up activities for reformer units, coordinating with client operations teams

Monitored catalyst loading activities, ensuring compliance with technical specifications and safety standards

Verified construction compliance with P&IDs and design documentation through site visits

Successfully completed all assigned tasks within schedule, achieving safe and effective unit start-up

Lead Process Engineer — Fluor Arabia Ltd Saudi Arabia

Jan 2013 – Feb 2017

Led process engineering teams on small to medium-sized refining and petrochemical projects, managing full project lifecycle from concept through detailed engineering and execution.

Leadership & Team Management:

Led small/medium-sized project teams across S-Chem Infrastructure, Luberef PDA Revamp, and Sadara Port & Pipeline projects

Supervised and mentored junior process engineers, providing technical oversight and career development

Facilitated client meetings to understand scope, deliverables, and technical requirements

Delivered all assigned projects within schedule and allocated budget, receiving recognition for project leadership

Technical Delivery:

Developed PFDs, P&IDs, process design basis, and process control narratives

Prepared heat & mass balances, utility summaries, and equipment specifications

Wrote technical reports, proposals, and manhour estimates for bid activities

Led HAZOP, PHA, and SIL reviews, systematically closing out all action items

Reviewed cause and effect diagrams and contributed to operating manuals

Conducted Root Cause Analysis and utility optimization studies for major refining facilities

Cross-Discipline Coordination:

Coordinated with mechanical, electrical, instrumentation, and civil disciplines to ensure integrated design delivery

Supported cross-discipline activities beyond core process engineering scope

Identified scope changes, performed impact analyses, and recommended corrective actions

Senior Process Engineer — Jacobs International UAE

Feb 2012 – Jan 2013

Reviewed design and commissioning documentation for refinery start-up activities

Participated in strategic meetings with clients regarding pre-commissioning and start-up

Delivered all assigned activities within schedule and quality requirements

Senior Process Engineer — Byco Oil Pakistan Ltd Pakistan

Nov 2008 – Feb 2012

Optimized process design for cost and utility consumption efficiency

Prepared heat & mass balances, equipment specifications, and bid tabulations

Supervised and trained less experienced process engineers

Interfaced with internal disciplines and external vendors to define project scope

Performed process engineering calculations including line sizing, relief valve sizing, and hydraulic studies

Process Engineer — Pakistan Refinery Ltd Pakistan

Jul 2003 – Nov 2008

Developed production and process KPIs to improve safety, efficiency, and waste reduction in operating refinery

Prepared energy and material balances, troubleshooting reports, and debottleneck studies using HYSYS

Participated in turnarounds, including catalyst regeneration and process modifications

Prepared start-up/shutdown procedures and operating manuals

Led refinery management of change system and participated in HAZOP studies

TECHNICAL SOFTWARE & EXPERTISE

Process Simulation: Aspentech HYSYS (Advanced), PRO II, Aspen Plus, UniSim

Hydraulic & Flow Analysis: Pipesim, AFT Fathom, AFT Arrow, PALS2000

Flare & Relief Systems: FlareNet

Heat Exchanger Design: HTRI, HTFS Tasc+, Acol+

Instrumentation: InstruCal

AREAS OF EXPERTISE

Onshore Oil & Gas: Refineries, petrochemical plants, gas processing facilities

Offshore Oil & Gas: Offshore platform experience through various project phases

LNG facilities, hydrogen manufacturing units, sour gas separation (H2S, CO2)

Greenfield & brownfield developments from concept through EPC

Upstream and downstream process engineering across full project lifecycle

EDUCATION

Bachelor of Science in Chemical Engineering

PROFESSIONAL MEMBERSHIPS & CERTIFICATIONS

Member — Engineers Australia (MIEAust) — Professional Engineering Body

Member — Saudi Engineering Council (SEC)

Member — Pakistan Engineering Council (PEC)

PROFESSIONAL DEVELOPMENT

Lead Engineer Training Program (Fluor) — 2014

Process Modelling Software Training — 2013

Project Management Training — 2008

Health, Safety & Environment Awareness — 2007

ISO 9001:2000 Certification — 2003

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