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Alireza Maddah

@alirezamaddah

Principal Process Engineer with 25+ years delivering refinery, gas and petrochemical process designs.

United Arab Emirates
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What I'm looking for

I’m looking for a role where I can lead process engineering delivery end-to-end, combining robust simulation and process safety studies with team leadership to help clients achieve safe, on-time refinery and gas project outcomes.

I’m a Principal Process Engineer with over 25 years in the oil, gas, and petrochemical industries, specializing in process engineering and project delivery. I’ve managed roles ranging from Lead Process Engineer to Project Engineering Manager and Project Manager across Conceptual, Basic, FEED, and Detailed/EPC stages.

I lead teams and act as the primary interface with client engineering groups, controlling process engineering budgets and schedules to keep projects on track. I’m hands-on across front-end conceptual design and detailed engineering, building sound, independently auditable process decisions.

My work covers end-to-end process deliverables—BFDs/PFDs, P&IDs, UDDs, datasheets, and simulations—plus steady-state and dynamic modeling. I also drive process safety through HAZOP/HAZID, and SIL/LOPA studies, including relief and flare analysis, surge and flow assurance studies.

In recent assignments, I led detailed designs for alternative NG/NGL export routes, LPG pump upgrades, produced water disposal and ST-B1 debottlenecking. I combine strong technical depth with leadership, vendor document governance, and field engineering support during construction.

Experience

Work history, roles, and key accomplishments

EX
Current

Lead Process Engineer

ExidaSP

Mar 2025 - Present (1 year 3 months)

Led detailed process design and hydraulic calculations for alternative NG/NGL export routes, updating PFDs/P&IDs/UFDs and coordinating multidisciplinary teams. Delivered detailed design for new LPG loading pumps and field wide produced sour water disposal, including process deliverables and HAZOP action closure support.

CM

Lead Process Engineer

CMG

Apr 2024 - Aug 2024 (4 months)

Provided technical leadership and process engineering support across Concept Study, Pre-FEED, FEED, and Detailed Engineering phases. Served as primary interface to client engineering teams and supported delivery via schedule/budget control and coordination of multidisciplinary design.

EIED Company logoEC

Lead Project/Process Engineer

EIED Company

Jun 2022 - Apr 2024 (1 year 10 months)

Managed process deliverables for HDPE/LLDPE/PP plants, including BFDs, PFDs, P&IDs, UDDs, datasheets, simulations, and hydraulic/PSV load calculations. Led process representation in client/project meetings, coordinated multidisciplinary design, and supported HAZOP/HAZID/SIL studies through procurement and construction readiness.

Soroush Energy Pooya logoSP

Project Manager and Lead PE

Soroush Energy Pooya

Mar 2021 - Jun 2022 (1 year 3 months)

Led process design for wellhead facilities, separation/desalting units, crude storage and pump stations, pipelines, wastewater treatment, flare, and utilities integration for a brownfield surface facilities project. Managed process deliverables (BFDs/PFDs/P&IDs/UDDs/datasheets/simulations), performed hydraulic/PSV calculations and flare sizing, and coordinated HAZOP/HAZID/SIL activities to address

Hirbodan Management Company logoHC

Process Safety Department Head

Hirbodan Management Company

Feb 2020 - Mar 2021 (1 year 1 month)

Led the Process Department, directing detailed design and utilities engineering for gas pipelines, power generation, PVC plant, crude pipeline, flare and utilities, and building utilities. Oversaw process calculations, simulations, relief/blowdown design, and led process-safety studies (HAZOP/SIL/HAZID/LOPA/ALARP), including OLGA-based surge studies for gas pipelines.

Chagalesh Consulting Engineers logoCE

Project Engineering Manager

Chagalesh Consulting Engineers

May 2016 - Feb 2020 (3 years 9 months)

Managed process engineering delivery and team performance for refinery upgrading and oilfield development projects, including AMINE and SWS units. Served as engineering manager and client contact, managed third-party participation in HAZOP/HAZID/SIL, reviewed/verified deliverables (PFDs/P&IDs/UDDs/calculations/simulations), and ensured schedule and quality compliance.

Oil Design and Construction Company logoOC

Project Engineering Manager

Oil Design and Construction Company

Sep 2011 - May 2016 (4 years 8 months)

Led process engineering for refinery and flare gas recovery scope, covering conceptual through detailed engineering, procurement, and construction support for a zero-flaring project. Directed feasibility and detailed process deliverables (PFDs/P&IDs/calculations/simulations), managed engineering team delivery, and supported vendor compliance for equipment packages.

NARGAN Engineers and Constructors logoNC

Lead Process Engineer

NARGAN Engineers and Constructors

Feb 2006 - Sep 2011 (5 years 7 months)

Led process engineering for EPC refinery upgrading scope covering AMIN, SWS, LPG recovery, and interconnection units, managing detailed design, procurement, and field engineering activities. Supervised process engineering teams (16 engineers plus 3 senior engineers), performed re-simulation and updates to heat/mass balance, supported licensor coordination, and prepared/delivered PFDs/P&IDs/UFDs an

Iranian Offshore Engineering & Construction logoIC

Senior Process/Safety Engineer

Iranian Offshore Engineering & Construction

Feb 2005 - Feb 2006 (1 year)

Acted as client representative for offshore facilities EPC, working with Technip as consultant/contractor to review process and process-safety documents for accuracy and compliance. Coordinated multidisciplinary integration to resolve technical issues and supported delivery of compliant EPC documentation and deliverables.

Iran Itok Co. logoIC

Lead Process Engineer

Iran Itok Co.

Jan 2004 - Feb 2005 (1 year 1 month)

Performed detailed design engineering and procurement services for gas compressor station and LPG plant projects. Prepared calculations, PFDs/P&IDs/UFDs, simulations, and datasheets; managed process engineering activities, man-hour planning, and schedule to ensure compliance with project requirements and industry standards.

Education

Degrees, certifications, and relevant coursework

Isfahan University of Technology logoIT

Isfahan University of Technology

Master of Science in Chemical Engineering, Chemical Engineering (Separation Processes)

2001 - 2003

Master of Science study in Chemical Engineering with a focus on Separation Processes at Isfahan University of Technology.

Sharif University of Technology logoST

Sharif University of Technology

Bachelor of Science in Chemical Engineering, Chemical Engineering (Gas Industries, Oil & Gas Processing)

1992 - 1996

Bachelor of Science in Chemical Engineering covering Gas Industries and Oil & Gas Processing at Sharif University of Technology.

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