Summary
Overview
Work history
Education
Skills
Languages
Timeline
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Khalid A. Mohyeddeen

Saudi Arabia

Summary

Versatile process engineer with over 11 years of experience across all major refining process units including distillation, hydroprocessing, hydrotreating, reforming, FCC, and utilities. Proven track record in operations support, troubleshooting, unit monitoring, startup, and performance optimization across Saudi Aramco assets. Acted as both SME and field engineer—delivering solutions during critical scenarios, reducing energy consumption, and maximizing margin realization. Experienced in simulator modeling, licensor interface, configuration reviews, KPI development, and commissioning. Committed to operational excellence and reliability enhancement.

Overview

2026
2026
years of professional experience

Work history

Senior Project Engineer – Process Engineering

Aramco Americas
Houston, USA
2023 - Current
  • Supported the SASREF+ Mixed Feed Cracker project with technical design reviews and process evaluation.
  • Conducted feasibility studies for integration of new feedstocks and alternate process schemes.
  • Led licensor technical alignment, risk assessment, and configuration improvements, achieving over $50M in CAPEX savings.
  • Interfaced with global vendors and licensors to assess technology readiness and operational feasibility.

Subject Matter Expert – Distillation & Hydroprocessing

Saudi Aramco
Dhahran, Saudi Arabia
01.2017 - 01.2023
  • Company Overview: Engineering Services Division
  • Served as corporate process SME covering all refining technologies: CDU, VDU, hydrocracking, hydrotreating, reforming, SRU, amine systems, and naphtha units.
  • Led multiple troubleshooting campaigns and unit investigations across Aramco refineries (RT, RAS, YASREF, Jazan, JIDC).
  • Simulated unit operations using Aspen HYSYS, PRO/II, and PROMAX to optimize yield, energy use, and feed flexibility.
  • Avoided major production losses by redirecting feedstock during Abqaiq emergency; developed refinery-level mitigation plans.
  • Led rollout of performance dashboards and KPI benchmarking across all refining sites.
  • Engineering Services Division

Startup & Operations Support Engineer – Jazan Refinery

Saudi Aramco
Jazan, Saudi Arabia
01.2020 - 01.2022
  • Played a lead role during startup of CDU, VDU, NHT, DHT, and utilities systems.
  • Conducted system lineups, hot circulation, function tests, and supported licensor performance runs.
  • Developed detailed operating procedures, troubleshooting guidelines, and startup punchlist resolution.
  • Ensured units met design performance prior to handover to full operation.

Operations Engineer – Hydrocracking & Hydrotreating Units

YASREF (Aramco–Sinopec JV)
Yanbu, Saudi Arabia
01.2014 - 01.2017
  • Managed day-to-day operations of HCU, diesel HDS, and integrated hydrogen systems.
  • Improved reactor conversion, catalyst utilization, and blending economics.
  • Implemented shutdown/startup plans, coordinated with panel operators, and led unit troubleshooting.

Process Engineering Intern – Refinery Design

Chiyoda Corporation
Yokohama, Japan
01.2012 - 12.2012
  • Supported process design for offsite and utility systems including water treatment, flare, and steam networks.
  • Assisted in process simulation reviews and participated in international engineering deliverables.

Education

Bachelor of Applied Science

King Fahd University of Petroleum
12.2013

Skills

  • Electrical system design
  • Proactive issue identification
  • Material science knowledge
  • Risk assessment procedures
  • Project design delivery

Languages

English
Advanced

Timeline

Startup & Operations Support Engineer – Jazan Refinery

Saudi Aramco
01.2020 - 01.2022

Subject Matter Expert – Distillation & Hydroprocessing

Saudi Aramco
01.2017 - 01.2023

Operations Engineer – Hydrocracking & Hydrotreating Units

YASREF (Aramco–Sinopec JV)
01.2014 - 01.2017

Process Engineering Intern – Refinery Design

Chiyoda Corporation
01.2012 - 12.2012

Bachelor of Applied Science

King Fahd University of Petroleum

Senior Project Engineer – Process Engineering

Aramco Americas
2023 - Current

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Khalid A. Mohyeddeen