Mohamad Jeffry Tambi
Bintulu,Malaysia
Summary
.Experienced Process Technician (NT5) with over 25 years in chemical plant operations and mechanical maintenance within the fertilizer and petrochemical industry. Highly skilled in troubleshooting plant abnormalities, executing safe and efficient startup and shutdown activities, and maintaining optimal performance of critical equipment including compressors, pumps, and reactors.
Demonstrates strong analytical thinking, attention to detail, and the ability to resolve complex operational issues under high-pressure environments. Proven leadership capability in coordinating manpower, mentoring junior operators, and ensuring strict compliance with safety standards including PTW and confined space requirements.
Committed to continuous improvement, operational excellence, and delivering safe, reliable, and efficient plant performance.
Overview
27
27
years of professional experience
3
3
years of post-secondary education
Work history
Technician (MT -Process Engineering)
Asean Bintulu Fertilizer Sdn Bhd
Bintulu
2006.03 - 2026.05
Process Technician (NT5)
Petronas (Seconded to ASEAN Bintulu Fertilizer Sdn Bhd)
March 2006 – Present
Joined as an Operations Technician (Urea Plant) and progressed through multiple technical roles. Promoted to Technician (MT – Process Engineering, NT1) in July 2012 and advanced to NT5 (Senior Level) in October 2021 upon successful completion of PECAS assessment.
Core Responsibilities & Achievements
Plant Operations & Troubleshooting
Diagnose and resolve plant abnormalities to maintain continuous and stable operations.
Execute rapid troubleshooting during process upsets, minimizing downtime and production losses.
Monitor plant performance within safe operating limits across critical equipment including reactors, compressors, pumps, storage tanks, pipelines, and berth facilities.
Perform structured field and DCS rounds with timely corrective actions.
Startup, Shutdown & Commissioning
Actively involved in plant startup, shutdown, and emergency shutdown (ESD) activities.
Commissioning and decommissioning of steam systems.
Lead operations as Senior Plant Operator during critical startup and shutdown phases.
Equipment Operation & Maintenance Support
Operate ammonia compressors up to 145 barg and perform routine pump changeovers.
Prepare, isolate, and hand over equipment safely for maintenance.
Provide technical support and troubleshooting assistance to maintenance teams.
Multiskilled Technical Competency
Instrumentation: Perform calibration and zero-checking of level and pressure transmitters.
Mechanical: Clean suction strainers and replace pressure and temperature gauges.
Demonstrate cross-functional capability across instrumentation and mechanical disciplines.
Leadership & Team Coordination
Coordinate manpower under OER2 roles.
Lead operations team during critical plant activities.
Mentor and coach junior operators on troubleshooting and safe work practices.
Train personnel on ammonia pump draining, flushing, and maintenance handover procedures.
Collaborate closely with cross-functional teams to ensure timely task completion.
Safety, Compliance & Permit Control
Appointed as Permit to Work Authorised Applicant (PTW AA).
Certified AESP (Authorised Entrant & Standby Person) for confined space operations.
Ensure strict adherence to safety procedures and regulatory requirements.
Turnaround (TA) Experience
Participated in major plant turnarounds: 2006, 2009, 2012, 2015, 2018, 2021, 2026.
Key contributions:
Equipment preparation and handover for maintenance
Coordination with contractors and witnessing testing of control and safety valves
Execution of confined space duties (AESP)
Support safe plant restart and commissioning activities
Continuous Improvement & Initiative
Contribute ideas to enhance plant efficiency, safety, and reliability.
Demonstrate strong ownership, accountability, and proactive problem-solving.
Provide technical guidance and support to internal teams.
Support production optimization and team capability development.Executed preventative maintenance on key machines, reduced downtime significantly.
Key Competencies
Process Plant Operations (Urea / Ammonia)
Troubleshooting & Root Cause Analysis
Startup / Shutdown / Commissioning
Safety & Permit to Work (PTW, AESP)
Instrumentation & Mechanical Multiskilling
Leadership & Team Supervision
Turnaround (TA) Execution
DCS & Field Operations Monitoring
Important Upgrade Suggestion
This is already strong—but to stand out more, you should add:
Results (e.g. % downtime reduced, zero incident record)
Key projects (like your startup bin project)
- Conducted comprehensive risk assessments prior to every task; promoted safer work practices in the organisation.
- Coordinated closely with wider team members for successful completion of tasks within deadlines.
- Identified potential issues through meticulous evaluation of technical specifications and blueprints, prevented costly repairs.
- Facilitated smoother project execution by effectively liaising with engineers and other technicians.
Assistant Supervisor
Bintulu Edible Oils Sdn Bhd
Bintulu, Malaysia
1999.10 - 2006.02
Key Responsibilities & Technical Scope Technical Skills
~2003 – 10 February 2006
Started as a Trainee Fitter (Grade 1B) and, after a 3-month confirmation period, progressed to Maintenance Fitter. Subsequently promoted to Assistant Supervisor based on performance and technical competency. Resigned to pursue a career opportunity with ASEAN Bintulu Fertilizer Sdn Bhd.
Mechanical Maintenance & Repair
- Conducted corrective and preventive maintenance on rotating and static equipment.
- Replaced defective components including bearings, screw conveyors, belt pulleys, and bucket elevators (including belting systems).
- Performed pump overhaul activities: dismantling, inspection, reassembly, and component replacement.
- Replaced defective block valves and executed mechanical pipe repairs and new piping installations.
Fabrication & Welding
- Performed welding using Shielded Metal Arc Welding (SMAW) techniques.
- Determined suitable welding methods and equipment based on job requirements.
- Prepared materials using angle grinders and executed welding according to specifications.
Plant Operations & Multi-Role Capability
- Supported plant operations as an operator when required.
- Performed truck weighing and shipment loading coordination.
- Assisted in laboratory sampling/testing activities when needed.
Equipment Reliability & First-Line Maintenance
- Executed first-line maintenance tasks:Strainer cleaning
Transmitter fast purging
Leak rectification
Lubrication (lube oil top-up, greasing) - Maintained equipment in normal operating condition in accordance with SOPs.
Safety & Compliance
- Performed routine checks on safety equipment to ensure availability and functionality.
- Ensured all mechanical work complied with plant safety standards and procedures.
Supervisory Responsibilities (Assistant Supervisor)
- Coordinated manpower and maintenance activities.
- Ensured safe execution of maintenance jobs and adherence to timelines.
- Provided guidance to junior technicians and workers on mechanical tasks.
- Coordinated with other department supervisors to streamline inter-departmental projects.
- Improved team productivity by implementing efficient workflow strategies.
- Assisted in the development of training programmes for new recruits, increased skill levels across the team.
- Mechanical Maintenance & Troubleshooting
- Pump Overhaul & Rotating Equipment
- Conveyor & Material Handling Systems
- Industrial Piping & Valve Replacement
- Arc Welding (SMAW)
- Preventive & Corrective Maintenance
- Plant Operations Support
Education
Skill certificate - Mechanical-Juruggegas (Basic)
Sekolah Menengah Vokasional Bintulu
Bintulu 1995.01 - 1996.11
Skill certificate - SMAW (MMA) process, GTAW(TIG) process, GMAW (MIG) process
Pusat Latihan Pembangunan Belia
Kuching 1998.06 - 1999.09
Skills
- Technician Process Experienced
- Communication Expert
- Problem solving Expert
- Dexterity Expert
- Analysis Experienced
LANGUAGES
English Advanced
Malay Advanced
Accomplishments
- Has achieved a competency in the following the task in ABF: COC grade NT5. (MT -Process Engineering)
- Already to assigned as PTW AA (Area Authority)
- As IA (Internal assessor)
- Joined to NON -executive technical exchange program on 01 st April 2012 until 31st May 2012 at Petronas Fertilizer Kedah Sdn Bhd
- AESP
- As Emergency Response Team (ERT)
Affiliations
- Cycling, Run
Timeline
Technician (MT -Process Engineering)
Asean Bintulu Fertilizer Sdn Bhd
2006.03 - 2026.05
Assistant Supervisor
Bintulu Edible Oils Sdn Bhd
1999.10 - 2006.02
Skill certificate - SMAW (MMA) process, GTAW(TIG) process, GMAW (MIG) process
Pusat Latihan Pembangunan Belia
1998.06 - 1999.09
Skill certificate - Mechanical-Juruggegas (Basic)
Sekolah Menengah Vokasional Bintulu
1995.01 - 1996.11
COURSES
- Jun 2006 - Jun 2006 Confine Space Induction Niosh Confine Space training on 15/06/2006
- Jun 2007 - Jun 2007 Confine Space Safety Course NIOSH Confine Space Safety Course (Authorised Entrant & Standby Person) on 25-26 Jun 2007
- Jul 2007 - Jul 2007 Authorised Gas Tester NIOSH Authorised Gas Tester for ABF
- Mar 2008 - Mar 2008 Advance Industrial Fire Fighting CEFS Response Advance Industrial Fire Fighting on 17- 18 th 2008
- Aug 2008 - Aug 2008 Basic First Aid & CPR course Persatuan Bulan Sabit Malaysia Basic First Aid & CPR course completed on 08/08/2008-10/08/2008
- Nov 2008 - Nov 2008 Advance Fire Fighting SMTC Succesfully completed an approved course Advance Fire Fighting on 08/11/2008
- Apr 2009 - Apr 2009 Steam boiler driver- 2nd & 1st grade PERMATA INSTEP Has successfully completed Steam boiler driver- 2nd & 1st grade held on 6-9 April 2009
- Sep 2010 - Sep 2010 ICC (Innovative & Creative circle) Malaysia Productivity Corporation (MPC) Has attend a course of intruction in ICC (Innovative & Creative circle) on 23-24 September 2010
- Feb 2011 Fire Team Member (refresher) SMTC For having successfully completed an approve course for Fire Team Member (refresher) on 14/02/2011-15/02/2011
- Jun 2010 - Jun 2010 Confine space safety course (Authorised Entrant &Standby Person) NIOSH Confine space safety course (Authorised Entrant &Standby Person) on 13-14 Jun 2010
- Mar 2011 - Mar 2011 Steam boiler driver- 2nd & 1st grade Permata Instep Has successfully completed Steam boiler driver- 2nd & 1st grade held on 29-30 March 2011
- Mar 2013 - Mar 2013 ICC (Innovative & Creative circle) MPC ICC (Innovative & Creative circle) on 18 March 2013
- Nov 2013 - Nov 2013 PESITAS-Steam boiler driver- 2nd & 1st grade Instep Has successfully completed PESITAS-Steam boiler driver- 2nd & 1st grade on 11-14 November 2013
- Jul 2022 - Jul 2022 Pecas A&T training Instep Has successfully attended Pecas A&T on 27-28 July 2022
- Jul 2018 - Jul 2018 Advance Industrial Fire Fighting BEST Has successfully completed Advance Industrial Fire Fighting on 15-16 July 2018
- Feb 2020 - Feb 2020 ABF ERT Advance Industrial & Structure Fire Fighting BEST Has successfully completed ABF ERT Advance Industrial & Structure Fire Fighting on 19-20 February 2020
COURSES
- Jun 2006 - Jun 2006 Confine Space Induction Niosh Confine Space training on 15/06/2006
- Jun 2007 - Jun 2007 Confine Space Safety Course NIOSH Confine Space Safety Course (Authorised Entrant & Standby Person) on 25-26 Jun 2007
- Jul 2007 - Jul 2007 Authorised Gas Tester NIOSH Authorised Gas Tester for ABF
- Mar 2008 - Mar 2008 Advance Industrial Fire Fighting CEFS Response Advance Industrial Fire Fighting on 17- 18 th 2008
- Aug 2008 - Aug 2008 Basic First Aid & CPR course Persatuan Bulan Sabit Malaysia Basic First Aid & CPR course completed on 08/08/2008-10/08/2008
- Nov 2008 - Nov 2008 Advance Fire Fighting SMTC Succesfully completed an approved course Advance Fire Fighting on 08/11/2008
- Apr 2009 - Apr 2009 Steam boiler driver- 2nd & 1st grade PERMATA INSTEP Has successfully completed Steam boiler driver- 2nd & 1st grade held on 6-9 April 2009
- Sep 2010 - Sep 2010 ICC (Innovative & Creative circle) Malaysia Productivity Corporation (MPC) Has attend a course of intruction in ICC (Innovative & Creative circle) on 23-24 September 2010
- Feb 2011 Fire Team Member (refresher) SMTC For having successfully completed an approve course for Fire Team Member (refresher) on 14/02/2011-15/02/2011
- Jun 2010 - Jun 2010 Confine space safety course (Authorised Entrant &Standby Person) NIOSH Confine space safety course (Authorised Entrant &Standby Person) on 13-14 Jun 2010
- Mar 2011 - Mar 2011 Steam boiler driver- 2nd & 1st grade Permata Instep Has successfully completed Steam boiler driver- 2nd & 1st grade held on 29-30 March 2011
- Mar 2013 - Mar 2013 ICC (Innovative & Creative circle) MPC ICC (Innovative & Creative circle) on 18 March 2013
- Nov 2013 - Nov 2013 PESITAS-Steam boiler driver- 2nd & 1st grade Instep Has successfully completed PESITAS-Steam boiler driver- 2nd & 1st grade on 11-14 November 2013
- Jul 2022 - Jul 2022 Pecas A&T training Instep Has successfully attended Pecas A&T on 27-28 July 2022
- Jul 2018 - Jul 2018 Advance Industrial Fire Fighting BEST Has successfully completed Advance Industrial Fire Fighting on 15-16 July 2018
- Feb 2020 - Feb 2020 ABF ERT Advance Industrial & Structure Fire Fighting BEST Has successfully completed ABF ERT Advance Industrial & Structure Fire Fighting on 19-20 February 2020
INTERESTS
Cycling, Camping, Hiking
REFERENCES
- Majidi, Bin Aben, Electrical Technician, 0148997744, PTTEP SWK OIL LTD
- Dolhan, Bin Ahmad, Dolhana@pttep.com, +60128727715, PTTEP Sdn bhd
- Avery, Paul Kanying, Well Service Supervisor, avery.paulkanying@petronas.com.my, +60109554265, Petronas Carigali Sdn Bhd
- Effendie, bin Johari, Head (OIM KAKG) Upstream/SKA, effendiejohari@petronas.com.my, +608 - 6307 737, Petronas Carigali Sdn Bhd
- Mohammad Yakup, bin Abdul Razak, mohdyakup@someoffshore.com, +60828702741, Some Offshore engineering & service Sdn Bhd
COURSES
- Jun 2006 - Jun 2006 Confine Space Induction Niosh Confine Space training on 15/06/2006
- Jun 2007 - Jun 2007 Confine Space Safety Course NIOSH Confine Space Safety Course (Authorised Entrant & Standby Person) on 25-26 Jun 2007
- Jul 2007 - Jul 2007 Authorised Gas Tester NIOSH Authorised Gas Tester for ABF
- Mar 2008 - Mar 2008 Advance Industrial Fire Fighting CEFS Response Advance Industrial Fire Fighting on 17- 18 th 2008
- Aug 2008 - Aug 2008 Basic First Aid & CPR course Persatuan Bulan Sabit Malaysia Basic First Aid & CPR course completed on 08/08/2008-10/08/2008
- Nov 2008 - Nov 2008 Advance Fire Fighting SMTC Succesfully completed an approved course Advance Fire Fighting on 08/11/2008
- Apr 2009 - Apr 2009 Steam boiler driver- 2nd & 1st grade PERMATA INSTEP Has successfully completed Steam boiler driver- 2nd & 1st grade held on 6-9 April 2009
- Sep 2010 - Sep 2010 ICC (Innovative & Creative circle) Malaysia Productivity Corporation (MPC) Has attend a course of intruction in ICC (Innovative & Creative circle) on 23-24 September 2010
- Feb 2011 Fire Team Member (refresher) SMTC For having successfully completed an approve course for Fire Team Member (refresher) on 14/02/2011-15/02/2011
- Jun 2010 - Jun 2010 Confine space safety course (Authorised Entrant &Standby Person) NIOSH Confine space safety course (Authorised Entrant &Standby Person) on 13-14 Jun 2010
- Mar 2011 - Mar 2011 Steam boiler driver- 2nd & 1st grade Permata Instep Has successfully completed Steam boiler driver- 2nd & 1st grade held on 29-30 March 2011
- Mar 2013 - Mar 2013 ICC (Innovative & Creative circle) MPC ICC (Innovative & Creative circle) on 18 March 2013
- Nov 2013 - Nov 2013 PESITAS-Steam boiler driver- 2nd & 1st grade Instep Has successfully completed PESITAS-Steam boiler driver- 2nd & 1st grade on 11-14 November 2013
- Jul 2022 - Jul 2022 Pecas A&T training Instep Has successfully attended Pecas A&T on 27-28 July 2022
- Jul 2018 - Jul 2018 Advance Industrial Fire Fighting BEST Has successfully completed Advance Industrial Fire Fighting on 15-16 July 2018
- Feb 2020 - Feb 2020 ABF ERT Advance Industrial & Structure Fire Fighting BEST Has successfully completed ABF ERT Advance Industrial & Structure Fire Fighting on 19-20 February 2020
INTERESTS
Cycling, Camping, Hiking
REFERENCES
- Majidi, Bin Aben, Electrical Technician, 0148997744, PTTEP SWK OIL LTD
- Dolhan, Bin Ahmad, Dolhana@pttep.com, +60128727715, PTTEP Sdn bhd
- Avery, Paul Kanying, Well Service Supervisor, avery.paulkanying@petronas.com.my, +60109554265, Petronas Carigali Sdn Bhd
- Effendie, bin Johari, Head (OIM KAKG) Upstream/SKA, effendiejohari@petronas.com.my, +608 - 6307 737, Petronas Carigali Sdn Bhd
- Mohammad Yakup, bin Abdul Razak, mohdyakup@someoffshore.com, +60828702741, Some Offshore engineering & service Sdn Bhd