Refinery Operations & Maintenance (O&M) Manager at Jamub Group of Companies

Jamub Group is a conglomerate of different companies duly registered in line with relevant laws of the Federal Republic of Nigeria, the attribute of which makes us a non-cyclical organisation. Established to deliver solutions in the various areas of our business interests, our delivery model spans Business to Business (B2B), Business to Government (B2G) and Business to Consumer (B2C) in the economic value chain with a range of products and services which cut across the industries.

We are recruiting to fill the position below:

Job Title: Refinery Operations & Maintenance (O&M) Manager

Project Reference: 1322-PHRC-OMS – Scope of Work, Annex 1.1 & 5
Location: Port Harcourt, Rivers
Job type: Full Time / Site-Based
Project Name: Port Harcourt Refining Company (PHRC) – O&M Services
Reports To: Project Director / Refinery Leadership Team
Department: Operations & Maintenance
Supervises: Area Superintendents, Shift Managers, Maintenance Leads, Technical Teams

Job Purpose

• The O&M Manager is responsible for the safe, reliable, and efficient operations and maintenance of the Port Harcourt Refinery Complex — including process units, utilities, offsites, tank farm, and jetty operations. 
• The role demands high-level technical proficiency in refinery operations, asset integrity, maintenance strategies, process optimisation, interface management, and compliance with Nigerian regulations and international best practices.

Core Technical Responsibilities
Refinery Operations & Production Management:

• Supervise and coordinate operations across all refinery process units (CDU, VDU, FCCU, NHU, CRU, KHU, GTU, Merox, LPG units).
• Oversee plant startup, steady-state operations, and shutdowns in compliance with standard operating procedures and licensors’ guidelines.
• Develop and enforce production schedules based on the Employer’s monthly/annual production plan.
• Lead troubleshooting efforts for operational upsets or process deviations (e.g., FCCU regeneration cycles, distillation bottlenecks, hydrogen plant balancing).
• Ensure optimal unit performance through monitoring key process variables, catalyst performance, yields, and heat integration efficiency.
• Coordinate blending operations and product specifications to meet local and international quality standards (e.g., PMS, AGO, LPG, DPK, FO).

Maintenance and Integrity Management:

• Direct the execution of preventive, predictive, and corrective maintenance strategies across static and rotating equipment.
• Oversee maintenance planning using CMMS (Computerized Maintenance Management Systems) and ensure backlog and MTBF targets are met.
• Manage inspection and integrity programs including RBI (Risk-Based Inspection), NDE/NDT, PSV testing, piping circuitization, and corrosion monitoring.
• Supervise rotating equipment overhaul schedules: pumps, compressors, turbines, blowers (especially FCCU air systems).
• Ensure readiness and maintenance of safety-critical equipment (e.g., ESD valves, firewater pumps, flare systems, inert gas systems).

Utilities & Offsites Operations:
Ensure continuous operation of utilities such as:

• Steam Generation (boilers & BFPs)
• Cooling water systems
• Demineralized water production
• Instrument and plant air systems
• Nitrogen systems (Cryogenic + PSA)
• Wastewater Treatment and Effluent Handling
• Manage interface and performance of the 3rd-party Power Plant (GEL Utility), including diesel transfer systems.
• Oversee jetty and truck loading operations, product custody transfer systems, and storage tank operations.

Technical & Engineering Oversight:

• Lead and manage process engineering, controls engineering, and technical safety support teams.
• Ensure the development, validation, and continuous improvement of P&IDs, SOPs, Work Instructions, and operating envelopes.
• Drive debottlenecking and process improvement initiatives — including energy efficiency projects, yield maximisation, and feed flexibility.
• Supervise process safety management activities: HAZOP, LOPA, SIL verification, ENVID, and PSSR.

Commissioning & Transition Oversight:

• Lead technical interface with RRC during transition, including:
  • Due diligence and system walkdowns
  • Verification of Rely-Upon Information
  • Participation in Commissioning Readiness Reviews
  • Technical training of O&M staff on new/refurbished systems
• Validate loop checks, interlocks, permissive logic, and control narratives prior to RFSU.
• Oversee handover of all systems from RRC including inspection of punch lists, redline drawings, and OEM documents.

Quality Assurance & Regulatory Compliance:

• Ensure full compliance with Nigerian environmental, health, and process safety laws (FEPA, NESREA, EGASPIN).
• Validate and implement ISO-compliant QMS, EMS, and HSEMS frameworks.
• Conduct internal audits, incident investigations (RCA/FTA), and enforce lessons learned.

Leadership & Organizational Responsibilities

• Provide direction to Shift Superintendents, Console Operators, Field Operators, Maintenance Supervisors, and Process Engineers.
• Oversee organisational readiness, workforce planning, training, and competency assurance.
• Implement strong governance, risk management, and performance review systems using KPIs as defined in Appendix 17.

Performance Indicators

• Plant Availability & Reliability (MTBF, MTTR, Unplanned Shutdowns)
• Production Volume vs Plan
• HSE KPIs (TRIR, LTIR, Near Misses)
• Nigerian Content Compliance
• Budget Adherence (OPEX & Maintenance)

Minimum Qualifications

• Education: BSc or MSc in Chemical, Mechanical, or Petroleum Engineering
• Professional Certification: COREN/Equivalent mandatory; PMP, NEBOSH, or equivalent is a plus
• Experience: 15+ years in refinery O&M, 5+ years in senior operations leadership
• Technical Proficiency: Deep understanding of refinery thermodynamics, control systems (DCS/ESD/PLC), static/dynamic equipment, process safety, and reliability engineering.

Key Tools & Platforms:

• CMMS (SAP PM, Maximo, etc.)
• DCS/SCADA (Yokogawa, Honeywell, Emerson)
• PIMS, LIMS, SIMOPS systems
• Industry software: Aspen HYSYS, PHA Pro, RBI Tools.

Application Closing Date
5th May, 2025.

How to Apply
Interested and qualified candidates should send their CV to: jobs@jamubgroup.com using the job title as the subject of the mail.