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Refinery Jobs in Nigeria: Apply Now for Commissioning & Operations (SINCLUS)

The West African downstream petroleum sector is undergoing a massive industrial revolution. Driven by mega-refinery installations, multi-billion-dollar upgrades, and a push for energy independence, Nigeria has emerged as the global epicenter for refinery operations and commissioning.

If you are an experienced oil and gas professional, a major recruitment drive is currently underway. SINCLUS, a premier global technical manpower agency, is sourcing top-tier international and local talent to fill critical operational and commissioning roles for world-class refinery infrastructure in Nigeria.

The global energy landscape is undergoing a dramatic paradigm shift, and at the absolute vanguard of this industrial transformation is the West African downstream sector, making the current surge in refinery jobs in Nigeria one of the most significant economic stories of the decade. As multi-billion-dollar industrial complexes, mega-refineries, and ultra-modern petrochemical hubs transition from the drawing board to full-scale mechanical completion, the demand for specialized technical talent has reached an unprecedented fever pitch. This massive industrial mobilization has placed a bright spotlight on SINCLUS oil and gas recruitment, a premier global technical manpower agency tasked with identifying, vetting, and deploying elite engineering professionals to ensure these highly complex facilities are safely brought online. Within this ecosystem of rapid deployment, the financial incentives are scaling proportionally, driving intense global interest in the oil and gas commissioning engineer salary benchmarks, which reflect the high-stakes, high-risk nature of bringing greenfield refinery installations to life. Concurrently, the hunt for seasoned executive leadership has led to a critical influx of refinery operations manager vacancies, as asset owners aggressively seek out rare professionals capable of steering complex processing blocks, optimizing multi-million-dollar operational budgets, and maintaining flawless process safety management regimes. To fully comprehend the sheer scale of this hiring boom, one must dissect the intricate, highly technical framework of modern refinery commissioning and operations, recognizing that a modern hydrocarbon processing facility is not merely a collection of pipes and vessels, but a massive, interconnected, self-regulating organism that requires flawless execution from day one. In Nigeria, this expansion represents a monumental leap toward regional energy independence, radically shifting the country's economic status from a pure crude exporter to a dominant refined product powerhouse. This tectonic shift creates an ecosystem where mechanical, electrical, instrumentation, and chemical engineers are no longer just maintenance personnel; they are the strategic gatekeepers of national infrastructure. The commissioning phase itself stands as the most critical bottleneck in the lifecycle of any mega-project, requiring a highly specific blend of technical precision, transient problem-solving skills, and a rigorous understanding of international safety codes such as API, ASME, and IEEE. Because a single day of delayed production can result in millions of dollars in lost revenue, international staffing syndicates like SINCLUS focus heavily on sourcing engineers who possess proven track records in hydrotesting, loop checking, rotating machinery alignment, and high-voltage energization. This high demand directly influences the global marketplace for technical talent, driving up the baseline oil and gas commissioning engineer salary to astronomical levels, complete with tax-free expat allowances, premium rotational cycles, comprehensive hazard coverages, and premium sub-Saharan compensation packages designed to attract the world's finest minds away from traditional basins like the North Sea or the Gulf Coast. At the same time, the transition from the frantic, deadline-driven environment of pre-commissioning to the steady-state, long-term efficiency of daily production requires a entirely different set of leadership competencies, which explains the high volume of refinery operations manager vacancies appearing across global job boards. An operations manager in this high-octane context must serve as both a master technical strategist and an elite team leader, carrying bottom-line responsibility for the daily mass balance, catalyst health, thermal efficiency, and environmental compliance of complex units like the Fluid Catalytic Cracking Unit (FCCU), Residue Fluid Catalytic Cracking (RFCC), Hydrocrackers, and Continuous Catalytic Reformers (CCR). The convergence of these operational realities means that anyone looking to secure refinery jobs in Nigeria must present a CV that is heavily optimized, demonstrating a profound grasp of operational risk mitigation, permit-to-work systems, lock-out/tag-out (LOTO) procedures, and transient process troubleshooting. Through strategic talent pipelines managed by SINCLUS oil and gas recruitment, hundreds of highly qualified candidates are currently undergoing rigorous screening processes, preparing to step onto the plant floors of Nigeria’s most ambitious energy projects to drive the next generation of industrial excellence. This collective movement of human capital, advanced machinery, and financial investment cements Nigeria's position as the most exciting frontier for downstream oil and gas professionals today, creating a unique career window where specialized expertise is met with maximum professional prestige and unparalleled financial reward.

This comprehensive guide breaks down the open vacancies, specific qualifications, day-to-day responsibilities, and key instructions on how to apply directly to secure your next career-defining role.

Why Refinery Commissioning & Operations in Nigeria?

Commissioning and starting up a refinery is one of the most complex, high-stakes undertakings in the modern industrial world. Unlike steady-state daily operations, the commissioning phase requires an elite caliber of engineering expertise. Systems must be tested, validated, and safely energized before hydrocarbons are introduced.

Because of the extreme technical demands, these positions command exceptionally high compensation packages, tax-free expat benefits (where applicable), comprehensive rotational schedules, and unparalleled career prestige.

If you are looking to elevate your professional profile, working on a major Nigerian refinery project offers hands-on experience with some of the largest and most technically advanced processing units in existence.

Detailed Breakdown of Open Vacancies

Below is a detailed analysis of all nine critical vacancies currently open for recruitment. Review these profiles carefully to align your CV with the exact competencies the shortlisting team is seeking.

1. Mechanical Commissioning Engineers (Static)

Static equipment forms the structural backbone of any refinery. This role focuses on the structural integrity, pressure-containment, and safe integration of non-moving plant assets.

• Key Asset Focus: Pressure vessels, distillation columns, heat exchangers, storage tanks, piping systems, steam boilers, and pressure safety valves (PSVs).

• Primary Responsibilities:

  • Oversee pre-commissioning cleaning, including chemical cleaning, air blowing, and steam blowing of static systems and piping.

  • Perform internal and external inspections of columns and vessels before final box-up to ensure compliance with design drawings and process requirements.

  • Manage and witness hydrostatic (hydrotesting) and pneumatic leak testing of piping networks and static equipment.

  • Verify cold alignment, bolt tensioning, flange management, and structural supports across all processing units.

  • Review piping and instrumentation diagrams (P&IDs) to execute functional test procedures and system walk-downs (punch listing).

• Required Profile: Bachelor's degree in mechanical engineering with proven commissioning experience specifically focused on static equipment in major downstream refinery projects.

2. Mechanical Commissioning Engineers (Rotating)

Where static engineers secure the structure, rotating engineers bring the plant to life. This position is highly technical, focusing on machinery that converts energy into flow, pressure, and mechanical movement.

• Key Asset Focus: Centrifugal and reciprocating compressors, multistage pumps, steam turbines, gas turbines, mixers, blowers, and diesel generators.

• Primary Responsibilities:

  • Supervise pre-commissioning run-ins, solo runs, and uncoupled/coupled test runs of critical machinery.

  • Perform and verify precision laser alignment and shaft alignment of rotating assemblies.

  • Conduct vibration analysis, bearing temperature monitoring, and mechanical seal seal-flush system checks during initial startup.

  • Coordinate lube oil system flushing, oil mist lubrication system verification, and dry gas seal commissioning.

  • Troubleshoot machinery trips, surging issues in compressors, and mechanical failures during transient startup phases.

• Required Profile: Degree in Mechanical Engineering, extensive rotating equipment commissioning experience, and deep familiarity with API standards (API 610, API 617, etc.).

3. Instrument Commissioning Engineers

Modern refineries are highly automated, self-correcting ecosystems. Instrument Commissioning Engineers bridge the gap between physical refinery assets and control algorithms to ensure safe, automated operations.

• Key Asset Focus: Distributed Control Systems (DCS), Emergency Shutdown Systems (ESD), control valves, smart transmitters, and Fire & Gas (F&G) detection systems.

• Primary Responsibilities:

  • Lead the loop-checking process (cold and hot loop testing) from field instruments to the Central Control Room (CCR).

  • Calibrate, configure, and troubleshoot control valves, shutdown valves (SDVs), blowdown valves (BDVs), and smart transmitters (pressure, temperature, flow, level).

  • Test and validate interlock logic, cause-and-effect matrices, and emergency trip systems to ensure total plant safety integrity.

  • Commission analytical instruments (gas chromatographs, oxygen analyzers, moisture analyzers) crucial for product quality.

  • Manage the field-testing of plant communication and SCADA networks.

• Required Profile: Degree in Instrumentation / Control Systems Engineering. Must have hands-on experience in loop tuning, functional logic testing, and field instrumentation startup in a refinery environment.

4. Electrical Commissioning Engineers

Refineries demand immense electrical power. This role is responsible for ensuring the high-, medium-, and low-voltage distribution systems are safely energized, balanced, and ready to support continuous operation.

• Key Asset Focus: Switchgears (HV/MV/LV), power transformers, Motor Control Centers (MCCs), Uninterruptible Power Supply (UPS) systems, protection relays, and Emergency Diesel Generators (EDGs).

• Primary Responsibilities:

  • Develop and execute step-by-step electrical energization procedures, method statements, and schedules.

  • Perform insulation resistance (Megger) testing, high-potential (Hi-pot) testing on MV/HV cables and contact resistance testing.

  • Conduct protection relay testing, primary/secondary injection testing, and circuit breaker operation checks.

  • Commission the Cathodic Protection (CP) systems to prevent corrosion on underground pipelines and tanks.

  • Ensure seamless synchronization and load-sharing tests of emergency backup power systems under Simulated Blackout (SBO) conditions.

• Required Profile: Bachelor's degree in electrical engineering with substantial post-qualification experience in refinery sub-stations, switchyards, and motor commissioning.

5. General Manager - Operations

This is a high-level executive role. The General Manager (GM) is the ultimate operational custodian of the refinery, holding bottom-line accountability for production, safety, regulatory compliance, and commercial viability.

• Primary Responsibilities:

  • Direct all refining operations, utilities, offsites, and terminal operations to achieve production targets safely and within budget.

  • Formulate and execute strategic operational plans, capital expenditure (CAPEX) programs, and operational expenditure (OPEX) control.

  • Drive a relentless culture of safety, ensuring total adherence to Process Safety Management (PSM) and Environmental, Health, and Safety (EHS) policies.

  • Liaise with external stakeholders, government regulatory bodies, joint-venture partners, and host communities.

  • Lead, mentor, and build a high-performing operational team of directors, managers, and specialized engineers.

• Required Profile: Minimum of 15–20+ years of executive-level management experience in major refining complexes. Proven leadership in managing large-scale facility operations, turnaround planning, and community relations in West Africa is highly valued.

6. Managers - Operations

Operations Managers operate at the tactical level, overseeing specific processing blocks (e.g., Crude Distillation, FCCU, Hydrotreaters, Utilities, or Aromatics) and ensuring day-to-day production plans are met.

• Primary Responsibilities:

  • Manage daily production activities across assigned units, optimizing throughput, chemical consumption, and utility usage.

  • Lead risk assessments, incident investigations, and implement Root Cause Analysis (RCA) for operational deviations or trips.

  • Plan, coordinate, and execute shutdown and turnaround (TAR) schedules in collaboration with maintenance teams.

  • Ensure operational compliance with standard operating procedures (SOPs), environmental permits, and product specifications.

  • Manage shift structures, evaluate team performance, and identify technical training needs.

• Required Profile: Bachelor's degree in chemical or mechanical engineering with 10–15 years of solid supervisory experience in operating high-pressure, high-temperature refinery units.

7. Engineers - Operations

Operations Engineers are the analytical brain trust on the plant floor. They continuously monitor unit performance, troubleshoot daily process issues, and design optimization strategies.

• Primary Responsibilities:

  • Monitor and analyze unit operating parameters (temperatures, pressures, flow rates) to identify bottlenecks and efficiency losses.

  • Formulate and update Standard Operating Procedures (SOPs), pre-commissioning checklists, and Emergency Response Procedures (ERPs).

  • Oversee daily mass and energy balances, catalyst activity tracking, and chemical treatment programs.

  • Collaborate closely with control room operators to adjust process variables for maximum product yield and energy efficiency.

  • Prepare daily, weekly, and monthly technical reports on production metrics and equipment health.

• Required Profile: Degree in Chemical Engineering or Petroleum Engineering. Must have 5+ years of operational engineering experience inside an operating refinery, with strong troubleshooting and analytical modeling capabilities.

8. Supervisors - Operations

Supervisors provide the vital link between management's daily objectives and the front-line field crew. They are constantly on the ground, directing shift-level operations and safety.

• Primary Responsibilities:

  • Lead a shift team of control room and field operators, allocating tasks and verifying work execution.

  • Administer and enforce the Permit to Work (PTW) system, ensuring all maintenance activities are isolated and gas-tested.

  • Respond immediately to plant emergencies, executing safe shutdown sequences if process boundaries are breached.

  • Conduct routine field walkthroughs, identifying and reporting equipment anomalies, leaks, or safety hazards.

  • Manage shift handovers, ensuring all logs, outstanding maintenance issues, and temporary overrides are documented.

• Required Profile: Technical diploma or degree with extensive hands-on experience as a Lead Operator or Supervisor. Must possess exceptional leadership, emergency response, and safety risk mitigation skills.

9. Field Operators

Field Operators are the eyes, ears, and hands of the refinery. They monitor the physical status of equipment on the units, execute field alignments, and perform local manual interventions.

• Primary Responsibilities:

  • Perform regular round inspections of pumps, compressors, furnaces, heat exchangers, and tanks to check for normal operating conditions.

  • Execute manual operations, including line alignments, opening/closing manual valves, oiling machinery, and switching pumps.

  • Prepare equipment for maintenance by executing physical isolations, lock-out/tag-out (LOTO), and draining/flushing of process lines.

  • Monitor local instrumentation readings (pressure gauges, sight glasses, local temperature displays) and report deviations to the Control Room.

  • Draw process samples for laboratory analysis and assist in local chemical dosing.

• Required Profile: Technical Diploma or secondary school certificate with specialized technical training. 3–5+ years of field operations experience in an oil and gas or petrochemical facility is essential.

Qualification Matrix: Quick Comparison

Below is a quick reference matrix summarizing the qualifications, typical experience levels, and primary focal areas for each of the advertised positions:

Job Title	Target Qualification	Est. Experience Required	Key Focus Areas
Mechanical Commissioning (Static)	B.Eng/B.Tech in Mechanical	5–10+ Years	Piping, Vessels, Hydrotesting, Box-ups
Mechanical Commissioning (Rotating)	B.Eng/B.Tech in Mechanical	5–10+ Years	Compressors, Pumps, Turbines, Alignment
Instrument Commissioning	B.Eng/B.Tech in Instrumentation	5–10+ Years	Loop Checks, DCS, ESD, Smart Transmitters
Electrical Commissioning	B.Eng/B.Tech in Electrical	6–10+ Years	Switchgears, HV/MV cables, CP, Transformers
General Manager - Operations	B.Eng / M.Eng + Leadership Certs	15–20+ Years	Plant Profitability, Safety, Strategy, EHS
Managers - Operations	B.Eng in Chemical / Mechanical	10–15+ Years	Process Block Management, Turnarounds, SOPs
Engineers - Operations	B.Eng in Chemical / Petroleum	5–8+ Years	Process Optimization, Mass Balance, Modeling
Supervisors - Operations	B.Sc / Technical Diploma	8–12+ Years	Shift Control, PTW Management, Safety Walks
Field Operators	Diploma / Technical Certification	3–5+ Years	Physical Inspections, LOTO, Manual Valving

CRITICAL TIP FOR APPLICANTS: The shortlisting process for commissioning and startup positions is highly competitive. Ensure your CV clearly highlights "Commissioning & Startup" experience, listing specific processing units (e.g., Crude Unit, Fluid Catalytic Cracking, Hydrocracker, Alkylation, Utility Plant) you have brought online in the past.

How to Apply & Shortlisting Instructions

If your background aligns with any of the roles listed above, follow these exact steps to maximize your chances of getting shortlisted by SINCLUS:

Application Checklist

1. Prepare an Updated CV:

   Ensure your CV is in a clean PDF format. Tailor your resume to clearly emphasize your roles in refinery operations, pre-commissioning, and commissioning. Use metrics wherever possible (e.g., "Successfully commissioned a 100,000 bpd CDU").

2. Gather Supporting Documents:

   Prepare clear scans of your:

   • Educational Degree / Diplomas

   • Professional Certifications (e.g., API, CSWIP, NDT, or NEBOSH)

   • Experience Certificates / Relieving Letters

   • Valid Passport (data page)

3. Draft a Professional Email Cover Letter:

   Your email body is your first impression. Keep it professional and direct:

   
   

   Subject: Application for [Your Targeted Job Title] - Nigeria Refinery Operation
   
   Dear Recruitment Team,
   
   Please find attached my updated CV and supporting documents for the position of [Your Targeted Job Title] (e.g., Mechanical Commissioning Engineer - Rotating) currently open for the refinery operations project in Nigeria.
   
   With over [Number] years of direct experience in [your key area of expertise], I am confident in my ability to add immediate value to this project. 
   
   Key highlights of my profile include:
   - [Highlight 1: Years of refinery experience]
   - [Highlight 2: Key unit commissioning/operating experience]
   - [Highlight 3: High-value projects completed]
   
   I am available for immediate interviews and mobilization. 
   
   Sincerely,
   [Your Full Name]
   [Your Phone Number with Country Code]
   [Your LinkedIn Profile Link]
   
   

4. Send Your Application:

   Email your CV and supporting documents to:

   • Email Address: onb@sinclus.com

Make sure your files are compressed or sent via a secure cloud link if they exceed standard email size limits. Clear and legible attachments will expedite the verification and shortlisting process.