Operations and Maintenance Engineer (CNG Sector)
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Ascentech Services Limited is hiring an experienced Operations & Maintenance Engineer to oversee safe, reliable operation of CNG compressor packages in Arepo, Ogun. The role focuses on preventive and corrective maintenance, troubleshooting, safety compliance, and equipment reliability across mechanical, electrical, and instrumentation systems.
- Full-time role based in Arepo, close to Mowe/Ibafo, Ogun State
- Hands-on CNG compressor operations, preventive and corrective maintenance
- Troubleshoot mechanical, electrical, instrumentation, PLC, and alarm faults
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Ascentech Services Limited is hiring an experienced Operations & Maintenance Engineer to oversee safe, reliable operation of CNG compressor packages in Arepo, Ogun. The role focuses on preventive and corrective maintenance, troubleshooting, safety compliance, and equipment reliability across mechanical, electrical, and instrumentation systems.
- Full-time role based in Arepo, close to Mowe/Ibafo, Ogun State
- Hands-on CNG compressor operations, preventive and corrective maintenance
- Troubleshoot mechanical, electrical, instrumentation, PLC, and alarm faults
- OEM experience with CP, Atlas Copco, KPCL, or TCPL compressors is an added advantage
- Strong focus on safety: PTW, LOTO, leak detection, and CNG safety procedures
AI job guide
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AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- UnclearRelated work experienceThe text mentions experience, but the exact level should be confirmed at source.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in Engineer, Operations, MaintenanceThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in OgunThe vacancy is associated with this location.
- UnclearComfort with the Full Time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Operations and Maintenance Engineer (CNG Sector) evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Ascentech Services Limited and the role in Ogun.
- Add concrete examples related to Engineer, Operations, Maintenance, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobzilla Nigeria; avoid sending documents to unofficial contacts or copied links.
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- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Operations and Maintenance Engineer (CNG Sector) role in Engineer, Operations?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Ogun under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Ascentech Services Limited before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
Operations and Maintenance Engineer (CNG Sector) at Ascentech Services Limited
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Oct 2, 2026, 1:05 PM
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Ascentech Services Limited is a full-fledged Human Resource Solution Provider incorporated in 2013 with its Head Office in Lagos, Nigeria. We are committed to forging long-term partnerships with our clients by creating and delivering robust and flexible services that address the changing needs of their business.
We are recruiting to fill the position below:
Job Title: Operations and Maintenance Engineer (CNG Sector
Location: Arepo, Ogun
Employment Type: Full-time
Job Summary
We are seeking an experienced Operation & Maintenance Engineer to oversee the safe, reliable, and efficient operation and maintenance of electric motor or gas engine-driven CNG compressor packages and associated equipment.
The ideal candidate should have strong hands-on experience in CNG compressor operations, preventive maintenance, troubleshooting, safety compliance, and equipment reliability.
Key Accountabilities
- Perform preventive and corrective maintenance on compressors, gas engines, motors, valves, piping, cooling and lubrication systems.
- Troubleshoot and resolve mechanical, electrical, instrumentation, PLC, alarm, and control-system faults.
- Maintain accurate operating logs, maintenance records, service history, and breakdown reports.
- Carry out routine inspections, start-up and shutdown procedures, and emergency response activities.
- Monitor maintenance schedules, running-hour service intervals, spare parts, lubricants, and other maintenance requirements.
- Replace filters, seals, gaskets, hoses, spark plugs, lubricants, and other consumable/wear components as required.
- Operate and maintain CNG compressor packages to ensure maximum uptime and minimum downtime.
- Inspect and maintain gas detectors, flame detectors, emergency shutdown systems, safety valves, gauges, and other safety equipment.
- Carry out leak detection, pressure checks, equipment isolation, depressurization, and safe restoration after maintenance.
- Monitor compressor operating parameters, including pressure, temperature, oil levels, vibration, and running hours.
Requirements
OEM experience with CP, Atlas Copco, KPCL, TCPL, or equivalent compressor packages is an added advantage.
Strong commitment to safety and adherence to PTW, LOTO, and CNG safety procedures.
Relevant OEM, CNG safety, fire & gas, LOTO, first aid, vibration, or reliability maintenance certification is an added advantage.
Minimum 3 years of hands-on experience with reciprocating compressor maintenance and breakdown troubleshooting.
Experience with PLC/HMI-based control systems and basic electrical/instrumentation troubleshooting.
5–8 years of relevant experience in CNG compressor operation and maintenance, gas compression, oil & gas, CGD, industrial gas, or a related environment.
Diploma or Bachelor's Degree in Mechanical, Electrical, Instrumentation, Automobile Engineering, or a related field.
Strong knowledge of compressor operation, gas engines, multistage compression, lubrication, cooling, and pressure systems.
Salary: N350,000 - N700,000 per month.
How to Apply
Interested and qualified candidates should send their CVs to:
using the Job Title as the subject of the mail.
Application Deadline:
6th October, 2026.
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Ogun State