
Copper Quail Global is recruiting an experienced
Site Engineer
for a major mining and power-generation operation in Sierra Leone. This role suits a senior engineering professional with extensive experience in
diesel power plants, PLC/SCADA systems, and heavy industrial maintenance
, who can thrive in demanding environments while leading multi-disciplinary teams.
The Site Engineer is responsible for the operation, maintenance, troubleshooting, and optimisation of power generation systems, including diesel engines, auxiliary equipment, PLC/SCADA systems, and maintenance planning. A key component of the role includes training and developing local maintenance teams, ensuring safety compliance, and maintaining uninterrupted plant operations.
Plan, schedule, and supervise preventive and corrective maintenance for diesel engines and auxiliary systems.
Lead periodic engine overhauls on units such as Hyundai 9H 21/32 and ABC 16DZC-750 or similar heavy-duty/dual-fuel engines.
Ensure all maintenance adheres to OEM standards, QA/QC requirements, and operational best practices.
Develop, test, and troubleshoot Siemens S7-300 PLC programs.
Configure, integrate, and maintain ET200SP remote I/O stations.
Set up and optimise AVEVA SCADA systems (tags, alarms, trends, graphics).
Diagnose PLC/SCADA faults, communication breakdowns, STOP conditions, and hardware failures.
Maintain redundant PLC/SCADA architectures for operational reliability.
Diagnose complex electrical and mechanical failures and implement effective engineering solutions.
Inspect equipment regularly to identify risks or performance issues.
Oversee corrective actions ensuring minimal downtime and compliance with operational KPIs.
Support powerhouse electrical and mechanical supervisors, providing technical guidance.
Manage work orders, spare parts tracking, inventory levels, and ETA communication.
Maintain accurate maintenance records using CMMS systems.
Identify performance improvement opportunities across systems and processes.
Recommend and implement engineering upgrades, improved workflows, and best practices.
Contribute to long-term reliability strategies for power plant assets.
Conduct JSAs, risk reviews, and enforce lock-out/tag-out (LOTO) procedures.
Perform safety talks, toolbox meetings, and ensure compliance with EHS standards.
Promote and sustain a strong safety culture within engineering teams.
Deliver structured technical training for junior and local staff.
Build competency frameworks and support skills transfer aligned with localisation objectives.
Ensure effective knowledge sharing across mechanical, electrical, and control systems teams.
Minimum HND/Degree in Electrical, Mechanical, Automotive Engineering or related field.
7+ years’ experience in power plants, mining, or heavy industrial maintenance environments.
Previous experience in diesel power stations or heavy engine workshops is highly advantageous.
Strong knowledge of diesel engine operation, power generation systems, electromechanical equipment, and maintenance techniques.
Proven ability to diagnose and resolve complex electrical and mechanical faults.
Experience with Siemens PLCs (S7-300), ET200SP, and AVEVA SCADA.
Ability to read and interpret detailed electrical/mechanical engineering drawings.
Skilled in writing reports, maintaining CMMS records, and managing spares.
High attention to detail with strong process discipline.
Strong leadership and people management abilities.
Excellent communication skills across multicultural teams.
Ability to perform under pressure and be available for emergency call-outs.
High resilience and adaptability in challenging, fast-paced environments.
Remote mining/power plant site
Rotational or residential schedule (depending on candidate preference)
Must be physically and mentally fit for demanding onsite conditions
Work with a major West African mining/power operation.
Lead a critical function with high technical impact.
Competitive USD expatriate package, accommodation, medical, flights.
Career growth in a rapidly expanding engineering and operations environment.
Opportunity to mentor and uplift local engineering talent.
Interested candidates should send the following:
Updated CV
Notice period / availability
Current & expected salary
Relevant certifications

Copper Quail Global is an international recruitment and executive search firm that connects exceptional talent with leading organizations across Africa, the Middle East, Europe, and beyond.
We specialize in Executive Search, Contingency Recruitment, Headhunting, Outsourced Staffing, and Training — helping clients build high-performing teams that drive growth and innovation.
Our strength lies in deep sector expertise and global reach. Backed by years of hands-on industry experience, our consultants partner closely with clients to deliver recruitment strategies that align with each organization’s culture, structure, and long-term goals.
We serve a wide range of industries, including Mining, Oil & Gas, Renewable Energy, FMCG, Agriculture, Financial Services, IT & Telecommunications, Engineering & Manufacturing, and NGOs.
Whether you’re scaling into new markets or strengthening your leadership pipeline, Copper Quail Global provides agile, end-to-end recruitment support designed for impact and longevity.
Why clients choose us:
🌍 Global Reach: Access to an extensive network of talent across continents.
💼 Sector Expertise: Deep understanding of your industry’s dynamics and challenges.
🧭 Tailored Solutions: Custom recruitment strategies built around your objectives.
🏆 Proven Results: A strong record of successful placements and long-term partnerships.
🤝 Exceptional Talent: Connecting you with candidates who lead, innovate, and deliver.
Copper Quail Global — Your trusted partner for global talent and local expertise.