Blue Wave New Energy Technology Nigeria Company Limited is an innovative new energy company headquartered in Nigeria, committed to providing economical and sustainable power energy solutions to the African continent. The company was founded in 2023 and is headquartered in Lagos, with R&D and manufacturing centres in Jiangxi, China.
With cost-effective products and innovative business models, Blue Wave New Energy is committed to contributing clean and reliable power energy to Africa's progress and prosperity. Its product lines cover solar lighting systems, portable energy storage equipment, home-integrated energy storage systems, and outdoor mobile power platforms to meet customers' power needs in multiple scenarios.
We are recruiting to fill the position below:
Job Title: Engineering Supervisor
Location: Ikeja Lagos
Employment Type: Full-time
Department: Engineering and Technical Services
Reports To: Engineering Manager / Operations Manager
Supervises: Installation Engineers, Service Engineers, Technicians, and Subcontractors
Job Summary
- Due to continued business expansion, BlueWave is recruiting an experienced and technically capable Engineering Supervisor to lead installation, commissioning, maintenance, and technical-support activities.
Main Objective
- Ensure every project is correctly designed, safely installed, properly commissioned, and delivered on time
- This is a technical leadership position. The Engineering Supervisor must be able to supervise people and independently solve complex electrical, inverter, battery, and solar-system problems.
Key Responsibilities
Site Survey and Technical Assessment:
- Assess roof area, shading, equipment location, ventilation, cable routes, earthing, fire safety, and installation risks.
- Confirm whether the proposed system can support the customer’s actual operating requirements.
- Prepare complete site-survey reports, photographs, load schedules, and engineering recommendations.
- Measure and record single-phase and three-phase voltage, current, load, power factor, and operating conditions.
- Review electricity bills, generator capacity, diesel consumption, existing inverters, batteries, and solar systems.
- Conduct technical site surveys for residential, commercial, and industrial projects.
- Identify the customer’s critical loads, non-critical loads, maximum concurrent load, and starting-surge requirements.
System Design and Equipment Selection:
- Select the correct:
- AC and DC cable sizes
- Battery capacity
- Inverter or PCS capacity
- Solar PV capacity
- Battery configuration
- PV string configuration
- MCCB, MCB, RCBO, SPD, fuse, isolator, ATS, and protection devices
- Distribution board, combiner box, busbar, and earthing system
- Design residential and commercial solar and energy-storage systems.
- Ensure the proposed solution can be safely expanded in the future.
- Design sequential-starting or load-shedding arrangements where necessary.
- Calculate maximum concurrent load instead of simply adding all installed equipment.
- Consider air-conditioner, refrigerator, pump, compressor, motor, and elevator starting current.
- Review single-phase, three-phase, parallel-inverter, and phase-balancing requirements.
Installation Supervision:
- Prepare installation plans, manpower requirements, tools, materials, and project timelines.
- Prevent unsafe temporary connections and unapproved modifications.
- Supervise solar panels, inverters, batteries, distribution boards, protection devices, cables, and earthing installations.
- Assign engineers and technicians to installation projects.
- Confirm correct polarity, phase sequence, torque, battery communication, and equipment settings.
- Check all work before the system is energized.
- Ensure all cables are correctly sized, terminated, labelled, supported, and protected.
- Stop any unsafe or technically incorrect installation immediately.
- Ensure subcontractors follow BlueWave drawings, standards, and safety requirements.
System Commissioning:
- Train customers on system operation, safety, and basic fault response.
- Complete and sign commissioning checklists before handover.
- Test the system under realistic customer loads.
- Confirm that the system can support expected continuous and starting loads.
- Verify:
- Inverter output
- Battery charging and discharging
- Solar PV input
- Grid input
- Load transfer
- Protection settings
- Generator input
- Communication between inverter, battery, BMS, and EMS
- ATS and bypass operation
- Backup operation
- Remote monitoring
- Emergency shutdown
- Record voltage, current, frequency, power, battery SOC, charging power, and operating results.
- Lead the testing and commissioning of completed systems.
Fault Diagnosis and Technical Support:
Engineering Team Management:
- Supervise installation engineers, service engineers, technicians, and subcontractors.
- Train engineers on new products, installation standards, fault diagnosis, and safety.
- Build a culture of responsibility, quality, safety, and problem resolution.
- Assign daily and weekly work based on priority, competence, and location.
- Identify performance gaps and recommend retraining or disciplinary action.
- Conduct daily technical briefings and weekly performance reviews.
- Ensure engineers do not leave a customer’s site without completing required tests and documentation.
- Evaluate the technical competence of engineering staff.
- Review job reports, site photographs, material usage, and customer feedback.
Project Quality Control:
The Engineering Supervisor must inspect and approve every major project stage:
- Site survey
- Installation
- Post-installation inspection
- Customer handover
- Electrical testing
- Commissioning
- System design
- Material preparation
The supervisor must ensure:
- All defects are corrected before customer handover.
- The installed system matches the approved design.
- Batteries and inverters are properly configured.
- No unauthorized materials are used.
- The installation is neat, safe, labelled, and serviceable.
- Cable sizes are suitable for the current and installation distance.
- Protection devices are correctly selected.
Safety Management:
- Confirm that fire extinguishers and emergency procedures are available where required.
- Enforce electrical and workplace safety requirements.
- Ensure lithium batteries are installed in suitable, ventilated, secure, and protected locations.
- Ensure safe ladder, roof, battery, cable, and lifting practices.
- Ensure engineers use appropriate personal protective equipment.
- Report accidents, near misses, unsafe conditions, and equipment damage.
- Enforce lockout, isolation, and testing procedures before electrical work.
- Conduct risk assessments before installation.
- Prevent live work except where formally authorized and properly controlled.
Materials and Tools Control:
- Prevent material wastage, unauthorized substitution, and theft.
- Report defective products with proper technical evidence.
- Track materials issued, used, returned, damaged, or missing.
- Ensure engineers use the correct tools and testing equipment.
- Coordinate with the warehouse and procurement teams to avoid project delays.
- Confirm required materials before engineers leave for the site.
- Prepare accurate bills of materials for installations.
Engineering Documentation:
The Engineering Supervisor is responsible for ensuring that every project has:
- Site-survey report
- Single-line diagram
- Customer load-assessment form
- Customer handover form
- Installation checklist
- All technical records must be complete, accurate, and submitted on time.
- Site photographs
- System settings record
- Equipment schedule
- Bill of materials
- Commissioning report
- Cable and protection schedule
- Fault-resolution report where applicable
- Warranty and maintenance record
Key Performance Indicators
- Commissioning checklist completion
- Customer technical complaints resolved within agreed time
- First-time installation acceptance rate
- Serious safety violations
- At least 90%
- Projects completed within the approved schedule
- Customer satisfaction after technical service
- KPI
- 100%
- At least 90%
- Maximum 2%
- Performance Standard
- At least 90%
- 100%
- Zero
- Safety compliance rate
- At least 95%
- Projects with complete technical documentation
- Repeat faults caused by incorrect installation
- At least 95%
- Maximum 3%
- 100%
- Material variance or unexplained material loss
- At least 95%
- Preventive maintenance completed on schedule
- Engineer job-report submission rate
Qualification Requirements
Education:
- Relevant professional or technical certification will be an advantage.
- HND or Bachelor’s degree in Electrical Engineering, Electronics Engineering, Power Engineering, Renewable Energy, or a related technical discipline.
Experience:
- Experience with large commercial or industrial energy-storage systems is strongly preferred.
- At least two years of experience supervising engineers, technicians, or installation teams.
- Proven experience delivering residential and commercial projects.
- At least five years of practical electrical, solar, inverter, battery, or energy-storage experience.
Mandatory Technical Competence:
The candidate must have practical knowledge of:
- AC and DC distribution systems
- Load assessment and maximum-demand calculation
- 220/230V and 380/400/415V systems
- Electrical drawings and single-line diagrams
- Generator integration
- System commissioning and fault diagnosis
- Inverter parallel operation
- PV string sizing and MPPT configuration
- Motor and compressor starting current
- Low-voltage and high-voltage lithium batteries
- Cable sizing and voltage-drop calculation
- Three-phase inverter configuration
- Earthing and lightning protection
- Hybrid and off-grid inverters
- Single-phase and three-phase electrical systems
- Excel, engineering reports, and technical documentation
- BMS and inverter communication
- MCCB, MCB, RCBO, fuse, SPD, isolator, ATS, and STS
Preferred Candidate Profile:
The ideal candidate should:
- Be comfortable managing multiple projects and engineering teams.
- Be able to explain technical matters clearly to customers and staff.
- Be willing to take responsibility for project outcomes.
- Be honest, responsible, safety-conscious, and results-driven.
- Be able to identify mistakes before a system is energized.
- Be able to work under pressure without compromising quality.
- Be technically strong and able to work independently.
- Focus on solving the root cause of problems.
- Be disciplined in documentation and reporting.
- Be willing to visit project sites and respond to urgent technical issues.
Performance Evaluation Areas:
The Engineering Supervisor will be assessed on:
- Safety compliance
- Technical accuracy
- Customer satisfaction
- Team productivity
- A project will not be considered successfully completed merely because equipment has been installed. It is only completed when the system operates correctly, safely supports the agreed loads, passes commissioning, and is accepted by the customer.
- Fault-resolution ability
- Documentation quality
- Installation quality
- Material control
- Ability to prevent repeat problems
- Project delivery speed
Career Path:
- Engineering Supervisor ? Senior Engineering Supervisor ? Engineering Manager ? Head of Engineering / Technical Director
Employment and Compliance Requirements:
- All technical recommendations must be based on actual measurements, calculations, and approved standards.
- The supervisor must not approve an unsafe or incomplete installation.
- Unauthorized private work using company customers, staff, tools, or materials is prohibited.
- Customer problems must be fully investigated and properly closed.
- False reports, fake site visits, incomplete inspections, and unauthorized material substitutions are prohibited.
- Company tools, materials, drawings, customer data, and technical information must be protected.
Compensation and Career Development
BlueWave offers:
- Leadership-development opportunities
- Competitive monthly salary
- Career advancement based on performance.
- Project-performance incentives
- Product training
- Technical training
How to Apply
Interested and qualified candidates should send their CV to: [email protected] using the Job Title as the subject of the email
Application Requirements
Applicants should submit:
- List of major projects completed
- Academic and technical qualifications
- Updated CV
- Details of solar, inverter, battery, and electrical experience
- Earliest available starting date
- Current residential address
- Details of previous team-supervision experience
Application Deadline:
31st August, 2026.
