Job Vacancies at O.K. Isokariari & Sons (Nigeria) Limited

O.K. Isokariari Nigeria Limited is a leading Engineering, Procurement and Construction company with over 45 years of work experience. We are known for our pragmatic value delivery, which flows from our people centric approach, committed professionals and prudent management.

We are recruiting to fill the following positions below:

1.) Quality Assurance / Quality Control (QA/QC) Engineer

Job Location: Port Harcourt, Rivers
Employment Type: Full-time

Job Description

• We are seeking a highly skilled QA/QC Engineer to ensure quality control and assurance in our construction projects.
• The successful candidate will develop and implement quality control plans, conduct inspections, and ensure compliance with industry standards and regulations.
• The ideal candidate will have a strong understanding of the construction industry, including quality control principles, regulations, and standards. Experience working with contractors, subcontractors, and suppliers will be an advantage.
• This job description highlights the key responsibilities, requirements, and desirable skills for a QA/QC Engineer in a construction company. It emphasizes the importance of quality control, compliance with regulations, and effective communication.

Responsibilities

• Develop and implement quality control plans, procedures, and checklists for construction projects.
• Ensure quality control plans align with project requirements and industry standards.
• Conduct regular inspections of construction work, including materials, equipment, and workmanship.
• Perform or oversee testing of materials and equipment to ensure compliance with specifications.
• Identify defects, non-conformities, and deviations from specifications.
• Collaborate with construction teams to rectify defects and ensure corrective actions.
• Stay up-to-date with changes to regulations and standards.
• Work closely with construction teams, project managers, and stakeholders to ensure quality standards are met.
• Communicate quality issues and concerns effectively.
• Maintain accurate records of quality control activities, including inspection reports, test results, and non-conformance reports.
• Provide regular quality reports to project managers and stakeholders.
• Ensure compliance with relevant construction industry regulations, standards, and codes
• Identify opportunities for process improvements and implement changes to enhance quality control.

Requirements

• Bachelor's Degree in Civil Engineering, or related field.
• Proven experience in QA/QC engineering in construction (8+ years).
• Strong knowledge of construction quality control principles, industry standards, and regulations.
• Excellent analytical, problem-solving, and communication skills.
• Membership in relevant professional bodies is an added advantage (e.g. COREN, MNSE)
• Experience with quality management software and tools (e.g., QMS, QMIS).
• Knowledge of construction industry-specific software (e.g., Autodesk, Revit).
• Ability to work effectively in a fast-paced environment and prioritize tasks.

Application Closing Date: 1st October, 2025.

Click here to apply online 

2.) Workshop Engineer (Construction Equipment)

Job Location: Port Harcourt, Rivers
Employment Type: Full-time

Job Description

• We are seeking a highly skilled Workshop Engineer to join our team, specializing in the maintenance, repair, and overhaul of construction equipment, including Caterpillar, trucks, and other heavy-duty machinery.
• The successful candidate will be responsible for ensuring that all equipment is functioning efficiently, safely, and effectively.
• The ideal candidate will have a strong understanding of construction equipment, including Caterpillar, trucks, and other heavy-duty machinery, as well as experience working in a workshop environment.
• Familiarity with construction industry practices and standards will be an advantage.

Responsibilities

• Perform routine maintenance, troubleshooting, and repair of construction equipment, including Caterpillar, trucks, and other heavy-duty machinery.
• Conduct inspections, diagnose problems, and implement repairs to ensure equipment is functioning correctly.
• Develop and implement preventive maintenance schedules to minimize downtime and extend equipment lifespan.
• Conduct regular inspections and maintenance tasks to prevent equipment failures.
• Overhaul and refurbish construction equipment, including engines, transmissions, and hydraulic systems.
• Ensure that all work meets quality and safety standards.
• Troubleshoot complex technical issues with construction equipment and develop effective solutions.
• Collaborate with other teams to resolve equipment-related issues and improve overall efficiency.
• Ensure that all work is carried out in accordance with safety regulations, company policies, and industry standards.
• Conduct safety inspections and risk assessments to identify potential hazards and implement corrective actions.
• Ensure that all repairs and maintenance work meets quality standards and is thoroughly tested before equipment is returned to service.
• Maintain accurate records of maintenance, repairs, and inspections.
• Work closely with other teams, including operations and maintenance, to ensure that equipment is available and functioning correctly.
• Communicate effectively with colleagues, supervisors, and customers regarding equipment status, issues, and repairs.

Requirements

• Bachelor's degree in Mechanical Engineering, Automotive Engineering, or related field.
• 10 years of proven experience in maintaining and repairing construction equipment, including Caterpillar, trucks, and other heavy-duty machinery.
• Strong knowledge of mechanical, hydraulic, and electrical systems used in construction equipment.
• Excellent problem-solving, analytical, and communication skills.
• Ability to work effectively in a fast-paced environment and prioritize tasks to meet deadlines.
• Experience with workshop management software and maintenance management systems.
• Knowledge of industry-specific safety regulations and standards.

Application Closing Date: 1st October, 2025.

Click here to apply online

3.) Project Manager

Job Location: Port Harcourt, Rivers
Employment Type: Full-time

Job Description

• We are seeking an experienced Project Manager to oversee construction projects from conception to completion, ensuring timely delivery, budget adherence, and quality standards.
• The successful candidate will lead cross-functional teams, manage stakeholders, and drive projects to successful completion.

Responsibilities

• Develop project plans, including timelines, budgets, and resource allocation.
• Define project scope, goals, and deliverables.
• Lead and manage cross-functional project teams, including construction professionals, engineers, and subcontractors.
• Ensure effective communication, collaboration, and issue resolution.
• Identify, assess, and mitigate project risks, including safety, quality, and environmental risks.
• Develop and implement risk management strategies.
• Track project progress, identify deviations, and implement corrective actions.
• Ensure project stays on schedule, within budget, and meets quality standards.
• Ensure compliance with construction regulations, industry standards, and company policies.
• Implement quality control measures and safety protocols.
• Build and maintain relationships with clients, architects, engineers, contractors, and regulatory authorities.
• Ensure stakeholder expectations are met and issues are resolved.
• Develop and manage project budgets, track expenses, and ensure cost-effectiveness.
• Provide regular project updates to stakeholders, including progress reports and issue escalation.

Requirements

• Bachelor's degree in Construction Management, Civil Engineering, or related field.
• Membership in relevant professional bodies is an added advantage (e.g. COREN, MNSE)
• Experience with project management software (e.g., MS Project, Asana).
• Knowledge of construction industry-specific software (e.g., Autodesk, Revit).
• Proven experience in construction project management (10+ years).
• Strong knowledge of construction methods, regulations, and industry standards.
• Excellent leadership, communication, and problem-solving skills.

Application Closing Date: 23rd September, 2025.

Method of Application
Interested and qualified candidates should send their CV to: hr@okisokariari.com using the Job Position as the subject of the mail.