Recruitment at O.K. Isokariari Nigeria Limited

O.K. Isokariari Nigeria Limited (O.K.I) is a leading EPC company established in 1972. With over five decades of experience, we specialize in civil engineering and building projects for a diverse range of clients. Our reputation is built on professionalism, efficiency, and unmatched quality.

We are recruiting to fill the position below:

Job Title: Senior Quantity Surveyor

Location: Abuja (FCT)
Employment Type: Full-time

Job Description

• To provide expert commercial and schedule management for large-scale construction and engineering projects.
• This role involves managing the project budget from inception to final account while developing and monitoring complex project schedules to ensure timely delivery within cost constraints.

Responsibilities

• Cost Planning & Estimating: Prepare detailed Bills of Engineering Measurement and Evaluation (BEME) and Bills of Quantities (BOQ) for new tenders.
• Contract Administration: Review and manage construction contracts, ensuring the company’s commercial interests are protected against liquidated damages or unfavorable clauses.
• Valuations & Claims: Prepare and submit monthly interim valuations to clients; manage and negotiate variation orders, ensuring all additional works are documented and paid for.
• Sub-contractor Management: Oversee sub-contractor accounts, from initial procurement and work orders to final account settlement.
• Cost Control: Perform “Cost-to-Complete” (CTC) analysis and budget vs. actual reconciliations to identify and mitigate potential overspends early.
• Master Scheduling: Develop comprehensive Project Master Schedules using Primavera P6 or MS Project, defining the Work Breakdown Structure (WBS) and Critical Path.
• Progress Monitoring: Track physical progress on-site against the baseline schedule. Identify slippages and develop “Catch-up” plans to bring projects back on track.
• Resource Leveling: Analyze labor, plant, and material requirements over the project lifecycle to ensure resources are available when needed.
• Delay Analysis: In the event of project delays, perform Forensic Delay Analysis to support Extension of Time (EoT) claims and protect the company from penalties.
• Monthly / Weekly Progress Reports: Lead the preparation of integrated monthly reports combining financial health (Cash flow) and schedule health (S-Curves).
• Risk Management: Maintain a Project Risk Register, identifying commercial and schedule risks and proposing mitigation strategies to the Executive Management.

Requirements

• Education: Bachelor’s Degree in Quantity Surveying, Building, or Civil Engineering. A Master’s degree is an advantage.
• Professional Membership: Must be a registered member of NIQS (Nigeria Institute of Quantity Surveyors)
• Experience: 10–12 years of experience in the construction industry, with at least 5 years in a senior/lead capacity.
• Software Mastery: Expert proficiency in Primavera P6 or MS Project, and advanced MS Excel for financial modeling. Familiarity with WinQS or CANDY is a plus.
• Negotiation Skills: Ability to negotiate firmly with clients and sub-contractors to maintain profit margins.
• Analytical Mindset: Capacity to interpret complex data from site reports and translate it into financial and schedule forecasts.

Application Closing Date
22nd January, 2026.

How to Apply
Interested and qualified candidates should send their CV to: hr@okisokariari.com using the Job Title as the subject of the email.

Job Title: Asphalt Plant Mechanic

Location: Port Harcourt, Rivers

Job Description

• The Asphalt Plant Mechanic is responsible for the continuous mechanical integrity of the asphalt production facility.
• Your primary focus is to troubleshoot, repair, and maintain heavy industrial machinery, including conveyors, dryers, elevators, and mixing units.
• You will be expected to minimize downtime through rigorous preventive maintenance and rapid emergency repairs in a high-temperature, fast-paced environment.

Responsibilities

• Preventive Maintenance (PM): Execute daily, weekly, and monthly PM schedules. This includes greasing bearings, checking oil levels in gearboxes, and inspecting wear liners.
• Heavy Mechanical Repair: Repair or replace defective parts such as conveyor belts, rollers, chain drives, sprockets, and pugmill paddles.
• Welding & Fabrication: Perform structural repairs and modifications using Arc, MIG, or Oxy-acetylene welding. Fabricate chutes or patches for worn-out steel components.
• Hydraulic & Pneumatic Systems: Maintain and troubleshoot high-pressure hydraulic pumps, cylinders, and pneumatic air compressors used for gate operations.
• Burner & Dryer Maintenance: Inspect and repair the aggregate dryer drum and burner systems to ensure efficient heating and fuel consumption.
• Safety Compliance: Strictly follow Lockout/Tagout (LOTO) procedures and ensure all machine guarding is in place to maintain a zero-accident workplace.

Requirements

• Experience: 4+ years of experience in heavy industrial maintenance. Prior experience specifically with Asphalt Plants (Batch or Drum) or heavy crushing plants is highly preferred.
• Technical Proficiency:
  • Expert-level welding and metal fabrication skills.
  • Deep knowledge of power transmission systems (gearboxes, couplings, and drive chains).
  • Proficiency in reading mechanical drawings and assembly blueprints.
  • Basic understanding of diesel engines (for auxiliary plant equipment).
  • Tool Usage: Skilled in using torque wrenches, dial indicators, hydraulic pullers, and various power tools.

Core Competencies:

• Diagnostic Ability: Can hear a failing bearing or identify a misaligned belt before it causes a total plant shutdown.
• Physical Resilience: Comfortable working at heights (on elevators/silos) and in confined, hot, or dusty spaces.
• Sense of Urgency: Understands that plant downtime translates to massive financial loss and lost paving time.
• Resourcefulness: Ability to perform “field repairs” to keep production moving safely until permanent parts arrive.

Application Closing Date
Not Specified.

How to Apply
Interested and qualified candidates should send their CV to: hr@okisokariari.com using the Job Title as the subject of the email.

Job Title: Trainee Business Development Support Staff

Location: Port Harcourt, Rivers
Employment Type: NYSC

Job Description

• This role is designed for a high-potential individual who is eager to learn the commercial side of the construction and engineering industry.
• The Trainee Business Development Support Staff will work closely with the Business Development Team Lead to identify new opportunities, support the bidding process, and maintain client relationships.

Responsibilities

• Monitor daily newspapers, government portals, and industry platforms for new Tenders and Requests for Proposals (RFPs).
• Conduct research on potential clients, competitors, and industry trends within the Nigerian construction landscape.
• Assist in the collation of mandatory corporate documents (COI, Tax Clearance, PenCom, ITF, etc.) for bid submissions.
• Help organize and package technical and financial proposals to ensure they meet the specific requirements of the client.
• Help maintain a library of “past project” portfolios and case studies to be used in future bids.
• Track the status of submitted bids and maintain an organized filing system for all BD activities.
• Assist in preparing weekly and monthly business development progress reports.

Requirements & Qualifications

• Education: Minimum of a Bachelor’s Degree in Business Administration,or a related field.
• NYSC members with high aptitude are encouraged to apply.
• Excellent Writing Skills: Ability to draft clear emails and assist in writing formal proposals.
• Research Ability: High proficiency in using the internet and professional networks (LinkedIn) to find information.
• Tech Savviness: Strong knowledge of MS Office (Word, PowerPoint for presentations, and Excel for tracking).
• Attention to Detail: Critical for ensuring that tender documents are submitted without errors.
• Proactive Attitude: A “self-starter” who doesn’t wait to be told what to do next.

Application Closing Date
29th January, 2026.

How to Apply
Interested and qualified candidates should send their CV to: hr@okisokariari.com using the Job Title as the subject of the email.

Job Title: Asphalt Plant Operator

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

Job Description

• The Asphalt Plant Operator is responsible for the daily operation, monitoring, and maintenance of the asphalt mixing plant.
• You will oversee the entire process—from the heating of aggregates and bitumen to the final mixing and loading of trucks.
• The primary objective is to produce high-quality asphalt batches that meet specific project requirements while maintaining strict safety and environmental standards.

Responsibilities

• Plant Operation: Operate the computerized control system (PLC) to regulate the flow of materials, temperatures, and mixing times according to the Job Mix Formula (JMF).
• Quality Control: Monitor the consistency, temperature, and composition of the asphalt mix to ensure it meets engineering specifications and client standards.
• Maintenance & Troubleshooting: Perform daily pre-start inspections. Grease, lubricate, and clean components (e.g., conveyors, burners, and pugmills). Identify and report mechanical or electrical failures immediately.
• Material Management: Coordinate with loader operators and weighbridge clerks to ensure a steady supply of aggregates and bitumen and to track outgoing tonnage.
• Safety & Environment: Ensure compliance with environmental regulations regarding dust emissions and noise. Maintain a clean work site and strictly follow Lockout/Tagout (LOTO) and PPE protocols.
• Reporting: Maintain accurate daily logs of production quantities, fuel consumption, and any downtime or maintenance performed.

Application Closing Date
4th February, 2026.

How to Apply
Interested and qualified candidates should send their CV to: hr@okisokariari.com using the Job Title as the subject of the email.