Welding Supervisor at Marconi.NG EPC Limited

Marconi is a service platform at disposal for all the players in the Oil & Gas and Renewable Energy industries. Designed and equipped to aggressively pursuing the wider market for both large and medium sized projects.​Marconi strategic focus is on delivering world-class services that adhere to international standards while full in compliance with local regulatory frameworks and fostering local content.​

Marconi is set to be an EPCI powerhouse and Logistic Base supporting Africa’s industries requirements with innovative approach and combined with strategic partnerships to serve diverse clientele – from small local businesses to global industry leaders​

We are recruiting to fill the position below:

Job Title: Welding Supervisor

Location: Port Harcourt, Rivers
Job type: Contract
Reports to: Construction Manager / Superintendent
Department/Division: Construction / Fabrication

Job Summary

• The Welding Supervisor oversees all welding activities, ensuring they meet project specifications, international codes (ASME, AWS), and Nigerian quality standards.
• They manage resources, productivity, and quality control of the welding team.

Key Responsibilities

• Supervise daily welding activities and allocate tasks to foremen and welders.
• Ensure all welding is performed according to approved WPS (Welding Procedure Specifications).
• Monitor welder performance and qualification (WPQ) validity.
• Coordinate with QC Inspectors for NDT (Non-Destructive Testing) and visual inspections.
• Manage welding consumables (electrodes, filler wires) storage and issuance (baking/holding ovens).
• Resolve technical welding issues on site.
• Ensure compliance with HSE regulations regarding welding fumes, radiation, and electrical safety.
• Prepare daily progress reports and weld maps.
• Mentor and train local welders to meet NCDMB targets.

Key Performance Indicators (KPIs)

• Weld Repair Rate (< 2% or as per project KPI).
• Schedule adherence for fabrication milestones.
• Consumable wastage (< 5%).
• Safety compliance of the welding crew.

Required Qualifications

• HND or B.Sc. in Mechanical/Metallurgical Engineering.
• Alternatively, extensive trade background with City & Guilds/NABTEB.

Professional Certifications & Licenses:

• CSWIP 3.1 or 3.2 Welding Inspector or AWS CWI.
• COREN registration (for Engineers).

Experience Requirements:

• Must have 8-10 years in welding fabrication/construction.
• At least 3 years in a supervisory role.

Technical Skills & Competencies:

• Expert knowledge of welding processes (SMAW, GTAW, FCAW, SAW).
• Ability to read isometric drawings and welding symbols.
• Knowledge of metallurgy and heat treatment (PWHT).

Working Conditions:

• Construction site/Fabrication yard.
• Exposure to high noise, heat, and UV radiation.

Physical Requirements:

• Ability to inspect welds in difficult-to-access areas.

Application Closing Date
20th February, 2026.