Process Engineer (Oil & Gas Services) at Worknigeria

Worknigeria was established with a Singular Vision. To help the vast Nigerian workforce find meaningful jobs. We are also on a mission to upskill them in the best ways possible and help them grow with and within their careers.

We are recruiting to fill the position below:

Job Title: Process Engineer (Oil & Gas Services)

Location: Warri, Delta
Employment Type: Full-time
Industry:Oil & Gas Services

Role Purpose

• The Process Engineer supports the Process Lead in ensuring the technical integrity of all process engineering deliverables across assigned oil and gas projects.
• The role focuses on process design and optimisation, ensuring that PFDs, P&IDs, heat and material balances, process datasheets and operating philosophies fully align with the FEED, safety requirements and process performance criteria.

Key Responsibilities

• Develop, review and update Process Flow Diagrams (PFDs), Piping & Instrumentation Diagrams (P&IDs), heat and material balances and line lists for oil and gas facilities and packaged systems.
• Prepare process design calculations, simulations and sizing for key equipment
• Produce and maintain process datasheets, operating philosophies and control narratives in line with FEED documents and project design basis.
• Ensure all process deliverables comply with relevant codes, standards and client specifications, and support the Process Lead in maintaining technical integrity across projects.
• Participate in process safety activities including HAZID, HAZOP and risk assessments, and incorporate safety and operability requirements into designs.
• Provide process inputs to multi‑discipline teams (mechanical, piping, instrument, electrical, civil/structural) and support inter‑discipline checks of drawings and models.
• Support the review of vendor documents, package design, FAT/SAT procedures and respond to technical queries (RFIs/TQs) from clients and contractors.
• Assist operations and commissioning teams with process start‑up procedures, performance tests, troubleshooting and optimisation of existing facilities.
• Contribute to lessons learned, design improvements and standardisation of process engineering practices within the organisation.

Requirements

• Bachelors Degree in Chemical Engineering or related engineering discipline.
• Minimum of 4 years proven experience as a Process Engineer in oil and gas services, EPC/EPCI
• Hands‑on experience developing PFDs, P&IDs, heat and material balances, process datasheets and operating philosophies for process systems.
• Proficiency with process simulation and design tools (e.g. HYSYS, design, and relevant international standards and codes.
• Strong analytical, problem‑solving and documentation skills, with high attention to detail and technical accuracy.
• Ability to work collaboratively within multi‑discipline project teams and communicate clearly with internal and external stakeholders.

Salary
N600,000 - N700,000 / month. 

Application Closing Date
6th March, 2026.

How to Apply
Interested and qualified candidates should send their CV to: careers@worknigeria.com using the Job Title and locationas the subject of the email.

Note: Qualified Process Engineers with experience in the Oil and Gas industry, please apply!