Senior Process Assurance Engineer

Job Summary The candidate will deliver process engineering assurance services within the Corporate Engineering function, supporting Project Delivery design engineer to achieve error-free designs, on-schedule execution, and flawless project outcomes. This role ensures that all process designs and discipline deliverables for assigned projects comply with applicable codes, standards, and industry best practices, with a strong emphasis on safety and reliability from conceptual design through to detailed engineering and commissioning. Additionally, the candidate will contribute to engineering studies aimed at solving business challenges and actively support the identification, evaluation, and development of new technologies and initiatives that drive continuous improvement across the organization. Duties & Responsibilities 1. MAIN ACCOUNTABILITIES Provide timely and pro-active technology supports for integration of projects covering Masterplans for process, utility, plot layout, product evacuation and gas supply; Reviews and audits with respect to consistency and integrity at the interfaces; Development studies with various SMEs for growth projects; Review, ensure and maintain quality of a critical process safety document – Process Engineering Flow Schemes (PEFS); Plant modifications related to the project interfaces prior to Management approval to ensure operational integrity of the process plant. To deliver innovative and robust process engineering solutions that meet client requirements, regulatory standards, and project timelines, by Carrying out design reviews on in-house & third-party design packages including, FEED, BDP, Detailed Design to ensure compliance of the deliverables with provisions of the applicable Design standards and specifications as part of the overall project quality assurance program. Provide process & utilities technological support to assure the quality of in-house process technical safety risk assessments as applied by SMEs in the execution and quality assurance of utilities and process technical safety reviews (HAZOP, PSSR, etc.) for plant changes and third-party projects integration, ESP, AI-PSM and Bowtie Responsible for delivering the process and utilities engineering design packages for projects, as appropriate for each phase, in line with the corporate goal of top-quartile, competitive and affordable projects. Apply the relevant engineering standards & specifications in line with DEM1 & 2 requirements aligned to the Project management framework and DCAF to deliver the appropriate engineering and design requirements and ensure value creation and protection Ensure all Process engineering discipline requirements for relevant project and engineering procedures and inputs are made into design deliverables across project maturation and delivery phases such as BFD, BDEP, PES, PEP, ITT, etc. in close coordination with other technical disciplines to ensure an integrated project delivery. Develop & review of all process and utilities requirements on design and technical deliverables, including quality control of deliverables, whilst meeting process technical safety assurances, to ensure the quality and technical integrity of new installations complies to the required standards and codes; applying requisite design criteria and standards as prescribed by Client /Shell DEP and best practice in the industry; and applying strategies that aim for minimum life cycle costs. Provide basic design and engineering work: Design Calculations, Simulations, Work scope definition, Project Specifications, selection of standards, Preliminary Design Drawings as may be required for specific projects. Provide discipline and intra-discipline design reviews, Joint Design Reviews, constructability reviews, models reviews, HAZID/HAZOP, PSSR reviews, etc. on third party design packages including BFD, FEED, Detailed Design to ensure compliance of the deliverables with provisions of the applicable Design standards and specifications as part of the overall project quality assurance program Produce process datasheets, operating philosophies and control narratives in line with FEED documents and project design basis. Evaluate processes and equipment to ensure compliance with environmental and safety regulations Provide support for Process Engineering studies and change impact analysis as part of the Management of Change (MOC) procedure. Review and advise on Engineering Technical Queries (ETQ), Construction Technical Queries (CTQ) and mitigate actual and potential impacts on project philosophy and existing design .Draft proposal for review & approval, on design changes and/or other measures necessary, as requirements to demonstrate that identified business risks are managed to As-Low-As-Reasonably-Practicable (ALARP) where required, in line with company procedure for Deviation and Derogation. Review vendor documentation to ensure compliance with requisite standards, codes and regulations for integration within the project design. Provide input for equipment selection and integration, implement best practices for integration of equipment within a modularization philosophy including inspection/commissioning/testing related to commissioning, start up and integration of new facilities Perform the role of Discipline Q-Captain to ensure Flawless Project Delivery Demonstrate HSSE Leadership, champion Production Risks and Process Safety accountabilities in implementation, execution, and management of process & utilities integration support with new plant projects, growth projects and Third-Party Projects. Drive review of and learnings from proactive observations and incidents. In-depth knowledge of process simulation software (e.g., UNISIM, Aspen HYSYS, PIPESIM, PIPENET) and engineering standards (e.g., API, ASME, ISO). KEY PERFORMANCE INDICATORS 1. HSE Goal Zero 2. Number and criticality of in-house design rework. [On-time Design delivery] 3. Quality of Design Deliverables [Error free design] 4. Number of supplemental design requests on third party submissions 5. Number of follow up complaints arising from misunderstood CTQs 6. Contract Performance 7. HSE Goal zero 7. Timely delivery of high-quality process engineering deliverables against project schedules Requirements 1. JOB REQUIREMENTS Education A University degree in Chemical Engineering or other engineering or its equivalent. Experience/Certifications Extensive experience (8-10 years) in the Oil & Gas industry with direct experience of project engineering, design and construction. At least 5 years should have been spent on process engineering designs, preferably in a similar position in an LNG plant, refinery. Candidate with TA-3 Authority level will be an added advantage The candidate shall be Registered engineer with COREN and Corporate Member of Nigerian Society of chemical Engineers (NSChE). The candidate should be Chartered Chemical Engineer C.Eng or equivalent certification IECEx CoC (Electrical Equipment in Hazardous Areas) Schneider/Siemens/ABB OEM Electrical Certifications Comp Ex Ex01–Ex04 (for hazardous area installations) Competences 2. Target Job Competencies Proficiency Level Process Safety - Provide process engineering input to the specification of safeguarding requirements taking into account operability, health, safety, efficiency and environmental impact objectives Civil Infrastructure Asset Integrity Management, Structural Assessment and Life Extensions Civil Structures (Steel & Concrete) Special Structures and Advanced Structural Analysis Coastal Marine Skill · Concept Development - Process Design & Concept Development for (Petro) Chemical, E&P and Gas plants and Refineries. Develop process design to meet the required throughput and quality specifications. Optimize process flow schemes, which maximize the product yield and economic performance of facilities while achieving HSE objectives Knowledge · Process Control and Real Time Optimization - Design and implement automatic plant controls to reject, without human interference, processes disturbances in order to keep process variables in the desired operating window and (optionally) to exploit degrees of freedom to improve unit margin while respecting unit constraints. Design and implement real-time optimizer to maximize in real time the economic contribution of a unit within all relevant unit constraints Skill · Process Design Integrator - The Process Integrator’s responsibility is to deliver a design that meets the project premises, operates safely, and is environmentally compliant Skill · Process Modelling and Analysis - Has full capability in determining when to apply modelling and is able to choose the most appropriate modelling environment, for degree of accuracy required, fully aware of previous work and utilises this in developments for specific modelling applications. Can interrogate and analyze simulation results with sound engineering judgment Knowledge · Process Unit Design - Design and develop process systems. Assumption for process unit design competence involves the capability to execute a project from Define Phase through Execute Phase to end of construction and possibly start-up (Operate Phase) Knowledge · Process Unit Operation Support- Process Unit Support for (Petro) Chemical, Refinery, E&P and Gas plants. Maintain and develop expertise and knowledge in the process engineering application of general unit support techniques, which are distinct from the specific technology application Skill · Energy, Utility and Water - Maintain and develop expertise and knowledge in application of energy and utilities process technology. To use this expertise and knowledge to provide technical advice and design support for operations and other functions across our hydrocarbon manufacturing facilities, gas plants, chemical facilities and upstream facilities. Skill · Communication Knowledge REPORTING RELATIONSHIPS Functionally & Administratively reports to: WORKING RELATIONSHIPS Internal: CLIENT Departments, Management teams in the Production and Technical divisions (including Operations, Maintenance, Corporate Engineering, Integrity Engineering, Projects, Production units), Shipping (NST), Contracts and Procurement (CPM), Security Services (CSS), Health, Safety and Environment (HSE), Job Peers, Management and staff External: CLIENT Technical Adviser (Shell Global Solutions), Equipment vendors, Suppliers and Contractors. Process Licensors, Equipment suppliers, Other Operators of LNG plants, Project engineers DIMENSIONS Responsible for provision of advice to a range of stakeholders (internal and external to projects) on discipline technical issues Provides production process optimization support and assurance to the operations of Client assets, helping to protect asset value and Manage portfolio of process technology studies with Shell TA OTHER JOB REQUIREMENTS Key Considerations: Analytical: Ability to accurately evaluate detailed specifications particularly geared towards cost minimization without compromising other resource elements such as safety and quality Technical Skills: Job would require a detailed knowledge of current and evolving technologies on oil & gas process facilities. Detailed knowledge of industry processes, construction sequences, materials and procurement processes are required. Ability to prepare process documents such as PFSs, P&IDs, and equipment lists. Skill in process simulation software (like UNISIM, PIPSIM) and knowledge of industry standards (API, ASME, ISO). Ability to work on more than one project at a time with different teams. Analytical skills for troubleshooting designs not working as planned Good understanding of safety, environmental, and legal requirements in oil and gas work. Excellent communication, organizational, and team-work skills. Attention to detail, problem-solving abilities, and a proactive approach to work. Experience in leading and mentoring technical teams is highly desirable. Detailed oriented: must be meticulous and pay attention to details. Verbal and written communication skills: Ability to seamlessly communicate and write comprehensive reports for monitoring, tracking and to support decision making Supporting and leading in internal and external Audits APPLICATION DEADLINE - TUESDAY 14TH APRIL 2026