Principal Technical Safety Engineer
AI summary
International Energy Services Limited (IESL) is recruiting a Principal Technical Safety Engineer in Lagos, Nigeria. The role provides senior technical leadership in Technical Safety and Process Safety Engineering across oil and gas facility design projects, from concept through commissioning. Responsibilities include approving safety deliverables, establishing design criteria, and leading HAZOP, QRA, LOPA, SIL, and related risk assessment studies.
- Senior technical safety leadership role within oil and gas engineering design projects.
- Full-time position based in Lagos, Nigeria.
- Leads HAZOP, QRA, LOPA, SIL, gas dispersion, fire and explosion risk studies.
- Reviews and approves technical safety deliverables within delegated authority.
- Provides direction to Technical Safety Engineers and other engineering disciplines.
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- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in internship, Technical Safety Engineer, Process Safety EngineerThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
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Documents to prepare
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Original source description
Job Title: Principal Technical Safety Engineer
Principal Technical Safety Engineer at International Energy Services Limited (IESL)
⏲
Sep 23, 2026, 8:10 AM
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View all Power & Energy jobs
International Energy Services Limited (IESL), established in 1990, is a specialist, multidisciplinary, energy services company that provides integrated, client-focused and cost-effective services in the oil and gas industry.
We are recruiting to fill the position below:
Location: : Lagos
Employment Type: Full-time
Job Summary
The role is responsible for ensuring that technical safety
Requirements
- are effectively incorporated into the design of facilities and systems throughout the project lifecycle, from concept selection and FEED through detailed engineering, construction support, commissioning and handover.
- The Principal Technical Safety Engineer will provide senior technical leadership and specialist expertise in Technical Safety and Process Safety Engineering across engineering design projects within the Oil & Gas industry.
- Main
- are incorporated into facility designs.
- Ensure compliance with the approved Design Safety Philosophy and project specifications.
- Participate in multidisciplinary design reviews and technical audits.
- Provide technical input into equipment and system specifications for safety-critical systems.
- Review safety-related design calculations, reports, specifications and studies.
- Review engineering designs to identify hazards and ensure appropriate risk reduction measures are incorporated.
- Fire Protection & Fire and Gas Systems:
- Ensure appropriate fire and gas detection, alarm and mitigation strategies are incorporated into facility designs.
- Provide input into fire protection systems, deluge systems, passive fire protection and emergency shutdown systems.
- Provide technical oversight of fire protection and fire and gas engineering activities.
- Review fire and explosion protection
- for process and utility facilities.
- Review firewater demand calculations and fire protection philosophies.
- Review fire and gas detector layouts and coverage assessments.
- Functional Safety & Safety Instrumented Systems:
- Review Safety Instrumented Functions (SIFs), voting architectures, proof-test
- and associated documentation.
- Participate in SIL classification, SIL verification and safety
- specification activities.
- Provide technical leadership in the application of functional safety principles.
- Provide technical guidance on Emergency Shutdown (ESD), Fire & Gas (F&G) and other safety-critical control systems.
- Ensure compliance with applicable functional safety standards.
- Review Safety Instrumented System (SIS)
- and safety functions.
- Hazardous Area Classification:
- Review and provide technical guidance on hazardous area classification studies.
- Coordinate hazardous area classification
- with Electrical, Instrumentation, Process and Mechanical disciplines.
- Review hazardous area drawings and ensure appropriate equipment selection and installation requirements.
- Ensure appropriate classification of hazardous zones in accordance with applicable standards.
- Technical Safety Deliverables:
- Provide technical leadership and review of deliverables including, but not limited to:
- QRA reports
- Fire and Gas Philosophy
- Fire Protection Philosophy
- ESD Philosophy
- Design Safety Cases
- Technical Safety Philosophy
- Performance Standards
- Escape, Evacuation and Rescue Studies
- HAZID/HAZOP reports
- Risk Assessment Reports
- Safety Requirement Specifications
- Hazardous Area Classification
- Safety Critical Element Registers
- Consequence Modelling Reports
- Emergency Response Studies
- Technical Safety layouts and drawings.
- SIL Assessment and Verification Reports
- Technical Safety Datasheets and Specifications
- Regulatory & Standards Compliance:
- Ensure engineering designs comply with applicable Nigerian regulations and regulatory requirements.
- Ensure compliance with relevant international codes and standards, including applicable
- of:
- ISO
- IEC
- NFPA
- IMO, where applicable
- ASME
- Monitor changes in applicable legislation, standards and industry practices and advise the project team accordingly.
- API
- NORSOK
- Client/company specifications and standards.
- ALARP & Risk Management:
- Ensure residual risks are properly documented and communicated.
- Maintain and support project risk registers relating to process and technical safety.
- Provide technical justification for risk acceptance and risk reduction decisions.
- Ensure project risks are systematically identified, assessed and reduced to **As Low As Reasonably Practicable (ALARP)**.
- Identify safety-critical risks and recommend appropriate safeguards and mitigation measures.
- Interface & Multidisciplinary Coordination:
- Interface effectively with Clients, consultants, vendors, contractors and regulatory authorities.
- Participate in design reviews, model reviews, constructability reviews and project technical meetings.
- Ensure technical safety
- are reflected consistently across multidisciplinary engineering deliverables.
- Coordinate technical safety activities with Process, Mechanical, Electrical, Instrumentation & Control, Civil/Structural, Piping and other engineering disciplines.
- Project & Client Support:
- Participate in Client meetings, technical clarification sessions and design reviews.
- Provide technical safety support throughout the project lifecycle.
- Prepare and present technical safety reports and recommendations to Clients and senior management.
- Provide technical input into project schedules and resource requirements.
- Support tendering and proposal activities by developing technical safety scopes, man-hour estimates and deliverable lists.
- Construction, Commissioning & Operational Support:
- Review Management of Change (MOC) proposals from a technical safety perspective.
- Support incident investigations and safety-related root cause analysis where required.
- Support commissioning and start-up teams in resolving safety-related technical issues.
- Provide technical safety support during construction, commissioning and start-up activities.
- Participate in pre-start-up safety reviews (PSSR).
- Provide technical input into operating and maintenance philosophies where required.
- Bachelor's Degree in Chemical, Process, Mechanical, Petroleum Engineering or another relevant engineering discipline.
Responsibilities
- Technical Safety Leadership
- Review and approve technical safety deliverables within delegated authority.
- Establish technical safety philosophies, design criteria, specifications and engineering requirements.
- Ensure that technical safety considerations are incorporated into the design from the early project stages.
- Act as the senior technical focal point for technical safety matters within assigned projects.
- Provide technical leadership and specialist advice on Technical Safety and Process Safety Engineering activities.
- Provide technical direction to Technical Safety Engineers and other engineering disciplines.
- Provide technical support to project management and engineering leadership on safety-critical design issues.
- Safety Studies & Risk Assessment:
- Lead, facilitate or provide technical oversight for major process safety and risk assessment studies, including:
- Safety Critical Element identification and performance standard development.
- SIL Assessment / SIL Classification
- Escape, Evacuation and Rescue Analysis
- Toxic and Flammable Gas Dispersion Studies
- Bow-Tie Analysis
- LOPA – Layer of Protection Analysis
- QRA – Quantitative Risk Assessment
- Fire and Explosion Risk Assessment
- Emergency Response and Emergency Systems Analysis
- Fire and Gas Mapping
- Dropped Object Studies
- HAZOP – Hazard and Operability Studies
- Ensure that recommendations arising from safety studies are properly documented, assigned, tracked and incorporated into the design.
- HAZID – Hazard Identification Studies
- ALARP demonstrations and risk reduction assessments
- Blast and Explosion Analysis
- Design Safety & Engineering Assurance:
- Review P&IDs, plot plans, equipment layouts, cause-and-effect diagrams, shutdown philosophies and other engineering documents from a technical safety perspective.
- Ensure appropriate separation distances, hazardous area classifications, escape routes and access
Experience
interfacing with international Clients, engineering consultants and EPC contractors is desirable.
Demonstrable
working within an Engineering Design / EPC / EPCM organization.
Significant
in FEED and detailed engineering projects.
Proven
leading or providing technical oversight for HAZID, HAZOP, SIL, LOPA, QRA and other process safety studies.
Professional engineering registration/membership with a recognized professional body is preferred.
Proven
leading multidisciplinary engineering teams and mentoring junior engineers.
Minimum 15 years of relevant
in Technical Safety / Process Safety Engineering within the Oil & Gas industry.
with both greenfield and brownfield projects will be an advantage.
Master's Degree in Process Safety, Engineering Management or a related discipline will be an advantage.
Relevant certification in Process Safety or Functional Safety will be an advantage.
Strong
in technical safety design for upstream, midstream, downstream, LNG, gas processing, refinery, petrochemical or related Oil & Gas facilities.
How to Apply
Interested and qualified candidates should send their CV to:
recruitment@ieslglobal.com
using the Job Title as the subject of the email.
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Lagos State