Lead Flow Assurance Engineer

Trades Workforce Solutions; United Kingdom; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading engineering firm is seeking a Lead Flow Assurance Engineer to work in Leatherhead on upstream projects in the Oil and Gas sector. The ideal candidate will have over 10 years of experience in flow assurance modelling using software such as OLGA and PIPESIM. Key responsibilities include conducting flow assurance studies, developing simulation models, and preparing technical reports. The position offers a 6-month renewable contract with a 40-hour workweek.

Qualifications

• Minimum 10 years of hands-on experience in flow assurance modelling.
• Experience in single and multiphase pipeline analyses.
• Excellent technical report writing and presentation skills.

Responsibilities

• Act as a flow assurance engineer on upstream projects.
• Conduct Flow Assurance studies using specific software packages.
• Develop pipeline simulation models and assess simulation results.

Skills

Flow Assurance modelling

Transient simulation software

Report writing

Team collaboration

Pipeline sizing

Tools

OLGA

PIPESIM

PIPENET

HYSYS

Job description

Lead Flow Assurance Engineer

Duration / Rate estimated:

• Start January 2026
• 6 month renewable contract
• Based in Leatherhead 5 day a week.
• 40 hours/week

Role Description

You will work as part of small project teams developing concept and early project definition in the Oil and Gas sector.

Responsibilities

• Act as a flow assurance engineer on a range of upstream projects, and conduct Flow Assurance studies using software packages, e.g., OLGA, PIPESIM etc.
• Develop pipeline simulation models, perform simulations of selected cases as defined by self / project and assess simulation results.
• Perform design calculations and prepare technical reports in accordance with company and project quality requirements.
• Report to flow assurance SME.
• Contribute to flow assurance strategies, philosophies and procedures.
• Demonstrate excellent technical report writing and presentation skills.

Requirements/Qualifications

• Experience in single and multiphase pipelines (steady state and transient hydraulic) analyses using industry standard software, e.g., OLGA, PIPESIM, PIPENET etc. is essential.
• Minimum 10 years of hands‑on experience in flow assurance modelling using OLGA transient simulation software.
• Experience in assessing flow assurance issues like slugging, hydrates, wax, erosion, corrosion etc. by use of simulation software and providing the best mitigation solutions.
• An ability to work in a collaborative way as part of a multi-discipline project group with minimum supervision.
• Experience in pipeline sizing and thermo-hydraulics Studies, transient analysis covering shut down, blowdown, start‑Up, ramp‑up / turndown scenarios.
• Experience in pipeline overpressure protection studies including surge pressure analysis.
• Knowledge of flow assurance issues including slugging, hydrates, wax, erosion, corrosion etc. and mitigation methods.
• Good understanding of thermodynamics and experience of Multiflash preferred.
• Knowledge of applicable regulations, codes, and standards.
• Excellent computer skills, as well as excellent oral/written presentation / report writing skills.
• Ability to work well independently and in a team.
• Experience on flow assurance conceptual and front‑end studies and topsides process engineering activities including process modelling in HYSYS would be an advantage but not essential.
• Proven ability to plan and execute studies.
• Ability and experience of presenting to clients.
• Operational experience and previous experience of working on Aramco projects would be a benefit but not essential.