Senior Flow Assurance Engineer

NRL; Leatherhead; Hybrid; GBP 76,000 - 90,000; Full time

Benefits offered by this job

Hybrid work

Competitive hourly rate

Job summary

NRL is seeking a Senior Flow Assurance Engineer for a six-month contract in Leatherhead with hybrid working. The role focuses on delivering flow assurance studies using OLGA and PIPESIM, building dynamic pipeline models, performing transient analyses, and producing client-ready reports.

The team will mentor junior engineers and contribute to study execution and strategy. The position offers a competitive hourly rate (£55–£65) outside IR35, with 3 days in-office and 2 days remote, starting ASAP.

Qualifications

• Minimum 6 years hands-on flow assurance modelling for multiphase pipelines.
• Expertise in transient simulation and hydrodynamics issues.
• Strong knowledge of pipeline sizing and thermo-hydraulic studies.
• Full right to live and work in the UK.
• Ability to mentor junior engineers.

Responsibilities

• Provide technical guidance during study execution.
• Conduct flow assurance studies using OLGA and PIPESIM.
• Build and maintain pipeline models, run simulations, analyze results.
• Deliver reports and present outcomes to client technical teams.
• Perform design calculations and prepare technical documentation.
• Mentor and guide junior engineers on methodologies and best practices.
• Lead or contribute to study teams as defined by project scope.
• Support development of flow assurance strategies and procedures.

Skills

OLGA

PIPESIM

Flow assurance modelling

Transient simulation

Hydrodynamics analysis

Team collaboration

Report writing

Tools

OLGA

PIPESIM

Job description

Senior Flow Assurance Engineer

We are seeking experienced Senior Flow Assurance Engineers to join an exciting project based in Leatherhead. This is a six‑month contract role involving hybrid working and delivering critical studies in the oil and gas sector. Ideal for professionals with strong expertise in flow assurance and simulation tools, this role offers a competitive hourly rate and the opportunity to contribute to high‑profile projects.

Salary £55–£65 per hour (Limited Company), outside IR35 – subject to QDOS assessment.

Location and Working Pattern Leatherhead, Surrey Hybrid: 3 days in the office, 2 days remote. Start: ASAP Duration: 6 months.

Client Overview Our client is a leading engineering services organisation supporting worldwide energy projects with technical excellence and innovation.

Responsibilities

• Provide technical guidance and subject matter expertise during study execution.
• Conduct flow assurance studies using software such as OLGA and PIPESIM.
• Build and maintain pipeline simulation models, run simulations, and analyse results.
• Deliver reports and present outcomes to client technical teams.
• Perform design calculations and prepare technical documentation to required quality standards.
• Mentor and guide junior engineers on methodologies and best practices.
• Lead or contribute to study teams as defined by project scope.
• Support the development of flow assurance strategies, philosophies and procedures.

Must‑have Requirements

• Strong practical experience with OLGA and PIPESIM.
• Minimum 6 years’ hands‑on experience in flow assurance modelling for multiphase pipelines.
• Expertise in transient simulation and analysis of hydrodynamics issues (slugging, hydrates, wax, erosion, corrosion).
• Knowledge of pipeline sizing, thermo‑hydraulic studies, and overpressure protection including surge pressure analysis.
• Familiarity with standards, regulations, and thermodynamics (experience with Multiflash preferred).
• Ability to work collaboratively within multidisciplinary teams.
• Demonstrable report writing and client presentation skills.
• Full right to live and work in the UK.

Nice‑to‑have Skills

• Knowledge of process modelling in HYSYS.
• Operational experience in oil and gas facilities.
• Experience integrating flow assurance with topside process engineering.

Benefits

• Competitive hourly rate and the chance to contribute to a global project with a reputable engineering organisation.

About NRL

The NRL Group connect global companies with the right people to bring engineering projects to life. Supporting contracting companies with energy transition plans and working with our clients to create a cleaner, greener future. We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer. You can ensure you stay safe when job searching online by visiting the JobsAware website.