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Senior Flow Assurance Engineer

Remote / Online - Candidates ideally in
Leatherhead, Surrey County, KT22, England, UK
Listing for: Donovan Marrison Ltd
Full Time, Remote/Work from Home position
Listed on 2026-09-16
Job specializations:
  • Engineering
    Oil & Gas, Process Engineer, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 60 GBP Hourly GBP 60.00 HOUR
Job Description & How to Apply Below
Senior Flow Assurance Engineer – OLGA

We are recruiting for a number of Senior Flow Assurance Engineers to join a specialist engineering consultancy working on concept, FEED and early project definition studies within the energy and oil & gas sectors. This is a contract role with an anticipated duration of 6 months.

The role is highly focused on Flow Assurance and OLGA transient modelling, working within small multi-disciplinary project teams.

Key Responsibilities

* Conduct Flow Assurance studies using OLGA, PIPESIM, PIPENET or similar software

* Develop pipeline simulation models and carry out steady-state and transient analysis

* Assess flow assurance issues including slugging, hydrates, wax, erosion and corrosion and develop mitigation solutions

* Undertake pipeline sizing and thermo-hydraulic studies

* Perform transient analysis covering shutdown, blowdown, start-up, ramp-up and turndown scenarios

* Carry out pipeline over pressure protection and surge pressure studies

* Prepare technical calculations, reports, strategies and procedures

* Liaise with clients and present technical findings

* Provide technical guidance to junior engineers

* Work as part of multi-disciplinary project and study teams

Essential Experience

* Strong Flow Assurance Engineering background

* Minimum 6 years' hands-on experience using OLGA transient simulation software

* Experience with single and multiphase pipeline analysis

* Experience of steady-state and transient hydraulic analysis

* Good understanding of flow assurance issues and mitigation methods

* Experience with pipeline sizing and thermo-hydraulics

* Experience with transient shutdown, blowdown, start-up, ramp-up and turndown studies

* Experience with pipeline over pressure protection and surge analysis

* Good understanding of thermodynamics

* Excellent technical report writing and presentation skills

* Ability to work independently and within a multi-disciplinary team

* Experience presenting technical information to clients

* UK residency

Desirable Experience

Experience with Multiflash, HYSYS, topsides process engineering and conceptual/front-end studies would be advantageous but is not essential.

Job Details

Position:
Senior Flow Assurance Engineer

Rate: £60.00 per hour

Contract:

Contract position

Location:

Surrey

Working Pattern:
Hybrid working, with a combination of office-based (3 days) and remote working (2 days)

Openings: 3

Eligibility:
Applicants must be UK residents and have the unrestricted right to work in the UK. Unfortunately, sponsorship is not available for this position.

If you have the required OLGA and Flow Assurance experience and would like to discuss the opportunity, please get in touch
Position Requirements
10+ Years work experience
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