Senior / Mechanical Pipeline Engineer – ADL

About Us

For over 35 years, GPA Engineering has been a trusted, Australian-owned consultancy delivering engineering, procurement and construction management services across water, energy, renewables, defence, mining, and hydrogen. We develop and implement projects that drive critical infrastructure and support industries across Australia.

With offices nationwide (Adelaide, Brisbane, Melbourne, Sydney, Darwin, Perth) and a reputation for technical excellence, our strength lies in our people. We bring together diverse, motivated professionals who value teamwork, integrity, safety, and sustainability. At GPA, you’ll find the scale and expertise of a leading consultancy, combined with the supportive culture of a close-knit team.

About the Role

The successful applicant will join a team of pipeline industry experts, who beyond delivering complex pipeline projects, are heavily involved in Australian pipeline standards and industry research projects through the FFCRC and serve as lead authors on industry guidance documents like the Hydrogen Pipelines Code of Practice.

GPA is a leading contributor across Australia in pipeline sector standards development, research and knowledge development. We have multiple personnel directly involved in ME-038 (AS/NZS 2885 series) committees, GIRA research (and formerly EPCRC and FFCRC research), APGA Research & Standards Executive and Main Committee. GPA has led the way in development of codes of practice and research in hydrogen pipeline design in Australia and continues to target leading edge knowledge development across our sectors. We are involved directly in novel engineering projects across the pipeline and energy sector, including hydrogen, future fuels, ammonia, CO₂, SAF, MCH, biomethane and biofuels. A team that prides itself on building leading knowledge to lead the sector through the energy transition.

As a result of continuous long-term stable company growth, GPA is seeking applications for Senior/Mechanical Pipeline Engineers, with 3-5 and 6-12 years of relevant pipeline experience to join our national team. Depending on the level of experience against the required and desirable skills and leadership qualities, the applicant may suit an engineer, senior or lead engineer role.

This is a permanent, full-time role, based in our Adelaide office. In this role, you will:

• Work across the full project life cycle including concept, feasibility, FEED, Detailed Design and Construction Support.
• Work on a variety of pipeline projects including long distance remote or rural pipelines, high pressure pipelines in urban or industrial high consequence areas, upstream gathering systems, and pipeline facilities such as pressure reduction, metering, pigging, processing and compression facilities.
• Prepare technical calculations in accordance with AS/NZS 2885 and other relevant standards.
• Prepare datasheets and specifications for the procurement of equipment and components required for pipelines and facilities.
• Prepare, review and oversee the delivery of engineering drawings for fabrication and construction in collaboration with our in-house drafting office.
• Manage various subconsultants and subcontractors.
• Undertake stress analysis of pipelines and facility piping in accordance to ASME B31.3 and ASME B31.4 using Caesar II software.
• Collaborate with and coordinate other engineering disciplines including process, civil, structural, electrical, instrumentation and control systems.
• Attend and assist with the minuting of design review workshops including Safety Management Studies, HAZOP Studies.
• Resolve design issues, anomalies, and technical challenges in collaboration with internal and external stakeholders.

To be successful in this role, we are seeking for candidates with the following relevant skills and experience:

• Experience with alternate fuels and fluids beyond hydrocarbons is valued, including Hydrogen/CO2/Ammonia. However we have a wide range of opportunities and value training and sharing our knowledge to applicants once at GPA.
• Experience in pipeline facility design and equipment/piping design, including launcher/receivers, MLVs, compressor stations, PRSM facilities, city gate stations, facility/station piping design and broader oil and gas wellhead, gathering and processing facilities and fuel terminals.
• Chartered status (and RPEQ/RPEV) especially for candidates 6-12 years.
• Knowledge of cathodic protection systems and experience overseeing electrical interference studies and cathodic protection design by others
• SMS facilitation experience also valued, as is an interest in developing this skill.
• Experience in pipeline and facilities integrity assessments and fitness for service assessments
• Experience in fatigue and crack growth modelling
• Experience in material, metallurgy and linepipe manufacturing
• CAPEX cost estimation for pipelines and facilities
• Engineering estimation and proposal development (experience in response to tenders)
• Package engineering
• Operational support
• Construction & commissioning support experience

We understand that every candidate’s value is unique, and every individual brings their own set of skills and knowledge beyond just the role description, be that with broader technical interest and analytical skills or interest in company strategy and front-end advisory. So if you feel like you don’t have everything listed below, we’d still like to hear from you if you love engineering, like working with great people and seek professional growth.

A requirement for this role is to complete a satisfactory pre-employment medical check and Australian police clearance.

How to Apply

Applications must be submitted via the online recruitment system before COB 19th January 2026.

If you require adjustments to the recruitment process to support your application, you may email us at HR@gpaeng.com.au.

Please Note: This role is subject to an extended recruitment timeline due to our upcoming company shutdown. All applications received by the closing date will be reviewed, and shortlisted candidates will be notified prior to the Christmas break. Interviews, however, may be scheduled after operations resume in early January

What we offer:

At GPA, we want our people to thrive - both professionally and personally. We’re big enough to deliver complex, high-profile projects, yet small enough that you’ll always feel valued and supported.

• Competitive Salary & Rewards - a fair and attractive compensation package with paid overtime, recognising the value of the work you put in.
• Career Growth & Development - structured progression pathways, company-sponsored training, and support towards professional membership and Chartership.
• Flexibility - hybrid working options and cultural leave swap days, because we know work-life balance matters.
• Health & Wellbeing - wellbeing programs, confidential EAP support, and a culture that genuinely looks out for each other.
• Family-Friendly Benefits - paid parental leave for both primary and secondary carers, plus policies that support every stage of life.
• Community & Culture - a workplace that values connection and fun, from weekly sports teams and fitness clubs, through to social events like cinema nights, family BBQs, quiz nights, and celebrations of diverse cultural traditions.
• Giving Back - a strong commitment to charity, with GPA donating over $3 million directly to charitable organisations.
• Diversity & Inclusion - a team where different perspectives are respected and collaboration drives better outcomes.

At GPA, you’ll be joining a workplace that combines the professionalism of a leading consultancy with the warmth of a supportive, people-first culture. We’re proud that over 80 of our team members have been with us for more than 10 years – a testament to the career growth and long-term commitment fostered here.  Hear directly from our team and explore their experiences in our employees’ testimonials: https://www.gpaeng.com.au/careers/

We welcome applications from people of all backgrounds, experiences, and identities – including (but not limited to) Aboriginal and Torres Strait Islander peoples, people of all ages, cultures, ethnicities, gender identities, sexual orientations, neurodiversity, and those with disabilities. If you require adjustments to the recruitment process to support your application, you may email us at HR@gpaeng.com.au.

Disclaimer to Recruitment Agencies:

Please be advised that GPA Engineering does not accept resumes submitted by third-party recruitment agencies. All job applications must be submitted directly by the candidate through our official career portal or via direct contact with our HR team. We will not be held liable for any fees or claims from recruitment agencies regarding unsolicited resumes or candidate submissions. We appreciate your understanding and cooperation.