Principal Mechanical Engineer
Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 2, 2026.
Title:
Principal Mechanical EngineerPrincipal Mechanical Engineer
Adelaide, SA
With a strong pipeline of work across the Defence, Water, Energy and Resources sectors, KBR is seeking a Principal Mechanical Engineer to join our Adelaide team.
This is an opportunity to take ownership of technically complex projects, lead the delivery of mechanical engineering solutions, and mentor developing engineers while working alongside some of the industry's most experienced professionals.
You'll play a key role across the full project lifecycle, supporting major infrastructure and industrial projects from concept development through to detailed design, construction support and commissioning.
The Opportunity:
As a Principal Mechanical Engineer, you'll provide technical leadership across a diverse portfolio of projects, with a particular focus on industrial facilities, process infrastructure and gas storage and supply systems.
Working closely with clients and multidisciplinary project teams, you'll oversee engineering outcomes, review designs, support project delivery and contribute to the continued growth of KBR's engineering capability.
Key Responsibilities:
- Lead mechanical engineering design activities across all project stages.
- Define scopes of work and provide technical input during project planning.
- Prepare and review concept, preliminary and detailed designs.
- Review and provide assurance of contractor-produced engineering designs.
- Develop technical specifications and equipment selections.
- Support construction activities through site inspections, testing and commissioning reviews.
- Review vendor documentation, technical submissions and shop drawings.
- Mentor engineers and provide guidance across project teams.
- Contribute to engineering standards, tools and continuous improvement initiatives.
- Build strong client relationships and identify opportunities to add value.
About You:
You are a Chartered or aspiring Chartered Mechanical Engineer with experience delivering complex engineering projects within consulting, industrial, defence, resources, energy or infrastructure
You Will Bring:
- Bachelor of Mechanical Engineering or equivalent.
- Strong experience in mechanical engineering design and project delivery.
- Experience with gas storage, gas supply infrastructure and piping systems.
- Sound knowledge of relevant Australian standards and engineering practices.
- Experience leading technical outcomes and coordinating stakeholder requirements.
- Strong communication and relationship-building skills.
- CPEng status or the ability to obtain Chartership.
Security Requirements:
Due to the nature of the work, applicants must:
- Be an Australian Citizen.
- Be eligible to obtain and maintain a Baseline Defence Security Clearance.
- Meet International Traffic in Arms Regulations (ITAR) eligibility requirements.
About KBR:
At KBR, you'll be part of a collaborative national team delivering projects that strengthen communities, support critical infrastructure and help shape Australia's future. Working across a diverse portfolio of projects, you'll have the opportunity to tackle complex engineering challenges, build meaningful client relationships and contribute to outcomes that make a lasting impact.
In addition, we offer:
- Employee benefits including additional purchased leave, novated leasing and discounted health insurance.
- Flexible working arrangements.
- A strong focus on wellbeing, inclusion and team culture.
- Ongoing professional development and pathways for leadership or technical specialisation.
KBR is renowned for working in partnership with our clients and construction partners to deliver exceptional outcomes through our collaborative approach and commitment to our One Team value.
KBR Values:
Our Values - We Value Our People, We Deliver, We Are People of Integrity, We Empower, and We Are a Team of Teams - are at the heart of everything we do.
Our people are our greatest strength, and our culture is built on respect, collaboration and continuous growth. If you're looking to work alongside talented professionals, contribute to meaningful projects and be part of a team that genuinely invests in its people, we'd love to hear from you.
Curious about the exciting projects and what life is like at KBR Adelaide?
Check out our videos and see for yourself:
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