Senior/Principal Designer (Heavy Machinery)
Location: Adelaide, South Australia, Australia
Contract Type: Full time
Title: Senior/Principal Designer (Heavy Machinery)
KBR is expanding our national capability and we're looking for a Senior / Principal Designer (Heavy Machinery) to join our Adelaide team to support the delivery of complex engineering solutions across industrial and defence sectors.
Key Responsibilities
Lead the design and delivery of heavy machinery systems, including conveyors, cranes, and material handling equipment
Develop and review 3D models and detailed drawings using AutoCAD Plant 3D (essential)
Ensure designs comply with relevant engineering standards, codes, and project requirements
Coordinate design inputs across multidisciplinary teams, including mechanical, structural, and electrical
Provide technical leadership and mentorship to junior designers and drafters
Review and interpret engineering specifications, vendor data, and technical documentation
Contribute to design reviews, risk assessments, and constructability reviews
Support client engagement, technical discussions, and project coordination meetings
Assist with site activities, including inspections and technical verification where required
Skills & Experience Required
8+ years' experience in design and drafting, with a focus on heavy machinery systems
Strong proficiency in AutoCAD Plant 3D (mandatory)




Experience with additional CAD tools such as Revit (advantageous)
Demonstrated ability to lead design activities and coordinate across disciplines
Strong understanding of engineering standards, compliance, and safety requirements
Ability to operate effectively in complex, multidisciplinary project environments
Clear communicator who builds strong relationships and thrives in a team-focused culture
Security & Eligibility Requirements
Ability to obtain and maintain an Australian Government Baseline Security Clearance
Willingness to work on Defence-related projects in line with security protocols
About KBR
At KBR, we deliver real solutions with real impact — from national Defence programs to critical infrastructure projects. You'll join a supportive, people‐first environment with opportunities to grow, lead, and innovate.
Work on high‐profile industrial and defence projects
Industry‐recognised technical leadership and expertise
Flexible working arrangements
Robust wellbeing and team culture
Clear pathways for leadership or technical advancement
KBR values
Our KBR Values - We Value Our People, We Deliver, We Are People of Integrity, We Empower, We Are a Team of Teams.
Our culture, and our genuine focus on our people is a major factor in our success and we want you to be part of our journey.

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