Principal Mechanical Engineer - Defence Infrastructure Lead

KBR, Inc.; Adelaide; On-site; AUD 180,000 - 230,000; Full time

Benefits offered by this job

Industry leading salaries

20 Days of annual leave

Flexible work arrangements

Novated leases

Professional membership fees

Life/Health insurance discounts

Employee stock purchase plans

Paid parental leave

Career development plans

Growth and promotion opportunities

Job summary

KBR is seeking an experienced Principal Mechanical Engineer to provide technical leadership and deliver comprehensive mechanical building services across Defence and secure infrastructure projects in Australia. You will mentor engineers, collaborate with multidisciplinary teams, and ensure design excellence from concept through construction and commissioning.

The ideal candidate has extensive experience in Defence/government sectors, strong HVAC knowledge, and a Bachelor’s in Mechanical

Qualifications

• Extensive experience delivering mechanical building services projects, preferably in Defence/government or mission-critical environments.
• Strong knowledge of HVAC design principles and building services systems.
• Excellent stakeholder engagement, communication, and project management skills.
• Baseline Security Clearance or ability to obtain one.
• Bachelor’s degree in Mechanical Engineering; Chartered Engineer (CPEng) preferred.

Responsibilities

• Lead the design and delivery of mechanical building services solutions across Defence and secure infrastructure projects, from concept through to construction support.
• Provide technical leadership for mechanical systems including HVAC, ventilation, chilled and heating water systems, building automation interfaces, and energy-efficient design.
• Act as the lead mechanical discipline engineer on major multidisciplinary projects, ensuring technical excellence and compliance with Defence requirements and standards.
• Manage mechanical project deliverables, resources, budgets, and programme requirements to achieve successful outcomes.
• Develop and maintain strong relationships with Defence clients, project stakeholders, contractors, and external consultants.
• Prepare and review technical reports, specifications, calculations, design documentation, and engineering assessments.
• Mentor and support engineers, designers, and graduates; foster technical development and best practices.
• Collaborate with electrical, civil, structural, hydraulic, and other disciplines to deliver integrated solutions.

Skills

Stakeholder engagement

Project management

HVAC design

Mentoring/leadership

Education

Bachelor's degree in Mechanical Engineering

Chartered Engineer (CPEng) or equivalent

Job description

KBR is seeking an experienced Principal Mechanical Engineer to provide technical leadership and deliver comprehensive mechanical building services across Defence and secure infrastructure projects in Australia. You will mentor engineers, collaborate with multidisciplinary teams, and ensure design excellence from concept through construction and commissioning.

The ideal candidate has extensive experience in Defence/government sectors, strong HVAC knowledge, and a Bachelor’s in Mechanical