Senior Contract Administrator

Position Information

• Ref #: 300048749
• Region: Perth, WA
• Classification: Professionals
• Date Posted: 23-Apr-2026

About the Role

Monadelphous is seeking an experienced Senior Contract Administrator to join our Engineering Construction division, supporting the delivery of a major mining and minerals project in Western Australia.

This is a key commercial role supporting project leadership across a large-scale, multi-discipline project covering SMP and E&I scopes. The position will initially be based in our Perth office from May/June, with the opportunity to transition to site on a 2:1 roster as the project progresses.

This is an exciting opportunity to be at the centre of project delivery—driving commercial outcomes, supporting decision-making, and ensuring projects are delivered on time and within budget.

Key Responsibilities

• Manage the full contract lifecycle, including procurement, cost forecasting, subcontractor management, claims, variations, and contract closeout
• Administer and manage subcontractor agreements, ensuring compliance with contractual terms and project requirements
• Prepare, assess, and negotiate variations, change orders, and claims (including EOTs)
• Support project cost control, forecasting, and reporting to ensure commercial performance targets are achieved
• Manage contract documentation including RFIs, TQs, site instructions (SIs), and purchase orders (POs)
• Provide commercial advice and support to Project Managers and project teams
• Monitor subcontractor performance and manage commercial risk across the project
• Ensure compliance with company procedures, client requirements, and relevant legislation
• Support site-based teams as required, including potential FIFO coverage

What You’ll Bring

• Proven experience in a Senior Contract Administrator or similar role within mining, minerals, oil & gas, or major infrastructure projects
• Strong background working for Tier 1 or Tier 2 contractors
• Demonstrated experience across SMP and E&I contracts (fabrication, construction, heavy lift highly regarded)
• Solid understanding of contract law and its application within the resources sector
• Experience with a variety of contract models (lump sum, schedule of rates, cost reimbursable, target cost, etc.)
• Strong commercial acumen, including cost control, forecasting, and change management
• Excellent negotiation, communication, and stakeholder management skills
• Ability to work in a fast-paced environment and manage competing priorities
• Tertiary qualification in Business, Law, Engineering, or Quantity Surveying (highly regarded)
• Ability to work a 2:1 FIFO roster
• Valid right to work in Australia

Our Commitment

There’s lots to get involved in, celebratory or cultural events and so much more. We work hard to make Monadelphous a truly great place to work. We celebrate our diversity and shared values and are committed to inclusion and equal opportunities for all. We’re committed to hiring locally, encourage people of all diverse backgrounds to apply and strongly encourage women and First Nations people to submit an application.

About Us

Monadelphous is an ASX-200 company providing multidisciplinary construction, maintenance and industrial services to many of the largest companies in the resources, energy and infrastructure sectors. Established in 1972, we’ve been working in Australia and around the world for more than 50 years. We work on the biggest projects and ensure our teams have a variety of opportunities available to follow their career path of choice.

Our Engineering Construction division is an increasingly diverse business, focusing on managing and delivering large-scale project management and construction services. Our expertise includes civil construction, structural steel fabrication, modularisation and delivery, as well as structural, mechanical, piping and tank construction. We also specialise in heavy lift and haulage services, electrical and instrumentation work and renewable energy infrastructure.

Safety is at the forefront of everything we do, and we live by our promise: The Safe Way is the Only Way. Apply now to get started. A career at Monadelphous is a career with a difference. Make it yours.