Position Information

Ref #

300053764

Region

Perth, WA

Classification

Professionals

Date Posted

06-Jul-2026

Description & Requirements

As the Senior Contract Administrator/Contract Administrator you will manage the full contract lifecycle, including Head contract administration, procurement, cost forecasting, subcontractor management, claims, variations, and contract closeout.

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.

Working with Monadelphous offers many perks, some of which include:

- Attractive site uplift and Project Completion Bonus
- Opportunity to work on high-profile projects with tier 1 clients
- Strong pipeline of future work with a focus on redeployment and career progression

Key Responsibilities

- Manage the full contract lifecycle across both Head Contract and Subcontract scopes, including procurement, cost forecasting, claims, variations, and closeout
- Administer the Head Contract by managing contractual obligations, notices, time-bars, and upstream claims (including EOTs and delay costs)
- Lead subcontract procurement, negotiation, and award, ensuring appropriate flow-down of Head Contract obligations and alignment of risk profiles
- Administer subcontractor agreements, including progress claims, variations, compliance, and performance monitoring in line with project requirements
- Support both offsite commercial management (forecasting, reporting, strategy) and onsite delivery teams in identifying, capturing, and managing change events
- Coordinate and manage contract documentation, including RFIs, TQs, site instructions, purchase orders, and contractual correspondence
- Provide commercial advice to Project Managers and project teams to protect contractual entitlements and drive project outcomes
- Monitor and manage commercial risk across both Head Contract and Subcontract interfaces




- Ensure compliance with company procedures, contract requirements, and relevant legislation
- Support site-based teams as required, including interface between onsite delivery and offsite commercial functions

What you’ll bring:

- Proven experience in a Contract Administrator or similar role within mining, minerals, oil & gas, or major infrastructure projects
- Tertiary qualification in Business, Law, Engineering, or Quantity Surveying (highly regarded)
- Experience within energy, infrastructure, or resources sectors
- Strong experience in contract management and administration on large-scale construction projects
- Proven experience across variations, claims, and contract execution
- Strong understanding of commercial principles and contract risk
- Excellent negotiation, communication, and stakeholder management skills
- Ability to build relationships and influence stakeholders at multiple levels

Life at Monadelphous
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.

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

📌 Contract Admin/Senior Contracts Admin (Perth)
🏢 Monadelphous
📍 Perth