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 prospect 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 benefits, 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 ****, 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 Safe 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