Senior Sourcing Officer

About the role

Ready to make an impact where every contract counts? Join us as a key player in shaping smart, fair, and efficient procurement processes. You'll dive into developing and managing contracts that balance risk and value, all while supporting exciting, medium-value, medium-risk projects. Collaborate with diverse teams and stakeholders, sharing your expertise to help bring great ideas from paper to reality.

In this role, you'll craft tender documents, lead evaluation panels, and negotiate with confidence and care. Your sharp eye for detail and knack for problem-solving will ensure everything runs smoothly and in line with policies. Plus, you'll champion continuous improvement, finding new ways to make procurement faster, clearer, and more effective.

If you're someone who thrives on teamwork, loves tackling challenges, and communicates with clarity and warmth, you'll fit right in. Bring your passion for procurement, your organisational flair, and your fresh ideas—we're excited to help you grow, succeed, and make a real difference.

About You

To excel in this role, you should possess:

• Knowledge and/or experience of government procurement policies and procedures (desirable).
• Experience in tender and contract development.
• Sound verbal communication and interpersonal skills with the ability to consult, negotiate and manage relationships with a range of stakeholders.
• Sound written communication skills, with the ability to prepare procurement and technical documents.
• Sound organisational skills with the ability to meet milestones and deadlines.

About Us

The Public Transport Authority's (PTA) vision is to be recognised as a leader in providing world-class public transport services and solutions. Our purpose is to provide safe, customer-focused, integrated, and efficient transport services that align with our core values.

At the PTA, we hold five core values dear: safety, respect, recognition, integrity, and sustainability. These values guide everything we do, ensuring a workplace where safety is paramount, respect is fundamental, achievements are celebrated, integrity is unwavering, and sustainability is integral to our mission.

As a fast-growing economy, Western Australia's public transport system, under the PTA, is recognised as the best in Australia and one of the most efficient, clean, and safe networks globally. Rail transport plays a vital role in our continued success and growth, exemplified by our numerous projects such as METRONET, designed to meet the public's needs and expectations. Moving millions of people requires the skill and commitment of a talented workforce, and at the PTA, we are dedicated to delivering on our vision and purpose while upholding our values every step of the way.

You can expect.

• Opportunities to grow through personal development and career pathways
• Health and Wellbeing programs including access to a free 24/7 onsite Gym
• Subsidised Corporate Apparel and Spectacles
• Dynamic and Supportive Team Environment
• Opportunity to join our Social Club offering savings and benefits all year round.

There are currently two fixed term opportunities, available to 30 June 2027 and 30 September 2027, with the possibility of renewal and/or permanency. Applicants assessed as suitable through this process may be used to fill similar vacancies on a fixed term or permanent basis that may arise within the next 12 months.

**To be eligible to work at the PTA you must be either an Australian Citizen or Australian Permanent Resident or hold a valid work visa until 30 June 2027 at the time of your application.

The PTA is an equal opportunity employer and encourages people with disability, Aboriginal and Torres Strait Islander people and persons from culturally diverse backgrounds to apply.

Further Information

Please contact Lisa Tierney, Principal Sourcing Coordinator on for specific information about the role.

For more information about the PTA, please visit

For technical difficulties, please contact the RAMS helpdesk at or email

How to Apply

Applicants must apply online, using the 'Apply' button, this will take you to the WA Jobs board, where you will need to follow the instructions listed on the advert. If not directed straight to the position, please key Position Number 34522 in the web search box.

Please note the closing date and time, as no emailed, late or pro forma applications will be accepted.

Closing Date: 5pm (WST) on Monday, 6 October 2025