Senior/Associate Environmental Scientist/Engineer

Shape the Future with CDM Smith Australia

Senior/Associate Environmental Scientist/Engineer | Contaminated Sites

Perth – Full Time

Are you ready to leave your mark on the world and build a legacy for generations to come?

At CDM Smith Australia, we believe meaningful careers start with connection. We aren't simply hiring, we're partnering with passionate professionals who want to make a real difference. Your expertise, vision and values are what matter most to us. If you're looking for more than just a job, join us to shape the future of environmental services across Western Australia and beyond.

About You

• 8+ of broad experience in contaminated sites, soil science, contaminant hydrogeology and/or related field.
• A proactive approach to initiating and leading client engagement partnered with excellent communication skills.
• Strong project delivery capability, with experience leading and mentoring junior staff.
• Excellent technical report and proposal writing skills, with proven expertise developing conceptual site models and a strong understanding of National and Western Australian legislation.
• Experience and/or enthusiasm for applying innovative data analytics and technologies to addressing contamination and environmental challenges, as well proficiency with ESdat.
• Professional certification, or a desire to obtain, would be highly regarded (e.g. Certified Environmental Practitioner, Chartered Engineer or Soil Scientist etc).
• Relevant tertiary qualifications in the area of environmental science, engineering, earth science or a related field.
• Full legal working rights within Australia and C class Licence required.

Why CDM Smith Australia?

We're tackling Australia's most pressing environmental, water and digital challenges head-on. Here, your work will have genuine impact not only for our clients, but for communities and the planet itself. You'll be empowered to develop innovative solutions, drive technical excellence, and build a sustainable future for Western Australia.

With us, you'll help set the agenda for the region's growth and environmental progress your ideas and energy will help steer Western Australia into a brighter, greener tomorrow.

What You'll Get

• Flexibility: Design your work-life balance with genuine flexible working options.
• Support: 12 weeks paid parental leave, 2-week secondary carer leave, health & wellness programs, and annual flu vax.
• Recognition: Celebrate your achievements through our employee recognition program.
• Growth: Unlimited access to learning platforms, mentoring from industry leaders, and global mobility options.
• Rewards: Referral bonuses, employee discounts, and benefits programs.
• Belonging: Be part of a global, employee-owned consulting firm committed to diversity, inclusion and a positive workplace culture.

Join Us – Make Your Mark

Ready to be part of a team where your insight, expertise and ideas truly matter? Where client relationships are built on trust, and solutions are shaped by passion and knowledge? At CDM Smith Australia, we're growing because we invest in our people and our clients by delivering fit-for-purpose, sustainable answers for industry's toughest problems.

We welcome applicants from all backgrounds. Diversity, technical ability, integrity and innovation are the hallmarks of our team. If you want to be heard, valued and inspired, let's shape your NOW and your NEXT, together.

Let's get started: For more information or a confidential chat, reach out to Senior Human Resources Business Partner – Sharra Holborow at

Please note: Our offices will be closed from Monday, 22 December, and will reopen on Monday, 5 January 2026. We'll review and respond to applications in the New Year. Thank you for your patience

At CDM Smith, we Listen, Think, Deliver.