Senior Software Engineer

In AECOMs AI Engineering team your code will directly shape the physical world around us. We build AI-driven technology that revolutionises how infrastructure and buildings are designed and engineered; reducing waste cutting CO₂ and making the built environment more efficient and sustainable. This is where software has measurable real-world impact. 

With our AI Engineering team weve created a unique setup: a lean highly technical team with the speed and ownership of a start up backed by the scale resources and domain expertise of one of the worlds leading engineering firms. 

There has never been a better time to be at AECOM. We are leading the industrys AI transformation and with our people and technology we deliver excellence and innovate with impact. 

We invite you to bring your bold ideas and big dreams to solve the worlds most complex challenges. Were one global team driven by our common purpose to deliver a better world. Join us. 

What Youll Do 

As a Senior Software Engineer youll work at the intersection of software engineering and machine learning operations. 

Were hiring multiple engineers with complementary strengths across platform engineering and ML systems. No single person is expected to cover everything. Depth in one area strong fundamentals and the ability to collaborate effectively matter more than perfect overlap. 

Part of the work focuses on core platform engineering: designing and building services evolving system architecture improving reliability resolving issues and making sound trade-offs in areas such as database design and schema evolution. 

Another part focuses on ML systems: ensuring models run reliably efficiently and at scale turning research into production-ready tools. This includes deploying monitoring and optimizing AI workloads using Python and solid software engineering practices. 

Qualifications :

Must-Have Qualifications 

• Proven and demonstrable hands-on experience developing and deploying ML models in production settings 
• Masters or PhD in Engineering Computer Science Applied Mathematics Data Science Operations Research or a related field 
• Strong expertise in Python and modern ML frameworks (e.g. PyTorch TensorFlow scikit-learn) 
• Demonstrated depth in model design optimization and evaluation beyond standard off-the-shelf approaches 
• Strong intuition for model failure modes generalization and real-world performance trade-offs 
• Proven ability to independently scope execute and deliver high-impact ML initiatives 
• Clear communicator who can explain complex modeling decisions and trade-offs to diverse stakeholders 

Preferred Skills 

• Understanding of optimizing both CPU-bound and GPU-bound workloads. 
• Knowledge of monitoring and observability tools (e.g. Prometheus Grafana ELK stack). 
• Experience with Infrastructure as Code (Terraform). 
• Experience with Azure. 
• Identifying and resolving bottlenecks in distributed machine learning workloads (knowledge of low-level languages and CUDA library is a plus). 
• Experience in building design automation products within the construction industry. 

Additional Information :

Our Hiring Process 

• 25-minute screening call 
• Take-home challenge: A hands-on task to assess your problem-solving and technical skills 
• Combined technical and cultural interview (in-person) 
  • Whiteboard Interview: 1-hour with 2 of our engineers to discuss your solution to the take-home challenge 
  • Culture fit: 30-minute meeting with our leadership team 

Why Join Us 

• Work on real-world problems where AI creates measurable impact. 
• Be part of a team where your work matters and your ideas become real. 
• Collaborate with sharp driven colleagues in a culture of trust ownership and high standards. 
• Contribute to making the built environment smarter and more sustainable. 

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About AECOM

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status AECOM benefits may include medical dental vision life AD&D disability benefits paid time off leaves of absences voluntary benefits perks flexible work options well-being resources employee assistance program business travel insurance service recognition awards retirement savings plan and employee stock purchase plan.

AECOM is the global infrastructure leader committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities we solve our clients complex challenges in water environment energy transportation and buildings. Our teams partner with public- and private-sector clients to create innovative sustainable and resilient solutions throughout the project lifecycle from advisory planning design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at .

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projectsboth in your local community and on a global scalethat are transforming our industry and shaping the future. With cutting-edge technology and a network of experts youll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills helping you build the career youve always envisioned. Here youll find a welcoming workplace built on respect collaboration and communitywhere you have the freedom to grow in a world of opportunity. 

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition who meet the minimum/essential criteria for the role. Please let us know using this email address   if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.

Remote Work :

No

Employment Type :

Full-time