AI Engineer

AECOM; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Disability confident employer

On-site onboarding Day 1

Comprehensive benefits

Job summary

AECOM is seeking an AI Engineer to join the AI Engineering team on-site in London. You will design, implement and deploy LLM-based solutions that shape infrastructure and buildings, with a startup-like pace backed by a global firm.

You'll work end-to-end on data prep, evaluation, deployment and monitoring, collaborating with product teams to integrate AI features into our SaaS platform, using Python, CI/CD and modern MLOps tools.

Qualifications

• Master’s degree in Computer Science, Data Science, Computational Linguistics, or related field.
• Hands-on experience with LLM techniques for text representation and semantic data extraction.
• Proven experience end-to-end on software solutions and CI/CD pipelines.
• Proficiency in Python and Pydantic validation.

Responsibilities

• Design, implement and deploy LLM-based solutions into production.
• Work end-to-end on ML solutions: data prep, evaluation, deployment, and monitoring.
• Develop text representation and semantic extraction pipelines for structured knowledge from unstructured data.
• Collaborate with product teams to integrate LLM features into our SaaS platform.

Skills

LLM techniques

Python

Pydantic validation

CI/CD pipelines

Education

Master’s degree in Computer Science/Data Science/Computational Linguistics

Tools

Terraform

Azure

Prometheus

Grafana

Elastic Stack

Job description

• Legal Entity: AECOM Engineering Technology Services Ltd
• Business Line: Corporate
• Work Location Model: On-Site
• Operating Group: Corporate

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

In AECOM’s AI Engineeringteamyour code will directly shape the physical world around us. We build AI-driven technology thatrevolutioniseshow infrastructure and buildings are designed andengineered;reducing waste, cutting CO₂, and making the built environment more efficient and sustainable. This is where software hasmeasurable, real-world impact.

With our AI Engineeringteamwe’vecreated a unique setup: a lean, highly technical team with the speed and ownership of astart up, backed by the scale, resources, and domainexpertiseof one of the world’s leading engineering firms.

There has never been a better time to be at AECOM. We are leading the industry’s AI transformation, and with our people and technology we deliver excellence andinnovatewith impact.

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

WhatYou’llDo

As part of the Assurance & Insight team, you will focus on designing,implementingand deployingLLM based solutions into production.

• Using various LLM models with latest approaches (agentic, context engineering) to solve challenging problems
• Work end-to-end on ML solutions: from data preparation and evaluation, deployment, and monitoring
• Develop text representation and semantic extraction pipelines for structured knowledge from unstructured data
• Collaborate with product teams and domain experts to integrateLLMfeatures into our SaaS platform

Qualifications

Must-Have Qualifications

• Master’s degree in Computer Science, Data Science, Computational Linguistics, or related field
• Hands-on experience withLLMtechniques for text representation and semantic data extraction
• Proven experience working end-to-end onSoftwaresolutionsand CI/CD Pipelines
• Proficiencyin Pythonandpydanticvalidation

Preferred Skills

• Understandingofoptimizingboth CPU-bound and GPU-bound workloads.
• Knowledge of monitoring and observability tools (e.g.Prometheus, Grafana, Elasticstack).
• Experience with Infrastructure as Code (Terraform).
• Experience with Azure
• Experience with Machine Learning
• Experience in buildingproductfor theconstruction industry.

Additional Information

Our Hiring Process

• 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 (60 min)
  • Culture fit: In-person meeting with our leadership team (30 min)

Why Join Us?

• Work on real-world problems where AI createsmeasurableimpact.
• 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, andhigh standards.
• Contribute to making the built environment smarter and more sustainable.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

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, employeeassistanceprogram, 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 aecom.com.

What makes AECOM a great placeto work

You will be part of aglobalteam that champions your growth and career ambitions. Work on groundbreaking projects—both in your local community and on a global scale that are transforming our industry and shaping the future. Withcutting-edgetechnology and a network of experts,you’llhave the resources to make a real impact. Our award-winning training and development programs are designed to expand yourtechnicalexpertiseand leadership skills, helping you build the careeryou’vealways envisioned. Here,you’llfind a welcoming workplace built on respect,collaborationand community—where you have the freedom to grow in a world of opportunity.

We are a DisabilityConfidentEmployer 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 [e-mail] if you would like to apply through the DisabilityConfidentInterview Scheme.

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