Senior GIS Specialist

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.

As a Senior GIS Consultant/Analyst, you will apply your expertise in Geographic Information Systems (GIS), spatial data management and database technologies to support the delivery of a diverse portfolio of complex and high-profile projects.

Leveraging the Esri technology stack (mobile, desktop and web), alongside ETL tools such as FME, you will lead the sourcing, management and development of high-quality geospatial data and products. You will enable project teams and clients to effectively visualise, interrogate and interpret spatial information, supporting robust decision-making and reporting.

In this role, you will proactively identify opportunities to enhance and streamline geospatial workflows, driving efficiency and innovation across project delivery. As part of a centre of technical excellence, you will contribute to the continuous improvement of tools, standards and best practices.

Working closely with Project Managers and technical leads, you will build strong relationships and apply your consultancy skills to champion the value of geospatial solutions, engaging confidently with clients and stakeholders to deliver impactful outcomes.

Strong preference for experience supporting UK-based environmental programs (e.g., linear infrastructure, offshore/onshore wind, solar, carbon capture & storage, master planning, permitting & Environmental Impact Assessments).

KEY RESPONSIBILITIES

Technical Design & Implementation

• Lead the design and programming of project-specific spatial databases, ensuring robust schema design and data integrity.
• Execute advanced spatial analytics, including multi-criteria decision analysis (MCDA) for site selection or environmental assessments.
• Develop and deploy sophisticated web experiences and dashboards using ArcGIS Experience Builder and Dashboards to visualize complex datasets for clients.

Automation & Workflow Efficiency

• Drive delivery efficiency by creating and maintaining automation scripts using Python (ArcPy) and ModelBuilder.
• Implement reproducible workflows and logical expressions (e.g., Arcade) to enhance visualization and field data collection tools.

Quality & Governance

• Govern consistent workflows and documentation, metadata, and QA/QC, including adherence to internal/client Technical Quality Review (TQR) or equivalent processes. 
• Steward geodatabases through effective versioning, metadata management, and security protocols.

Collaboration & Consulting

• Act as a technical point of contact for project managers, translating client needs into actionable geospatial tasks and resource estimates
• Collaborate closely with project GIS Leads, data analysts and wider stakeholders to support multidisciplinary teams in the visualization, interrogation, analysis and presentation of spatial information.
• Mentor junior staff, supporting their technical development and adherence to project standards.

MINIMUM REQUIREMENTS

• Degree in GIS, Geospatial Science, Environmental Science, or a related field.
• 5+ years of professional GIS experience with a BA/BS (or 6+ years with AA/AS).
• Demonstrated ability to operate independently with minimal supervision on technical project delivery.
• Strong communication skills and ability to translate complex requirements into actionable technical plans. 
• Demonstrable experience with quality, metadata, governance, and security practices within enterprise geospatial environments. 
• Proficiency in English, verbal and written, with emphasis on technical GIS communication (CVs must be submitted in English). 

Technical Stack

• ArcGIS Pro, ArcGIS Enterprise, ArcGIS Online.
• Experience Builder / Web Experience, dashboards/visualization.
• Python/ArcPy, SQL.
• FME (Form and Flow) and other ETL tools
• Integration with CAD/BIM, APIs, and field data tools (Survey123, Field Maps).

PREFERRED/DESIRABLE

• Working towards chartered professional status (e.g., CGeog, GISP) or equivalent senior technical accreditation.
• Environment sector experience spanning linear infrastructure, offshore/onshore wind, solar, Carbon Capture & Storage, hydrogen, nuclear, airports, marine, master planning, permitting & Environmental Impact Assessments.
• Experience working on UK projects, including familiarity with UK standards, regulations, and delivery contexts.
• Familiarity with open‑source geospatial (e.g., QGIS, GeoPandas) and cloud/web GIS patterns.

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, 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 aecom.com. 

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 projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll 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 you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.