GIS Specialist III

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 ensuring alignment with business governance processes.
• 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.

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).
• 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.
• 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

Benefits

Additional Information

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).

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