GIS Specialist

Overview

Lead GIS workflows for hydropower, watershed, and environmental projects.

Key Responsibilities

• hydraulic modeling
• gis lead
• data management
• cartographic visualization
• spatial analysis
• workflow automation

Tasks

-Prepare and translate inputs and outputs for 1D/2D hydraulic, sediment transport, and habitat models, ensuring spatial consistency and model-ready datasets. -Serve as GIS lead in proposal development, project planning, and data-management strategy for multi-disciplinary teams. -Develop basemaps, dashboards, and story maps to communicate modeling results and monitoring data to clients, regulators, tribes, and the public. -Mentor junior staff in geospatial methods, database management, and quality assurance practices. -Produce high-quality cartographic and visualization products for technical reports, permitting, and stakeholder engagement. -Conduct hydrologic and terrain analyses—watershed delineation, change detection, floodplain mapping, sediment characterization, and habitat suitability modeling. -Maintain metadata, QA/QC, and data management standards to support transparency, repeatability, and defensible technical deliverables. -Manage, process, and QA/QC large spatial datasets (LiDAR, topobathymetric surveys, DEMs, orthophotos, UAV-SfM) for use across engineering, geomorphic, and ecological disciplines. -Build geodatabases and automated geoprocessing workflows (ModelBuilder, Python, SQL) to ensure efficient, reproducible analyses and defensible regulatory documentation (FERC, NEPA/CEQA, ESA). -Lead GIS workflows supporting hydropower relicensing, dam removal, watershed modeling, hydraulic analysis, and environmental compliance projects. -Collaborate closely with engineers, geomorphologists, hydrologists, and biologists to integrate GIS analyses into design, modeling, and decision-making.

Requirements

• arcgis pro
• qgis
• python
• sql
• bachelor’s
• 10+ years

What You Bring

McMillen Inc. is looking for a GIS Specialist with 10+ years of professional experience to lead geospatial workflows for hydropower, watershed, and environmental projects. This position offers the opportunity to apply advanced GIS and data management skills across disciplines including hydrology, geomorphology, and ecology. The successful candidate will oversee spatial data integration, analysis, and visualization to support complex modeling, regulatory, and design projects. This role requires a balance of technical expertise, project management ability, and a passion for transforming geospatial data into actionable insights that inform sustainable water-resource and infrastructure solutions. GIS Specialist -Bachelor’s degree in Geography, GIS, Environmental Science, or related field required; Master’s degree or graduate GIS certificate preferred. -Demonstrated experience building and maintaining geodatabases and automated workflows using ModelBuilder, Python, or SQL. -Skilled in developing high-quality cartographic and visualization products for technical reports, permitting, and stakeholder communication. -Familiarity with 1D/2D hydraulic, sediment transport, or habitat modeling and preparation of model-ready spatial inputs and outputs. -Excellent data management, documentation, and metadata practices ensuring transparency and reproducibility. -Proven ability to manage, process, and QA/QC large geospatial datasets (LiDAR, DEMs, topobathymetric surveys, orthophotos, UAV-SfM). -Advanced proficiency in ArcGIS Pro or QGIS for terrain analysis, cartography, and spatial data management. -Minimum of 10 years of experience applying GIS and spatial analysis in support of engineering, hydrology, or environmental science projects. -Experience mentoring junior GIS staff and contributing to proposal development and project planning. -Strong written and verbal communication skills, with the ability to collaborate across disciplines and convey technical concepts to varied audiences. -Strong understanding of hydrologic, geomorphic, and environmental datasets, and their application in watershed, habitat, and infrastructure studies.

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Benefits

Visa sponsorship, including renewal during employment, will not be provided for this position. -Pay Range: $47 hr. – $76 hr. (DOE) -Benefits: McMillen provides a full Benefits Program consisting of Medical, Dental, Vision, Life, Disability, FSA, EAP, 401(k) and match, 9 Paid Holidays, generous PTO, opportunity for Stock Ownership and Wellness Reimbursement.

About Mcmillen

-Founded in 2004 and headquartered in Boise, Idaho, the firm grew by merging environmental, engineering, and construction under one roof. -Their design-build projects focus on dams, hydropower & pumped storage, fish passage, water control, treatment, transport, and restoration. -typical projects include dam design & build, fisheries and aquaculture systems, infrastructure for water delivery, and dam removal and reclamation. -Structurally employee-owned, they maintain a hands-on culture—'calloused hands' from field crews to welders and engineers. -Outposts span the U.S. West—from Idaho to California, Washington, Colorado, and Texas—plus international work in France. -Uniquely, they pair in-house environmental expertise with self-performing construction, owning their own 'yellow iron' heavy equipment.

Sector Specialisms

Visa Sponsorship

-visa sponsorship, including renewal during employment, will not be provided for this position.