Mid-Level Project Arborist

Current job opportunities are posted here as they become available.

Atlas is a trusted leader in environmental and infrastructure consulting services; we provide services that enable communities to flourish and thrive. With a team of 3,500 employees and offices throughout the US, we combine local expertise and a network of relationships to deliver solutions to both public and private clients. Our services help improve the quality of life in the communities where we live and work.

We always aim for smart, safe, and sustainable results. At Atlas we understand that our future is everyone’s responsibility, and we create a better experience at every stage of a project.

Job Description

We are seeking a highly skilled and experienced Project Arborist to join our multi-disciplinary environmental team. The ideal candidate will have experience supporting transportation, utility, and infrastructure projects through tree inventories, critical root zone analysis, preservation planning, construction compliance monitoring, and regulatory permitting. This role requires expertise in tree species identification, health assessments, risk evaluation, and regulatory compliance to support project development and permitting.

Core Responsibilities

• Collaborate with engineers, environmental scientists, and project managers to develop and implement tree protection and mitigation strategies.
• Prepare technical reports, tree retention plans, and permit applications in accordance with local, state, and federal regulations.
• Utilize strong technical writing and GIS skills to effectively communicate findings to clients and stakeholders.
• Conduct pre- and post-construction site reviews, construction monitoring, and arborist compliance inspections
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• Provide field direction for root pruning, branch pruning, tree protection fencing, excavation within critical root zones, and other tree protection best management practices
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• Review grading, utility, drainage, access, and staging plans to identify potential impacts to retained trees.
• Develop practical tree protection and mitigation measures that balance project objectives with tree preservation goals.
• Coordinate with project owners, regulatory agencies, contractors, and design teams regarding tree protection requirements, permit conditions, and compliance with local tree regulations.

• ISA Certified Arborist credential in good standing.
• 3+ years of experience conducting arboricultural assessments and providing tree protection support for infrastructure, utility, transportation, or development projects.
• Experience developing, implementing, and monitoring tree protection BMPs during construction; including root protection, soil compaction mitigation, and impact assessments..
• Experience conducting tree inventories and preparing tree assessment reports, tree retention plans, arborist compliance reports, and permit submittal documents.
• Bachelor's degree in Forestry, Environmental Science, Biology, Botany, Engineering, or related field; equivalent professional experience may be substituted for education.
• Strong technical writing skills including preparation of arborist reports, compliance reports, protection plans, and mitigation strategies.
• Ability to interpret and apply tree regulations, municipal codes, and environmental policies to project planning and permitting.
• Experience conducting Critical Root Zone (CRZ) evaluations and assessing construction impacts to retained trees.
• Ability to travel throughout Washington and Oregon for field assessments, client meetings, and construction support activities.

• Proficiency with GIS mapping tools (ArcGIS, QGIS) and GPS data collection.
• Demonstrated experience collaborating with engineers, landscape architects, contractors, and environmental planners.
• Proven ability to conduct tree replacement analyses and develop retention strategies.
• Experience providing technical guidance, mentoring, and quality control for arborists, field staff, or environmental professionals.

• Experience working on transportation, utility, and infrastructure projects.
• Experience leading multidisciplinary coordination efforts.
• Mentori…