What is the role? The Arborist is responsible for conducting tree inventories, health and risk assessments, and providing arboricultural expertise for infrastructure and development projects. The role involves evaluating the impacts of proposed developments on trees, preparing technical reports and tree preservation plans, supporting regulatory compliance, and advising on tree protection measures during construction. The Arborist also contributes to ecological field surveys, collaborates with multidisciplinary teams, municipalities, regulators, and Indigenous partners, and supports environmental management initiatives across Ontario.

Why join LEA? LEA is an employee-owned engineering consulting firm with a 72‑year history. We provide multidisciplinary engineering services across Transportation, Civil, Structures, Construction Administration, Electrical and Infrastructure Systems, and Environmental Management.

At LEA's Construction & Environmental Division, we specialize in construction supervision for Ministry of Transportation Ontario (MTO) projects in the Northern and Western regions of Ontario. Our Environmental sector focuses on Environmental Management during design and construction, environmental planning, ecology/biology, and compliance oversight monitoring.

At LEA, we are committed to producing high-quality, client-focused engineering solutions while supporting the professional growth and self-realization of our people. As an employee-owned company, every team member contributes directly to LEA’s continued success and growth.

We’re confident that by joining LEA, you can discover and realize your full career potential because LEA: Has been recognized as a Greater Toronto Top Employer and Canada’s Top Employer for Young People for 2025 & 2026, highlighting our commitment to fostering an outstanding workplace culture and supporting the next generation of professionals. Recruits high-performing, motivated individuals who strive to achieve the highest level of technical excellence and quality. Is an Employee-owned company, and almost half of our employees are shareholders. Offers a competitive total rewards package of salary, substantial bonuses, benefits and other perks. Is continuously involved in many exciting and challenging projects throughout Ontario and around the world. Allows for a collaborative hybrid work environment with flexible hours to maintain a healthy work-life balance. Cultivates team companionship and collaboration, offering a variety of social events aimed at fostering relationships across the company, including sports leagues, game nights, special events, and volunteer/charitable opportunities. Is an organization that is committed to achieving our Environmental, Social & Governance objectives through our various committees. Prioritizes mentorship, training, and rotational assignments for knowledge advancement and career growth. Has an entrepreneurial spirit as an employee-owned company, with continuous growth and expansion, taking part in meaningful projects.

In this role, your duties and responsibilities will include: Conduct detailed tree inventories, assessments, and arboriculture surveys, including condition and risk assessments, and diagnose tree health issues using industry best practices. Provide consulting support for construction and development projects, including tree protection measures, impact assessment, and compliance with applicable legislation, regulatory, and municipal by-laws. Support risk management decisions related to public safety, infrastructure, and land-use activities. Assess impacts to trees from proposed developments and infrastructure projects. Prepare clear, well‑structured arborist reports and technical supporting documentation. Develop Tree Preservation and Restoration Plans (or equivalent) in collaboration with the Geomatics Team. Represent LEA in meetings with clients, municipalities, and project stakeholders and collaborate with internal and external project teams, regulators, and Indigenous partners. Provide guidance on the implementation of tree protection measures in the field. Support terrestrial ecology field survey programs, including vegetation community characterization, wildlife habitat assessments, and Species at Risk (SAR) screening. Adhere to health and safety policies and report any unsafe conditions, incidents, or hazards to the supervisor. Other duties and responsibilities within the scope of the Environmental Sector.

The qualifications you need: Certified Arborist designation with the International Society of Arboriculture (ISA). Undergraduate degree or diploma in a related discipline (e.g., Ecology, Biology, Forestry, Fish and Wildlife Technology, Geography, Landscape Architecture). Demonstrated 3-5 years of experience in consulting arboriculture, including tree inventory, assessment, reporting, and impact analysis. Working knowledge of Ontario regulatory frameworks, including the Species Conservation Act, 2005 (SCA), Migratory Birds Convention Act, 1994 (MBCA), and applicable municipal tree by-laws. Experience supporting regulatory permit applications and approvals as it relates to tree protection. ISA Tree Risk Assessment Qualification (TRAQ) is considered a strong asset. Butternut Health Assessor Certification is considered a strong asset. Experience conducting other vegetation and/or botanical inventory protocols is considered a strong asset. Proficiency with data collection, GPS tools, and GIS platforms (e.g., Field Maps, Collector, Survey123) and experience supporting mapping and geospatial data management. Comfortable working outdoors in a variety of weather conditions and terrain, including construction and active work sites. Experience with invasive species identification and management is considered a strong asset. Valid driver’s license.

Total Rewards at LEA At LEA, we offer a total rewards package designed to support your financial well-being, health, and work-life balance, along with unique opportunities for shareholding and long-term share value growth. Annual Salary Range: $60,000 – $75,000 Discretionary Profit Sharing: LEA offers opportunities to receive a bonus payment from the profit-sharing program. Shareholding: Unique opportunity to become a shareholder in the firm, have a voice in governance, and benefit from long-term share value growth. Group Health Benefits: Comprehensive coverage including prescription drugs, dental, vision, STD, LTD, life insurance, critical illness, wellness account, travel coverage, and virtual health services. Retirement & Savings Plans: RRSP with employer matching and TFSA options for tax-free growth. Personal Days: 7 days of flexible paid time off that can be used as needed, including for personal matters or vacation. Hybrid & Flexible Work Model: LEA operates in a hybrid environment with flex hours to ensure flexibility, safety, and well-being. Periodic attendance at our Markham/Toronto office is expected for in-person learning and collaboration. Social Club: LEA has a unique, employee-co-funded social club with an annual budget of approximately $50,000 to host social events and activities that bring employees together. Many events welcome guests, with the social club covering part or all of the guest costs.

Type of Position: Full-Time Permanent

The work arrangement: LEA operates in a hybrid environment to ensure flexibility, safety, and the well-being of everyone.

LEA's Commitment to Inclusive Hiring and Equal Opportunity: LEA Consulting Ltd. is proud to be an equal employment opportunity employer, with Diversity, Equity, and Inclusion (DEI) embedded in all strategic planning and operational activities. As part of our commitment to fair representation and equitable access to opportunities, we encourage applications from underrepresented groups, including Indigenous peoples, LGBTQ2S+ individuals, newcomers, neurodiverse individuals, persons with disabilities, racial and ethnic minorities, refugees, veterans, and women. We evaluate all qualified candidates based on their skills and experiences, without regard to factors such as age, colour, conviction for an offence for which a pardon has been granted, disability, family status, gender identity or expression, genetic characteristics, marital/family status, national origin, protected veteran status, race, religion, sex, sexual orientation, or any other status protected under the Canadian Human Rights Act.

Accessibility: LEA is committed to providing an inclusive and accessible experience for all candidates. If you require accommodations during any stage of the recruitment or interview process, please contact People@LEA.ca. We remain committed to ensuring that accommodations are available and supported throughout employment.

AI Disclosure: We do not use Artificial Intelligence (AI) tools to screen, assess, or select applicants at any stage of the hiring process for this position.

Vacancy Status: This position is an existing vacancy.

Apply and stay connected with LEA: We appreciate your interest in joining LEA! If this role aligns with your experience, we would love to hear from you. While we’ll only be reaching out to candidates selected for an interview, we encourage you to apply again when a suitable opportunity arises. Stay connected with us on LinkedIn, Facebook, Instagram, Twitter, and YouTube.