Senior Fisheries Biologist

Arcadis

. Lead Ontario and central Canada field programs, including watercourse/fish habitat assessments, fish sampling, habitat mapping, spawning and benthic surveys, barrier assessments, sediment sampling/assessment and construction monitoring .

Posted 11/5/2026full-timeMarkham • CanadaSenior💰 CA$96,800 - CA$145,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in fisheries biology and aquatic ecology, with a strong focus on field program leadership, environmental assessments, and regulatory compliance. Proven ability to mentor teams, manage projects, and develop client relationships while ensuring high-quality data collection and reporting.

Highest-signal resume keywords

Fisheries BiologyAquatic EcologyEnvironmental ConsultingImpact AssessmentProject Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Fish Habitat AssessmentsBenthic SamplingSediment AssessmentData InterpretationTechnical WritingRegulatory ComplianceField TrainingEnvironmental MonitoringAquatic SurveysMitigation Planning

Soft Skills

CommunicationProblem-SolvingLeadershipTime ManagementCollaboration

Tools & Technologies

Data Quality AssuranceField EquipmentProject Management SoftwareEnvironmental Monitoring ToolsSafety Training Equipment

Certifications & Qualifications

Electrofishing Crew Lead CertificationBoating CertificationsFirst AidWHMIS Certification

Industry Keywords

Environmental AssessmentFisheries ActSpecies at RiskContaminated SitesFederal ProjectsNatural ResourcesInfrastructureMunicipal InfrastructureMiningEnergy

About the role

Key responsibilities & impact

Lead Ontario and central Canada field programs, including watercourse/fish habitat assessments, fish sampling, habitat mapping, spawning and benthic surveys, barrier assessments, sediment sampling/assessment and construction monitoring
Oversee field-program scope, methods, safety, logistics, equipment, data quality and crews
Support federal projects involving contaminated sites, environmental/fisheries reviews, authorizations and permits
Prepare and review reports, environmental and impact assessments, permit submissions, mitigation, compensation/offsetting and monitoring plans, and construction specifications
Advise on aquatic ecology, fish habitat, species at risk, restoration and regulatory strategy
Collaborate with planning, ecology, engineering, geomorphology, hydrology, Indigenous engagement and construction teams
Mentor junior and intermediate biologists through field training, technical review and delivery guidance
Maintain documentation, quality assurance and regulatory, project, safety and quality-management compliance
Support proposals, work plans, budgets, schedules and project management
Track scope, risks and deliverables
Grow business through opportunities, client relationships, technical pursuits and cross-service collaboration
Implement Ontario’s Fisheries and Aquatic Ecology strategy for capabilities, recruitment, service diversification and market growth

Requirements

What you’ll need

Bachelor’s in biology, fisheries biology, aquatic ecology or a related discipline
10+ years’ relevant experience in fisheries, aquatic ecology, environmental consulting/assessment, infrastructure, natural resources or regulatory projects
Federal project experience in fish/fish habitat, impact assessment or permitting, including federal agency coordination
Ability to apply federal/provincial requirements, guidance and best practices for fish habitat, aquatic species at risk, benthic invertebrates and in/near-water construction
Hands-on Ontario experience in fish/aquatic habitat surveys, benthic and sediment sampling, defensible data collection and crew leadership
Strong knowledge of Ontario aquatic ecosystems, fish habitat, benthic/sediment assessment methods, sampling protocols, impact assessment, mitigation and environmental monitoring
Excellent technical writing, data interpretation, communication and problem-solving
Ability to prioritize, meet deadlines, work independently and exercise senior technical judgment in consulting or project delivery
Valid Ontario driver’s licence
Ability to travel province-wide, including occasional remote assignments, overnight stays and fieldwork in variable weather and terrain
Experience with Fisheries Act reviews/authorizations, DFO Permitting, compensation/offsetting and post-construction monitoring
Experience with species at risk assessments, aquatic surveys, permitting and mitigation
Experience with sediment assessments, including contaminated sediments
Electrofishing crew lead certification, fish identification training, mussel identification experience, boating certifications, First Aid, WHMIS or other safety training
Relevant professional/technical registration or eligibility
Experience in transportation, municipal infrastructure, energy, mining, federal lands, ports, airports, defence or other federally regulated projects
Experience with proposal development, budget/schedule management, client relationships and business development

Benefits

Comp & perks

Meaningful work delivering sustainable solutions
Skills-based career development approach
Opportunities to harness unique experience and expertise to shape a career path
Equal opportunity and affirmative action workplace
Inclusive workplace committed to equality, diversity, inclusion and belonging