Portland, USonsitePosted Jul 24, 2026
Posting intelligenceActively listed

About the role

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands-on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News-Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.

Job Summary

Langan is seeking an On-Call Biologist to join its collaborative team in Portland, Oregon. This individual will support biological surveys, wetland and stream assessments, restoration monitoring, habitat evaluations, and environmental permitting projects throughout Oregon, Washington, and the Pacific Northwest.

Job Responsibilities

Assist with plant and wildlife surveys for habitat assessments, special-status species, and other project requirements;

Assist with wetland delineations, jurisdictional determinations, and other aquatic resource surveys using current agency protocols, regionally specific methods, restoration monitoring for ongoing projects and other guidance;

Provide biological monitoring and oversight for construction projects, restoration implementation, and restoration maintenance;

Research regionally-sensitive natural resources, survey requirements, and reporting needs;

Assist with development of environmental permitting packages using data collected in the field by Langan or subcontractors;

Prepare reports documenting field investigations and analytical results;

Perform stormwater monitoring and reporting; and

Perform other duties as requested.

Desired Key Species Experience

Northern spotted owl

Marbled murrelet

Oregon chub

Oregon silverspot butterfly

Western pond turtle

Salmonids (coho salmon, Chinook salmon, steelhead)

Amphibians and freshwater mussels

Rare wetland and prairie plant species

Qualifications

Bachelor's degree in biology, wildlife biology, ecology, botany, environmental science, or related field;

2+ years of biological field experience in the Pacific Northwest;

Knowledge of aquatic resources, wetlands, and stream ecology;

Familiarity with NEPA, ESA, Clean Water Act, Oregon DSL, and Washington Ecology regulations;

Experience using ArcGIS Pro, Field Maps, and Survey123;

Experience working in remote field conditions and adverse weather environments;

Strong technical writing and communication skills.

Langan provides a rich array of programs and benefits to help its employees advance their careers and enhance the quality of their lives. Our comprehensive compensation package includes: full-time employment company paid medical, dental, and vision coverage; life insurance, short- and long-term disability insurance, and paid pregnancy disability leave; 401(k)/Roth with company match; paid time off including parental and military leave; employee referral and professional license bonuses; and educational reimbursement.

Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!

Langan is committed to providing equal employment opportunities to all qualified applicants and employees, including individuals with disabilities and protected veterans. We believe that an inclusive workplace is essential for the well-being and success of our employees.

Please review our Applicant Privacy Notice at Collection to understand how we collect, use, and retain your personal information: https://www.langan.com/langan-notice-at-collection

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