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Wetlands / Aquatic Resources Delineation Senior Biologist

Dudek
United States, California, Encinitas
305 3rd Street (Show on map)
Aug 21, 2025

Location(s): Southern California
Practice/Department: Biological
Internal Title: Aquatic Resources Delineation Expert
Work Environment: Hybrid
Compensation: $100,000-150,000/annually*


Dudek's journey began in 1980 with a vision to serve Southern California's water and wastewater agencies.
Today, we are a 100% employee-owned firm supporting clients nationwide and delivering projects that improve and protect the built and natural environments of communities throughout the United States. Our work has been recognized by leading industry organizations, and we've been honored with multiple national Top Workplace Awards.
Our employee-owners are unified by a singular commitment to supporting projects that address key societal issues, such as the transition to renewable energy, infrastructure hardening and repair, environmental protection, and community resilience.

Learn more about our award-winning culture, the benefits and perks of being a Dudekian, and the projects you will have the opportunity to shape.

Who You Are
As an employee-owner, you embrace accountability, working safely, and collaboration while thinking resourcefully and independently.
Like all Dudekians, you are curious and solution-oriented, with the ability to adapt quickly to changes and approach challenges with a spirit of innovation.


How You'll Make an Impact
Dudek is currently seeking a full-time senior-level Biologist to join our biological resources team. The successful candidate will help grow Dudek's biological resources practice; with a focus on aquatic resource delineations and permitting; and work collaboratively with other Dudek staff based throughout our California offices. This position will necessitate both in-office and field-based work and can be located out of any of our California offices.

Duties and Responsibilities
  • Plan and lead aquatic resource delineations;
  • Plan and lead collection of detailed field data, work in remote field locations, hike steep slopes over uneven terrain, and work full days in all types of weather
  • Prepare and oversee preparation of reports summarizing methodology, field survey results and recommendations;
  • Prepare and oversee preparation of Aquatic Resources Delineation Reports;
  • Prepare and oversee preparation of documents supporting environmental permit applications and CEQA/NEPA aquatic resources evaluations;
  • Prepare scopes of work and cost estimates for aquatic resources delineation work;
  • Manage technical projects from inception to completion, ensuring timely and efficient delivery;
  • Lead, mentor, and support project teams with the goal of maximizing performance and efficiency in the field and with report writing;
  • Mentor and train junior staff in collaboration with other senior staff;
  • Participate in the development of guides and training materials;
  • Represent Dudek and clients in agency meetings and public hearings as a subject matter expert for aquatic resource delineations and permitting;
  • Track and keep abreast of regulatory and delineation protocol changes to ensure compliance with the latest requirements.

Minimum Qualifications
  • Bachelor's degree in biology, ecology, botany, environmental science or related natural resources field;
  • A minimum of 12 years' of experience preparing and focusing solely on aquatic delineations and identifying wetland mapping boundaries using the 1987 US Army Corps of Engineers Wetland Delineation Manual and Regional Supplements.
  • Expert-level knowledge of state and federal statutes, regulations, and permitting requirements relating to the Federal Clean Water Act, California Porter-Cologne Water Quality Control Act, and California Fish and Game Code;
  • Expert-level knowledge of California aquatic resource types and systems; including disturbed and difficult sites in diverse environments (deserts, coasts, mountains, etc.)
  • Knowledge and applied experience with soil science;
  • Demonstrated experience with management of projects involving complex biological/aquatic resource impact analyses and mitigation planning;
  • Strong written and oral communication skills;
  • Expert-level experience withGPS technologies (e.g, ESRI FieldMaps) for mapping aquatic resources;
  • Willingness to travel throughout California for work, including over-night stays in hotels;
  • Must possess a valid driver's license and have active personal automobile liability insurance by first day of employment.

Preferred Qualifications
  • Master's degree in biology, ecology, botany, environmental science or related natural resources field;
  • Leadership and strong ability to work in a collaborative environment;
  • Regarded as an expert in the field and sought out as an instructor and presenter by outside parties;
  • Understanding of delineation process for two-parameter wetlands per California Coastal Commission;
  • Strong customer service emphasis and solution-oriented project delivery approach;
  • Conscientious and detail-oriented with demonstrated accuracy and attention to detail;
  • Exercises good judgment and demonstrates sound decision-making skills.

Compensation: $100,000-150,000/annually*
*Dudek considers multiple factors in determining final compensation for a position, including, but not limited to, an individual's relevant work experience, skills, education, certifications and competencies that align to the specified role, and geographic location. Successful candidates must pass a pre-employment drug test and background check prior to beginning employment.

Working Conditions:
Environment
  • This job operates in a remote or office-based environment and this role routinely uses standard office equipment such as computers, phones, printers, etc.
  • This job may also require occasional project site visits, based outdoors which can include excessive noise, uneven walking surfaces, extreme weather, and moving vehicles and equipment.
Physical Requirements
The physical demands described here are representative of those that must be met to successfully perform the essential functions of the job. This job requires the following:
  • Working on a computer, sitting, or standing for long periods of time in an office or remote office setting.
  • Employees must be capable of bending, squatting, climbing ladders, and lifting up to 35 lbs. unassisted; 50lbs in a team lift (two or more employees).
  • Attending meetings, both in person and virtually, and speaking on the phone with peers, clients, etc.
  • Specific vision abilities, including close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

Dudek is committed to creating a workplace where all employees, regardless of their background, feel valued, respected, and have equal opportunities to succeed. We believe that a diverse and inclusive workforce is essential to our business success, and we are dedicated to fostering a culture where everyone can thrive. We are committed to fair and equitable processes, based on merit, free from any discrimination.

Dudek is genuinely committed to equal employment opportunities within our company and on our project teams. Dudek is also committed to compliance with all applicable laws providing equal employment opportunities. This commitment applies to all persons involved in Dudek's operations and prohibits unlawful discrimination by any employee of Dudek, including supervisors and coworkers. Equal employment opportunities will be extended to all persons (including those with disability and veteran status) in all aspects of the employment relationship, including recruitment, hiring, training, promotion, transfer, compensation, benefits, discipline, layoff, recall, and termination. Any employee who violates this policy and Dudek's commitment to equal employment opportunities will be subject to disciplinary action.

Dudek is a U.S.-based employer. All positions are based in the United States and require U.S. work authorization.
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