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Part-Time On-Call Wildlife Biologist

Langan Engineering & Environmental Services
Riverside, CA Part Time
POSTED ON 1/5/2026
AVAILABLE BEFORE 3/17/2026
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 40 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 a Part-Time, On-Call Wildlife Biologist to join its collaborative team in the Inland Empire, Irvine, or Los Angeles, CA. This individual will serve a key function in supporting biological surveys, monitoring, and habitat evaluations throughout Southern California. This is an opportunity to gain field experience while contributing to conservation and compliance efforts. In this role, you will work cross-collaboratively across our North American regions as part of a rapidly growing team with a strong project pipeline in contaminated site assessment and remediation.

Job Responsibilities

  • Conduct field surveys for habitat assessments, special-status species, and other project requirements;
  • Support nesting bird surveys, biological monitoring, and construction compliance oversight;
  • Assist with wetland delineations, jurisdictional determinations, and vegetation mapping using current agency protocols and regionally specific methods;
  • Provide biological monitoring and oversight for construction projects, restoration implementation, and restoration maintenance;
  • Prepare detailed field notes and support preparation of biological reports and environmental permitting packages;
  • Collaborate with multidisciplinary environmnetal teams across Langan offices to meet project and client needs;
  • Perform other duties as requested.


Key Species of Concern

  • Coastal California gnatcatcher
  • Least Bell's vireo
  • Southwestern willow flycatcher
  • California red-legged frog
  • Burrowing owl
  • Quino checkerspot butterfly
  • San Diego fairy shrimp


Qualifications

  • Bachelor’s degree in biology, wildlife, botany, ecology, environmental science or a closely related field;
  • 3 to 5 years of biological field experience;
  • Familiarity with environmental regulations including NEPA, CEQA, and ESA;
  • Experience using GPS units in the field with use of ArcPad, Collector, Survey123 a plus;
  • Experience with local sensitive species is highly desirable;
  • Excellent written and verbal communication skills;
  • Strong attention to detail with excellent analytical, multitasking, and judgment capabilities;
  • Ability to effectively work independently and in a team environment; and
  • Possess reliable transportation for client meetings and job site visits and a valid driver’s license in good standing.


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.

Certain US jurisdictions require Langan to include an estimate of salary or hourly ranges. The estimated range for this role is: $34-36/hour. Actual compensation may vary based on factors such as related work experience, location, market conditions, education/training, certifications and other credentials, as well as applicable knowledge and skills. Certain roles may be eligible for overtime and participation in the firm's annual bonus and performance review program. Bonuses are discretionary and based on individual job performance and the profitability of the firm. Employees are also eligible to receive up to 20 days of paid vacation time, 10 days of paid sick time and 10 paid holidays throughout the year. Eligibility and actual paid time off may vary based on local law and factors such as hours worked, related work experience and level.

Salary : $34 - $36

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