Senior Staff Biologist

Langan Engineering & Environmental Services; Irvine (CA); On-site; USD 76,000 - 110,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Life insurance

Disability insurance

Pregnancy disability leave

401(k) with company match

Paid time off

Educational reimbursement

Employee resource groups

Flexible work schedules

Training programs

Wellness programs

Mentoring programs

Job summary

Langan is seeking a Senior Biologist to join its collaborative team in Irvine, CA. You will conduct biological resource assessments and surveys, lead nesting bird surveys, and support restoration monitoring for projects across Southern California.

Collaborate with multidisciplinary teams supporting infrastructure, energy, land development, and environmental restoration efforts while ensuring compliance with CEQA/NEPA and other regulations; travel to diverse field sites as needed.

Qualifications

• Bachelor’s degree in biology, wildlife biology, ecology, botany, environmental science, or related field.
• 3–6 years of biological consulting experience in Southern California.
• Experience conducting habitat assessments and special-status species surveys.
• Familiarity with CEQA, NEPA, ESA, Clean Water Act, and California Fish and Game Code requirements.
• Experience preparing permit applications and coordinating with USFWS, CDFW, USACE, Regional Water Boards, and local agencies.
• Experience with ArcGIS Pro, ArcGIS Field Maps, Survey123, and GPS-based data collection.
• Excellent technical writing and communication skills.
• Ability to travel and perform fieldwork in varying environmental conditions.

Responsibilities

• Lead nesting bird surveys, biological resources and habitat suitability assessments, vegetation communities classification and mapping, plant and animal species inventories, special status plant and animal species surveys, jurisdictional delineations, resource constraints analyses, and tree surveys.
• Develop permit application packages for ACOE, CDFW, USFWS, and local agencies.
• Coordinate with field teams and project managers to implement permit conditions.
• Travel to job sites in remote locations.
• Work in construction environments where schedule, timeliness, and attention to detail are top priorities.
• Performs other duties as requested.

Skills

Habitat assessments

Special-status surveys

ArcGIS Pro

ArcGIS Field Maps

Survey123

GPS data collection

Education

Bachelor’s degree in biology or related field

Tools

ArcGIS Pro

GPS devices

Job description

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 a Senior Biologist to join its collaborative team in Irvine, CA. This individual will serve a key role in conducting and leading biological resource assessments, special‑status species surveys, vegetation mapping, nesting bird surveys, restoration monitoring, and biological construction monitoring throughout Southern California. In this role, you will collaborate with multidisciplinary teams supporting infrastructure, energy, land development, transportation, water, and environmental restoration projects.

Job Responsibilities

• Lead nesting bird surveys, biological resources and habitat suitability assessments, vegetation communities classification and mapping, plant and animal species inventories, special status plant and animal species surveys, jurisdictional delineations, resource constraints analyses, and tree surveys;
• Develop permit application packages for ACOE, CDFW, USFWS, and local agencies;
• Coordinate with field teams and project managers to implement permit conditions;
• Travel to job sites inremote locations; and,
• Work in construction environments where schedule, timeliness, and attention to detail are top priorities.
• Performs other duties as requested

Desired Key Species Experience

• Coastal California gnatcatcher
• Least Bell’s vireo
• Southwestern willow flycatcher
• Burrowing owl
• Quino checkerspot butterfly
• Stephens’ kangaroo rat
• Arroyo toad
• California red-legged frog
• Sensitive coastal sage scrub and riparian plant communities
• Special‑status flora of Southern California

Qualifications

• Bachelor’s degree in biology, wildlife biology, ecology, botany, environmental science, or related field;
• 3–6 years of biological consulting experience in Southern California;
• Experience conducting habitat assessments and special-status species surveys;
• Familiarity with CEQA, NEPA, ESA, Clean Water Act, and California Fish and Game Code requirements;
• Experience preparing permit applications and coordinating with USFWS, CDFW, USACE, Regional Water Boards, and local agencies;
• Experience with ArcGIS Pro, ArcGIS Field Maps, Survey123, and GPS‑based data collection;
• Excellent technical writing and communication skills;
• Ability to travel and perform fieldwork in varying environmental conditions.

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;
• educational reimbursement.

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

Pay Range

$76,000—$110,000 USD

_ 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. 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.

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