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Salary
$76k – $110k per year
Location
In office (Los Angeles)
Seniority
Staff · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Jul 23, 2026. Langan scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Langan is a land development engineering and environmental consulting firm headquartered in Parsippany, New Jersey, offering site and civil, geotechnical, environmental, traffic, surveying, landscape architecture and digital solutions services. Founded in 1970, it works for major developers, renewable energy producers, healthcare systems, universities and large infrastructure programs from more than 50 offices, and ranks among Engineering News-Record's top 50 firms worldwide. Its board lists civil, geotechnical, traffic and environmental engineers, project managers, survey party chiefs, cultural resources technicians and a large intern and co-op program.

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 inLos Angeles, CA. This individual will support a broad range of infrastructure, transportation, utility, energy, and development projects throughout Southern California. Responsibilities include leading biological resource surveys, special-status species investigations, permitting support, biological monitoring, restoration monitoring, and regulatory compliance activities.

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 in remote 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
  • California red-legged frog
  • Western snowy plover
  • El Segundo blue butterfly
  • Special-status bats
  • Sensitive dune, coastal, and riparian habitats

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;
  • Experience supporting large infrastructure or utility projects;
  • Experience with biological compliance monitoring during construction;
  • Experience with agency coordination and permitting support;
  • Experience preparing permit applications and coordinating with USFWS, CDFW, USACE, Regional Water Boards, and local agencies;
  • Familiarity with CEQA, NEPA, ESA, Clean Water Act, and California Fish and Game Code requirements;
  • 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; 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. 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.

Pay Range

$76,000—$110,000 USD

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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