Demo

Senior Biologist or Scientist

Langan Engineering & Environmental Services
Arlington, VA Full Time
POSTED ON 4/18/2026
AVAILABLE BEFORE 6/3/2026
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 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 or Scientist to join its collaborative team in Arlington, VA. This individual will serve a key function in providing wetland delineations, rare plant surveys, wildlife surveys, restoration monitoring, collecting field data and samples; monitoring construction sites, and compiling data and preparing reports. In this role, you will have the opportunity to 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

  • 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.


Qualifications

  • Bachelor’s degree in biology, wildlife, botany, ecology, environmental science or a closely related field;
  • 3 years of biological work experience; field experience is a plus;
  • Familiarity with environmental regulations including NEPA and ESA;
  • Experience with federal and state protected species;
  • 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.

Salary.com Estimation for Senior Biologist or Scientist in Arlington, VA
$119,155 to $162,756
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