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Project Geologist, Engineer, or Scientist - Environmental Permitting & Compliance

Langan Engineering and Environmental Services, LLC

Irvine, CAFull-time$97–140K/yrPosted 3mo agoStill listed today

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At a glance

Compensation
$97–140K/yr
Location
Irvine, CA
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

40-Hour OSHA HAZWOPER Certification, requiredBachelor's degree, requiredValid Driver's License, required

Job overview

Langan is seeking a Project Geologist, Engineer, or Scientist for its Southern California Environmental Compliance team. The role manages environmental compliance, permitting, due diligence, site assessment, investigation, and remediation projects for a range of clients. It also involves regulatory agency coordination, technical reporting, project and team leadership, proposal development, and business development.

Skills & qualifications

RequiredNice to have

Skills

Environmental Compliance, nice to haveEnvironmental Permitting, nice to haveEnvironmental Investigations, nice to haveRemediation, nice to haveEnvironmental Due Diligence, nice to havePhase I and II ESAs, nice to haveEnvironmental Sampling, nice to haveData Evaluation, nice to haveTechnical Report Writing, nice to haveProject Management, nice to haveClient Management, nice to haveBusiness Development, nice to haveCommunication, nice to haveAttention to Detail, nice to haveAnalytical Judgment, nice to haveMultitasking, nice to haveIndependent and Teamwork, nice to have

Qualifications

Bachelor's in Geology, Environmental Engineering, Environmental Science, or Related, requiredMaster's Degree, nice to have6+ Years Environmental Consulting Experience, requiredPG, PE, QISP, CHMM, or Similar Certification, nice to have40-Hour OSHA HAZWOPER Certification, requiredValid Driver's License, requiredReliable Transportation, required

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave
Tuition Assistance

Full 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 Project Geologist, Engineer, or Scientist to join our collaborative Environmental Compliance team in Southern California. This individual will serve a key function in managing environmental compliance and permitting projects including stormwater permitting, air permitting, storage tank registration and compliance evaluations, waste program management, multi-media environmental compliance audits, development of monitoring and spill prevention and contingency plans, and report writing. In addition, this role will support and manage environmental site assessments, site investigations, due diligence projects, and remediation programs for industrial, commercial, transportation, energy, and development clients. In this role, you will have the opportunity to leverage Langan’s robust technical expertise and leadership presence, manage diverse projects across environmental compliance and remediation disciplines, and fuel the further expansion of an innovative and industry-renowned practice.

Job Responsibilities

  • Direct and manage complex environmental projects, including performing senior-level technical analysis and review;

  • Develop environmental permitting and regulatory strategies for a variety of industrial, commercial, transportation, and construction projects;

  • Manage the preparation and submission of permits and compliance programs for multiple environmental media, including air, wastewater, stormwater, waste, spill prevention and storage tanks, and EPCRA (Tier II, TRI);

  • Prepare and submit responses to Notices of Violation and negotiate permit requirements with regulatory agencies on behalf of clients;

  • Conduct multi-media environmental compliance audits, gap assessments, inspections, and program reviews;

  • Manage and perform environmental due diligence and site assessment projects, including Phase I Environmental Site Assessments (ESAs), regulatory file reviews, environmental compliance evaluations, and environmental risk assessments;

  • Plan, coordinate, and oversee environmental investigations involving soil, groundwater, sediment, soil vapor, and indoor air sampling and evaluation;

  • Interpret environmental analytical data and prepare technical reports, conceptual site models, investigation summaries, and remedial planning documents;

  • Support the design, implementation, and management of remediation programs, including corrective actions, site closure strategies, remediation system evaluations, and regulatory agency coordination;

  • Interface with federal, state, and local regulatory agencies regarding environmental compliance obligations, site investigations, remediation activities, and closure requirements;

  • Lead and develop a team of environmental professionals, including hiring, coaching, training, and motivating team members. Provide direct oversight and management of junior staff for specific project assignments;

  • Lead and/or assist in the preparation of proposals, including scope and fee development;

  • Manage multiple projects and tasks while maintaining schedules, budgets, quality objectives, and client expectations. Manage change orders, prepare draft invoices, support project billings, and assist in payment collections;

  • Identify and pursue new client opportunities, expand work within existing projects, and participate in business development meetings, events, and industry organizations;

  • Maintain membership and leadership roles in relevant industry organizations;

  • Coordinate with technical experts across multiple office locations and disciplines as needed;

  • Interface professionally with clients, contractors, subcontractors, staff, project personnel, and supervisors; and

  • Collaborate as part of a multidisciplinary engineering and environmental team to support projects across the United States.

Qualifications

  • Bachelor's degree in Geology, Environmental Engineering, Environmental Science, or a related discipline; Master's degree preferred;

  • 6+ years of experience in environmental consulting with a strong background in environmental compliance and working knowledge of environmental investigations and remediation;

  • Professional certification preferred (PG, PE, QISP, CHMM, or similar);

  • 40-hour OSHA HAZWOPER certification;

  • Knowledge of federal, state, and local environmental regulations governing environmental compliance, site investigation, remediation, and waste management programs;

  • Experience supporting or managing environmental due diligence, Phase I and Phase II ESAs, environmental investigations, corrective action programs, or remediation projects;

  • Familiarity with environmental sampling techniques, data evaluation, and preparation of technical reports;

  • Ability to effectively manage multiple clients and projects;

  • Willingness and ability to identify new client opportunities is strongly desired;

  • 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. 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 $96,750—$140,000 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

How this job compares

Set against the 610 open Environmental Compliance jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This posting$97–140K/yr
  • California median$70–97K/yr66 salary ranges
  • US median$85–116K/yr313 salary ranges

This range's midpoint, $118K, is 41% above the California median midpoint ($84K) — in the top quarter of Environmental Compliance salary ranges in California.

Openings
Olive Jobs lists 81 open Environmental Compliance jobs in California and 610 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 6 years of experience — more than three in four Environmental Compliance postings that state a minimum ask for (median 4 years, across 461 postings).
Education
This posting asks for a bachelor's degree; 282 of the 610 open Environmental Compliance jobs (46%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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