This is a part-time on-call role designed for a highly experienced technical specialist who can ... Prepare and/or review technical studies and CEQA documentation (e.g., EIRs, IS/MNDs, technical ...
This is a part-time on-call role designed for a highly experienced technical specialist who can ... Prepare and/or review technical studies and CEQA documentation (e.g., EIRs, IS/MNDs, technical ...
Mid-Career Archeologist
Bakersfield, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Bakersfield, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Monrovia, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Monrovia, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Los Angeles, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Los Angeles, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Irvine, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Irvine, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Santa Ana, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Santa Ana, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Paramount, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Paramount, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Pasadena, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Pasadena, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Santa Maria, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Santa Maria, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Santa Barbara, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Santa Barbara, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Ventura, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Mid-Career Archeologist
Ventura, CA · On-site
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Support with reporting (CEQA/Section 106), tracking, execution, and review of projects * Assist in ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...
Senior Civil Engineer Part Time
Pomona, CA · On-site
$40 - $50/hr
Senior Civil Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 and ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Senior Civil Engineer Part Time
Pomona, CA · On-site
$40 - $50/hr
Senior Civil Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 and ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Senior Civil Engineer Part Time
Pomona, CA · On-site
$40 - $50/hr
Senior Civil Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 and ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Senior Civil Engineer Part Time
Pomona, CA · On-site
$40 - $50/hr
Senior Civil Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 and ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Job Type: Part-Time/Temporary ( This position is considered temporary and as such there are no ... Basic understanding of FESA, CESA, CEQA, and NEPA. * Experience and training with ArcGIS and GPS ...
Job Type: Part-Time/Temporary ( This position is considered temporary and as such there are no ... Basic understanding of FESA, CESA, CEQA, and NEPA. * Experience and training with ArcGIS and GPS ...
Job Type: Part-Time/Temporary ( This position is considered temporary and as such there are no ... Basic understanding of FESA, CESA, CEQA, and NEPA. * Experience and training with ArcGIS and GPS ...
Job Type: Part-Time/Temporary ( This position is considered temporary and as such there are no ... Basic understanding of FESA, CESA, CEQA, and NEPA. * Experience and training with ArcGIS and GPS ...
Civil Plan Check Engineer
Pomona, CA · On-site
$40 - $50/hr
Civil Plan Check Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Civil Plan Check Engineer
Pomona, CA · On-site
$40 - $50/hr
Civil Plan Check Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
On-call Senior Archaeologist
San Ramon, CA · On-site
$36.06 - $45.68/hr
... CEQA); * SPECIFIC PERMITTING REQUIREMENTS for state and federal lands (ARPA and Fieldwork ... Paid time off contingent upon full time or part time status and level of seniority (ranging from 15 ...
On-call Senior Archaeologist
San Ramon, CA · On-site
$36.06 - $45.68/hr
... CEQA); * SPECIFIC PERMITTING REQUIREMENTS for state and federal lands (ARPA and Fieldwork ... Paid time off contingent upon full time or part time status and level of seniority (ranging from 15 ...
Civil Plan Check Engineer
Pomona, CA · On-site
$40 - $50/hr
Civil Plan Check Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Civil Plan Check Engineer
Pomona, CA · On-site
$40 - $50/hr
Civil Plan Check Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 ... Familiarity with CEQA is preferred * Strong organizational, analytical, and communication skills ...
Assistant Scientist/Planner
San Luis Obispo, CA · Remote
$30 - $40/hr
BKF is hiring an as-needed part-time Assistant Scientist/Planner to provide permitting, technical ... review of CEQA/NEPA documents. * Experience and technical knowledge managing environmental ...
Quick apply
Assistant Scientist/Planner
San Luis Obispo, CA · Remote
$30 - $40/hr
BKF is hiring an as-needed part-time Assistant Scientist/Planner to provide permitting, technical ... review of CEQA/NEPA documents. * Experience and technical knowledge managing environmental ...
Part Time Ceqa information
What is a Part Time CEQA professional?
What are the key skills and qualifications needed to thrive as a Part-Time CEQA (California Environmental Quality Act) Specialist, and why are they important?
What are some common challenges faced by part-time CEQA professionals, and how can they effectively manage their workload?
What is the difference between Part Time Ceqa vs Part Time Environmental Scientist?
| Aspect | Part Time Ceqa | Part Time Environmental Scientist |
|---|---|---|
| Required Credentials | Environmental degree, CEQA certification often preferred | Environmental degree, relevant certifications may be required |
| Work Environment | Consulting firms, government agencies, project sites | Research labs, consulting firms, government agencies |
| Industry Usage | Primarily in environmental compliance and impact assessments | Environmental analysis, research, and reporting |
Part Time Ceqa roles focus on environmental impact assessments and compliance, often requiring CEQA certification, while Part Time Environmental Scientists conduct broader environmental research and analysis. Both roles share similar credentials and work environments but differ in specific job functions within the environmental field.

Full-time, Part-time
Medical, Dental, Vision, Life, Retirement, PTO
Posted 23 days ago
Langan rating
9.1
Based on 5 frontline employees who took The Breakroom Quiz
20th of 356 rated engineering
Job description
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 an experienced Senior Project Manager - Noise to support CEQA-focused environmental planning efforts across California. This is a part-time on-call role designed for a highly experienced technical specialist who can provide targeted support on an as-needed basis for land development, transportation, and infrastructure projects.
In this capacity, you will act as a senior technical advisor and contributor, partnering closely with CEQA subject matter experts, environmental planners, and project managers to deliver technically sound, defensible environmental analyses and documentation.
Job Responsibilities
- Serve as a senior technical resource for noise, vibration, air quality, and greenhouse gas (GHG) analyses across CEQA-driven projects;
- Prepare and/or review technical studies and CEQA documentation (e.g., EIRs, IS/MNDs, technical appendices) related to noise and air quality;
- Develop and validate noise modeling and impact assessments for construction, operational, and transportation-related sources, including recommended mitigation measures;
- Support project scoping and strategy, including identification of appropriate methodologies, thresholds, and regulatory considerations;
- Provide peer review, QA/QC, and advisory input on technical analyses, modeling approaches, and impact conclusions;
- Conduct or oversee air quality and GHG emissions modeling and documentation in support of CEQA compliance;
- Collaborate with internal teams to integrate technical findings into comprehensive environmental documents and compliance strategies;
- Support responses to agency comments, public review feedback, and legal defensibility considerations;
- Engage in client coordination and multidisciplinary collaboration as needed to support project delivery; and
- Contribute expertise toward refining internal training, best practices, methodologies, and technical guidance for noise and air quality analyses.
Qualifications
- 12+ years of experience preparing and reviewing noise/vibration, air quality, and GHG analyses for CEQA projects (NEPA experience a plus);
- Demonstrated ability to independently produce or review defensible CEQA technical documentation;
- Strong working knowledge of California regulatory requirements, agency guidance, and accepted methodologies for noise, air quality, and GHG;
- Experience conducting ambient noise field measurements using ANSI Type I sound level meters;
- Familiarity with 23 CFR Part 772 and the Caltrans Traffic Noise Analysis Protocol;
- Proficiency with industry-standard tools such as FHWA TNM, RCNM, CadnaA, SoundPLAN, or similar;
- Proficiency with CalEEMod, EMFAC, and AERMOD for air emissions modeling;
- Experience supporting or preparing Health Risk Assessments (HRAs);
- Experience coordinating with regulatory agencies such as BAAQMD, SCAQMD, EPA, CARB, and local jurisdictions; and
- Excellent technical writing and communication skills with the ability to provide clear, concise, and defensible analyses.
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: $54-82 / 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.
About Langan
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