California Noise & Vibration Specialist – CEQA/NEPA

HELIX ENVIRONMENTAL PLANNING, INC.; Pasadena (CA); Hybrid; USD 82,000 - 105,000; Full time

Job summary

HELIX Environmental Planning, Inc. is seeking a Noise and Vibration Specialist to join our Environmental Planning Group in a hybrid-work role.

The position involves conducting field measurements, traffic and construction noise modeling, and preparing CEQA/NEPA noise analyses for California projects. Ideal candidates have 4+ years of experience, proficiency with TNM, and strong skills in data analysis, reporting, and client collaboration.

Qualifications

• Bachelor's degree in acoustics, physics, engineering, environmental science, or a related field.
• Minimum 4 years of professional experience preparing noise/acoustic technical studies in California.
• Experience supporting CEQA environmental review and impact assessment.
• Experience conducting ambient noise monitoring (ANSI Type II meters preferred) and data analysis.
• Proficiency with FHWA Traffic Noise Model (TNM).
• Knowledge of California and federal noise regulations and guidance.
• Strong proposal preparation, writing, analytical, and communication skills.
• Proficiency with Microsoft Word and Excel.
• Ability to travel and conduct fieldwork as needed.

Responsibilities

• Quantify construction, stationary, mobile noise, and vibration levels using computer models and spreadsheets.
• Conduct ambient noise and vibration measurements using professional monitoring equipment.
• Evaluate compliance with applicable standards, regulations, and CEQA significance thresholds.
• Research local ordinances, general plans, and federal guidance.
• Develop mitigation measures and compliance strategies.
• Manage technical studies and prepare CEQA/NEPA noise analyses.
• Provide noise compliance services, including monitoring and Title 24 analyses.
• Collaborate with clients, agencies, and internal project teams.
• Support proposal development, contract amendments, and business development efforts.
• Mentor junior staff and contribute to technical excellence across the team.

Skills

Field measurements

TNM proficiency

Noise modeling

Data analysis

Proposal writing

Communication skills

MS Word & Excel

Education

Bachelor's degree in acoustics/related field

Advanced degree or certification (preferred)

Tools

SoundPLAN

CadnaA

FHWA TNM (as a tool)

Job description

HELIX Environmental Planning, Inc. is seeking a Noise and Vibration Specialist to join our Environmental Planning Group in a hybrid-work role.

The position involves conducting field measurements, traffic and construction noise modeling, and preparing CEQA/NEPA noise analyses for California projects. Ideal candidates have 4+ years of experience, proficiency with TNM, and strong skills in data analysis, reporting, and client collaboration.