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 an experienced Noise Practice Leader to drive the growth and advancement of our noise and vibration capabilities across California. This is a high-impact, seller-doer role responsible for both technical leadership and business development, supporting CEQA-focused environmental planning efforts for land development, transportation, and infrastructure projects. This individual will serve as a trusted advisor to clients, a technical authority within Langan, and a practice builder, partnering closely with CEQA leadership to expand our presence, strengthen client relationships, and deliver technically sound, legally defensible environmental solutions, with primary emphasis on noise and vibration analyses and coordination with adjacent disciplines such as air quality as needed. Job Responsibilities Lead the development and expansion of Langan's Noise Practice in California, including strategy, positioning, and service offerings; Identify and pursue new business opportunities, leveraging existing relationships and building new client connections across public and private sectors; Drive proposal efforts, scope development, and fee strategy for noise-related services; Partner with firm leadership to align noise services with broader CEQA, infrastructure, and land development growth initiatives; Serve as a client-facing subject matter expert, advising on noise, vibration, and environmental compliance strategies; Build and maintain relationships with developers, agencies, transportation authorities, and infrastructure clients; Represent Langan in industry forums, client meetings, and regulatory engagement, elevating the firm's presence in the California market; Serve as the lead technical authority for noise and vibration analyses, with coordination of air quality and GHG considerations alongside multidisciplinary teams; Lead and review noise and vibration technical studies and CEQA documentation (EIRs, IS/MNDs, appendices), ensuring high-quality, defensible deliverables; Oversee development of noise modeling and impact assessments and mitigation strategies across project types; Provide executive-level QA/QC and technical direction across the practice; Mentor and grow a high-performing technical team, providing guidance, oversight, and career development support; Establish and implement best practices, tools, and methodologies across the noise discipline, in coordination with adjacent technical areas as needed; Serve as an internal thought leader, advising project teams and leadership on complex noise/vibration and regulatory issues; Support project scoping and environmental strategy, including thresholds, methodologies, and regulatory positioning; Collaborate with CEQA project managers and technical SMEs to integrate noise analyses into broader environmental documents, with coordination of air quality and GHG analyses as applicable; Lead or support responses to agency comments, public review, and legal defensibility requirements. Qualifications 10+ years of experience leading noise and vibration analyses for CEQA projects, with familiarity working alongside air quality and GHG disciplines; Demonstrated success in a seller-doer or practice leadership role, including business development and client relationship management; Bachelor's degree in environmental studies, engineering, acoustics, urban planning, or a related field (advanced degree preferred); Deep expertise in California regulatory frameworks, agency guidance, and accepted methodologies for noise and vibration, with working knowledge of air quality and GHG requirements; Strong working knowledge of 23 CFR Part 772 and the Caltrans Traffic Noise Analysis Protocol; Advanced proficiency with

FHWA TNM, FHWA

RCNM, CadnaA, SoundPLAN, or similar tools; Familiarity with CalEEMod, EMFAC, and AERMOD, or ability to coordinate and oversee air quality modeling efforts is a plus; Experience supporting Health Risk Assessments (HRAs) and coordinating with agencies such as BAAQMD, SCAQMD, EPA, and CARB; Proven ability to lead teams, win work, and deliver high-quality technical projects; Excellent communication and executive-level client engagement skills. 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. 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