Intermediate Noise and Vibration Engineer/Specialist (Building Acoustics) Location: Markham or Toronto, with Remote Option. Canada Posted: April 07 - 2026 What is the role? As an Intermediate Noise and Vibration Engineer/Specialist – Building Acoustics at LEA, you will analyze, model, and evaluate noise and vibration in buildings and infrastructure projects. You will review architectural and mechanical designs for acoustic performance, perform field measurements, prepare technical reports, and recommend practical mitigation solutions. You will collaborate with multidisciplinary teams, manage multiple projects, and ensure compliance with industry standards, Ontario regulations, and Tarion acoustic requirements, while contributing to high-quality, client-focused engineering solutions. Why join LEA? LEA is an employee‑owned engineering consulting firm with a 72‑year history. We provide multidisciplinary engineering services across Transportation, Civil, Structures, Construction Administration, Electrical and Infrastructure Systems, and Environmental Management. We have a strong track record of delivering high‑quality, recognized projects in the Transportation & Systems Division, encompassing Noise & Vibration, Transportation Planning, Traffic Engineering, Transportation Design, Transportation Safety, Intelligent Transportation Systems, Infrastructure Security Systems, and Traffic Signal and Street Lighting. At LEA, we are committed to producing high‑quality, client‑focused engineering solutions while supporting the professional growth and self‑realization of our people. As an employee‑owned company, every team member contributes directly to LEA’s continued success and growth. We’re confident that by joining LEA, you can discover and realize your full career potential because LEA: Has been recognized as a Greater Toronto Top Employer and Canada’s Top Employer for Young People for 2025 & 2026. Recruits high‑performing, motivated individuals who strive to achieve the highest level of technical excellence and quality. Is an employee‑owned company, and almost half of our employees are shareholders. Offers a competitive total rewards package of salary, substantial bonuses, benefits and other perks. Is continuously involved in many exciting and challenging projects throughout Ontario and around the world. Allows for a collaborative hybrid work environment with flexible hours to maintain a healthy work‑life balance. Cultivates team companionship and collaboration, offering a variety of social events aimed at fostering relationships across the company. Is an organization committed to achieving our Environmental, Social & Governance objectives through our various committees. Prioritizes mentorship, training, and rotational assignments for knowledge advancement and career growth. Has an entrepreneurial spirit as an employee‑owned company, with continuous growth and expansion, taking part in meaningful projects. Duties and Responsibilities Review architectural, mechanical, and electrical drawings/shop drawings for acoustic integrity (e.g., partition terminations, penetrations sealing, vibration isolation details); provide detailed recommendations and working drawings as needed. Prepare technical analyses using commercial software packages (e.g., Cadna/A, TNM, SoundPlan, STAMSON, INSUL) and proprietary in‑house tools for environmental noise/vibration predictions, impact assessments, mitigation design, and building acoustics evaluations (e.g., partition STC/ASTC/IIC modelling, HVAC/equipment noise propagation, vibration isolation). Complete high‑quality technical reports with minimal supervision, including baseline assessments, compliance evaluations, mitigation recommendations, Acoustic Design Reviews, Noise Impact Studies (NIS), acoustic specification documents, Vibration Impact Studies, Construction Noise and Vibration Management Plans, and any reporting required to support environmental approvals/permitting, building code compliance, and Tarion warranty processes. Communicate technical findings, potential impacts, and recommended mitigation measures (e.g., partition upgrades, silencer specifications, vibration isolators) clearly to internal teams, clients, regulatory agencies, builders, and stakeholders. Collaborate closely with project managers, architects, mechanical/electrical engineers, and multidisciplinary teams throughout all phases of project delivery. Manage multiple active projects simultaneously, balancing priorities to meet schedules, budgets, and deliverables. Prepare high‑quality proposals for private clients as well as responses to larger‑scale Requests for Proposal (RFP) and Expressions of Interest (EOI). Stay current with industry standards, software advancements, regulatory changes (including Tarion updates), and best practices to ensure compliance and innovative solutions in building acoustics. Conduct noise and vibration field measurements at industrial, residential, institutional, transportation, and construction sites. Participate in professional development opportunities, including training, workshops, seminars, and involvement in professional associations. Support additional assignments within the Transportation & Systems Division. Qualifications Bachelor’s degree (or higher) in Engineering (Acoustical, Mechanical, Civil, Environmental, or related field), Physics, Environmental Science or equivalent. Eligibility for Professional Engineer (P.Eng.) designation in Ontario (or current registration/eligibility with PEO) upon completion of required experience. Minimum of 3–6 years of relevant consulting experience in environmental noise/vibration and building acoustics assessments. Strong demonstrated expertise in building/architectural acoustics, including: Development and selection of acoustic specifications for sound transmission between spaces. Understanding of key criteria from internationally recognised design criteria and guidelines (ANSI, ASTM, ASHRAE, ISO, etc.) and metrics such as STC, ASTC, NIC, NC, PNC, RC, IIC, STI, RT60. Acoustic Design Reviews for partitions, floors, and ceilings, ensuring compliance with OBC, Tarion Builder Bulletin requirements, and Tarion warranty acoustic performance standards. Fundamentals of indoor HVAC and mechanical/electrical noise prediction and attenuation. Room acoustics modelling and treatment. Strong client‑facing skills, with the ability to collaborate effectively across multidisciplinary teams to develop practical, project‑specific acoustic solutions. Solid understanding of environmental noise and vibration principles, including: Predictive roadway and railway noise and vibration models (FTA, STEAM, TNM, ORNAMENT). Fundamental sound and vibration propagation algorithms. Proficiency with industry‑standard modelling software such as Cadna/A, STAMSON, TNM, INSUL, SoundPLAN, EASE or equivalent. Comprehensive knowledge of Ontario environmental legislation and guidelines, including the Environmental Protection Act, MECP Noise Pollution Protocol (NPC) Publications, municipal noise bylaws, and the MTO Environmental Guide for Noise. Familiarity with SLMs, dosimeters, noise and vibration monitors, and data acquisition systems; hands‑on experience conducting measurements. Strong writing and presentation skills, with proven ability to prepare clear, concise technical reports and communicate complex findings to non‑technical audiences. Assets (Nice to Have) Programming or scripting skills (e.g., Python, MATLAB) for data processing, automation, or custom acoustic analysis. Experience with advanced signal processing techniques and tools. Familiarity with additional modelling tools for rail transit, international standards, or advanced room acoustics simulation. Hands‑on experience with Tarion‑compliant acoustic field testing, certification processes, or warranty investigations in residential/institutional developments. Previous involvement in large‑scale environmental impact assessments or transit projects. Membership in professional organizations (e.g., CAA, INCE, ASA). Total Rewards at LEA Annual Salary Range: $68,000 – $82,000 Discretionary Profit Sharing: opportunities to receive a bonus payment from the profit‑sharing program. Shareholding: opportunity to become a shareholder in the firm. Group Health Benefits: comprehensive coverage including prescription drugs, dental, vision, STD, LTD, life insurance, critical illness, wellness account, travel coverage, and virtual health services. Retirement & Savings Plans: RRSP with employer matching and TFSA options. Personal Days: 7 days of flexible paid time off. Hybrid & Flexible Work Model: LEA operates in a hybrid environment with flex hours. Social Club: unique, employee‑co‑funded social club with annual budget for events and activities. Type of Position Full‑Time Permanent Work Arrangement LEA operates in a hybrid environment. Valid driver's license and willingness to travel for field work within Ontario (and occasionally beyond). LEA's Commitment to Inclusive Hiring and Equal Opportunity LEA Consulting Ltd. is an equal employment opportunity employer, with Diversity, Equity, and Inclusion embedded in all strategic planning and operational activities. We encourage applications from under‑represented groups and evaluate qualified candidates based on their skills and experiences, without regard to protected characteristics. Accessibility LEA is committed to providing an inclusive and accessible experience for all candidates. Please contact for accommodations during any stage of the recruitment or interview process. AI Disclosure We do not use Artificial Intelligence (AI) tools to screen or assess applicants. Vacancy Status This position is an existing vacancy. #J-18808-Ljbffr