Hazen and Sawyer is seeking a Senior Wastewater Engineer for our Boston, MA office. As part of our Wastewater team qualified candidates will be involved with a wide range of wastewater infrastructure projects, focusing on treatment process design and construction. Hazen and Sawyer is a stable, growing, employee-owned company where engineers and scientists are valued. We are committed to making the world a better place by providing technically superior solutions to our clients for all things water. Why Hazen and Sawyer: • Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water." • Our work includes planning, design, and oversight of construction of environmental infrastructure – for water, wastewater, and stormwater management. • We foster a work environment low on bureaucracy and high in creativity. • We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish them with the tools they need to succeed. • We currently have over 2,000 employees in 70+ offices throughout the United States, Latin America, Canada, and the UK. • A flexible hybrid work schedule supports today's busy professionals. Key Responsibilities: • Position will include high level of client development and management, supported by our local offices and New York City Corporate Headquarters. Required Qualifications: • minimum of 10 years of experience (a minimum of 20 preferred) • Minimum professional qualifications are a BS degree in environmental, civil, or mechanical engineering • PE license • Excellent communication and interpersonal skills are essential. • Experience with project management or the desire to grow into a project management role What We Offer: • Comprehensive health benefits (medical, dental, vision, and prescription plans) • Pre-tax flexible spending plans for medical, dependent care, and transportation • Short and long-term disability, and employer paid life insurance • Paid holidays, floating holidays, and paid time off (PTO) • Employer-contributed 401(k) plan and additional financial planning support • Professional growth opportunities, including tuition reimbursement, in-house training, and incentives for professional registration and professional organization memberships • Starting pay range for this position depends on skills, experience, education and geographical location