Senior Mechanical Engineer

Buffalo, NY
60 Lakefront Blvd
Suite 320
Buffalo, NY 14202, USA

Status: Full-Time, Exempt
Department: Mechanical Engineering

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people‑first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high‑impact career—and they’ll receive great total rewards along the way.

About Us

Founded in 1975, Salas O’Brien is an employee‑owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high‑rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary

The Senior Mechanical Engineer is a fully competent engineering professional responsible for leading mechanical and HVAC system design efforts, making independent engineering decisions, and supporting the firm’s mission through technical excellence and mentorship.

This role oversees complex mechanical projects from early programming through construction administration, while guiding and developing junior engineers and designers.

• Plan and conduct work requiring independent evaluation, selection, and modification of engineering techniques and procedures
• Apply advanced engineering practices across all phases of mechanical system design, including programming, schematic design, design development, construction documents, bidding, and construction administration
• Lead the design and coordination of HVAC and mechanical systems for a variety of building types
• Evaluate substitute equipment and materials, perform system analyses, and develop technical studies and reports
• Represent the firm in meetings and coordinate with clients, architects, contractors, and other disciplines
• Communicate directly with clients on technical matters and project coordination, except in controversial situations
• Supervise, coordinate, and review work prepared by engineers, designers, and CAD staff
• Assign tasks, manage schedules, and support delivery of projects within scope, schedule, and budget
• Support peer review and quality assurance practices across assigned projects
• Mentor and train junior engineers and designers, reinforcing strong engineering fundamentals and professional growth

• Bachelor of Science in Mechanical Engineering or related field, or equivalent
• Professional Engineer (P.E.) license preferred, or Engineer‑in‑Training (E.I.T.) actively working toward licensure
• Approximately eight years of experience in responsible charge of mechanical project design
• Advanced coursework, training, or seminars in engineering or management preferred
• Strong understanding of HVAC and mechanical systems, engineering calculations, and interdisciplinary coordination

Travel to project sites may be required on an occasional basis. Personal transportation is required; rental vehicles may be necessary for non‑local travel. 25%

The expected base salary range for this role is $87,360 – $120,000 USD per year
. Actual compensation will be determined based on a number of factors including skills, experience,…