Sr Project Engineer - Traffic

Are you driven to grow, lead, and make a meaningful impact? At Apex, we’re building more than a consulting and engineering firm—we’re creating a place where your career accelerates, your contributions matter, and your potential is fully realized. We believe your growth is our growth, which is why we invest in your development at every stage of your career. Here, you’ll work on projects that shape communities, protect the environment, and create lasting impact, all while being empowered with the autonomy and flexibility to do your best work.

Fueled by high-quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest‑growing firms in the AEC industry, recently recognized by the Zweig Group for our industry‑leading growth. Our success is grounded in strong leadership, a collaborative culture, and a shared commitment to delivering exceptional outcomes.

As we continue to expand, we’re looking for high‑performing professionals who are ready to lead, collaborate, innovate, and create impact. At Apex, you help shape what’s next. When we succeed together, we share in that success. All Apex positions are eligible for annual bonus opportunities, reinforcing our commitment to recognizing and rewarding meaningful contributions that drive our collective growth.

This role is eligible for a $10,000 sign-on bonus, subject to the terms and conditions of the Company’s sign-on bonus program.

Our Northeast Division is a well‑respected and award‑winning group where career development, training, and mentoring co‑exist with diverse civil, water/wastewater, environmental, and transportation projects in a fast‑paced and challenging work environment. We have been consistently recognized by Zweig Group as “one of the fastest growing firms in the AEC industry.”

We are hiring an experienced Senior Project Engineer for the Traffic section of our New England Transportation Division. This is a hybrid position that can be based out of our Quincy or Woburn, MA office or Providence, RI office.

• Responsible for the technical supervision of complex projects and ensuring the work performed is high quality and conforms to the contractual scope of work, budget and schedule
• Oversee or prepare traffic studies including traffic analyses and models for a variety of projects.
• Develop traffic solutions for a variety of projects by applying engineering knowledge and skills to produce quality work.
• Oversee or prepare traffic signal design plans and special provisions.
• Oversee or prepare traffic sign, pavement markings, and traffic management plans.
• Maintain positive relationships with clients
• Participate in developing the technical approach for proposals
• Assist Project Managers in the following: the planning, coordination, and execution of both large and small projects; assisting in the development and execution of the project scope of work; complying with assigned project schedules and budget on projects by actively reporting on project progress and identifying additional work outside the contractual scope; developing technical approaches, schedules, and fee estimates for proposals on large‑scale or more complex projects to produce an effective and quality proposal.
• Prepare articulate technical memoranda, reports, proposals, contracts, and subcontract scopes of work.
• Perform traffic peer reviews of private development projects, preparing written findings and presenting them to municipal boards.
• Supervise and train less experienced staff by providing daily guidance and checking their work and progress; manage a direct report and workload management, approve timesheets and expense reports, and guide career path development.
• Maintain quality control within…