Senior Water/Wastewater Project Engineer

Apex-Companies,-LL; Boise (ID); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Flexible Schedule

Competitive Pay

Medical Vision Dental

Generous PTO

401K Plan with employer contribution

Job summary

Apex Companies is seeking a Senior Water/Wastewater Project Engineer to design and optimize treatment systems, lead critical documents, and guide projects with strong regulatory insight. This role emphasizes leadership, accountability, and delivering high-quality outcomes.

You will collaborate with clients and regulators, manage resources across regions, and drive construction observation from concept to completion. A sign-on bonus of $10,000 is offered.

Qualifications

• PE registration is required or ability to obtain within 6 months.
• 10+ years of hands-on water and wastewater treatment project experience.
• B.S. in Civil Engineering or related field.

Responsibilities

• Design and evaluate advanced water and wastewater treatment systems.
• Lead development and review of construction plans and master reports.
• Provide technical guidance ensuring quality across projects and teams.

Skills

Professional Engineer (PE)

Project leadership

Regulatory knowledge

Water/wastewater expertise

Education

B.S. in Civil Engineering

Professional Engineer (PE) registration

Job description

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.

When you join Forsgren Associates, a newly acquired Apex Company, you won’t just be ‘going to work’. You’ll be helping grow a longstanding business while receiving the recognition and support your commitment to professional growth deserves.

Your Responsibilities as a Senior Water/Wastewater Project Engineer:

• Design and evaluate advanced water and wastewater treatment systems, setting new standards for efficiency and sustainability.
• Lead in the creation and review of critical documents, from construction plans to comprehensive master reports.
• Offer expert technical guidance, ensuring our projects and teams adhere to the highest quality standards.
• Manage resources skillfully, ensuring projects across regions are delivered on time and to specification.
• Collaborate with clients and regulatory agencies, navigating the complexities of permits and compliance with ease.
• Take charge of construction observation and management, ensuring projects unfold smoothly from concept to completion.

What we're looking for:

• Professional Engineer (PE) registration or ability to obtain in 6 months
• 10+ years of hands-on experience in water and wastewater treatment projects, with a deep understanding of the technical and regulatory landscapes
• B.S. in Civil Engineering (or related field)

Why you'll love working for us:

• Flexible Schedule
• Competitive Pay
• Medical, Vision, Dental, and HSA
• Generous PTO
• 401K Plan including employer contribution

Apex Job Title: Engineer 4

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