Senior Design Engineer - Water/Wastewater Treatment
MacKay Sposito
$130,000 - $155,000 / year
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Description
At MacKay, we believe great people are the foundation of our growth and success.
We are in an exciting phase of expansion, creating new opportunities for our employees to take on meaningful work, collaborate across disciplines, and build long-term careers. Whether your role is technical or part of our support services team, you play an important role in delivering high-quality work and helping our projects succeed.
We are seeking a dedicated and relationship-driven Senior Design Engineer to join our team. If the opportunity to make a powerful impact in the water/wastewater treatment process resonates with your goals, let's talk. We are open to reviewing candidates based remotely and are able to support our clients. Proximity to a MacKay Branch office location is preferred.
We offer a comfortable, collaborative work environment with flexible work arrangements.
This engineer will be required to travel for about 20% of their time.
Key Responsibilities:
- As a senior technical advisor for water treatment process, provide expert guidance on all aspects
- Perform and review analyses, prepare drawings, and write and review specifications
- Responsible for preparing work product
- Prepare and review scope and budgets for proposals
- Oversee construction projects as Client representative
- Build and maintain strong client relationships
- Lead, mentor, and grow the water treatment team
Minimum Qualifications:
- B.S. in Chemical, Mechanical or Civil Engineering with an emphasis to the design of water/wastewater treatment systems
- Colorado P.E. license is required; P.E. in other southwestern states is a plus
- 10+ years of experience in process design, construction and operations
- Cost estimation, scheduling, subcontractor management
- Independent project management
- Manage and mentor junior staff
Preferred Qualifications:
- M.S. in Chemical, Mechanical or Civil Engineering
- 40-hour HAZWOPER certification
- 40-hour MSHA certification
- Experience with treatment plant operations
Technical Skills and abilities:
- Engineering design, including process, mechanical, piping, and pumping systems
- Operational and oversight experience
- Construction management/oversight
- Cost estimating
- Preparation of procurement and construction specifications
- Scheduling and subcontractor management
Interpersonal skills:
- Nimble learner and adapts well to change
- Emotional intelligence
- Maintains confidentiality
- Active listening skills
Why Join MacKay?
A people-first culture
At MacKay, we put people first. We are committed to creating an environment where employees can grow, contribute, and do their best work. We support well-being, encourage balance, and create space for people to succeed both professionally and personally.
Meaningful work and real impact
Our teams take on complex infrastructure and environmental challenges that support critical systems and shape the places where people live and work. Every role contributes to delivering that work and making it successful.
Growth and opportunity
We are in an exciting phase of growth, expanding across geographies, services, and markets. That growth creates opportunities for our employees to take on new challenges, build their careers, and contribute in new ways as the company evolves.
A strong and trusted foundation
Built on more than 50 years of experience, MacKay has developed a reputation for quality work, strong relationships, and dependable results. You’ll be part of a team with a solid foundation and a clear direction for the future.
Opportunities to share in success
We provide opportunities for employees to participate in ownership and build long-term financial value as the company grows.
Our Values
At MacKay, our values guide how we work, collaborate, and support one another.
- Honesty. We build trust through transparency, integrity, and accountability.
- Dedication. We are committed to the success of our team members, clients, and communities.
- Relationships. We foster lasting connections that strengthen our work and the teams around us.
Who We Are
MacKay is an infrastructure and environmental services firm built on more than 50 years of experience and a growing collective of expertise.
We are in an exciting phase of growth, expanding our reach, strengthening our capabilities, and bringing together talented teams across the country. That growth is creating new opportunities for our employees to take on meaningful work, collaborate across disciplines, and build long-term careers.
Every role at MacKay contributes to the success of our projects and the clients we serve. Whether your work is technical or operational, you are part of a team that delivers quality, builds relationships, and moves projects forward.
We’re looking for dedicated, talented individuals who deliver excellence, thrive in collaborative environments, and value both meaningful work and work-life balance. If this sounds like you, we’d like to hear from you.
Please note that the salary information shown below is a general guideline only. Salaries are based upon candidate experience and qualifications, as well as various market and business considerations.
Full-time employees receive a well-rounded benefit package including access to our company-sponsored Medical (including an HSA High Deductible option), Dental, Vision, FSA, and Supplemental Life Insurance plans. We also offer 100% company-paid Life Insurance, Short-Term Disability, and Long-Term Disability coverage. Employees are eligible to participate in our company's 401(k) plan with up to a 4% match. Additionally, employees receive paid vacation and sick time, 11 paid holidays, and are able to participate in employee ownership options. MacKay pays for expenses associated with licensure as well as annual performance bonuses.
Employment requires passing a pre-employment background check and drug screen.
As a federal contractor, we participate in E-Verify and are proud to be an Equal Employment Opportunity Employer.
Open until filled.
Benefits
- health insurance
- 401(k)
- life insurance
About this role
MacKay Sposito is seeking a Senior Design Engineer to lead water and wastewater treatment projects from their Albuquerque office. You would serve as the primary technical authority on process design, overseeing the full project lifecycle from initial analysis and specification writing through construction oversight and client representation. The role combines hands-on engineering work—designing process, mechanical, piping, and pumping systems—with business responsibilities like proposal scoping, budget preparation, cost estimation, and subcontractor management. You'll also mentor junior engineers and maintain key client relationships.
The position requires a B.S. in Chemical, Mechanical, or Civil Engineering with a focus on water/wastewater treatment systems, a Colorado P.E. license (or P.E. from other southwestern states), and at least 10 years of direct experience in process design, construction, and operations. An M.S. degree and certifications like HAZWOPER or MSHA are preferred. This is a full-time, in-office role with approximately 20% travel. The salary range is $130,000–$155,000, and MacKay offers standard benefits including medical, dental, vision, 401(k) matching, paid time off, and participation in employee ownership options.
This role suits an engineer who combines deep technical expertise with leadership capability and client-facing skills. You should be comfortable managing complexity across design, construction, and operations while developing and supporting a growing team. MacKay emphasizes a collaborative, people-first culture and is actively expanding, which could offer room for career growth within the organization.
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Pay for this role
$130,000 to $155,000 per year
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