Piping/Plumbing Senior Designer

Affiliated Engineers, Inc.; Washington (District of Columbia); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health, dental, vision, retirement

Year-end bonus

Flexible work environment

Wellness resources

Community-focused initiatives

Job summary

Affiliated Engineers, Inc. in Washington, DC is seeking a Piping/Plumbing Senior Designer to help deliver energy-efficient building solutions and advanced plumbing systems for diverse clients. You will establish design criteria, develop system designs from concept plans, and interpret information from basis of design, users, and project teams.

Proficiency with AutoCAD is required and Revit is preferred. The role emphasizes collaboration, strong communication, and the ability to manage multiple

Qualifications

• Associates Degree in related field or equivalent experience.
• 5+ years of experience designing plumbing and piping systems.
• Proficiency with AutoCAD is required; Revit experience preferred.
• Understanding of applicable design codes and specification requirements.

Responsibilities

• Establish design criteria and develop system designs from concept plans.
• Interpret basis of design and user-input data, surveys, and code research to finalize solutions.
• Collaborate with project teams to deliver energy-efficient piping/plumbing systems.

Skills

Communication skills

Time management

Team collaboration

Client-focused

Education

Associates Degree in related field or equivalent experience

Tools

AutoCAD

Revit

Job description

Join a Team Where Engineering Excellence Drives Opportunity

At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we’ve supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 1000 professionals across 23 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.

From elevating patient care in Mayo Clinic’s world‑class hospitals to enabling discovery in high‑containment laboratories for U.S. agencies and driving environmental progress with Microsoft’s renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.

AEI consistently earns national recognition from leading industry publications, including Building Design+Construction, Engineering News‑Record, and Consulting‑Specifying Engineer, with distinctions such as being named the #1 Laboratory Engineering Firm in the nation and receiving multiple Best of the Best Project awards, underscoring the lasting legacy of our work.

At AEI, you’ll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.

As a Piping/Plumbing Senior Designer in our Washington, D.C. office, you will help us empower our clients to achieve energy‑efficient building solutions, save global environments, and create a better, greener future for all.

Here’s Why We Need You

In this role, you will establish design criteria and develops system designs from concept plans and interpret information set forth in basis of design as well as information gathered from users, project partners, field surveys and code research.

Expertise Of Our Most Successful Piping/Plumbing Senior Designer

• Associates Degree in related field or equivalent experience required.


• 5+ years of experience in designing plumbing/piping systems.


• Proficiency with AutoCAD required, Revit preferred.


• Understanding of applicable design codes and specification requirements.

Effective Skills To Help You Flourish

• Strong spoken and written communications skills.


• Excellent organization and time management skills.


• Quick technical comprehension and motivation focused on client outcomes.


• Able to effectively prioritize multiple tasks.


• Effective working individually and within team environments.

When You Work Here, You Can Expect

• A flexible, collaborative environment where your well‑being matters—because your best work happens when you’re supported.


• Real opportunities to grow—through mentorship, professional development programs, and exposure to high-impact projects across disciplines.


• To collaborate with inspiring teammates who challenge the status quo, foster innovation, and pave the way for future leaders.


• A benefits package that offers health, dental, vision, and retirement, a performance‑based year-end bonus, and thoughtful perks tailored to your needs—whether that’s a flexible work environment, wellness resources, or community‑focused initiatives, we’ll continue to invest in.

If this dynamic environment and the chance to contribute to transformative projects resonate with your ambitions, we would love to connect with you. Join us and make an impact!

AEI is proud to be an EEO/AA Employer/Vet/Disabled.