Senior Plumbing Engineer
EXP U.s. Services
Washington, DC · Posted August 25, 2026
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Where Washington, DC ranks
Where Washington, DC placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Cities hosting the most business conferences in the Mid-Atlantic104 conferences · of 12
- #1Cities hosting the most government & public sector conferences18 conferences · of 29
- #1Cities hosting the most accounting & audit conferences8 conferences · of 14
- #1Cities hosting the most finance conferences9 conferences · of 24
- #1Cities hosting the most legal conferences10 conferences · of 10
- #2Best cities for sales pay after cost of living$169k · of 45
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among health and safety engineers, except mining safety engineers and inspectors is little observed so far. Measured exposure for health and safety engineers, except mining safety engineers and inspectors: 0% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
At EXP, we’re driven to provide innovative solutions for the world’s built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of professionals, we bring diverse and talented people together to solve the world’s most complex challenges. Here, you join a team that leverages differences, harnesses their entrepreneurial spirit in an employee-owned company, that believes diversity is what gives us strength, seeks sustainable results and shares ambitions for each other, our clients and the communities we are part of and serve. To be a part of EXP means to have your own experience, while staying connected to a global network of professionals, who believe we are a part of something bigger. Together, we are EXP.
Are you ready to design your future?
Be our next Senior Plumbing Engineer
Your work environment at EXP
In this role, you will be a part of the Plumbing team, based in Washington DC, Fairfax or Towson MD.
What a day at EXP has in store for you
Lead and mentor junior engineers, engineers and designers level staff on all of their responsibilities.
Review code related items with engineers to ensure compliance.
Perform at a responsible charge level of meeting exp design and quality levels.
Ability to QC all work of plumbing engineering staff.
Apply risk management procedures daily to minimize exp & client's exposure to problems.
Creates the narratives (basis of design) for the SD work.
Perform front-end loading of plumbing systems.
Develop and monitor plumbing work plans in conjunction with PM.
Write new specification sections; develop new details, as required for project needs.
Manages work plans and deliverables on multiple projects within budgeted hours.
Writes studies and reports for plumbing systems when needed on projects.
Understand and apply engineering principles and fundamentals.
Perform life cycle cost analyses, and energy/cost calculations for plumbing systems.
Ability to develop alternative 'Engineered' plumbing systems that meet code.
What your experience looks like
Proficient with plumbing engineering and design, with a minimum of 10 years of experience in a similar role;
Experience in the Transit, Aviation or Commercial Building projects
Must have strong communication skills, be able to direct other individuals in the design of plumbing systems;
PE required
Proficient in both AutoCAD and Revit;
BS Architectural Engineering, BS Mechanical Engineering, or equivalent degree; preferred but not necessary
The salary range for this role is $140,000 to $180,000. Actual compensation will be determined based on a variety of factors, including but not limited to the candidate's skill set, experience, certifications, and geographic location. Compensation may vary by location due to differences in the cost of labor.
In addition to competitive pay, we offer a comprehensive benefits package for all full-time employees, including health insurance, vacation time, and 401(k) retirement benefits.
Our story
With a mission to understand, innovate, partner and deliver, EXP provides engineering, architecture, design and consulting services to the world’s built and natural environments.
Our heritage dates back to 1906, when the earliest of EXP’s predecessor companies started its engineering infrastructure practice. Today, thousands of creative professionals across EXP work together to deliver extraordinary experiences year after year.
What makes us different
The passion, enthusiasm, diversity and industry-leading capabilities of our employees make us who we are. We’re committed to providing a challenging work environment that cultivates career growth, encourages creativity and rewards excellence.
Find out more about life at EXP by visiting www.exp.com .