Senior Process Mechanical Design Engineer
Read straight from Arcadis's careers page, verified 3d ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
Salary$122k – $194k
LocationLos Angeles, CA, United States
Work modehybrid
Typefull-time
SenioritySenior
Experience8+ yrs
DepartmentResilience
Company size10,000+ people
First seenOct 18, 2026 · 2w ago
Verified live3d ago
At a glanceSummarised by Seekless from the posting.
B.S. in Civil or Mechanical Engineering (or related field)
8 years of relevant experience in process mechanical engineering for water and wastewater facilities
Licensed Professional Engineer (P.E.) in the state of California
Proficient in mechanical design standards
Experience in design bid-build or alternative delivery projects
Strong working knowledge of CAD and BIM
Proficient with Microsoft Office (Word, Excel, PowerPoint)
Interpersonal, verbal, and written communication skills
Strong work ethic and ability to multi-task, prioritize, and take direction
Mechanical or Civil P.E. preferred
12+ years of relevant experience in process mechanical engineering for water and wastewater facilities
Skills
CAD
BIM
Microsoft Office
Word
Excel
PowerPoint
Benefits
Medical insurance
Dental insurance
Vision insurance
EAP
401(k)
Short term disability
Long term disability
Life insurance
Paid parental leave
Reward and recognition program
Wellbeing benefits
Adoption assistance
Tuition reimbursement
Paid holidays
PTO
About the company
Arcadis is the world’s leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.
We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.
Role description:
Our growing team in California is seeking an experienced Senior Process Mechanical Design Engineer to join our California Water Business. As part of this role, you will collaborate within a strong and supportive team environment to deliver innovative solutions for our clients.
Arcadis serves a variety of municipal and private sector clients in many market sectors. We combine technical expertise, a passion to serve, and a willingness to be adaptable in every project to serve our clients. You will bring your expertise to a variety of project types ranging from large municipal water/wastewater treatment facility upgrades projects to local system upgrades and feasibility studies. This role sits within our global Resilience global business area.
Role accountabilities:
As a Senior Process Mechanical Design Engineer specializing in water and wastewater projects, you will play a pivotal role in leading innovative mechanical design and process integration for cutting-edge treatment facilities, reservoirs, and pumping or lift stations. You will drive the development of comprehensive construction documents and detailed specifications for critical systems, including pumps, valves, gates, and other mechanical components. Your expertise will be central to establishing the basis of design, completing in-depth calculations, and delivering robust solutions tailored to each project’s unique challenges.
You’ll perform thorough assessments, meticulously size and select equipment, develop and evaluate design options with accurate cost estimates, and prepare technical memoranda to clearly document your rationale and recommendations. By leading seamless coordination among various engineering disciplines, you’ll ensure every project benefits from a fully integrated design approach. You’ll develop process flow narratives, conduct hydraulic analyses, and play an active role in project management activities such as budget and schedule tracking. Beyond engineering, you’ll support business development efforts, contribute to compelling proposals, and inspire the next generation by mentoring junior engineers and ensuring rigorous quality control reviews. This is an opportunity to make a lasting impact on vital water infrastructure projects while advancing your career in a collaborative, forward-thinking environment.
Key Skills and Attributes:
Proficient in mechanical design standards and experience in design bid-build or alternative delivery projects. Strong working knowledge of CAD and BIM and be proficient with Microsoft Office (Word, Excel, PowerPoint) and interpersonal, verbal, and written communication skills, strong work ethic and ability to multi-task, prioritize, and take direction.
Qualifications & experience:
Required Qualifications
•
B.S. in Civil or Mechanical Engineering (or related field)
•
8 years of relevant experience in process mechanical engineering for water and wastewater facilities.
•
Licensed Professional Engineer (P.E.) in the state of California.
Preferred Qualifications:
•
Mechanical or Civil P.E. preferred.
•
12+ years of relevant experience in process mechanical engineering for water and wastewater facilities.
Why Arcadis?
We can only achieve our goals when everyone is empowered to be their best. We believe everyone’s contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.
You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.
Together, we can create a lasting legacy.
Join Arcadis. Create a Legacy.
Legal
Our Commitment to Equality, Diversity, Inclusion & Belonging
We want you to be able to bring your best self to work every day. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity employer. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.
Benefits
Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 20 days PTO that accrue per year. The salary range for this position is $121,651 - $194,304/year. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.
#Resilience-ANA
#Water-ANA