Senior Project Engineer

Our client, an industry leader in engineering and construction, is seeking a Senior Project Engineer to join their team in Irwindale, California.

As part of the Engineering Department, you will support project development and execution teams, bringing strong communication skills, problem‑solving abilities, and a proactive mindset to the role.

Senior Project Engineer

Irwindale, California

• Conduct fundamental and applied research to improve or generate new products, components, equipment, systems, tests, requirements, and processes.
• Drive projects by maintaining focus across disciplines and functions on key design aspects, customer needs, system requirements, testing, product growth, and technological trends.
• Apply deep knowledge across multiple engineering disciplines to lead product innovation and development.
• Assemble and test prototypes, integrating mechanical and electrical components.
• Interpret and create detailed mechanical and electrical drawings and schematics.
• Sustain and support designs across the entire product life cycle.
• Communicate and collaborate clearly both verbally and in writing.

• Proficiency in CAD tools (Siemens NX preferred or Solid Works) and Microsoft Office Suite.
• Familiarity with 3D printing technologies and rapid prototyping.
• Hands‑on experience assembling and troubleshooting electromechanical prototypes, preferably sensors.
• Hands‑on experience in assembly, machining, soldering, and related fabrication techniques for electromechanical component development and testing.
• Experience in testing electromechanical sensors and systems in automation and control system programming (e.g., PLCs).
• Experience with sensor design and integration is a strong plus.
• Experience in designing water quality monitoring equipment or components is preferred.
• Multi‑disciplinary engineering expertise with a strong foundation in mechanical, electrical, and flow mechanics.
• Ability and willingness to work in a fast‑paced, agile product development environment—wear multiple hats, be resourceful, and take initiative to get the job done with minimal supervision.

• Bachelor’s or Master’s degree in Mechanical Engineering, Electrical Engineering, Mechatronics, or related field.
• 5+ years of relevant industrial experience in product development, preferably in sensor and automation industries.
• Experience with prototype development and CAD‑based design required.

• Opportunity to work on impactful projects in a dynamic environment.
• Competitive salary package.
• Professional growth and development opportunities.
• Supportive team culture that values diversity and inclusion.
• Work in a collaborative environment that encourages innovation.

• Medical and Prescription Drug Plans
• Dental Plan
• Vision Plan
• Health Savings Account
• Health Flexible Spending Account
• Dependent Care Flexible Spending Account
• Supplemental Life Insurance
• Short‑Term and Long‑Term Disability Insurance
• Business Travel Insurance
• 401(k) with Match
• Weekly Pay

If this role interests you and you'd like to learn more, apply now and a recruiter will be in touch to discuss this great opportunity. We look forward to speaking with you!