Electrical Engineer

Do you want to be part of a business that genuinely values entrepreneurialism, innovation and individual accountability? We focus on our customers and are proud of the difference our technology makes. We partner with some of the biggest manufacturing companies in the world and our technical innovations are used to enhance well‑known brands across multiple industries.

Established in 1972, Particle Measuring Systems is a global leader for micro‑contamination monitoring equipment improving the performance of clean manufactures in the semiconductor and pharmaceutical industries. We’re a growing technology company in Niwot, Colorado, the heart of the Rocky Mountains. We offer an exceptional and rewarding work environment in a great place to live. Our employees enjoy challenging projects in the development and manufacture of light scattering particle counters and diverse technologies and applications.

Particle Measuring Systems is seeking a highly experienced Staff Electrical Engineer to lead the design and development of next‑generation particle measurement instrumentation. This role requires deep expertise in ultra‑low‑noise analog electronics, high‑speed digital systems, optoelectronics, and sensor technologies. As a technical leader, you will work on multidisciplinary product development teams, helping to solve challenging sensing problems at the limits of measurement performance.

You will contribute directly to technology strategy, guide architectural decisions, mentor engineers, and drive innovation in particle detection technologies. The ideal candidate combines strong technical expertise with creativity, intellectual curiosity, and a passion for developing novel solutions to complex engineering challenges.

• Lead the development of high‑sensitivity, low‑noise detection systems and highly stable laser‑based measurement technologies
• Develop innovative approaches for detecting increasingly smaller particles across diverse applications and media
• Serve as a technical leader across multiple projects, influencing product design and engineering standards
• Evaluate electronic circuit performance, identify improvement opportunities, and develop new testing methodologies when required
• Conduct tradeoff analyses to evaluate alternative technologies, components, and system architectures
• Investigate off‑the‑shelf technologies and determine where custom solutions provide strategic value
• Collaborate with customers and internal stakeholders to understand application requirements and use cases
• Develop proposals and perform research for emerging technologies and innovative sensing approaches
• Prepare design documentation, technical reports, test plans, and engineering specifications
• Mentor and coach electrical engineers and technicians, supporting technical growth and knowledge sharing
• Participate in design reviews, root‑cause investigations, and continuous improvement initiatives
• Continuously evaluate engineering processes to improve efficiency, quality, reliability, and safety
• This job description is not intended to be all‑inclusive. Responsibilities may evolve over time, and other related duties may be assigned to meet the ongoing needs of the company

• Bachelor of Science in Electrical Engineering or a related field
• 15+ years of analog or opto‑electronics circuit design experience
• Proficiency with schematic capture and PCB designs for noise and EMC
• Experience with lasers, and opto‑electronics
• Experience with industry photo‑detectors including PIN diodes, PMT, APD, and SiAPD
• Experience with low noise transimpedance amplifiers, and high sensitivity detection
• Experience using analog circuit simulators
• Understanding of the art of analog and high speed digital layout design
• Experience with advanced circuit test and evaluation methods
• Excellent written, oral, and presentation communication skills
• Ability to write clear and concise reports, summarize data and create technical documents
• Effective coaching and mentoring skills for early career electrical engineers…