Lead Electrical Engineer – Ultra-Low Noise Sensing

RXinsider LTD.; Colorado; Hybrid; USD 140,000 - 177,000; Full time

Benefits offered by this job

Health coverage

401(k) retirement plan

Vacation and leave policies

Job summary

Particle Measuring Systems in Niwot, Colorado, is seeking a Staff Electrical Engineer to lead the design of next‑generation particle measurement instrumentation. The role demands deep expertise in ultra‑low‑noise analog electronics, high‑speed digital systems, optoelectronics, and sensor technologies.

You will mentor engineers, guide architecture, collaborate with multidisciplinary teams, and help drive innovation while maintaining design documentation and testing methodologies.

Qualifications

• BS in Electrical Engineering or related field required.
• 15+ years analog/opto‑electronics circuit design experience.
• Strong writing, reporting and communication skills for technical docs.

Responsibilities

• Lead high‑sensitivity, low‑noise detection system development.
• Mentor engineers and guide multiple projects across teams.
• Evaluate circuits, test methodologies and improve designs.
• Collaborate with customers to understand application needs.
• Prepare design docs, reports, and engineering specs.

Skills

Analog & op-amp design

High-speed digital design

Optoelectronics

Laser systems

Circuit testing & validation

Mentoring engineers

Technical leadership

Schematic capture

PCB layout

Education

Bachelor of Science in Electrical Engineering

Master's degree in Electrical Engineering

PhD in Electrical Engineering

Tools

Siemens Xpedition/EDM PCBA design

Analog circuit simulators

Job description

Particle Measuring Systems in Niwot, Colorado, is seeking a Staff Electrical Engineer to lead the design of next‑generation particle measurement instrumentation. The role demands deep expertise in ultra‑low‑noise analog electronics, high‑speed digital systems, optoelectronics, and sensor technologies.

You will mentor engineers, guide architecture, collaborate with multidisciplinary teams, and help drive innovation while maintaining design documentation and testing methodologies.