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.
Title Senior Sustaining Engineer
Department Service Projects - AMER
Location Niwot/Hybrid
Reports To Service Project Manager - AMER
About UsEstablished 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.
Your ImpactWe are seeking a Senior Sustaining Engineer to support the lifecycle of Particle Measuring Systems' deployed products and solutions. This role plays a critical part in ensuring product reliability, resolving complex technical issues, and driving continuous product improvement. This position requires strong technical troubleshooting capability, cross-functional collaboration, and the ability to translate field feedback into actionable product improvements.
The RoleThe Senior Sustaining Engineer acts as a technical escalation point for field and service teams, partnering closely with R&D, product management, quality, and customer support organizations to diagnose issues, implement corrective actions, and maintain product performance in the field.
Job Responsibilities- Serve as Level 3 technical escalation for complex product and system issues impacting customers or field service teams
- Investigate product failures and field issues using structured root cause analysis methodologies
- Work closely with R&D engineering teams to identify design-related issues and implement corrective actions
- Drive Corrective and Preventive Actions (CAPA) to resolve recurring product or system issues
- Support engineering change processes including design updates, firmware revisions, and product improvements
- Analyze field data, service reports, and reliability trends to identify systemic product issues
- Develop technical documentation including troubleshooting guides, service bulletins, and engineering change recommendations
- Provide technical guidance and mentoring to service engineers and junior engineering staff
- Collaborate with Quality, Manufacturing, and Product Management teams to improve product performance and serviceability
- Participate in product lifecycle management activities including sustaining engineering reviews and reliability improvement initiatives Resolve technical and tactical issues through structured problem-solving and collaboration
- Communicate progress on resolutions to internal stakeholders and help with customer management as required
- Continuously evaluate processes for improvements in efficiency, quality, 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.
Required Qualifications- Bachelor's degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 6+ years of relevant engineering experience supporting complex systems, instrumentation, or automation technologies; OR equivalent combination of education and experience
- Experience supporting fielded products or sustaining engineering activities
- Demonstrated success diagnosing complex technical issues across hardware, software, and system integrations
- Proficiency in coding and scripting (e.g., Python, PowerShell, or similar) aimed at accelerating troubleshooting activities, identifying effective workarounds, and reducing engineering effort required for bug fixing
- Strong problem-solving skills using structured methodologies such as 8D, A3, or RCA
- Experience supporting complex instrumentation or automation systems in production environments
- Ability to interpret system architectures, control schematics, and communication protocols
- Experience working with industrial communication protocols such as Modbus, Ethernet/IP, and OPC UA
- Understanding of regulated manufacturing environments (GMP, GAMP, FDA, Annex 1 preferred)
- Strong collaboration and communication skills across engineering and customer support teams
- Ability to mentor junior engineers and guide technical problem-solving activities
Preferred Qualifications- Experience working in regulated or controlled manufacturing environments
Work Environment & Physical Requirements- This role primarily operates in an office/lab/manufacturing environment. Must be able to sit, stand, and use a computer for extended periods of time
- Occasional lifting of up to 20 lbs. may be required
- Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this role
Compensation & Benefits- Competitive base salary range: $95,000 - 140,000, depending on experience
- Our compensation philosophy: we offer competitive pay based on market data, including local, national, and industry benchmarks. For new hires, offers are generally within the established min- to mid-point of the range for the role, with flexibility to recognize experience, skills, and education. Our approach ensures fair pay internally while remaining competitive externally and allows room for growth.
- Comprehensive benefits package:
- Health coverage: medical, dental, vision, fsa, onsite clinic (CO employees), life insurance
- 401(k) retirement plan with company match
- Vacation, holiday, and leave policies
- Tuition reimbursement, Employee recognition programs, Employee assistance programs
Particle Measuring Systems is proud to be an Equal Opportunity Employer and are committed to building an inclusive and supportive workplace where everyone can thrive
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