Senior Sustaining Engineer

Senior Sustaining EngineerDo 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.We 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 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 teamsInvestigate product failures and field issues using structured root cause analysis methodologiesWork closely with R&D engineering teams to identify design-related issues and implement corrective actionsDrive Corrective and Preventive Actions (CAPA) to resolve recurring product or system issuesSupport engineering change processes including design updates, firmware revisions, and product improvementsAnalyze field data, service reports, and reliability trends to identify systemic product issuesDevelop technical documentation including troubleshooting guides, service bulletins, and engineering change recommendationsProvide technical guidance and mentoring to service engineers and junior engineering staffCollaborate with Quality, Manufacturing, and Product Management teams to improve product performance and serviceabilityParticipate in product lifecycle management activities including sustaining engineering reviews and reliability improvement initiativesCommunicate progress on resolutions to internal stakeholders and help with customer management as requiredContinuously evaluate processes for improvements in efficiency, quality, and safetyThis 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 experienceExperience supporting fielded products or sustaining engineering activitiesDemonstrated success diagnosing complex technical issues across hardware, software, and system integrationsProficiency 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 fixingStrong problem-solving skills using structured methodologies such as 8D, A3, or RCAExperience supporting complex instrumentation or automation systems in production environmentsAbility to interpret system architectures, control schematics, and communication protocolsExperience working with industrial communication protocols such as Modbus, Ethernet/IP, and OPC UAUnderstanding of regulated manufacturing environments (GMP, GAMP, FDA, Annex 1 preferred)Strong collaboration and communication skills across engineering and customer support teamsAbility to mentor junior engineers and guide technical problem-solving activitiesPreferred Qualifications:Experience working in regulated or controlled manufacturing environmentsWork 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 timeOccasional lifting of up to 20 lbs. may be requiredReasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this roleCompensation & Benefits:Competitive base salary range: $95,000 – 140,000, depending on experienceOur 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 insurance401(k) retirement plan with company matchVacation, holiday, and leave policiesTuition reimbursement, Employee recognition programs, Employee assistance programsParticle Measuring Systems is proud to be an Equal Opportunity Employer and are committed to building an inclusive and supportive workplace where everyone can thrive