Resident Cryogenic Engineer

Bluefors • Seattle, WA

5d • Onsite

About The Position

We are looking for a Resident Cryogenic Engineer to join our team at Bluefors, based on-site at a key customer location in the Seattle area. In this role, you will serve as the primary technical representative, supporting the daily operation, commissioning, and long-term performance of advanced cryogenic systems used in cutting-edge research and R&D. This is a unique opportunity to work hands-on with highly specialized technology while collaborating closely with both customers and internal engineering teams.

Requirements

• Master’s degree in physics or engineering, or a Bachelor’s degree with at least two years of relevant industry or R&D experience.
• 1+ year of hands-on experience with cryogenic refrigerator systems.
• 2–4 years of experience working with 4K and mK cryogenic systems, including installation, commissioning, operation, and maintenance.
• Familiarity with dilution refrigerators, helium leak detection, high vacuum systems, RGAs, turbo-molecular pumps, and cryogenic handling equipment.
• Strong troubleshooting skills across cryogenic, vacuum, and control subsystems.
• Structured and analytical approach to problem-solving.
• Proficiency in reading technical documentation and working with engineering tools.
• Clear and effective written and verbal communication skills.
• Comfortable working independently in a customer-embedded environment while maintaining alignment with internal teams.
• Professionalism, adaptability, and a strong commitment to safety.
• Excellent command of English, both written and spoken.

Nice To Haves

• Experience using 3D CAD tools such as Creo or SolidWorks.
• Familiarity with design-for-manufacturability and installation best practices.
• Experience with root cause analysis, thermal and mechanical analysis methods.
• Use of machine shop tools such as mills and lathes.
• A proactive mindset, combined with the ability to identify system improvements and contribute to continuous improvement efforts.
• Strong customer focus, technical curiosity, and alignment with company values—such as attention to detail, teamwork, and continuous learning.

Responsibilities

• Act as the on-site Bluefors technical representative, providing day-to-day engineering support at the customer location.
• Install, commission, operate, upgrade, and maintain cryogenic systems throughout their lifecycle.
• Lead commissioning and performance optimization of dilution refrigerator systems.
• Diagnose and resolve complex system-level issues related to gas handling, instrumentation, vacuum integrity, and control logic.
• Execute preventive, planned, and corrective maintenance to ensure system reliability.
• Maintain and troubleshoot high-performance vacuum systems, including helium leak detection and remediation.
• Ensure all systems are operated safely in accordance with established procedures.
• Document system status, service activities, and technical findings.
• Collaborate closely with internal Bluefors teams to support coordination between engineering, production, and service functions.
• Perform additional duties as assigned.

Benefits

• Support of a highly skilled and growing organization.
• Excellent opportunity for professional growth in a dynamic, enthusiastic, and collaborative team.
• Multicultural work environment with room to grow.
• Opportunity to use your potential and further develop your skills.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level