We are a leading technology company delivering advanced liquid cooling solutions for high-density Artificial Intelligence (AI) workloads. As we rapidly expand our global footprint, we are seeking a Senior Lead Field Service Engineer to serve as the primary on-site technical authority for our systems in live customer facilities. This is a premier technical leadership role designed for a high-level expert ready to own complex service events and mentor a growing team. This position is built for growth, offering a clear career progression path into a Regional Field Service Manager role.Key Responsibilities Technical Authority: Serve as the final escalation point for complex or unresolved field service issues, owning the resolution of uptime-critical incidents. Advanced Troubleshooting: Lead hands-on diagnostics of mechanical, electrical, controls, and thermal system issues in live data center environments. System Lifecycle: Support installation supervision, system validation, commissioning, and performance verification of advanced liquid cooling systems. Leadership & Mentoring: Provide technical guidance, coaching, and onboarding support to Field Service Engineers and Technicians. Operational Excellence: Partner with Engineering and Quality teams on Root Cause Analysis (RCA) and continuous improvement initiatives. Safety Leadership: Exercise stop-work authority and apply sound judgment to balance safety, quality, and customer impact. Required Qualifications Expertise: Significant hands-on experience with liquid cooling, HVAC, thermal, mechanical, or mission-critical electrical systems. Environment: Proven background working in data centers, HPC environments, or other uptime-sensitive industrial facilities. Leadership: Experience serving as a technical subject matter expert or senior escalation point. Skills: Troubleshooting, RCA, and risk-based decision-making capabilities. Communication: Customer-focused mindset with the ability to translate complex technical issues for various stakeholders. Mobility: Ability to travel frequently to customer sites and work in industrial environments. Requirements: Valid U.S. driver’s license and authorization to work in the U.S. How We Work We value professionals who are Flexible, Collaborative, and Driven. You will be expected to take ownership of complex challenges with urgency while maintaining a Customer-Centric approach to system reliability.salary: $110,000 - $130,000 per yearshift: Firstwork hours: 8 AM - 4 PMeducation: AssociateResponsibilitiesKey Responsibilities Serve as the primary technical escalation point and final on-site authority for complex or unresolved field service issues Own resolution of customer-impacting, uptime-critical, and severity-based service incidents Lead advanced troubleshooting of mechanical, electrical, controls, and thermal system issues in live data center environments Support installation supervision, startup, commissioning support, preventimve maintenance, on-site service and repair of LiquidStack liquid cooling systems Lead commissioning support activities including pre-startup checks, system validation, and performance verification Apply sound field engineering judgment to make real-time technical decisions balancing safety, quality, uptime, and customer impact Provide technical guidance, coaching, and mentoring to Field Service Engineers and Technicians Support onboarding, training, and readiness of field team members Partner cross-functionally with Engineering, Quality, Manufacturing, and Operations on RCA, CAPA, and continuous improvement Exercise stop-work authority when unsafe or non-compliant conditions are identified The essential functions of this role include:working in a smoke free environmentwearing steel toe shoesworking in a non-temperature controlled environmentmanual lifting up to 50lbsworking weekendsSkillsTechnical LeadershipRoot Cause AnalysisCrisis ResolutionField EngineeringCross-Functional CollaborationSystem CommissioningSafety ManagementQualificationsYears of experience: 5 yearsExperience level: ExperiencedRandstad is a world leader in matching great people with great companies. Our experienced agents will listen carefully to your employment needs and then work diligently to match your skills and qualifications to the right job and company. Whether you're looking for temporary, temporary-to-permanent or permanent opportunities, no one works harder for you than Randstad. Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).This posting is open for thirty (30) days.