Senior Manager, Sustaining Engineering & Product Lifecycle

Senior Manager, Sustaining Engineering & Product Lifecycle

At Liquid Stack, we’re redefining what’s possible in the data center world. As a global leader in advanced liquid cooling solutions, we’re powering the future of AI, edge computing, and high-performance systems. Our team is growing, and we’re looking for skilled professionals who want to be part of something innovative and impactful.

Liquid Stack is a rapidly scaling technology company delivering advanced liquid cooling solutions for hyperscale, enterprise, and edge data centers supporting AI and high-performance computing workloads. We are seeking a Senior Manager of Sustaining Engineering to own the post-launch lifecycle of Liquid Stack products, while actively contributing to New Product Introduction (NPI), service readiness, and continuous improvement.

This role serves as a critical technical leader within the Sustaining Engineering organization, acting as a bridge between Engineering, Manufacturing, Quality, and Global Services. The Senior Manager ensures product reliability, field performance, and customer satisfaction from launch through end-of-life, while supporting complex service escalations, customer issues, and lab validation activities.

• Lead sustaining engineering activities for released products, ensuring reliability, serviceability, and continuous improvement throughout the product lifecycle.
• Drive root-cause analysis (RCA) and corrective and preventive actions for field issues, quality escapes, and reliability concerns.
• Own engineering change requests (ECR/ECO) related to performance, quality, manufacturability, cost, and serviceability.
• Partner closely with Quality and Manufacturing on defect analysis, containment actions, and long-term corrective strategies.

• Support NPI programs to ensure products are designed for long-term reliability, serviceability, and field readiness.
• Provide sustaining and service input into design reviews, validation plans, and reliability testing.
• Ensure effective transition from development to sustaining ownership post-launch.

• Serve as a senior technical escalation point for complex service, customer, and field issues.
• Support Global Services and Field Service teams during high-impact customer escalations.
• Participate in on-site customer visits as needed to resolve critical issues and reinforce customer confidence.
• Partner with Service leadership to improve procedures, tools, and training based on field learnings.

• Support performance, validation, and reliability lab activities, including test planning and failure analysis.
• Analyze lab and field data to identify trends, risks, and improvement opportunities.
• Collaborate with Engineering and R&D teams to validate design changes and corrective actions.

• Act as a technical liaison across Engineering, Quality, Manufacturing, Supply Chain, and Global Services.
• Develop sustaining documentation including service bulletins, technical advisories, and lessons learned.
• Improve sustaining engineering processes aligned with a scaling organization and ISO-based quality systems.
• Mentor and guide engineers and technical staff supporting sustaining and service efforts.

• Bachelor’s degree in Mechanical Engineering or related discipline.
• 10+ years of experience in data centers or mission-critical cooling environments, or 15+ years of experience in HVAC, thermal systems, or the cooling industry.
• Demonstrated experience supporting products across the full lifecycle, including post-launch sustainment.
• Proven success managing technical service escalations and customer-facing issue resolution.
• Strong background in root-cause analysis, reliability engineering, and corrective action implementation.
• Experience working cross-functionally with Engineering, Manufacturing, Quality, and Services organizations.

• Prior experience leading or managing a sustaining engineering function or team.
• Deep technical…