Cooling Applications Engineer

Rittal LLC is looking for a Cooling Application Engineer to support Pre-Sales activities for liquid and air-cooling solutions in the U.S. hyperscale data center market. This role provides technical expertise to sales teams and customers, ensuring Rittal’s cooling technologies meet engineering requirements and deployment challenges in hyperscale and cloud computing environments., * Pre-Sales Support: Collaborate with sales teams to present and position Direct Liquid Cooling (DLC), Rear-Door Heat Exchangers (RDHx), and advanced air-cooling solutions for hyperscale customers.

• Solution Design & Technical Consultation: Analyze customer requirements and develop customized cooling architectures aligned with ASHRAE, Open Compute Project (OCP), and U.S. regulatory standards.
• Customer Engagement & Presentations: Conduct technical workshops, site visits, and proof-of-concept demonstrations for cloud providers, colocation operators, and enterprise clients.
• Proposal & Tender Support: Provide technical documentation, bid responses, and RFP/RFQ support to ensure compliance with customer specifications.
• Product Adaptation & Testing: Work with R&D and product teams to tailor global solutions for U.S. hyperscale market needs.
• Industry & Market Analysis: Track emerging trends in high-density cooling, sustainability initiatives, and energy efficiency standards to guide product positioning.
• Represent the company in associations such as OCP and ASHRAE.
• Participate and present at trade shows and conferences.

• Bachelor’s degree in Mechanical Engineering, Thermal Engineering, or a related field.
• 3+ years of experience in application engineering, pre-sales, or technical sales support for data center cooling.
• Strong expertise in heat transfer, fluid dynamics, and energy efficiency metrics (PUE, WUE, etc.).
• Experience working with hyperscale data centers, cloud providers, or colocation facilities.
• Knowledge of ASHRAE thermal guidelines, OCP cooling specifications, and North American compliance standards.
• Excellent presentation and communication skills for engaging technical and executive audiences.
• Ability to travel to customer sites, industry events, and corporate meetings (~30-40% travel).
• Fluent in English; additional language skills are a plus., * Hands-on experience with Direct Liquid Cooling (DLC), immersion cooling, or high-density air-cooling solutions.
• Familiarity with CFD (Computational Fluid Dynamics) modeling for thermal analysis.
• Knowledge of data center sustainability initiatives, such as carbon footprint reduction and heat reuse technologies.

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

• A “disabled veteran” is one of the following:
• a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
• a person who was discharged or released from active duty because of a service-connected disability.
• A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran’s discharge or release from active duty in the U.S. military, ground, naval, or air service.
• An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
• An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Why Join Rittal?

• Work with a leading global provider of industrial and IT infrastructure solutions.
• Engage with top hyperscalers, cloud providers, and enterprise data centers in the U.S.
• Be part of next-generation cooling innovations shaping the future of high-performance computing.