Mechanical Engineer - Liquid Cooling

What We're Looking For: Barge Design Solutions is seeking a Mechanical Engineer with experience in high-density data center cooling systems to support the rapidly growing mission-critical sector . This role will focus on the design and integration of advanced cooling infrastructure supporting modern data centers and AI/HPC workloads, including both traditional chilled water systems and emerging liquid cooling technologies. The ideal candidate understands how IT thermal loads translate into mechanical infrastructure, and has experience designing hydronic systems, heat rejection systems, and high-density cooling solutions used in mission-critical environments. This position offers the opportunity to work on next-generation data center facilities supporting cloud, AI, and high-performance computing infrastructure. What You Get: Meaningful Project Work – Contribute to mission-critical infrastructure supporting the global digital economy. Technical Growth – Work on advanced cooling technologies including liquid cooling and high-density compute environments. Collaborative Engineering Culture – Work alongside electrical, controls, and structural engineers solving complex infrastructure challenges. Competitive Compensation – We recognize top talent with competitive pay and benefits. Growth & Stability – Join a well-established engineering firm with a strong presence in the data center sector. Flexibility & Work-Life Balance – We support a flexible environment that promotes both professional growth and personal well-being. Responsibilities: Support the mechanical design of data center cooling systems in a multidisciplinary engineering environment. Develop and support design of: Chilled water distribution systems Pumping systems Heat exchangers Dry coolers and cooling towers Hydronic piping systems Assist in evaluating and integrating high-density cooling technologies , including: Direct-to-chip liquid cooling Coolant Distribution Units (CDUs) Rear-door heat exchangers Secondary coolant loops Immersion cooling systems Perform engineering calculations including: Cooling load calculations Pump head calculations Hydraulic analysis of piping systems Heat exchanger sizing Support development of: Mechanical drawings P&IDs Equipment specifications Basis-of-design documents Education & Experience Qualifications: Education & Licensure : Bachelor’s degree in Mechanical Engineering from an ABET-accredited university and an active Professional Engineer (PE) license. Industry Experience : Mechanical engineering background in mission-critical facilities, with a strong preference for experience in hyperscale or colocation data centers, AI compute environments, or High-Performance Computing (HPC). Cooling Systems Expertise : Experience designing or supporting high-density data center cooling architectures, including chilled water and hydronic systems, liquid cooling (direct-to-chip or immersion), and CDU/secondary coolant loops. Design Tools & Standards : Proficiency with Revit, AutoCAD, or similar design software, and familiarity with ASHRAE data center thermal guidelines (TC 9.9). Collaboration : Strong technical communication skills with the ability to convey complex information clearly and collaborate effectively across multidisciplinary project teams. Why join us? Barge Design Solutions, Inc., is an engineering and architecture firm with diverse in-house multidisciplinary practice areas. The employee-owned company is more than 650+ people strong and serves clients nationwide from multiple U.S. locations. Barge is ranked on Engineering News-Record (ENR)’s Top 500 Design Firms and Architectural Record’s Top 300 Architecture Firms and is a certified Great Place To Work®. Our primary purpose for being in business is ultimately to create a better life by unleashing the potential of our people, clients and communities. This purpose is supported by our company’s core values because at the end of the day, Barge CARES: Collaborate – Help and expect help. Teamwork is essential in what we do. Authentic – Honesty, integrity and trust are at the heart of everything we do. We are who we say we are. Responsible – We are accountable for our work, our attitude, and our actions. We make Barge better. Excellence – We go all in and expect more of ourselves than others expect of us. Service – We are humble. We use our gifts in service of others. We believe that if we are living out our purpose for being in business and integrating our values into everything we do, we will ultimately achieve our vision to be the firm best known for being selected when it matters most. Equal Opportunity Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status or on the basis of disability. Equal Opportunity Employer/Veterans/Disabled Agency Submissions No unsolicited agency submissions. Barge Design Solutions does not accept unsolicited resumes from recruiters or staffing agencies. Any unsolicited resume becomes the property of Barge Design Solutions, and no fee will be paid for resulting hires. Only agencies with a signed agreement are authorized to submit candidates.