Description
About Submer
Submer designs and delivers end-to-end AI datacenter infrastructure built around industry-leading liquid cooling.
We help organizations scale AI beyond the limits of traditional datacenters by enabling higher density, greater efficiency and lower environmental impact – accelerating time-to-AI from first deployment to full production.
What impact you will have
We are seeking an MEP Design Engineer - HPC/AI Data Centers to lead the full Mechanical, Electrical, and Plumbing (MEP) design and delivery of high-performance computing (HPC) and AI data centers. This role owns the integrated MEP architecture for large-scale (100-300 MW) facilities and modular data center (MDC) deployments that scale into 50-300 MW HPC/AI sites. You will ensure seamless coordination across mechanical, electrical, and plumbing systems to support next-generation GPU clusters, with a strong emphasis on NVIDIA Grace Blackwell (GB300) and Vera Rubin (VR200) reference architectures.
This is a hands-on technical leadership position ideal for an engineer who can own end-to-end MEP design for mission-critical, high-density environments.
What you’ll do
- Lead the holistic MEP design, specification, and optimization for hyperscale and modular HPC/AI data centers, ensuring integrated performance, reliability, efficiency, and scalability.
- Design electrical systems including MV/LV distribution, switchboards, overhead busways, circuit breakers, transformers (ML/VL), PDUs, grounding, protection, BESS, UPS, and generators.
- Oversee mechanical systems focused on high-density liquid cooling (direct-to-chip, immersion, CDUs, in-row/in-rack solutions), CRAC/CRAH, heat rejection, airflow management, and redundancy for 100+ kW racks.
- Manage plumbing and fluid systems, including coolant distribution, primary/secondary cooling loops, leak detection, piping, pumps, filtration, and integration with facility water systems or closed-loop designs.
- Architect modular data center solutions (1-2 MW containers/pods) that efficiently aggregate into larger 50-300 MWHPC/AI sites, emphasizing standardization, rapid deployment, and future-proofing.
- Deliver MEP designs tailored to NVIDIA GB300 (Grace Blackwell) and VR200 (Vera Rubin) Superpod/reference architectures, addressing rack power (~120 kW+), liquid cooling manifolds, power smoothing, high-current delivery, and thermal management requirements.
- Perform system-level studies (power, thermal, hydraulic, CFD) and ensure compliance with NEC, NFPA, ASHRAE, IEEE, Uptime Institute, and local codes.
- Collaborate with architecture, structural, IT, and construction teams throughout design, procurement, construction, commissioning, and handover phases.
- Optimize for energy efficiency, sustainability, capacity planning, fault tolerance, and total cost of ownership in AI factory environments.
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Develop standards, create and review drawings/specifications, troubleshoot issues, and mentor junior MEP engineers.
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Create internal and customer-facing MEP specifications and explain/discuss with technical and non-technical customers.
What you’ll need
- Bachelor’s degree (Master’s preferred) in Mechanical Engineering, Electrical Engineering, or a related MEP-focused discipline. PE license strongly preferred.
- 5+ years of progressive experience in MEP engineering for mission-critical facilities, with at least 3-5 years in large-scale data centers or equivalent high-density environments.
- Demonstrated ability to design complete HPC/AI data centers across all three MEP disciplines (Mechanical, Electrical, Plumbing/Cooling).
- Proven track record with HPC/AI data centers at 100-300 MW scale and modular deployments (1-2 MW units scaling to 50-300 MW sites).
- Strong knowledge of NVIDIA Grace Blackwell (GB300) and Vera Rubin (VR200) architectures, including integrated power, cooling, and fluid system requirements.
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Expertise in high-density liquid cooling, Grid-to-Rack power distribution, all MEP equipment in single-line power specification, 13.8kV/34.5kV to IT white spaces with 480V AC and/or 800V DC power distribution, BESS integration, MV/LV power distribution, busways, and critical infrastructure redundancy (N+1, 2N, etc.).
- Proficiency with relevant design and analysis tools (e.g., ETAP, Revit, AutoCAD, CFD, SKM).
- Excellent leadership, communication, and cross-disciplinary collaboration skills.
Preferred Qualifications
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Experience with 800V DC architectures, advanced power smoothing, and sustainable cooling technologies.
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Experience with modular data center design, structural integrity, and shipping/logistics of MDCs.
- Background at hyperscale operators, AI infrastructure providers, or modular data center projects.
- Familiarity with TIA-942, ASHRAE TC 9.9, and high-performance computing facility standards.
- Prior involvement in full lifecycle projects from concept through commissioning and operations.
What we offer
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Attractive compensation package reflecting your expertise and experience.
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Medical Insurance Plan.
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401k Employee volunteer contribution Plan.
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A great work environment characterized by friendliness, international diversity, flexibility, and a hybrid-friendly approach.
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You´ll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution.
Our job titles may span more than one job level. The actual base pay is dependent on a number of factors, such as transferable skills, work experience, business needs and market demands.
Our inclusive responsibility
Submer is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected category under applicable law.
#MDC
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