S

Submer

Immersion cooling systems for data centers

Senior AI Data Center Electrical Engineer

Full-Time
No salary listed
Expert
Bachelor's
Houston, TX, USA
HybridThe posting describes a hybrid-friendly approach.
Electrical EngineeringPower Systems Engineering
No H1B Sponsorship

About the job

Requirements
  • A Bachelor's degree or higher in Electrical Engineering, Power Systems, or a related field.
  • At least 10 years of progressive experience in electrical engineering for mission-critical facilities, including at least 5 years focused on large-scale data centers.
  • Proven experience designing and deploying HPC/AI data centers at the 100–300 MW scale.
  • Hands-on experience with modular data centers using 1–2 MW units that aggregate into 50–300 MW sites.
  • Deep expertise in NVIDIA Grace Blackwell (GB300) and Vera Rubin (VR200) reference architectures, including power delivery, in-line battery energy storage systems, transformers, switchgear, busways, power smoothing, and related mechanical, electrical, and plumbing requirements.
  • Strong knowledge of medium- and low-voltage switchgear, overhead busways, circuit breakers, power distribution units, battery energy storage systems, uninterruptible power supplies, generators, power smoothing, and harmonic mitigation.
  • Experience with power system analysis tools such as ETAP and SKM, and with commissioning processes.
  • Ability to work in fast-paced, cross-functional environments.
  • Professional Engineer license is preferred.
Responsibilities
  • Design, specify, and optimize medium-voltage and low-voltage electrical distribution systems for hyperscale and modular HPC/AI data centers, including switchboards, overhead busways, circuit breakers, transformers, power distribution units, remote power panels, grounding, and protection systems.
  • Lead power architecture for NVIDIA GB300 and VR200 SuperPod and reference deployments, addressing high-density rack power requirements, liquid cooling integration, power smoothing, and synchronous load management.
  • Develop and implement battery energy storage systems, uninterruptible power supplies, generators, and backup power solutions for uptime and grid stability.
  • Architect modular data center solutions that scale into larger HPC/AI sites, focusing on rapid deployment, standardization, and interoperability.
  • Perform short-circuit, arc-flash, coordination, load-flow, harmonics, and grounding studies, and ensure compliance with applicable codes and standards.
  • Collaborate with mechanical, structural, and information technology teams on mechanical, electrical, and plumbing integration, including 480-volt alternating-current and 800-volt direct-current architectures, overhead busway distribution, and high-current delivery systems.
  • Create and explain detailed single-line power-flow diagrams and provide specifications and design justifications to technical and non-technical customers.
  • Support construction, commissioning, and operations by reviewing drawings, specifications, and submittals, troubleshooting issues, and optimizing efficiency, capacity planning, and cost.
  • Evaluate and integrate emerging technologies for power density, energy efficiency, and sustainability in AI factories.
  • Mentor junior engineers and contribute to company standards and best practices for data center electrical infrastructure.
Desired Qualifications
  • Experience with liquid-cooled, high-power-density racks above 100 kilowatts and rack-scale systems such as NVIDIA NVL72 and SuperPOD.
  • Familiarity with Grid-to-Rack power distribution, complete mechanical, electrical, and plumbing equipment in single-line power specifications, 13.8-kilovolt/34.5-kilovolt distribution to information-technology white spaces with 480-volt alternating-current and/or 800-volt direct-current distribution, battery energy storage system integration, and renewable or grid-tied systems.
  • Background with hyperscale operators, colocation providers, or AI infrastructure projects.
  • Knowledge of data center standards including Uptime Institute and TIA-942, and safety protocols including NFPA 70E and OSHA.

About the company

Submer provides immersion cooling systems for data centers, with products like SmartPodX, SmartPodXL, and MicroPod used by hyperscalers, telecom operators, government agencies, financial institutions, educational and research institutions, and colocation providers. It cools by submerging servers and other components in a special liquid coolant, removing heat more efficiently than air cooling, and its modules are designed for installation, maintenance, and ongoing operation. The company differentiates itself with a focused immersion cooling product portfolio, global showrooms and demonstration centers, and a network of partners plus the Submer Academy offering installation, maintenance, and training services. Its goal is to reduce energy use and operating costs in data centers while boosting sustainability and enabling reliable, scalable performance for cloud, AI, HPC, and edge workloads.

Company Size

51-200

Company Stage

Debt Financing

Total Funding

$131.2M

Headquarters

Rubí, Spain

Founded

2015

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Simplify's Take

What believers are saying

  • Submer signed the 2026-09-30 Saudi Arabia MoU with ACES for AI-ready capacity.
  • Submer announced a €1 billion Flix campus on 2026-07-11, creating 150 jobs.
  • Intel partnership on 2026-09-23 expands Submer's reach across Middle East, Africa, and Turkey.

What critics are saying

  • Rubix's Kentucky project lacks power sourcing, threatening delay past 2027 permitting.
  • Submer's 8GW pipeline depends on utilities, land, and financing across multiple jurisdictions.
  • Corenix's modular strategy commoditizes Submer against Vertiv, Schneider Electric, and other integrators.

What makes Submer unique

  • Submer launched Corenix on 2026-09-28, bundling design, build, and commissioning.
  • Rubix and Corenix extend Submer from immersion cooling into full-stack AI infrastructure.
  • Submer claims 500MW deployed and 8GW powered land across Americas, EMEA, APAC.

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Benefits

  • Health Insurance
  • Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

-8%

1 year growth

-8%

2 year growth

-9%
Biz RapidX
Sep 30th, 2026
Submer and ACES sign mou to build ai-ready data center capacity in Saudi Arabia.

Submer and ACES sign mou to build ai-ready data center capacity in Saudi Arabia. Partnership pairs Submer's full-stack AI infrastructure engineering with ACES' delivery footprint in the Kingdom to bring high-density computing capacity online faster Duabi, UAE, Sept 30: Submer, a full-stack AI infrastructure provider, today announced the signing of a Memorandum of Understanding (MoU) with ACES (Advanced Communications & Electronics Systems), a Saudi digital infrastructure company, to accelerate the rollout of high-density, AI-ready data centers across the Kingdom. Under the agreement, the two companies will jointly pursue projects that serve the growing demands of AI and high-performance computing workloads. Submer contributes engineering and technology spanning the full project lifecycle, while ACES contributes local delivery, infrastructure services and investment. The scope covers advisory and consultancy for facility planning; the design and build of new and retrofit sites; IT integration across compute, networking and monitoring systems; thermal and power systems, including advanced liquid and immersion cooling; and potential co-investment in Saudi data center capacity. As the Kingdom pursues its Vision 2030 digital and AI agenda, rising rack densities are reshaping requirements for power, cooling, facility design and IT integration. Between them, the two partners aim to take customers from early planning through deployment and long-term operation. "The Kingdom's AI ambitions are moving faster than the infrastructure models supporting them," said Khalid Aljamed, General Manager for the Middle East, Turkey and Africa at Submer. "Rack densities are pushing conventional design to its limits, and customers are too often left coordinating separate parties for engineering, construction, integration and financing. Working with ACES, we can strip out much of that overhead and hand over facilities engineered for dense AI workloads from day one." "This agreement brings together exactly what building AI infrastructure here demands," said Dr. Akram Aburas, Group CEO of ACES. "Submer offers deep engineering and technology across the project lifecycle; ACES offers proven execution on the ground, market presence and investment strength. Together we can add AI-ready capacity and help Saudi Arabia's wider digital infrastructure ecosystem keep growing."

WHTop
Sep 28th, 2026
Submer Group unveils Corenix modular AI data center platform.

Submer Group unveils Corenix modular AI data center platform. September 28, 2026 - Submer Group has introduced Corenix, a modular data center platform aimed at accelerated computing, extending its reach from liquid cooling into the infrastructure surrounding high-density AI systems. For operators and enterprises, the question is whether a standardized build can bring usable capacity online sooner. Power access, site work and integration still determine when GPUs actually earn revenue. The launch gives infrastructure buyers another way to procure the physical systems needed for AI computing as a package. That could reduce the number of design and construction decisions made separately at each site. It also moves Submer Group into a larger part of the purchasing decision. [...] [... Check source for end of article...]

Mobile Europe
Sep 23rd, 2026
Intel, Submer target AI infrastructure growth across MEA.

Intel, Submer target AI infrastructure growth across MEA. 23 September 2026 Intel has partnered with Submer to develop AI, high-performance computing (HPC) and data centre infrastructure across the Middle East, Africa and Turkey. Under the agreement, Intel will provide its compute platforms, validated reference architectures and technology roadmap. Meanwhile, Submer will bring its engineering, design and deployment expertise. As a result, the pair will work on reference designs for AI and high-density computing, including systems that use liquid cooling. The companies will test the designs to assess factors such as cooling, power use and overall efficiency. The companies will work with sovereign, enterprise, hyperscale, telecom and public-sector organisations. Submer will also assess existing data centres that could be upgraded to support higher-density computing, as well as new facilities. Submer General Manager of Middle East, Africa and Turkey, Khalid Aljamed, said: "Customers in this region are not short of ambition on AI and HPC. What they need is a route from design intent to operating infrastructure that holds together technically. "Working alongside Intel lets us pair proven compute platforms with the engineering, integration and delivery capability we have built regionally, so that customers are dealing with one coherent architecture rather than a set of disconnected decisions." Intel General Manager of Saudi Arabia, Ahmad Alabduljabbar, added: "Organisations across the region are rapidly transitioning from experimental AI pilots to production-scale deployments faster than traditional data centres were built to handle. Today, the strategic focus is fundamentally shifting toward real-world application use cases and continuous inferencing-workloads that demand unprecedented platform agility, thermal efficiency, and compute density. "Bringing Intel's validated reference architectures together with Submer's advanced immersion cooling and deployment expertise delivers a practical, sustainable pathway to high-density AI and HPC environments. Building infrastructure that flexes to meet both immediate enterprise demands and future technological shifts is critical to realising the Kingdom's Vision 2030 ambitions for digital leadership and AI sovereignty."

The Fast Mode
Sep 15th, 2026
ExxonMobil, Submer Group collaborate on next-gen data center cooling.

ExxonMobil, Submer Group collaborate on next-gen data center cooling. ExxonMobil and Submer Group are collaborating to develop next-generation data center infrastructure designed to address rising demand from artificial intelligence, cloud computing and other high-performance workloads. As data center operators expand capacity to support increasingly compute-intensive applications, they face growing challenges around power availability, cooling requirements, reliability and deployment timelines. Higher AI compute densities are also driving operators to rethink traditional data center designs and explore the integration of behind-the-meter energy solutions with advanced liquid cooling technologies. The collaboration combines ExxonMobil's expertise in energy, chemistry, engineering and performance fluids with Submer Group's capabilities across the data center lifecycle, including site development, design, construction and live operations. The companies aim to develop scalable infrastructure that can support growing compute demand while improving operational efficiency and reliability. The collaboration will focus on integrating power and cooling strategies to create a more efficient approach to data center development and operations. Submer Group brings expertise across cooling, infrastructure, cloud and edge environments, supported by research and development focused on liquid cooling and sustainable data center design. Through its development and operating platform, Rubix, Submer Group manages the data center lifecycle, covering site selection, power procurement, design, construction and operations. The group is also supported by a global development pipeline exceeding 8 gigawatts of planned capacity. As AI adoption continues to increase, demand for scalable, power-efficient and resilient digital infrastructure is expected to grow. The companies said meeting this demand will require closer integration of power, cooling and operational strategies from the earliest stages of data center development. Glen Sharkowicz, Market Development Manager for ExxonMobil Product Solutions Company Designing facilities with efficiency as a foundational principle is essential. This approach can reduce infrastructure complexity, lower water consumption, and improve energy utilization by directing more available power toward computing resources rather than operational overhead. Patrick Smets, CEO of Submer Group Submer Group's mission is to enable AI infrastructure at scale, supporting gigawatt-scale deployments across global regions. By working together with ExxonMobil, we are bringing complementary capabilities that can help create a more integrated, scalable, and efficient foundation for the future of data center development and operations. Ray Sharma is an Industry Analyst and Editor at The Fast Mode. He has over 15 years of experience in mobile broadband technologies and solutions, conducting research and analysis on various technology segments and producing articles and write-ups on the latest developments within the sector. He is also in charge of social media engagement and industry liaisons. The Fast Mode 9658 likes TWEETS 28.4K FOLLOWING 3479 FOLLOWERS 13.2K

TahawulTech
Sep 10th, 2026
Submer and Edgecore Networks sign MoU to accelerate AI-ready data centre infrastructure across the region.

Submer and Edgecore Networks sign MoU to accelerate AI-ready data centre infrastructure across the region. Submer, a provider of end-to-end AI infrastructure, recently announced the signing of a Memorandum of Understanding (MoU) with Edgecore Networks, a global provider of open networking and AI infrastructure solutions, to collaborate on AI-ready data centre infrastructure opportunities across the Middle East, Türkiye and Africa (META). The strategic collaboration brings together complementary capabilities across critical layers of the AI infrastructure stack. Submer provides advisory and consultancy, data centre design and build, IT integration, power infrastructure and advanced thermal management, while Edgecore brings its open, high-performance networking portfolio, spanning AI/ML switches, data centre networking, optical networking and disaggregated infrastructure designed to support demanding, high-bandwidth and low-latency workloads. As AI adoption accelerates across the region, the infrastructure required to support it is becoming increasingly complex. The rapid deployment of GPU-intensive workloads is driving higher rack densities, greater power requirements and significantly greater thermal loads, while sovereign AI initiatives are accelerating the need for scalable, resilient and locally deployable infrastructure. These requirements are making the traditional approach of designing facility, power, thermal management, compute and networking as separate layers increasingly difficult to scale. The Submer and Edgecore collaboration is designed to address this challenge by bringing complementary infrastructure capabilities together earlier in the design and deployment process. "The AI infrastructure market is entering a new phase. Customers are no longer simply looking for individual technologies; they need infrastructure that is engineered to work together from the outset", said Khalid Aljamed, General Manager, Middle East, Türkiye and Africa at Submer. "As GPU densities increase, power, thermal management, networking and facility design become fundamentally interconnected. Our collaboration with Edgecore brings together complementary expertise to help customers approach these requirements as one coordinated infrastructure environment, supporting faster and more efficient deployment of AI capacity across the region". "AI workloads are reshaping the requirements for data centre networking, particularly as GPU clusters scale in size and performance", said Mingshou Liu, CEO of Edgecore Networks. "Edgecore's open networking approach provides the flexibility and performance needed for these environments. By combining our networking capabilities with Submer's expertise in advanced thermal and data centre infrastructure, we can help customers address the broader infrastructure requirements of high-density AI deployments in a more integrated way". Bringing critical AI infrastructure layers together Under the MoU, Submer and Edgecore will explore joint solution development, customer opportunities and go-to-market initiatives across META. The collaboration will focus on: * Integrated AI infrastructure design: Combining Submer's facility, power and thermal engineering capabilities with Edgecore's high-performance networking infrastructure to support high-density AI and HPC environments. * Networking and IT integration: Supporting the integration of networking with compute, monitoring and other critical IT infrastructure to simplify deployment and operational management. * Advanced thermal management: Applying Submer's thermal infrastructure capabilities to address the increasing thermal requirements of dense GPU and AI environments. * Joint solution development: Exploring architectures that align networking, power, cooling and facility requirements from the earliest stages of infrastructure planning. * Regional go-to-market collaboration: Developing joint opportunities with enterprises, data centre operators, service providers and organisations investing in sovereign and enterprise AI infrastructure across the region. * Customer deployment support: Helping organisations move from infrastructure planning and design toward operational AI-ready environments through a more coordinated approach. By bringing these infrastructure disciplines together, the partnership aims to reduce integration complexity, improve deployment readiness and provide customers with a clearer path from AI infrastructure design to operational capacity. Supporting the Region's AI Infrastructure Ambitions The Middle East, Turkey and Africa region is experiencing accelerating investment in AI, cloud and digital infrastructure. In particular, national AI and digital transformation strategies across the Gulf are driving demand for increasingly sophisticated data center environments capable of supporting high-performance computing and dense GPU deployments. Saudi Arabia and the UAE are emerging as major centers for sovereign AI investment, creating demand not only for compute capacity but for the underlying infrastructure required to deploy that capacity at scale. The Submer-Edgecore collaboration is designed to support this evolution by connecting advanced thermal and facility infrastructure with open, high-performance networking, helping customers address the increasingly interconnected requirements of AI data centers. The announcement follows Submer's continued expansion across META, including the establishment of its regional operations and Saudi Arabia headquarters. The collaboration with Edgecore further strengthens Submer's ability to address the infrastructure requirements associated with high-density AI environments, spanning advisory, design and build, power and thermal solutions, and IT integration, complemented by Edgecore's open networking capabilities. As AI workloads continue to push the boundaries of compute density and infrastructure performance, Submer and Edgecore aim to help organisations across META build and scale AI infrastructure with greater coordination, flexibility and deployment efficiency. Image Credit: Submer & Edgecore Networks