Senior Thermal Engineer, Expeditionary AI / HPC Data Centers
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Design and operate production datacenter and core networks at scale, owning routing and switching configuration, platform qualification, and end-to-end troubleshooting of Layer 2/3 incidents. Requires several years of hands-on experience with BGP, interior routing protocols, TCP/IP, VLANs, and datacenter overlays in production environments. Strong skills in network automation with Python or Ansible, and familiarity with high-performance networking preferred. Onsite in Dublin, with travel to build sites as needed. $100,000–$150,000 base plus equity and benefits.
Written from this posting by Neural Jobs AI. The full description is below.
SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
About the Role
SpacexAI is building and operating large-scale networks that underpin training and inference infrastructure, including high-performance / supercompute fabrics that connect GPU clusters, plus the core, edge, and datacenter networks that keep that infrastructure reachable and reliable.
We need a Network Engineer who is strong on fundamentals and comfortable owning production network design, deployment, and operations end to end. This is a hands-on engineering seat — not a NOC technician role and not a network-software (telemetry/ZTP platform) SWE role. You will design and build networks, qualify platforms, ship changes safely, and keep availability and performance high as we scale.
Travel to Memphis (and other build sites) may be required for capacity build-outs. You will participate in a team on-call rotation.
Responsibilities
Basic Qualifications
Preferred Skills and Experience
Additional Requirements
$100,000 - $150,000 Base
Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.
SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.
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xAI develops Grok, a family of large language models, and builds the large-scale training and inference infrastructure behind them, including the Colossus supercomputing cluster.
Founded in 2023, the company focuses on frontier model research and deployment across the X platform and its own products.
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