xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge.

About the Role

Grok and X are powered largely from our own on-premise infrastructure which enables us to move at speed and efficiency when deploying vast amounts of capacity. People wouldn't be able to enjoy participating in the townhall on X or use Grok to understand the universe if it weren't for our Edge networking infrastructure.

We are seeking two senior engineers that help architect, develop, and build our peering and transit infrastructure with associated routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets. The two successful candidates will have great Python skills to remove repetitive engineering cycles and auto-mitigate customer impacts.

Responsibilities

• Architect, develop, and maintain peering and transit infrastructure, including routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets.

• Leverage Python scripting to automate repetitive engineering tasks and proactively mitigate customer impacts.

• Manage and troubleshoot DNS infrastructure to ensure reliable performance.

• Oversee and resolve issues related to cloud VPCs and connected network hardware.

• Diagnose and resolve complex TCP/IP issues to maintain seamless network operations.

• Collaborate with cross-functional teams to enhance infrastructure efficiency and support xAI's AI platforms.

Required Qualifications

• 7+ years of experience with edge network hardware, including load balancers, CGNAT, routers, and switches.

• 7+ years of routing experience in backbones, peering, and transit areas with expertise in traffic engineering.

• 5+ years of experience using Python scripting to automate deployments and break/fix tasks.

• 3+ years of experience managing DNS infrastructure.

• 3+ years of experience managing and troubleshooting cloud VPCs and connected network hardware.

• Proven ability to troubleshoot complex TCP/IP issues.

Preferred Qualifications

• Experience with A10 Networks, NGINX, or open-source load balancer/CGNAT software.

• Familiarity with Route53 and UltraDNS.

• Expertise in GCP, AWS, and OCI VPC architecture and troubleshooting.

• Knowledge of Kubernetes Ingress.

• Experience with CDN, Fastly, and Cloudfront.

• Demonstrated success in on-call rotations and incident response in high-stakes environments.

• Strong problem-solving skills and adaptability in a fast-paced, ambiguous setting.

Annual Base Salary

$180,000 - $440,000 USD

Benefits

Base salary is just one part of our total rewards package at X, 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.

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Grok and X are powered largely from our own on-premise infrastructure which enables us to move at speed and efficiency when deploying vast amounts of capacity. People wouldn’t be able to enjoy participating in the townhall on X or use Grok to understand the universe if it weren’t for our Edge networking infrastructure.

Responsibilities

• Architect, develop, and maintain peering and transit infrastructure, including routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets.

• Leverage Python scripting to automate repetitive engineering tasks and proactively mitigate customer impacts.

• Manage and troubleshoot DNS infrastructure to ensure reliable performance.

• Oversee and resolve issues related to cloud VPCs and connected network hardware.

• Diagnose and resolve complex TCP/IP issues to maintain seamless network operations.

• Collaborate with cross-functional teams to enhance infrastructure efficiency and support xAI’s AI platforms.

Required Qualifications

• 7+ years of experience with edge network hardware, including load balancers, CGNAT, routers, and switches.

• 7+ years of routing experience in backbones, peering, and transit areas with expertise in traffic engineering.

• 5+ years of experience using Python scripting to automate deployments and break/fix tasks.

• 3+ years of experience managing DNS infrastructure.

• 3+ years of experience managing and troubleshooting cloud VPCs and connected network hardware.

• Proven ability to troubleshoot complex TCP/IP issues.

Preferred Qualifications

• Experience with A10 Networks, NGINX, or open-source load balancer/CGNAT software.

• Familiarity with Route53 and UltraDNS.

• Expertise in GCP, AWS, and OCI VPC architecture and troubleshooting.

• Knowledge of Kubernetes Ingress.

• Experience with CDN, Fastly, and Cloudfront.

• Demonstrated success in on-call rotations and incident response in high-stakes environments.

• Strong problem-solving skills and adaptability in a fast-paced, ambiguous setting.

Annual Base Salary

$180,000 - $440,000 USD

Benefits

Base salary is just one part of our total rewards package at X, 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.

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We are seeking a highly experienced engineer to design, develop, deploy and operate our global backbone infrastructure. This role requires expertise in backbone network hardware and protocols, routing experience, and proficiency in Python scripting.

Responsibilities

• Design, develop, deploy and operate our global backbone infrastructure
• Partner with internal teams on requirements and leverage our own systems for insights
• Automate customer impact mitigations and remove repetitive engineering cycles using Python and Ansible

Requirements

• 10+ years working on backbone network hardware and protocols (MPLS RSVP TE++) in a large/hyper scale environment
• 10+ years of routing experience (BGP, IS-IS) within backbones, peering and transit areas with deep skills in traffic engineering
• 5+ years experience with Python scripting and the ability to automate repetitive tasks for deployments and break/fix
• 5+ years experience managing and troubleshooting cloud VPCs and connected network hardware
• Experience with Juniper, Cisco and Arista hardware
• Experience with AWS, GCP and OCI clouds
• Experience capacity planning on large networks with minimal customer input
• Proven track record in on-call rotations and incident response in high-stakes environments

Benefits

Base salary is just one part of our total rewards package at X, 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.

Annual Base Salary

$180,000 - $440,000 USD

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Your primary responsibilities will include:

• Reporting to the job site during initial construction and reporting back to the engineering team as required.
• Performing troubleshooting and monitoring of the servers and network in our data centers and global points of presence.
• Rack and stacking of data center network equipment.
• Maintaining Warehouse inventory and asset management using our internal application.
• Labelling and troubleshooting for fibre/optics cables.
• Power supply cabling, installation, troubleshooting and repair.
• Installation of racks, servers and switches; this includes staging racks in place, cabling, power up and handoff of hardware to the provisioning team for customer capacity allocation.
• Managing, responding and resolving of data center operations tickets used cross functionally within xAI via Jira.
• Creating and maintaining documentation of tasks and standard operating procedures.
• Receipt and decommissioning of data center hardware.
• Vendor returns for infrastructure under and out of warranty.
• Managing spare parts inventory within the data center.
• Defining, designing, and implementing network layouts and solutions within our data centers.

To be successful in this role, you will need:

• A high school diploma or equivalency certificate.
• 2+ years of experience working with server, storage, compute and network hardware.
• 2+ years of experience troubleshooting and repairing servers and networking infrastructure.
• 2+ years of experience in Inventory Management, and ordering, receiving and shipping server and network equipment.
• Strong Linux skills, including navigating the system's directories and filing system, manipulating files in the Linux shell, user permission configuration, package installation and software management.
• Ability to identify and apply different filesystem types, using Linux commands for process management, basic troubleshooting and debugging, and Bash or other scripting.
• Experience being on-call and ability to respond to critical events as needed.
• Experience leading Data Center Infrastructure projects.
• Curious to always learn new things within the Data Center World.
• Excellent prioritization and time management skills.
• Able to work in a fast-paced environment.
• Detail-oriented.
• Oracle Experience.
• Inventory Management.
• 4+ years of experience in Structured Cabling Copper/Fibre.
• 4+ years of experience in Power and Cooling concepts inside the data center.

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Responsibilities

• Perform troubleshooting and monitoring of servers, diagnose and repair issues.
• Maintain our network infrastructure, including network gear swaps, troubleshooting optics/fiber links, and repairing them.
• Manage, respond, and resolve data center operations tickets used cross-functionally via Jira.
• Create and maintain documentation of tasks and standard operating procedures.
• Receive and decommission data center hardware.
• Install racks, servers, and switches, including staging racks in place, cabling, power up, and handoff of hardware to the provisioning team for customer capacity allocation.
• Maintain warehouse inventory and asset management using our internal application.
• Vendor returns for infrastructure under and out of warranty.
• Manage spare parts inventory within the data center.
• Define, design, and implement network layouts and solutions within our data centers.

Qualifications

• 2+ years of experience working with server, storage, compute, and network hardware.
• 2+ years of experience troubleshooting and repairing servers and networking infrastructure.
• 1+ year of experience in inventory management, and ordering, receiving, and shipping server and network equipment.
• Strong Linux skills, including proficiency in lifting 75 lbs.
• Ability to work 24/7 in a fast-paced environment with excellent prioritization and time management skills.

Preferred Skills and Experience

• Experience being on-call and responding to critical events as needed.
• Experience leading Data Center Infrastructure projects.
• Curious to always learn new things within the Data Center World.
• Excellent prioritization and time management skills.
• Able to work in a fast-paced environment and detail-oriented.
• 1+ year of experience in structured cabling copper/fiber.
• 1+ year of experience in power and cooling concepts inside the data center.

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Key Responsibilities:

• Design, implement, and optimize high-performance, low-latency network architectures for HPC environments, including InfiniBand, RoCE, and high-speed Ethernet.

• Collaborate with HPC, DevOps, and AI research teams to integrate networking solutions with compute clusters, storage systems, and cloud platforms.

• Troubleshoot and resolve complex network issues to minimize downtime and maximize performance.

• Follow escalation procedures and ensure solutions are provided in a timely manner. Ensure escalation is progressing accordingly with the given severity.

• Monitor network performance, capacity, and security, implementing improvements as needed.

• Stay updated with emerging HPC networking technologies and best practices, and drive their adoption within Mistral.

• Develop and maintain documentation for network architectures, configurations, and operational procedures.

Qualifications & Experience:

Technical Skills:

• Proficiency in HPC networking protocols (InfiniBand, RoCE, TCP/IP, MPLS).

• Hands-on experience with network hardware (switches, routers, NICs) from vendors like Mellanox, Cisco, or Arista.

• Knowledge of network automation tools (Ansible, Python scripting).

• Familiarity with HPC environments, parallel computing, and distributed systems.

• Experience with network security best practices.

Soft Skills:

• Strong problem-solving and analytical skills.

• Ability to thrive in a fast-paced, collaborative environment.

• Excellent communication skills (English required; French is a plus).

• Teaching and documentation skills to ensure knowledge is archived and distributed to team members.

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