Senior Engineer - HPC Network
CoreWeave
Network Engineer, HPC Network
We are looking for a highly motivated HPC Network Engineer to support the deployment and management of large-scale data center infrastructure. This role places you at the forefront of high-performance computing technologies, with a strong focus on Infiniband (IB) systems. You’ll work closely with global teams and customers to ensure optimal system performance, reliability, and scalability while driving continuous improvement through automation and operational excellence.
Key Responsibilities
- Deploy and manage Infiniband network systems in high-scale data center environments.
- Oversee the end-to-end lifecycle of IB hardware and software components.
- Develop and maintain tools to automate deployment, monitoring, and troubleshooting workflows.
- Analyze and resolve complex network performance, connectivity, and stability issues.
- Collaborate cross-functionally with internal teams and external customers around the globe to ensure high-quality outcomes.
- Participate in a rotating on-call schedule to provide 24/7 operational support.
Required Qualifications
- Hands-on experience with Infiniband networking technologies.
- Strong foundational knowledge of networking concepts and protocols.
- Experience using Grafana and PromQL for monitoring and visualization.
- Proficient in Linux systems administration.
- Experience with infrastructure-as-code tools such as Ansible and HELM.
- Proficiency in at least one scripting or programming language (e.g., Python, Go).
- Strong problem-solving skills with a proven track record in troubleshooting complex infrastructure and application issues.
- Familiarity with diagnosing issues at the network and server hardware component level.
- Excellent verbal and written communication skills, with a collaborative mindset.
Preferred Qualifications
- Experience operating large-scale environments with 1,000+ switches or nodes.
- Background in data center networking.
- Exposure to HPC-specific workloads and architectures.
- Familiarity with NVIDIA UFM (Unified Fabric Manager).
- Experience with NCCL (NVIDIA Collective Communications Library).
The base pay and target total cash for this position range from $165,000 to $220,000 and [ttc $190,000] to [ttc $253,000], accordingly. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. This position includes a discretionary bonus, equity, and a comprehensive benefits package.
To fulfil our obligation to protect client data, successful applicants offered employment with CoreWeave will be required to complete a basic criminal record check, conducted in compliance with GDPR. Employment offers are conditional upon receiving satisfactory check results
What We Offer
In addition to a competitive salary, we offer a variety of benefits to support your needs, including:
- Family-level Medical Insurance
- Family-level Dental Insurance
- Generous Pension Contribution
- Life Assurance at 4x Salary
- Critical Illness Cover
- Employee Assistance Programme
- Tuition Reimbursement
- Work culture focused on innovative disruption
Benefits may vary by location.
Our Workplace
While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration
CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.
CoreWeave does not accept speculative CVs. Any unsolicited CVs received will be treated as the property of CoreWeave and your Terms & Conditions associated with the use of CVs will be considered null and void.
Any unsolicited CVs sent by your company to us – that is to say, in any situation where we have not directly engaged your company in writing to supply candidates for a specific vacancy – will be considered by us to be a “free gift”, leaving us liable for no fees whatsoever should we choose to contact the candidate directly and engage the candidate’s services, and will in no way establish any prior claim by your company to representation of that candidate should the candidate’s details also be submitted by any other party.
Export Control Compliance
This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.
Updated privacy notice - UK and EU Job Applications
When you apply to a job on this site, the personal data contained in your application will be collected by CoreWeave UK Ltd. (“Controller”), which is located at
Phosphor (6th Floor), 133 Park Street, London, SE1 9EA
and can be contacted by emailing careers.eu@coreweave.com. Controller’s data protection officer can be contacted at privacy@coreweave.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of (i) Regulation (EU) 2016/679 (General Data Protection Regulation (“GDPR”) and (ii) the GDPR as it forms part of the laws of the UK (“UK GDPR”), as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment. Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. With respect to transfers originating from the UK or the European Economic Area ("EEA") to a country outside the UK or the EEA, we implement the appropriate transfer mechanism(s) and other appropriate solutions to address cross-border transfers as required by applicable law. You may request a copy of the suitable mechanisms we have in place by contacting us at privacy@coreweave.com
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Where permitted by applicable law, we may also retain your personal data for a limited period after the recruitment process ends in order to consider you for future job opportunities, respond to legal claims, or comply with record-keeping obligations. Under the GDPR and the UK GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with the relevant supervisory authority: (i) A list of Europe’s data protection authorities can be found here; and (ii) for the UK, this is the Information Commissioner's Office.
For additional information, please see our Privacy Policy.