Senior Network Engineer II

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com .

We're proud to be a Living Wage accredited Employer.

What You'll Do:

CoreWeave is looking for an experienced Senior Network Engineer to join our rapidly growing Data Center Network Engineering Team. This role is focused on deploying, scaling, and operating large-scale data center network infrastructure. The team is responsible for bringing new network capacity online across data centers and ensuring the network is stable, reliable, and ready to support production workloads.

About the role:

Quickly adapt to a rapidly changing environment and learn new emerging networking technologies

Design and deploy consistent large scale networks rapidly, leveraging automation

Plan, deploy, operate, and scale multi-tier data center network fabrics (Clos / spine-leaf) across multiple data centers

Drive end-to-end network deployments, including:

Rack layout planning

Cabling and optics validation

Configuration generation and deployment

Post-deployment validation and testing

Work closely with data center technicians (DCTs) to execute builds (rack, cable, power, optics)

Validate network readiness before handing off to production traffic

Troubleshoot complex issues across:

Control plane (BGP, routing policies)

Data plane (ECMP, packet loss, latency)

Physical layer (interfaces, optics, cabling)

Perform network changes and deployments with a strong focus on:

Blast radius awareness

Rollback planning

Operational safety

Participate in peer reviews, design discussions, and architectural decisions

Contribute to documentation, runbooks, and deployment procedures

Partner with internal teams (automation, DC ops, engineering) to improve deployment workflows

Share your knowledge and guide junior team members, fostering a culture of continuous learning and improvement

Who You Are:

7+ years of experience in network engineering

Experience managing data center network fabrics (Clos / spine-leaf)

Deep understanding of:

BGP (required)

EVPN / VXLAN (preferred)

Routing and switching fundamentals

Experience deploying or operating large-scale network infrastructure

Working knowledge of automation and scripting (Python preferred) for tasks such as configuration generation, validation, and operational troubleshooting

Strong troubleshooting skills across multiple layers (L1–L3+)

Experience working with:

Network hardware (routers, switches)

Optics and cabling (e.g., QSFP, fiber)

Experience managing or driving deployments with remote hands / data center technicians

Preferred:

Experience with multi-site or multi-region data center deployments

Familiarity with capacity planning and scaling network infrastructure

Experience with network monitoring and observability tools

Basic scripting ability (Python preferred) for Validation, Configuration generation, Troubleshooting

Experience working in hyperscale or large distributed environments

Wondering if you're a good fit?

We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match.

Why CoreWeave?

At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:

Be Curious at Your Core

Act Like an Owner

Empower Employees

Deliver Best-in-Class Client Experiences

Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff, the organization's growth opportunities are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us!

The starting salary will be determined by job-related knowledge, skills, experience, and the market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).

To fulfill 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.

Equal Opportunity

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.

Recruitment Agencies

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 [email protected] . Controller’s data protection officer can be contacted at [email protected] . Your personal data will be processed for the purposes of managing Controller’s re