Senior Software Engineer, PKI

The posting, as CoreWeave wrote it

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 .

What You'll Do

The Security Foundations organization at CoreWeave keeps CoreWeave Cloud secure by design, from data centers and GPU fleets to the platform layers powering our customers' AI workloads. The PKI & Secrets team owns the cryptographic infrastructure underpinning the confidentiality, integrity, and authenticity of CoreWeave's data and systems: PKI, secrets management, HSMs, key management, and code signing.

We partner with teams across the company to deliver cryptographic services that are secure, reliable, and easy to use at scale.

About the Role

As a Senior Software Engineer on the PKI & Secrets team, you will shape how CoreWeave manages cryptographic infrastructure across its global fleet. You'll design and operate our attestation infrastructure in particular, which guarantees that every component in our cloud runs untampered and expected firmware software and its dependencies. This work is directly relevant to ensuring CoreWeave cloud is a trusted environment for our customers to use and is a critical part of our infrastructure.

The team also broadly owns PKI hierarchies, secrets management platforms, HSM infrastructure, and key management systems.

In this role, you will

• Contribute to the design, implementation, and operation of CoreWeave's Attestation Service that measures and validates our cloud infrastructure’s integrity backed by hardware root of trust.
• Manage and evolve gathering verifiable data from our environment at scale, asserting trust and confidence that feeds into the lifecycle and governance of our infrastructure.
• Do hands-on work in the Root of Trust and Identity space such as HSM Infrastructure, key management, PKI solutions and their integration with many platforms and products across CoreWeave.

Who You Are

• (5)+ years of experience in security engineering or infrastructure engineering.
• Bachelor’s degree in Computer Science or related field
• Strong understanding of PKI concepts including CA hierarchies, certificate profiles, issuance policies, revocation, and trust distribution.
• Proficiency in Go, Python, or similar languages, with the ability to build production tooling and automation.
• Experience with Kubernetes

Preferred

• Experience building Attestation Service to verify integrity of machines.

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
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Account

• Tuition Reimbursement
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health
• Family-Forming support provided by Carrot
• Paid Parental Leave
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment
• A work culture focused on innovative disruption

California Applicants

California Consumer Privacy Act

Equal Opportunity & Accommodations

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.

As part of this commitment and consistent with the Americans with Disabilities Act (ADA) , CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com .

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.