Security Engineer, Product Security, London, England, United Kingdom

Security Engineer, Product Security

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About Us

Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. Chainlink Labs helps power verifiable applications for banking, DeFi, global trade, and gaming by collaborating with some of the world’s largest financial institutions, notably Swift, DTCC, and ANZ. Chainlink Labs also works with top Web3 teams, including Aave, Compound, GMX, Maker, and Synthetix. Chainlink Labs was ranked as one of the Global Top 100 Most Loved Workplaces by Newsweek 2025.

The Security Team

The security department is the guardian of Chainlink Labs’ people and infrastructure. Its principal objective is to safeguard Chainlink Labs and its assets against potential threats from any external or internal source. This mission is accomplished through a combination of specialized security engineering, the deployment of cutting-edge technologies, forward-thinking policy development, and the training of highly skilled, security-aware personnel throughout the entire organization.

As an indispensable component of the larger organization, the team seeks to promote a widely understood culture of security, safeguarding our most valuable assets while remaining agile and accessible to all employees and the community.

About The Role

The Chainlink Labs Product Security team is looking for a driven and passionate Security Engineer to join our rapidly expanding team. You will help design and advise other teams on secure and scalable architectures, assist with their implementation, and develop entirely new and novel systems that protect Chainlink and the Web3 ecosystem. You’ll have the opportunity to help shape and secure the next generation of Web3 products and infrastructure.

What You Will Do

Build security tools and controls that are deployed across the company
Design, develop, and deploy new core security features to public Chainlink products like the Chainlink core node
Define new processes and systems that make attacks on our networks hard to execute and easy to detect
Immerse yourself in Chainlink’s upcoming engineering and non-engineering projects and ensure security is fundamental to their design and functionality
Help define, shape, and achieve the company’s broader security goals

Minimum Qualifications

Experience in Go or Rust
Experience in a security related function
Experience building security software or securing enterprise systems
Comfortable with *nix operating systems (including macOS)
Ability to adapt to fast changing environment and set of technologies

Desired Qualifications

Experience writing or auditing Solidity
Experience auditing or securing frontends (React, NPM)
Strong understanding of cryptography, including concepts such as TLS, FIDO, encryption, and public key cryptography
Familiarity with security analysis tooling and frameworks
Enthusiasm for the Ethereum (and other EVM compatible networks) with experience in tooling development, hardware wallets, and deployments
Experience working on open source software with a GitHub history to prove it

All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to overlap some working hours with Eastern Standard Time (EST).

We carefully review all applications and aim to provide a response to every candidate within two weeks after the job posting closes. The closing date is listed on the job advert, so we encourage you to take the time to thoughtfully prepare your application. We want to fully consider your experience and skills, and you will hear from us regarding the status of your application shortly after the closing date.

Commitment to Equal Opportunity

Chainlink Labs is an equal opportunity employer. All qualified applicants will receive equal consideration for employment in compliance with applicable laws, regulations, or ordinances. If you need assistance or accommodation due to a disability or special need when applying for a role or in our recruitment process, please contact us via this form.

Global Data Privacy Notice for Job Candidates and Applicants

Information collected and processed as part of your Chainlink Labs Careers profile, and any job applications you choose to submit is subject to our Privacy Policy. By submitting your application, you are agreeing to our use and processing of your data as required.

Seniority level

Seniority level
Entry level

Employment type

Employment type
Full-time

Job function

Job function
Information Technology
Industries
Technology, Information and Internet

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Location:: London, England, United Kingdom
Salary:: £150,000 - £200,000
Job Type:: FullTime
Category:: IT & Technology

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