Security Engineer
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Overview
Job Description
About us
Relay is a cross-chain payments protocol that provides instant, low-cost cross-chain bridging, swaps, and transactions. We're the fastest and cheapest way to bridge and transact across chains, serving over 5 million users who have completed 59+ million transactions with $6+ billion in volume across 85+ chains.
Our company mission is to make transacting across chains as fast, cheap, and reliable as online payments. We are building the core infrastructure to abstract chains from end user payments, enabling the next billion users to experience the benefits of blockchain without the UX burdens. We are bringing the Relay Network to market through our consumer app (relay.link) and major ecosystem partners, including Opensea, Alchemy, LiFi, Metamask, Coinbase, and more.
About the role
As Relay scales, security and reliability deserve a dedicated owner. We're looking for a Security Engineer who will define and protect the worry-free infrastructure that millions of users depend on.
What you'll do
Own Relay's security posture
Lead threat modeling, vulnerability management, access controls, and dependency auditing
Map Relay's attack surface and document gaps
Harden CI/CD pipelines, secrets management, and least-privilege access
Build and maintain observability
Instrument monitoring, alerting, and dashboards that give the team real-time visibility into Relay's health
Define and enforce SLOs by setting availability and performance targets, and drive the team to meet them
Lead incident response
Own the incident response process end to end: triage when things break, run postmortems, and make sure the same issue doesn't happen twice
Drive compliance readiness
Prepare Relay for customer security reviews and formal certifications (SOC 2, etc.)
Embed security and reliability practices into team culture as we grow
About you
You're someone who owns outcomes, not just tasks
You proactively identify risks before they become issues
You're calm under pressure, a structured thinker during incidents, and a clear communicator when it matters most
You're comfortable working autonomously and know how to prioritize what matters most
You're excited about blockchain and understand the unique security demands of the space
Skills and abilities
Must-have
3+ years operating production infrastructure on AWS
Hands-on experience with security fundamentals including vulnerability management, access control, secrets management, and network security
Experience in crypto/blockchain infrastructure
Strong background in observability tooling (Datadog, PagerDuty, or similar)
Experience defining and operating against SLOs
Nice to have
Experience leading or contributing to SOC 2 or similar compliance certifications
Background in smart contract security or wallet/key management infrastructure
Familiarity with infrastructure-as-code (Terraform)
Prior experience as a first security/reliability hire at a startup
Relevant certifications (AWS Security Specialty, CISSP, etc.)
What we offer
Competitive base salary
Equity package
Comprehensive health benefits
Unlimited PTO policy with encouraged minimum
Remote-first culture with emphasis on collaboration, communication, and flexibility
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Submit 10x as many applications with less effort than one manual application.
