Infrastructure Engineer IV

Overview

Hacker One is a global leader in Continuous Threat Exposure Management (CTEM). The Hacker One Platform unites agentic AI solutions with the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Solutions include bug bounty, vulnerability disclosure, agentic pentesting, AI red teaming, and code security, delivering measurable, continuous reduction of cyber risk for enterprises.

Notable customers include Anthropic, , General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense. Hacker One was named in Gartner’s Emerging Tech Impact Radar: AI Cybersecurity Ecosystem and was recognized as a Most Loved Workplace for Young Professionals (2024).

Hacker One is at a pivotal inflection point in the security industry. Offensive security is the standard for forward-thinking companies that want to build trust and resilience in a world where AI-driven innovation and adversaries are moving faster than ever. We combine the ingenuity of the largest security research community with a best-in-class AI-powered platform trusted by the world’s top organizations.

Hacker One is dedicated to fostering a strong and inclusive culture. We are Customer Obsessed and prioritize customer outcomes. We Default to Disclosure by operating with transparency and integrity, ensuring trust and accountability. Employees, researchers, customers, and partners Win Together by fostering empowerment, inclusion, respect, and accountability.

Position:
Infrastructure Engineer IC4

Location:

Remote (Boston, MA; Austin, TX; or Washington, DC area preferred)

As an Infrastructure Engineer IC4, you will contribute to building and operating the infrastructure that supports the Hacker One platform and the thousands of companies that rely on us to manage their security posture.

You are an individual contributor and collaborative team member with solid domain expertise in cloud infrastructure and reliability. You work effectively within your squad, take ownership of projects, and help improve the reliability, security, and scalability of our systems. You partner closely with application engineers and other stakeholders to deliver pragmatic, secure solutions.

You design and operate highly available cloud systems and apply best practices for reliability, observability, and security. You work cross-functionally with guidance, communicate clearly with stakeholders, and approach problems with a service-oriented mindset.

We embrace a Flexible Work approach that gives us the freedom to do our best work while fostering connections and community. This is a remote role targeted for candidates within ~50 miles of Boston, Austin, or Washington DC. Proximity and flexibility enable occasional in-person collaboration while preserving the benefits of remote work.

First 30 days

• Onboard with your squad and the broader engineering organization
• Learn Hacker One's infrastructure, tooling, and workflows (AWS, Terraform, Kubernetes, Ruby on Rails, Graph
  
  QL, etc.)
• Become familiar with reliability, security, and incident management practices

By 60 days

• Participate in the on-call rotation with support from teammates
• Take ownership of a scoped infrastructure project and deliver incremental improvements
• Build working relationships across engineering and adjacent functions

Beyond 90 days

• Independently deliver infrastructure changes that improve reliability, performance, or security
• Understand how infrastructure supports product and customer needs, and translate requirements into practical technical solutions
• Contribute to operational excellence through runbooks, automation, and system improvements

Ongoing Responsibilities

• Design, implement, and maintain cloud infrastructure using infrastructure-as-code
• Collaborate with cross-functional partners to execute on infrastructure initiatives
• Participate in an on-call rotation (one week every four weeks) and help maintain system reliability
• Contribute to a positive team culture by sharing knowledge and supporting teammates
• Continuously…