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Sr. Security Engineer, Leo Security

Redmond, Washington, United States💼 Full-time💰 $178,400–$226,700🗓 2026-04-22 → 2026-07-31

Core

Establishing product-specific security bars, threat models, and priorities for a satellite constellation providing broadband connectivity to unserved communities.

Role type

Senior Security Engineer (Satellite/Cloud)

Builds

Mission-critical security systems and mechanisms for a satellite broadband network

Domain

Satellite communications, Cloud-native security, Embedded systems

Deliverable

production ML models | product features | infrastructure

Required skills

Scripting and programming, Security code review, Security assessments, Distributed systems security, Cloud-native security, Embedded systems security, Mentoring, Technical leadership

Preferred skills

Cybersecurity degree, Technical security assessments, Security tool development, Satellite communications software, Low-level programming

Technologies

Python, Java, Rust, GoLang, C/C++

Responsibilities

Define security priorities and threat models, Collaborate with business leaders on security strategy, Assess technical debt and risk in builder teams, Guide teams to secure-by-default solutions, Assist Red Teams in penetration testing, Mentor engineers to become security advocates

Seniority

Senior, hands-on IC with leadership responsibilities

Rewrite
## Project Overview Project Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband network connectivity to unserved and underserved communities around the world. ## Responsibilities - Establish product-specific security bars, threat models, and security priorities to ensure consistent security execution across the business. - Identify design & implementation defects and support product development processes by providing consultation on difficult security decisions. - Collaborate with business leaders to define security priorities and support product leaders by acting as a trusted advisor. - Guide teams towards outcomes that produce products that safely handle customer data and help leaders measure their org's security execution. - Collaborate with builder teams to assess technical debt and risk, providing strategic direction to address vulnerabilities and fortify products. - Lead the burn down of long-term risk and guide teams towards solutions that are secure by default. - Invent and propose secure-by-default solutions if they don't exist, leveraging automation teams to find discoverable vulnerabilities. - Advocate for the creation and deployment of new testing tools and detection mechanisms. - Enable builder teams to become proactive and self-sufficient on security by understanding their build processes and ensuring appropriate security linting and static analysis tools are used. - Instill a security culture in builder teams and mentor builders who aspire to become security advocates and engineers through 1-1 sessions and office hours. - Assist Red Teams in identifying security testing priorities, scoping penetration tests, and deep-diving on engagements. - Investigate emerging security issues, root cause them, and devise mechanisms to prevent them. - Propose a security vision for the business that protects customers. - Hack on really cool bleeding edge tech. ## Requirements - Must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. ## Nice to Have - Diverse experiences and alternative career paths are encouraged. ## Benefits - Work in a start-up like environment backed by Amazon’s infrastructure. - Opportunity to instill a security culture in the organization. - Career growth and training resources. - Flexible work hours and arrangements. - Inclusive team culture and DEI events. - High bar for customer security and impactful work.
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