Senior Offensive Security Engineer
Astranis - San Francisco
Posted Dec 10, 2025
Benefits
- Parental leave
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- Non-birth-parent leave
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- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
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- Childcare support
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- Learning budget
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- 401(k) match
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- Weekend work
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Where they hire
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About this role
Senior Offensive Security Engineer San Francisco Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. Senior Offensive Security Engineer As a Senior Offensive Security Engineer, you will lead penetration testing and adversarial simulation efforts targeting our applications, cloud infrastructure, and corporate networks. You will emulate real-world attackers to identify weaknesses across the software and IT stack, and work closely with engineering and IT teams to improve our defenses. Your focus is offensive testing of application and enterprise systems. Role - Offensive & Penetration Testing (Primary) - Perform penetration tests of web apps, APIs, backend services, cloud infrastructure, and corporate networks. - Conduct threat emulation exercises, red-team scenarios, and targeted attack simulations. - Assess CI/CD pipelines, IAM configurations, and internal services for exploitable weaknesses. - Lead offensive security initiatives and serve as
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