Sr. Security Engineer, Embedded Software

Welcome to Planet. We believe in using space to help life on Earth.

Planet designs, builds, and operates the largest constellation of imaging satellites in history. This constellation delivers an unprecedented dataset of empirical information via a revolutionary cloud-based platform to authoritative figures in commercial, environmental, and humanitarian sectors. We are both a space company and data company all rolled into one.

Customers and users across the globe use Planet's data to develop new technologies, drive revenue, power research, and solve our world's toughest obstacles.

As we control every component of hardware design, manufacturing, data processing, and software engineering, our office is a truly inspiring mix of experts from a variety of domains.

We have a people‑centric approach toward culture and community and we strive to iterate in a way that puts our team members first and prepares our company for growth. Join Planet and be a part of our mission to change the way people see the world.

Planet is a global company with employees working remotely world wide and joining us from offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.

As a Senior Security Engineer, Embedded Software in Planet's Satellite Security Team (Sat Sec) you will work on a variety of projects and tasks to secure Planet's space‑related systems. The Sat Sec team's mission is to secure Planet's space related systems to enable Planet's earth imaging and data solutions mission.

You will work with other members of the Sat Sec and Space Systems Engineering teams, especially Flight Software, the FPGA and Mission software teams, as well as Manufacturing and Mission Operations. You will do some development of software security tools and automation, security review of software, and maintenance of systems critical to the Sat Sec team's mission. You will work on some projects on your own, and others in collaboration with development and operational teams to ensure the systems satisfy the security and operational goals.

The position has a practical security focus.

The ideal candidate is someone with embedded software development experience, together with some security experience who now wants to make security the focus, while doing software development, security design, security code review, as well as other operational responsibilities.

This is a full‑time, hybrid role which will require you to work from our San Francisco HQ 3 days per week.

• Developing small software security tools
• Security focused code review of satellite and ground based software (using team's review guidelines)
• Review of / writing automation to review security test results
• Security design reviews (once are familiar with the satellite system)
• Setup and testing launch racks or lab equipment
• Running PEN tests
• Maintaining systems critical to the Sat Sec team's mission, such as Hardware Security Modules
• Network traffic analysis
• Assisting with some corporate systems as needed
• Ad hoc duties depending on engineering projects underway

• Experience with embedded systems
• Experience with encryption and cyber security concepts
• 6+ years of work experience in computer science, software engineering, electrical engineering or similar
• Proficient in C and Python
• Familiarity with open source tools and frameworks
• Excellent technical and interpersonal skills

• Experience in embedded systems in the automotive, aerospace or medical sectors
• Experience with networking and Cloud computing systems like AWS or GCP
• Experience automating tests

October 22, 2025 by 11:59 PM PDT

This position requires access to export‑controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate's ability to access all applicable export‑controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.

• Comprehensive Medical, Dental, and Vision plans
• Health Savings Account (HSA) with a company…