Sphinx Defense

About Sphinx Defense

Sphinx Defense crafts advanced software to solve the most complex national security challenges for America and its allies, with a particular focus on space communications. You will build high-performance solutions that secure and streamline satellite operations and ground data transport. We address critical needs, ensuring vital data moves securely and efficiently between terrestrial systems and space assets. Our work underpins command, control, and communication for high-stakes missions, contributing directly to national security.

How We Work

You will find a mission-driven engineering culture at Sphinx Defense. The team emphasizes collaboration, transparency, and individual responsibility. You will work alongside talented, motivated colleagues who value humility and rigor. Sphinx Defense operates with a distributed team across the United States, offering flexible work schedules while maintaining strong accountability and purpose. Leaders are hands-on, providing clarity, support, and transparency, ensuring your work directly connects to real-world missions.

Engineering at Sphinx Defense

At Sphinx Defense, engineers build modern, scalable products using open-source technologies to overcome outdated and insecure systems in national security. You will develop custom software and proprietary platforms for faster, smarter, and more secure satellite operations. Engineers tackle challenges in ground-to-orbit communications, ensuring reliable data flow and comprehensive communications planning for military and commercial satellite networks. This includes optimizing bandwidth, scheduling links, and securing terrestrial data movement. The technical approach prioritizes speed, precision, and real-world impact, focusing on intuitive and mission-ready tools.

Why Join Us

• Solve real-world, complex national security problems in space, making a tangible impact on critical missions.
• Work in an engineering-led environment where high standards, low ego, and technical excellence are paramount.
• Contribute to building next-generation software with modern, open-source technologies.
• Receive competitive compensation, meaningful equity ownership, and profit sharing.

Benefits & Perks

• Competitive salary ($133,000 - $185,000 base salary for listed roles)
• Meaningful equity ownership
• Profit sharing
• Employer 401(k) contribution
• 100% employer-covered medical, dental, and vision insurance for you and your dependents
• Flexible work schedule
• Paid holidays, paid sick days, and flexible time off
• Job training & conferences and online course subscriptions available