SkillBridge (Transitioning Military), Engineering

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to proactively enabling organizations to find, fix and verify exploitable attack vectors. The SkillBridge program offers transitioning military service members hands-on experience in offensive security, where participants will work alongside Attack Engineering and Vulnerability Research teams on real-world security challenges.

Responsibilities:

• Onboard into Horizon3.ai’s offensive engineering environment and workflows
• Develop software primarily in Python, focused on offensive automation
• Contribute to the development of attack modules that emulate real adversary behavior
• Assist with vulnerability research, exploit validation, and proof-of-concept development
• Learn how tradecraft is translated into safe, scalable autonomous pentesting capabilities
• Gain exposure to attacking modern enterprise environments, including Active Directory, cloud, and hybrid networks
• Collaborate with senior offensive security leaders and engineers — many of whom are veterans themselves

Requirements:

• Are within their final months of active-duty service and approved for SkillBridge
• Have a strong interest in offensive security, red teaming, penetration testing, or vulnerability research
• Bring a mission-driven mindset, ownership mentality, and bias for action
• Have foundational technical skills in areas like scripting, networking, cyber operations, or exploit development
• Are eager to learn, collaborate, and contribute to real-world attack engineering challenges