Senior Network Security Engineer – Satellite & OT

Amazon.com Services LLC - A57; Arlington (VA); On-site; USD 180,000 - 240,000; Full time

Job summary

Amazon Leo seeks a senior security engineer to own network security across Leo's heterogeneous environments—IT, OT/SCADA, lab, launch operations, and ground stations. You will define security standards and drive detections from concept to production.

You will analyze detections, model threats for deployments, and partner with infrastructure and site operations to harden networks. The role requires 5+ years in scripting and networking and a passion for securing complex industrial environments.

Qualifications

• 5+ years of scripting, programming, and security code review.
• 5+ years of troubleshooting systems issues, analyzing logs, or automating basic tasks using command line tools.
• Knowledge of networking protocols such as HTTP, DNS and TCP/IP.
• Bachelor's degree in a relevant field.

Responsibilities

• Analyze and deploy detections to production networks, leveraging automation and tooling to identify vulnerabilities and surface security events.
• Conduct threat modeling for network deployments across environments and locations, including OT/ICS topologies.
• Build and maintain a network security assessment framework that holds each deployment type - including OT/SCADA environments - to a consistent bar.
• Translate network and OT/ICS security risks into findings with clear severity and business impact; communicate them to security leadership and drive mitigations.
• Develop and maintain security documentation: network security standards, assessment runbooks, and detection coverage maps.
• Partner with infrastructure and site operations teams to implement network security mitigations and hardening measures.
• Contribute to incident response when network-based threats are detected, including containment, investigation, and post-incident improvement.

Skills

Scripting

Troubleshooting

Networking

Education

Bachelor's degree

Job description

Amazon Leo seeks a senior security engineer to own network security across Leo's heterogeneous environments—IT, OT/SCADA, lab, launch operations, and ground stations. You will define security standards and drive detections from concept to production.

You will analyze detections, model threats for deployments, and partner with infrastructure and site operations to harden networks. The role requires 5+ years in scripting and networking and a passion for securing complex industrial environments.