Senior Network Security Engineer - OT/IT, Flexible Hours

Amazon; Seattle (WA); On-site; USD 178,000 - 227,000; Full time

Job summary

Amazon Leo is building a global satellite network and seeks a senior security engineer to own network security across Leo's heterogeneous environments, from corporate IT to OT/SCADA and launch operations. You will develop detection coverage, drive security postures, and collaborate with infrastructure and site operations to implement mitigations.

You will analyze detections, model threats for deployments, and maintain security runbooks with a focus on OT/ICS environments, reporting to security

Qualifications

• 5+ years of scripting, programming, and security code review (non-internship).
• 5+ years of troubleshooting systems issues, analyzing logs, or automating basic tasks using command line tools (non-internship).
• Knowledge of networking protocols such as HTTP, DNS and TCP/IP.
• Bachelor's degree in a STEM field or IT Security experience.
• Knowledge of vulnerabilities and remediation techniques.
• Experience with network security including architecture review, segmentation, firewall/ACL management, detection, or incident response.

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 across deployments, including OT/SCADA environments.
• 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 knowledge

Security engineering

Threat modeling

Education

Bachelor's degree in STEM or IT Security

Tools

AWS networking

Job description

Amazon Leo is building a global satellite network and seeks a senior security engineer to own network security across Leo's heterogeneous environments, from corporate IT to OT/SCADA and launch operations. You will develop detection coverage, drive security postures, and collaborate with infrastructure and site operations to implement mitigations.

You will analyze detections, model threats for deployments, and maintain security runbooks with a focus on OT/ICS environments, reporting to security