
Senior Security Engineer OT
Costa Mesa · Remote · Washington · Costa Mesa, CA (OC-00) · USD 1-1 · Full-time · Remote · Posted Sep 29, 2026
At a glance
- Employment
- Full-time
- Workplace
- Remote
- Location
- Costa Mesa · Remote · Washington · Costa Mesa, CA (OC-00)
- Salary
- USD 1-1 · Base salary
About the role
- Anduril's Security Engineering team is looking for a security engineer to focus on building world class defensive controls to protect the infrastructure around advanced defense technology products.
- This role has a direct focus on securing Anduril's OT (Operational Technology) and ICS (Industrial Control Systems) environments.
- The engineer will design and implement foundational security solutions playing a critical role in Anduril's rollout of cutting edge factory systems.
Responsibilities
- Lead OT risk assessments, gap analyses, and develop a multi-year OT security roadmap
- Architect and implement defensive security controls for cloud, production, and corporate environments
- Support the deployment, configuration, and maintenance of security tools
- Build systems to support automation, visibility, and threat detection for efforts across various information security and infrastructure teams
- Independently drive security initiatives and foster a security-first mindset across the organization
- Work closely with factory production teams to review designs and use-cases, ensuring environments are secure by design
Requirements
- Experience with routing, switching, and network design principles
- Familiarity with zero trust architecture and segmentation strategies when it comes to OT networks
- Experience conducting security architecture or design reviews for OT/ICS environments
- Experience with threat modeling frameworks and applying these concepts to the OT/ICS domain (e.g. MITRE ATT&CK for ICS)
- Experience with programming in one or more general purpose languages (Python, Go, Rust, etc)
- Experience developing and implementing defensive controls in corporate and industrial production environments
- Ability to work autonomously and take ownership of complex projects
- Have participated in or supported incident response events
- Eligible to obtain and maintain an active U.S. Top Secret security clearance
- Ability to travel up to 50%
Preferred qualifications
- Familiarity with OT protocols (e.g., Modbus, DNP3, Ethernet/IP) and ICS environments
- Experience with specific ICS/SCADA vendor platforms (Siemens, Rockwell, Honeywell, etc.)
- Experience building bespoke solutions in high-growth high-complexity network environments
- Strong experience with Linux operating systems
Benefits
- Highly competitive equity grants included in the majority of full time offers
- Top-tier benefits for full-time employees available at little to no cost
Workplace
- Ability to travel up to 50%
Skills
- Python
- Go
- Rust
- Linux
- Modbus
- DNP3
- Ethernet/IP