Senior IT Infrastructure & Security Engineer

About the role

Scout AI is seeking a Senior IT Infrastructure & Security Engineer to design, build, and operate a secure network and infrastructure that protects CUI data and maintains CMMC Level 2 compliance. You'll be our first dedicated networking hire, owning the entire stack from network architecture and data segmentation to device management and IT operations. Your primary focus is building a secure, compliant network foundation. This role combines network design, infrastructure-as-code, IT operations, and compliance.

Responsibilities

• Design and implement secure network architecture that protects CUI and enforces network segmentation per NIST SP 800-171
• Build and maintain CMMC-compliant infrastructure: access controls, encryption, monitoring, and audit logging
• Develop and maintain Scout's System Security Plan
• Implement network hardening, intrusion detection, and threat monitoring; manage firewall rules and VPNs
• Architect, deploy, and operate cloud and on-premises infrastructure supporting all Scout operations
• Provision and manage employee devices; maintain OS patches, software updates, and hardware refresh cycles
• Design and roll out identity management with automated provisioning
• Provide hands-on support for employee IT issues and help desk ticket triage
• Build infrastructure-as-code solutions to automate provisioning, configuration, and scaling
• Develop Python/Bash scripts to automate operational tasks and compliance validation
• Establish infrastructure monitoring, logging, and alerting as repeatable, auditable code
• Design and implement automated backup procedures and disaster recovery plans
• Respond to outages and security incidents; conduct root-cause analysis and remediation
• Coordinate with compliance team on CMMC requirements, audit preparation, and policy implementation

Requirements

• 7+ years hands-on network and infrastructure engineering in enterprise or defense environments
• CMMC and/or NIST SP 800-171 implementation
• Infrastructure-as-code proficiency
• Linux and Windows system administration; comfort with multiple operating systems
• Python or Bash scripting; automation-first mindset
• Deep understanding of network segmentation, access control, encryption, and compliance-driven architecture
• Experience with identity and access management
• Strong documentation discipline and meticulous attention to detail
• Excellent communication skills; ability to explain technical decisions to both technical and non-technical stakeholders
• Startup or scale-up infrastructure experience
• Experience building internal tools or scripts that scale operational efficiency
• Must be a U.S. Person due to required access to U.S. export controlled information or facilities
• Passion about defense of the United States and its allies
• May be expected to obtain and hold a U.S. Top Secret security clearance

Why Join Scout

• Work on the world's most important frontier, ensuring U.S. and allied dominance in the age of intelligent machines
• Be a core part of a team building the first defense-specific robotic foundation model
• Collaborate with some of the top engineers in autonomy, AI, and national security
• See your work deployed on real systems
• Help define the future of intelligent defense systems
• Backed by Draper Associates, Booz Allen Ventures, PerotJain and other top investors

Benefits

• Competitive compensation package including base salary and bonus
• Meaningful equity
• Premium medical, dental, and vision plans with $0 paycheck contribution
• Competitive PTO and company holiday calendar
• Catered lunch daily and fully stocked kitchen
• Unlimited AI tokens
• EV charging
• Relocation assistance (depending on role eligibility)

Pay

US Salary Range $175,000 - $225,000 USD