Security Engineer

Air Space Intelligence is building mission-critical, secure infrastructure for defense and intelligence applications. We are seeking a Security Engineer to harden and maintain cloud and software environments, ensuring compliance with U.S. government security standards. As a Security Engineer, you will help harden and maintain ASI’s cloud and endpoint environment (AWS GovCloud and Microsoft GCC High) while supporting compliance with U.S. government security standards (e.g., NIST 800-171/CMMC and NIST 800-53).

• Demonstrated coding skills in Python/Rust
• Knowledge of container and CI/CD security (Kubernetes, image hardening, vulnerability scanning)
• Investigate & remediate vulnerabilities, escalating complex issues when needed
• Supply chain security experience (SBOM, artifact generation, dependency management)
• Lead threat modeling sessions using established industry methodologies (e.g., STRIDE, PASTA, etc.)
• Demonstrated skills in Infrastructure as a code (Terragrunt/Terraform).
• Practical exposure to federal security frameworks (CMMC, NIST 800-53, FedRAMP).
• Experience securing government cloud environments (AWS GovCloud), ensuring compliance with federal security requirements.
• Hands-on experience with cloud-native incident alerting services (e.g., AWS GuardDuty/Security Hub, Azure Defender, etc.)
• Automate configuration management, patching, and policy enforcement for networks, servers, and endpoints
• Monitor security events using SIEM tools (Microsoft Sentinel, Splunk)
• Collaborate with product, Platform, and compliance teams to embed security in the SDLC
• Support incident response and post-incident review, growing toward leading these efforts over time, * Security Clearance: Must be eligible to obtain DoD clearance.
• Citizenship: U.S. citizenship is required for this position.
• On-Site Presence: Ability to work in our Boston (BOS) office at least three days per week

ASI’s mission-critical technology powers decision-making across aviation, defense, energy, and other critical infrastructure domains. Backed by top-tier investors including Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI delivers operational decision superiority-compressing days of analysis into seconds of action. ASI is leading the way and pushing the boundaries of what’s possible., We view the interview process not as a screening or test, but rather as an opportunity to simulate what it would be like working together. We build the interview process around you.