Senior Security Engineer

The role

The Senior Security Engineer will architect and operationalize security across infrastructure, platform, CI/CD, and application layers. This person will lead federal compliance readiness and build continuous compliance workflows for the platform team.

What you will do

• Architect and operationalize security across infrastructure, platform, CI/CD, and application layers using AWS and Terraform
• Lead readiness across federal compliance frameworks like FedRAMP, CMMC, and DoD Impact Levels
• Translate NIST 800-53 and related controls into engineering implementations
• Own SSPs, POA&Ms, and technical policy documentation
• Build continuous compliance and audit-readiness workflows
• Use automated AI-driven security scanning and hardened-image platforms
• Establish secure software supply chain practices including SBOMs, image signing, and workload identity
• Own the technical relationship with assessors, auditors, and federal security stakeholders
• Drive a secure-by-default engineering culture

Required qualifications

• 5+ years of hands-on experience building and securing cloud-native platforms in AWS and Terraform
• Direct experience with federal authorization work in FedRAMP, CMMC, DoD IL, or comparable regulated environments
• Deep familiarity with NIST 800-53
• Strong working knowledge of modern supply chain security: SBOMs, image signing, workload identity, secure CI/CD
• Track record operating effectively in early-stage or fast-moving environments

Nice to have

• Supported federal SaaS, defense tech, or regulated infrastructure companies through accreditation
• Led a company through its first federal authorization
• Hands-on experience with Chainguard, AI-powered security tooling, or similar platforms
• Worked with platforms like Second Front or similar federal compliance accelerators

Benefits

• 100% medical coverage through Oxford/United (Gold and Platinum PPO plans)
• 100% dental coverage through Guardian PPO
• 100% vision coverage through Beam
• 100% coverage for dependents
• $100,000 in fully paid life insurance
• FSA and Dependent Care FSA
• One Medical membership
• Fertility and family-building support through Carrot
• 401(k) with a 2% company match
• 16 weeks of fully paid parental leave for birthing parents
• 10 weeks fully paid for non-birthing parents
• Unlimited PTO with a two-week minimum

About the company

Kaizen powers America’s application layer by replacing legacy federal systems with modern software. Founded in 2022, the company is based in New York City and DC.