Senior Security Architect — Private AI Cloud Infra

Aionia Group; Reston (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

Aionia Group is seeking a Senior Security Infrastructure Engineer in Reston, VA, to design and implement core security controls for sensitive AI cloud environments. The ideal candidate will have strong experience securing infrastructure at the systems level and prefers building systems over managing security tools. Responsibilities include implementing security across compute and networking layers, automation with IaC, and collaborating with engineering teams to ensure secure designs. Join a team passionate about secure foundations for advanced AI infrastructure.

Qualifications

• Experience securing infrastructure at the systems level, not just policy or compliance.
• Prefers building systems rather than managing tooling from a distance.
• Able to move fluidly between engineering and security contexts.
• Thinks carefully about resilience, containment, and real-world operation.
• Motivated by building secure foundations for advanced AI infrastructure.

Responsibilities

• Implement security controls across core infrastructure.
• Secure containerized and distributed environments.
• Support secure infrastructure automation.
• Support secure secrets management and key lifecycle controls.
• Partner with teams for threat modeling and resilience planning.
• Collaborate across engineering teams.

Skills

Linux systems administration and security

Kubernetes and container security

Cloud or private infrastructure environments

Identity, secrets, and access control systems

Network segmentation and service-to-service security

Scripting or development in Go, Python, Rust, or similar

Job description

Aionia Group is seeking a Senior Security Infrastructure Engineer in Reston, VA, to design and implement core security controls for sensitive AI cloud environments. The ideal candidate will have strong experience securing infrastructure at the systems level and prefers building systems over managing security tools. Responsibilities include implementing security across compute and networking layers, automation with IaC, and collaborating with engineering teams to ensure secure designs. Join a team passionate about secure foundations for advanced AI infrastructure.