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Sr. Security Engineer

US-VA Arlington💼 Full-time💰 $115,000–$115,000🗓 2026-06-29 → 2026-09-26

Core

Senior Security Engineer evolving enterprise security posture across network infrastructure, cloud services, SaaS platforms, and emerging AI systems.

Role type

Senior IC Security Engineer (Network, SaaS, AI)

Builds

Secure network infrastructure, SaaS security controls, and AI security governance frameworks

Domain

Real Estate Technology / Cloud Security / AI Security

Deliverable

production ML models | product features | infrastructure

Required skills

AWS networking (NACLs, Security Groups, Transit Gateway), NGFW/WAF management, SaaS security (CASB/SSE), Python/PowerShell scripting, network segmentation, threat modeling

Preferred skills

Identity-driven security (SSO, OAuth), Infrastructure-as-Code (Terraform), Large enterprise environment experience, AI system exposure

Technologies

AWS, NGFW, WAF, CASB, SSE, Python, PowerShell, Terraform, Azure DevOps

Responsibilities

Design and audit secure network changes (on-prem/cloud), enforce NGFW and load balancer policies, tune SaaS security tooling for data exfiltration detection, assess AI platform risks (prompt leakage, model access), develop reusable security review patterns, monitor AI telemetry for anomalous behavior

Seniority

Senior, hands-on IC

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