Seeking a Senior Security Platform Engineer to join a hybrid, US-based team, this full-time position will manage the automation, hardening, and deployment of security tooling and architecture across hybrid IT and Operational Technology environments. Key responsibilities Partner with the Security Team to automate compliance baselines into configuration management playbooks Build and scale automated infrastructure-as-code (IaC) deployments for operational environments Collaborate with team members to automate user provisioning and access management through APIs and IaC methodologies Required qualifications 5-10 years of experience in platform engineering, system administration, cloud engineering, or DevSecOps with a focus on security and automation Hands-on experience deploying and configuring enterprise security tooling Proficiency in managing infrastructure-as-code (IaC) using tools like Cloudformation, Terraform, or Ansible Strong AWS cloud engineering background, including experience with network topology automation and native security services Must be a U.S. Citizen with the ability to obtain a Secret Clearance and DoD NIPR network account