Shiva C

Experience

1. Senior Software Security Engineer

   Humana

   Apr 2024 — Present · Houston, TX, US

   Designed and implemented enterprise-scale IAM solutions, supporting users across hybrid on-premises and cloud environments.•Administered and fine-tuned zScaler ZPA for secure, seamless remote access, reducing connectivity-related incidents by 30%.•Deployed and managed CyberArk PAM for privileged account protection, including vaulting, rotation policies, and session monitoring.•Built PowerShell automation frameworks for user provisioning, password resets, and access recertifications, cutting manual work by 45%.•Oversaw Active Directory forest management, including OU design, replication monitoring, and advanced troubleshooting.•Streamlined hybrid identity by maintaining MS Entra Connect Sync, ensuring near real-time synchronization with Azure AD.•Provided VMware vSphere and Azure VM administration, including patching, provisioning, and access controls.•Delivered IAM support for Windows Server (2012–2019) and Linux RHEL systems, improving system uptime and reliability.•Collaborated with InfoSec and Audit teams during SOX and ISO compliance audits, ensuring zero high-severity findings.•Led user lifecycle automation initiatives, integrating IAM workflows with HR systems to reduce onboarding time by 60%.•Resolved high-priority incidents involving VPN, SSO, and access management in a 24/7 production environment.•Mentored junior engineers and developed training sessions on IAM governance, tools, and security practices.