About Horizontal: Established since 2003 in the US, Horizontal solves complex challenges across two distinct businesses: Horizontal Digital and Horizontal Talent. We are consistently recognized for being a top workplace and one of the fastest growing private companies. Horizontal Talent specializes in staffing for IT, Digital & Creative and Business & Strategy markets. We have global offices in US, UAE, India, and Malaysia.

About the Role

Key Responsibilities

• Support ongoing operational activities, incident management, and issue resolution related to the Microsoft certificate lifecycle ecosystem.
• Manage and maintain certificate lifecycle processes across enterprise environments, ensuring security, compliance, and service reliability.
• Work with Venafi, Microsoft PKI, and certificate integration platforms including CAPI, JDK, F5, AWS Certificate Manager (ACM), and Venafi REST APIs.
• Develop and maintain automation solutions using PowerShell and REST APIs to improve operational efficiency and reduce manual effort.
• Collaborate with cross-functional teams to implement and support certificate management solutions across various infrastructure platforms
• Drive process improvements, automation initiatives, and operational excellence within the PKI and certificate management domain.

Required Skills & Experience

• Strong hands-on experience with Venafi and Microsoft PKI.
• In-depth understanding of certificate lifecycle management and integration patterns such as CAPI, JDK, F5, ACM, and Venafi REST APIs.
• Proficiency in PowerShell scripting and REST API-based integrations.
• Solid knowledge of infrastructure and server technologies, including:
  • Windows Server environment
  • Application infrastructure and enterprise standards
  • VMware and Hyper-V virtualization platforms
  • Physical and virtual server architectures
• Good understanding of networking concepts, including LAN/WAN, Firewalls, and VPN technologies.
• Working knowledge of Active Directory administration and integration.