As a Senior Network Engineer, you participate in the implementation, and support of complex hybrid network infrastructures across global environments. This role demands a strategic mindset and deep technical expertise to deliver high-impact projects that align with enterprise security standards, performance optimization goals, and scalability requirements. You will help define and drive the evolution of IQVIA’s global network ecosystem transforming it into a programmable, automated, and platform-agnostic infrastructure. You will be responsible for planning, deploying, documenting, and maintaining both new (SoNIC, Cumulus) and existing (Cisco) network architectures in highly dynamic and secure environments. A strong understanding of Linux-based systems, network programmability, and infrastructure-as-code principles will be essential as you help build a globally consistent and scalable network foundation. Key Responsibilities Support SDN solutions, focusing on Cisco ACI across multiple data centers. Integrate AI-driven network monitoring and predictive analytics. Serve as a senior technical advisor to Tier 2 engineers, providing mentorship and consultation. Provide expert-level support during major incidents, including root cause analysis and resolution planning. Translate Global Network Support (GNS) standards into actionable low-level designs, including hardware quoting and documentation. Partner with Mergers & Acquisitions (M&A) and Global Real Estate teams to integrate new acquisitions into IQVIA’s network standards Lead network buildouts, office restack implementations, and refresh initiatives Lead strategic network projects across departments, regions, and time zones. Automate implementations across platforms: Generate and deploy F5 configurations, Palo Alto firewall rules, and Cisco ACI policies through Ansible, Python, Terraform, and/or API-driven automation. Implement CI/CD pipelines to validate and roll out network and security changes safely and repeatably. Implement and support network segmentation strategies for zero-trust architectures and compliance mandates. Oversee incident response and escalation workflows, ensuring timely resolution and stakeholder communication. Maintain DNS (BIND), IPAM, and domain name services across enterprise environments with automation-first principles. Support branch office automation initiatives using Cisco DNA Center and other vendor platforms.