Senior Network Systems Engineer

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.

Required Skills and Expertise

• Extensive experience with software-defined networking technologies (Cisco ACI, SoNIC, Cumulus Linux, or equivalent), including the ability to:Deploy Cisco ACI fabric including spine-leaf topology, APIC controllers, and policy-based configurations.Configure multi-pod and multi-site Cisco ACI environments for scalability and redundancy.Implement L4–L7 service insertion using service graphs and contracts.
• In-depth understanding of Linux networking, kernel-based switching, and open-source routing stacks (FRR, BIRD, and Quagga).
• Proven experience developing and deploying infrastructure-as-code for network and security platforms (Ansible, Terraform, Git, YAML, JSON).
• Experience automating configurations and policy enforcement across:Cisco ACI and DNA CenterF5 load balancers (iControl REST, AS3 templates)Palo Alto firewalls and Panorama (REST and XML APIs)
• Proficiency in routing and overlay technologies (BGP, EIGRP, VXLAN/EVPN, OSPF, etc) and switching.
• Experience in SDWAN deployments and support.
• Understanding of network segmentation, zero-trust access, and security frameworks.
• Familiarity with cloud networking platforms including AWS Direct Connect, Azure ExpressRoute, and hybrid/on-prem cloud solutions.
• Experience with packet capture analysis, network monitoring, performance tuning, and capacity planning.
• Strong organizational and communication skills, with the ability to manage multiple priorities and stakeholders.
• Ability to foster effective working relationships across global teams and drive consensus in complex environments.

Qualifications

• Bachelor’s degree in Computer Science, Electrical/Computer Engineering, Information Systems, or equivalent practical experience.
• Minimum of 7 years of progressive experience in network engineering, architecture, and support.
• Minimum of 3 years hands-on experience with software-defined networking, Linux, and infrastructure as code methodologies.
• Certifications:Cisco (CCNA/P), cross-platform automation and/or Linux certifications preferred but not required

IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at

IQVIA is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other status protected by applicable law.

IQVIA is committed to integrity in our hiring process and maintains a zero tolerance policy for candidate fraud. All information and credentials submitted in your application must be truthful and complete. Any false statements, misrepresentations, or material omissions during the recruitment process will result in immediate disqualification of your application, or termination of employment if discovered later, in accordance with applicable law. We appreciate your honesty and professionalism.

The potential base pay range for this role, when annualized, is $76,200.00 - $190,300.00. The actual base pay offered may vary based on a number of factors including job-related qualifications such as knowledge, skills, education, and experience; location; and/or schedule (full or part-time). Dependent on the position offered, incentive plans, bonuses, and/or other forms of compensation may be offered, in addition to a range of health and welfare and/or other benefits.