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 Center
  • F5 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

IQVIA est un fournisseur mondial de premier plan de services de recherche clinique, d'informations commerciales et de renseignements sur les soins de santé pour les secteurs des sciences de la vie et de la santé.  IQVIA se consacre à accélérer le développement et la commercialisation de traitements médicaux innovants pour aider à améliorer les résultats des patients et la santé de la population dans le monde entier. Pour en savoir plus, visitez

IQVIA est fière d'être un employeur souscrivant au principe de l'égalité d'accès à l'emploi. Tous les candidats qualifiés seront pris en considération pour un emploi sans égard à la race, la couleur, la religion, le sexe, l'orientation sexuelle, l'identité de genre, l'origine nationale, le handicap, l'âge, l'état matrimonial ou tout autre statut protégé par la loi applicable.  Des mesures d'adaptation pour les candidats handicapés sont disponibles sur demande dans tous les aspects du processus de recrutement. Si vous avez un handicap qui nécessite une mesure d'adaptation, nous vous encourageons à contacter notre équipe d'acquisition de talents au , afin qu'IQVIA puisse soutenir votre participation au processus de recrutement.

IQVIA s'engage à faire preuve d'intégrité dans son processus de recrutement et applique une politique de tolérance zéro en matière de fraude des candidats. Toutes les informations et toutes les qualifications soumises dans votre candidature doivent être véridiques et complètes. Toute fausse déclaration, présentation trompeuse ou omission importante au cours du processus de recrutement entraînera la disqualification immédiate de votre candidature, ou la cessation d'emploi si elle est découverte ultérieurement, conformément aux lois applicables. Nous apprécions votre honnêteté et votre professionnalisme.

Veuillez noter qu'il est possible que nous utilisions l'intelligence artificielle (IA) dans le traitement de votre candidature. Cependant, nous utilisons l'IA uniquement pour aider notre équipe de recrutement à sélectionner ou à évaluer les candidatures, et non pas pour remplacer la prise des décisions par les membres de notre équipe.

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, age, marital status, or any other status protected by applicable law.  Accommodations for applicants with disabilities are available in all aspects of the recruitment process upon request. If you have a disability that requires an accommodation, we encourage you to contact our Talent Acquisition Team at: , so that IQVIA can support your participation in the recruitment process.

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.

Please note that we may use artificial intelligence (AI) in the processing of your application. However, we only use AI to assist our recruitment team with the screening or assessment of candidacies, and not as a substitute for human decision-making.