Principal Engineer I

Principal Engineer I - Chennai - Office with Flex (Hybrid)

ICON plc is a world-leading healthcare intelligence and clinical research organization. We’re proud to foster an inclusive environment driving innovation and excellence, and we welcome you to join us on our mission to shape the future of clinical development

Job Summary

We are seeking an experienced and highly skilled Principal Engineer 1 to join our Network team. This individual will play a key role in designing, implementing, and optimizing complex network architectures for both on-premise and cloud-based infrastructures. The ideal candidate should have in-depth knowledge and hands-on experience with Cisco ACI, Cisco Meraki, Fortigate, Zscaler, Cisco ISE, Citrix NetScaler, Cisco Nexus switches, as well as strong expertise in OSPF and BGP routing protocols. This is a senior role where you will be responsible for providing technical leadership and direction to ensure that network infrastructure meets the scalability, security, and performance requirements of the business.

Key Responsibilities

• Network Architecture & Design: Lead the architecture, design, troubleshoot using Cisco ACI, Cisco Meraki, Fortigate, Zscaler, Cisco ISE, Citrix NetScaler, and Cisco Nexus switches. Develop and document comprehensive network architectures to support business needs and growth.
• Routing Protocols: Utilize expertise in OSPF and BGP routing protocols to design and implement optimal routing strategies for data center and WAN environments. Ensure robust routing configurations to improve network performance, reliability, and scalability.
• Implementation & Optimization: Oversee the deployment and configuration of network infrastructure, including Cisco ACI, Meraki, Nexus switches, and security platforms like Fortigate and Zscaler. Continuously optimize network systems for performance and scalability.
• Security & Compliance: Ensure that the network infrastructure adheres to industry best practices for security, focusing on Cisco ISE (Identity Services Engine) for network access control and Fortigate for firewall protection. Collaborate with the security team to implement robust security measures.
• Troubleshooting & Problem Resolution: Provide leadership in troubleshooting complex network issues, leveraging expertise in Cisco Nexus, ACI, and routing protocols to resolve performance, connectivity, and security problems.
• Leadership & Mentorship: Lead and mentor junior engineers, sharing best practices and providing guidance on network architecture, design, and troubleshooting. Foster a culture of collaboration and knowledge sharing within the team.
• Continuous Improvement & Innovation: Stay up-to-date with the latest networking trends, technologies, and best practices. Identify opportunities to innovate and implement new solutions that enhance the performance, scalability, and security of the network.

• Experience:
  • 8+ years of experience in network engineering with at least 3 years in an architecture or leadership role.
  • Hands-on experience with Cisco ACI (Application Centric Infrastructure) and Cisco Meraki for cloud-managed networks.
  • In-depth expertise in Fortigate firewalls, Zscaler cloud security solutions, and Cisco ISE (Identity Services Engine).
  • Extensive experience with Citrix NetScaler for load balancing, application delivery, and SSL VPNs.
  • Deep knowledge of Cisco Nexus switches for data center networking and virtualization.
  • Strong understanding of OSPF and BGP routing protocols, with hands-on experience in designing and implementing complex routing solutions.
• Technical Expertise:
  • Proficiency in designing, deploying, and optimizing Cisco ACI environments.
  • Expertise in managing and configuring Cisco Meraki solutions for wireless, switching, and security.
  • Advanced skills in configuring and troubleshooting Cisco Nexus switches, including configuration, maintenance, and optimization in enterprise-scale data centers.
  • Extensive experience with Fortigate firewalls, including configuration and troubleshooting for perimeter security.
  • Deep understanding of Zscaler cloud security and its integration with enterprise networks.
  • Hands-on experience with Cisco ISE for network access control (NAC), identity management, and secure authentication methods.
  • Advanced knowledge of OSPF and BGP routing protocols for inter-domain routing, failover, and optimal path selection.
• Certifications (Preferred):
  • CCNP, FortiGate Security Professional, Zscaler Certified Specialist (ZSC).

• Benefits of Working in ICON:
  Our success depends on the quality of our people. That’s why we’ve made it a priority to build a culture that rewards high performance and nurtures talent.
  We offer very competitive salary packages. And to keep them competitive, we regularly benchmark them against our competitors. Our annual bonuses reflect delivery of performance goals – both ours and yours.
  We also provide a range of health-related benefits to employees and their families and offer competitive retirement plans – and related benefits such as life assurance – so you can save and plan with confidence for the years ahead.
  But beyond the competitive salaries and comprehensive benefits, you’ll benefit from an environment where you are encouraged to fulfil your sense of purpose and drive lasting change.
  ICON is an equal opportunity and inclusive employer and is committed to providing a workplace free of discrimination and harassment. All qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.
  If, because of a medical condition or disability, you need a reasonable accommodation for any part of the application process, or in order to perform the essential functions of a position, please let us know through the form below.
• #L1-MM1

What ICON can offer you:

Visit our careers site to read more about the benefits ICON offers.

At ICON, diversity, inclusion & belonging are fundamental to our culture and values. Our rich diversity makes us more innovative which helps us better serve our people, patients, customers, and our communities. We're proud of our diverse workforce and the work we’ve done to become a more inclusive organisation. We’re dedicated to providing an inclusive and accessible environment for all candidates. ICON is committed to providing a workplace free of discrimination and harassment.  All qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

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