Principal Network Engineer - IT

Title: Principal Network Engineer

Job Summary:

We are seeking a highly experienced and skilled Senior Network Engineer to join our Global Networks and Telecoms (GNT) team. In this role, you will be responsible for designing, implementing, and managing complex on-prem and cloud-based networking solutions for Flex with over 150 sites across 35 countries.

The ideal candidate should have extensive experience in on-prem and cloud networking technologies, a deep understanding of multiple network protocols and technologies, as well as strong analytical and problem-solving skills and experience working with large enterprise networks. The right candidate will be comfortable in a fast-moving organization and enjoy digging into operational problems to implement the process enhancement and technical solutions to solve them and is able to quickly learn and pick up new domain expertise and technologies. The candidate will work together with a larger global network team to support Flexs global network operations across Asia, Europe, and the Americas.

Responsibilities include but not limited to:

• Designing, building, and maintaining complex highly scalable and available network solutions deployed on-prem and in public clouds (such as AWS, Azure, GCP), and/or hybrid environments.
• Support the DevOps cultural transformation of the global network services team at Flex by promoting, planning, and driving the deployment of new processes to eliminate wasteful, repetitive tasks that can be automated.
• Provide technical guidance and mentorship to other network engineers and participate in the training and development of team members.
• Create and maintain detailed documentation including network diagrams, configurations, policies, procedures, and runbooks.
• Staying current, evaluate & recommend the latest network technologies, security threats, and industry best practices. This involves continuous learning and professional development to ensure that the network infrastructure supports business growth and transformation.
• Collaborate with cross-functional teams, including application engineers, operations, and security, to ensure the integrity, security, and scalability of our cloud-based infrastructure
• Act as a senior escalation point for complex network incidents, performing deep-dive diagnostics and root cause analysis
• Deploy and configure enterprise network infrastructure including switches, routers, firewalls, load balancers, ADCs, VPNs, NAC, WLCs, ZeroTrust, SD-WAN, and hybrid cloud solutions.
• Consults on issues and requests from internal customers that require the implementation of on-prem and cloud networking infrastructure solutions.
• Ensure optimal performance, resilience, and high availability of enterprise network infrastructure across regions.
• Evaluate and integrate emerging technologies such as SASE, ZTNA, SDN, and AI-driven networking (AIOps).

Required Skills & Experience

• Batchelors or Master’s degree in Computer Science, Computer Engineering, or a related technical discipline, or equivalent experience.
• 10+ years’ experience in deploying and maintaining both on-prem and cloud network infrastructure.
• Proven experience managing a global enterprise network spanning data centers, branches, and cloud environments for a large multinational company
• Expert level knowledge in WAN and routing protocols such as BGP.
• Strong knowledge & experience of SDWAN technologies, preferably Fortinet.
• Hands on experience and knowledge in F5 Application Delivery Control
• Hands on experience and knowledge in Data Center LAN (preferrable Juniper Apstra)
• Deep understanding of network security concepts and best practices and extensive experience in next-generation firewall (NGFW), preferably Fortinet & Palo Alto.
• Solid working experience with leading network solutions from Fortinet, Juniper, Cisco, F5, Palo Alto, Alkira NaaS, and HPE Aruba.
• Strong experience in networking protocols and technologies such as WLAN, WLC, NAC, IPSEC, GRE, SDWAN, WAN, LAN, TCP/IP etc
• Excellent communication skills, with the ability to clearly articulate complex technical issues to both technical and non-technical stakeholders.
• Have a good understanding of the following:
• Linux
• Python / Ansible / Terraform
• Git / GitHub / GitLab
• Infrastructure as Code
• CI/CD Pipelines

Desired Certifications

• Fortinet Certified Professional.
• Juniper JNCIP-DC Certification or equivalent.
• CCNP or CCIE Enterprise or Security.
• F5 Certified BIG-IP Administrator or higher certification.