Senior Network Administrator - IT

Flex; Chennai District; On-site; INR 1,000,000 - 1,600,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

Job summary

Flex is seeking a Senior Network Administrator for their Chennai location. This role involves technical expertise in routing, switching, and security, requiring 8+ years of IT experience, with strong knowledge of Cisco products and protocols.

Successful candidates will be effective at managing complex production issues and working with tools like Chef and Ansible. Flex offers benefits like health insurance and paid time off, fostering an inclusive work environment.

Qualifications

• 8+ years of IT experience.
• 5+ years of experience in WAN.
• Solid knowledge of protocols such as BGP, HSRP, IPsec, MPLS.

Responsibilities

• Ensure effective network performance and reliability.
• Handle complex production issues and outages.
• Provide escalated support as needed.

Skills

Routing

Switching

Security

Traffic Optimization

Dynamic Routing Protocols

Network QOS

Scripting (Linux/Unix Shell / Python / Ruby)

CI/CD tools (Jenkins / TeamCity / Bamboo)

Education

Any graduate or post-graduate

Tools

Cisco Catalyst Switches

Cisco Routers (ISR & ASR with IOS XE)

Cisco Nexus Switches

F5 load-balancers

Job description

Flex is the diversified manufacturing partner of choice that helps market‑leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Senior Network Administrator - IT (L2) – Chennai

Reporting to the Senior Manager, the role involves

What a typical day looks like:

• Strong technical expertise in areas such as Routing, Switching, Security and Traffic Optimization.
• Technical expert with sharp skills in technologies such as Dynamic Routing Protocols, LAN switches, Wireless LAN technologies, Firewall configuration, SSL & IPSec VPN/DMVPN configuration, Cisco WAAS/vWAAS, AppNav Controllers, Performance Routing (PFRv3), Cisco AVC.
• Experience working with Network QOS.
• In‑depth experience and operational knowledge working with SNMP, NetFlow, and Network Tools.
• Good knowledge and working experience on ISR & ASR with IOS XE platform.
• Experience in handling complex production issues, major outages, root cause analysis (RCA) and excellent diagnostic, problem‑solving skills.
• Effective communication with a high degree of escalation management.

The experience we’re looking to add to our team:

• Any graduate or post‑graduate.
• 8+ years of IT experience.
• 5+ years of experience in WAN alone, 5 to 7 years is more preferred.
• L2 Network Support.
• Technologies/Protocols: TCP/IP, OSPF, BGP, HSRP, IPsec, VPN/DMVPN, MPLS, QoS, Multicast, dot1q, STP, VLANs, VTP, HSRP, VoIP, WLAN, DNS, DHCP, ARP, SNMP, NetFlow, Cisco vPC, FCoE, Cisco Fabric Path etc.
• Products: Cisco Catalyst Switches, Cisco Routers (ISR & ASR with IOS XE platform), Cisco Nexus Switches, Cisco WAN Accelerators, F5 load‑balancers, Cisco ASAs, Cisco & Aruba WLAN products, Packet analysis and debugging abilities using a variety of tools (e.g., Ethereal/Wireshark, tcpdump, etc.).
• Proficient knowledge in scripting (Linux/Unix Shell scripts / Python / Ruby, etc.) and hands‑on experience in Configuration Management and Deployment tools (Chef / Puppet / Ansible / Terraform, etc.).
• Good knowledge in CI/CD tools (Jenkins / TeamCity / Bamboo / Travis CI, etc.) and building CI/CD pipelines; good knowledge in GIT (GitHub / GitLab / Bitbucket) or SCM tools (SVN, TFS, etc.).
• Ready to work in shifts (24x7 support).

Certifications

• Cisco certification is preferred: CCNA, CCNP/CCDP (Routing & Switching), CCIE.

What you’ll receive for the great work you provide:

• Health Insurance.
• Paid Time Off.

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We’re happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [e-mail] and we’ll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).