L2 Network Engineer - F5 , Cisco ACI

eJAmerica; Bengaluru; On-site; INR 2,800,000 - 4,800,000; Full time

Job summary

eJAmerica seeks a seasoned Network Engineer to manage a global LAN/WAN and cloud infrastructure. You will handle routing, switching, security, VPNs, and SDN, with hands-on Cisco Nexus and firewall expertise.

Join an agile team focused on fast problem resolution, top-tier documentation, and cross-functional collaboration while leading multiple incidents and projects simultaneously.

Qualifications

• 8+ years of expertise in implementing, administering, and troubleshooting network infrastructure devices (firewalls, routers, switches, load balancers, wireless APs)
• Strong SDN experience in WAN/Branch/Data Center/Orchestration; knowledge of wireless tech and security practices
• Knowledge of application transport and network protocols (SSL/TLS, DNS, DHCP, NTP, HTTP, LDAP, AD) and VPN support
• Experience with AWS and Google Cloud Networking
• Scripting in Python/Ansible
• Design, implementation, and operational experience with Cisco routers and Nexus switches
• Hands-on VPN experience (IPsec, DMVPN, SSL VPN, AnyConnect)
• Experience in BGP, OSPF, MPLS; extensive load balancer experience (Citrix NetScaler, F5 LTM)
• Experience with network tools (CA Spectrum, Cisco Works, SNMP, NetFlow)
• Ability to document and explain network topologies and plan upgrades
• Strong communication skills

Responsibilities

• Support and maintain hardware and software infrastructure per best practices
• Manage routers, switches, firewalls, load balancers, and related systems
• Diagnose problems and resolve issues under time constraints
• Develop guidelines and procedures for administration and security
• Provide network documentation and monitor usage
• Work in an agile environment

Skills

Routing & Switching

Network Security

VPN

SDN

Wireless

AWS/GCP Networking

Python/Ansible

Tools

CA Spectrum

Cisco Works

SNMP

NetFlow

VPN Appliances

Job description

Seeking a skilled, dedicated and proactive Network Engineer with strong interpersonal and Technical skills to operate a large-scale LAN/WAN network and cloud infrastructure deployed globally

Responsibilities

Support and maintain hardware and software infrastructure according to best practices. Platforms includes routers, switches, firewalls, load balancers etc. Diagnose problems and solve issues, often under time constraints. Assist in the development of guidelines and procedures for administration and security best practices; Provide network documentation; Monitor network usage, anticipate problems and suggest solutions; Work in an agile environment.

Mandatory skills -

• Core Data center hands-on exp

Requirement

• 8+ Years of expertise in implementing, administering, and troubleshooting network infrastructure devices, including firewalls, routers, switches, load balancers, wireless access points and controllers.
• Deep knowledge of the SDN space, specifically within WAN, Branch, Data Center and Orchestration. Proven experience in Wireless technologies and security practices
• Knowledgeable in application transport and network infrastructure protocols (SSL/TLS, DNS, DHCP, WINS, NTP, FTP, HTTP, SMTP, CIFS, LDAP, and Microsoft AD), and possess an understanding of how to support these applications/ protocols when accessed through VPN and firewall appliances.
• Good knowledge on AWS and Google Cloud Networking
• Good knowledge in Python/Ansible scripting
• Must have design implementation and operational experience with; Enterprise routers and switches (Cisco router and Cisco Nexus preferred).
• Hands-on technical experience working with VPN technologies (IPSEC, DMVPN, SSL VPN, WebVPN, AnyConnect, etc.)
• Experience in BGP, OSPF, and MPLS (traffic engineering implementation) and Wireless technologies.
• Extensive experience in Load Balancers and operational experience across multiple vendors; mandatory - Citrix NetScaler and F5 LTM
• Experience in network tools such as CA Spectrum, Cisco Works, SNMP and Netflow.
• Understanding and implementation of network traffic analysis, remote access methods and systems, stateful inspection firewalls, encryption, authentication and authorization technology
• Able to handle multiple, complex, short term projects and incidents simultaneously.
• Comfortable documenting and explaining network topologies and Diagram explain and plan for future upgrades.
• Strong oral, written, communications, and presentation skills
• Summary Technical Skills:
• Primary Skill: Routing, Switching, Network Security, VPN, QoS, F5/A10 Load balancer, Wireless, SDN
• Secondary Skill: QoS, AWS, Google Cloud, Cisco Works, Python, Ansible, Cisco Works