Senior Juniper Network Engineer
Tata Consultancy Services
5 - 10 years
Delhi
Posted: 12/12/2025
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Job Description
Senior Juniper Network Engineer
Senior Juniper Network Engineer to design, implement, secure, and support advanced Juniper-based wired and wireless network infrastructures. The ideal candidate will have hands-on expertise with Juniper routing, switching wireless and security platforms, combined with strong troubleshooting skills and the ability to lead complex projects.
Must Have
- Certifications: JNCIP-ENT or JNCIE-ENT
- Experience: 7+ years in network engineering with at least 4 years hands-on with Juniper platforms.
- Expertise in JunOS configuration and troubleshooting.
- Strong knowledge of Juniper Campus Wired and Wireless network Vlan, EVPN/VXLAN, BGP, OSPF, IS-IS, MPLS, L3VPNs.
- Hands on with Juniper Wired and wireless setup with Aruba ClearPass NAC (AAA) including Infoblox DDI solution.
- Hands-on with Juniper (SRX) & Fortinet firewalls including advanced security features (IPSec, IDP, NAT, UTM).
- Proven ability to design and implement high-availability, scalable, and secure networks.
- Familiarity with network monitoring tools (e.g., Junos Space, SolarWinds, Nagios, or equivalent).
- Strong troubleshooting skills at Layer 27.
- Excellent communication skills and ability to work with cross-functional teams.
Good to have
- Additional certifications (Cisco CCNP/CCIE, Fortinet NSE, Palo Alto PCNSE).
- Experience with cloud networking (AWS, Azure, GCP integration with Juniper).
- Familiarity with SD-WAN and SDN solutions (Contrail, Apstra, Nuage, VMware NSX).
- Experience in network automation (Python, Ansible, NetConf, REST APIs).
- Understanding of DevOps and CI/CD practices in networking.
- Experience with IPv6 design and deployment .
- Knowledge of wireless networking and integration with Juniper Mist solutions.
Responsibilities
- Design, implement, and optimize Juniper-based enterprise networks.
- Manage and maintain Juniper routers, switches, and firewalls (MX, EX, QFX, SRX platforms).
- Perform advanced troubleshooting and root-cause analysis for network performance and security issues.
- Configure and maintain BGP, OSPF, IS-IS, MPLS, EVPN/VXLAN, and other routing protocols.
- Implement network automation and orchestration using tools such as Ansible or Python.
- Ensure network security, availability, and compliance with industry standards.
- Mentor junior engineers and provide escalation support.
- Participate in on-call rotations and change management processes.
Location: Delhi only (Preferably Noida)
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