Network Engineer
- Infogain
- 3 - 6 years
- Bengaluru
- 12 days ago
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Job Description
Key Skills:
BGP & Routing: eBGP peering configuration, Route filtering (prefix-lists, route-maps, AS-PATH filters),IRR / RPKI / ROA validation, Max-prefix limits, MD5 authentication, BFD (Bidirectional Forwarding Detection),BGP communities (standard, extended, large),IS-IS, MPLS fundamentals
L1 / Physical & Optical: Fiber optics (SMF/MMF), Optics & transceivers (SFP+, QSFP28, QSFP-DD),
Cross-connects & LOA process, MMR, ODF, patch panels, Optical power levels (dBm) & link budgets
Connector types (LC, SC, MPO)
L2 / L3 Knowledge: VLANs, trunking (802.1Q), LACP / port-channels / LAGs, LLDP, ARP, MAC addressing, IP addressing & subnetting
Peering & IX Knowledge: Internet Exchanges (IXPs), Route servers, peering types (public, private/PNI, paid),PeeringDB,ASN management
Detailed Job Description:
BGP & Routing Protocols
Demonstrates expertise in configuring and managing eBGP peering sessions end-to-end, including session establishment, prefix advertisement, and neighbour management on edge routers.
Implements and maintains route filtering using prefix-lists, route-maps, and AS-PATH filters to ensure only authorised prefixes are accepted and advertised.
Manages IRR (Internet Routing Registry) objects and RPKI/ROA validation to maintain routing hygiene and prevent route hijacking/leaks.
Configures max-prefix limits, MD5 authentication, and BFD for reliable and secure peering sessions.
Uses BGP communities (standard, extended, large) for traffic engineering, controlling inbound/outbound traffic flow, and signalling peer preferences.
Has working knowledge of IS-IS as an interior gateway protocol and MPLS for backbone/edge transport
Layer 1 Physical & Optical
Proficient in Fiber-optic technology including single-mode (SMF) and multi-mode (MMF) fiber, connector types (LC, SC, MPO/MTP), and cable management.
Hands-on experience with optical transceivers SFP+ (10G), SFP28 (25G), QSFP28 (100G), QSFP-DD (400G) including SR, LR, ER, ZR variants and their reach/application.
Understands optical power levels (Tx/Rx in dBm), link budget calculations, and can interpret light-level readings to diagnose fiber path issues.
Familiar with optical test equipment (power meters, OTDR) and their use in verifying cross-connect integrity and troubleshooting signal degradation.
Experience with DWDM concepts for wavelength-based capacity scaling on metro and long-haul links.
Layer 2 / Layer 3 Protocols & Technologies: Shows comprehensive understanding of L2/L3 protocols including VLAN configuration (802.1Q trunking), LACP for link aggregation on peering links, LLDP for neighbour discovery, ARP for address resolution, and MAC address m
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Hardware & NetworksRole Category: TelecomRole: Switching / Router EngineeringEmployement Type: Full timeContact Details:
Company: InfogainLocation(s): Bengaluru
Keyskills: IPV6 IPV4 Bgp Routing Protocol IXP MMR ISP IP Networking
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Infogain
A Silicon-Valley headquartered company, Infogain is a global business oriented IT consulting provider of front-end, customer-facing technologies, processes and applications, leading to a more efficient and streamlined customer experience. We want our clients€™ interactions with their cus...
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