Telecommunications Network Specialist

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November 21

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ALT Telecom

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Telecommunications • B2C • eCommerce

ALT Telecom is a telecommunications company offering residential, corporate, and institutional internet services. They provide high-quality connectivity options, including WiFi 6 routers available for rental and free installation services. ALT Telecom also emphasizes customer support, offering 24/7 assistance and various internet speed plans to meet the needs of their clients.

201 - 500 employees

Founded 2011

📡 Telecommunications

👥 B2C

🛍️ eCommerce

📋 Description

• Routing Engineering: Design and implement advanced BGP policies (Path Selection, Community Strings, Filtering) to optimize multihoming and peering traffic across multiple IXPs. • MPLS and VPNs: Design, configure and maintain the MPLS core, including LDP/RSVP-TE and the implementation of L3 VPN services (VRFs) and L2VPNs (VPLS/VPWS) for enterprise customers. • Optimization and QoS: Perform Traffic Engineering (TE) using RSVP-TE to ensure deterministic paths and apply QoS policies (DiffServ over MPLS) to prioritize critical services (Voice and Video). • Resilience: Implement high-availability and fast-convergence mechanisms such as BFD (Bidirectional Forwarding Detection) and MPLS FRR (Fast Reroute), aiming for maximum SLA (five nines). • Edge Technologies: Manage edge routers (Provider Edge - PE) and Carrier-Grade NAT (CGN) solutions and design the transition to IPv6 (Dual Stack or DS-Lite). • Level 3 Troubleshooting: Lead the resolution of complex incidents involving packet loss, microbursts, high latency and protocol failures (BGP session flapping, OSPF/IS-IS adjacency issues).

🎯 Requirements

• Bachelor's degree in Electronic Engineering, Telecommunications, Information Technology or a related field; • External Routing; BGP (Border Gateway Protocol); Proficiency in iBGP, eBGP, Route Reflectors (RRs), advanced path selection policies, attribute manipulation (AS_PATH prepending, MED, Local Preference) and use of Community Strings. • MPLS Core; MPLS and VPNs; Proven experience with LDP and RSVP-TE. Configuration and operation of L3 VPNs (MP-BGP and VRFs) and L2VPNs (VPLS, VPWS or Ethernet VPN - EVPN). • Internal Routing; IGPs (OSPF or IS-IS); Proficiency in designing hierarchical areas, optimizing metrics and ensuring fast convergence. Preferably with experience in IS-IS. • High Availability; Resilience and Convergence; Hands-on knowledge of MPLS FRR, BFD and use of Non-Stop Routing (NSR) or Graceful Restart (GR). • Hardware; Carrier routers; Command-line configuration experience on high-capacity routing platforms (e.g., Cisco NCS/ASR series, Juniper MX Series, or Huawei/Nokia platforms). • Addressing; IPv4 and IPv6; Scalable addressing planning. Knowledge of IPv6 transition strategies (e.g., Dual Stack, DS-Lite, NAT444). • QoS and TE; Quality of Service; Configuration of DiffServ models over MPLS, policing, shaping and traffic classification for SLA-backed services.

🏖️ Benefits

• Health insurance • Dental insurance • Education assistance • Home office allowance • Meal allowance • Transportation allowance