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ALT Telecom logo
ALT Telecom

Excelência em Transmissão de Dados.

Network Specialist, Telecom

Network EngineerNetwork EngineerFull TimeRemoteSeniorTeam 201-500Since 2011H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

59 days ago

Salary

0

Seniority

Senior

Bachelor DegreePortuguese

Job Description

Network Specialist, Telecom

ALT Telecom

• Design and implement advanced BGP policies (path selection, community strings, filtering). • Design, configure and maintain the MPLS core, including LDP/RSVP-TE and deployment of L3 VPN services (VRFs) and L2VPNs (VPLS/VPWS) for enterprise customers. • 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). • Implement high-availability and fast-convergence mechanisms such as BFD (Bidirectional Forwarding Detection) and MPLS FRR (Fast Reroute) to meet maximum SLAs (five nines). • Manage edge routers (Provider Edge - PE) and Carrier-Grade NAT (CGN) solutions and plan the transition to IPv6 (Dual Stack or DS-Lite). • Lead resolution of complex incidents involving packet loss, microbursts, high latency and protocol failures (BGP session flapping, OSPF/ISIS adjacency issues).

Job Requirements

  • Bachelor's degree in Electronic Engineering, Telecommunications, Information Technology or a related field.
  • External routing; BGP (Border Gateway Protocol); strong command of 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 (M-BGP and VRFs) and L2VPNs (VPLS, VPWS or Ethernet VPN - EVPN).
  • Interior routing; IGPs (OSPF or IS-IS); proficiency in hierarchical area design, metric optimization and ensuring fast convergence. Preferably experience with IS-IS.
  • High availability; resiliency and convergence; practical knowledge of MPLS FRR, BFD and use of Non-Stop Routing (NSR) or Graceful Restart (GR).
  • Hardware; carrier-class routers; hands-on configuration experience with high-capacity routing platforms (e.g., Cisco NCS/ASR lines, 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 services with SLAs.

Benefits

  • Health insurance
  • Dental insurance
  • Education allowance
  • Home-office allowance
  • Meal allowance
  • Transportation voucher

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