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CenturyLink

Global telecommunications and IT services provider

Sr Network Test Engineer

Telecommunications EngineeringPosted on Nov 10
Full-timeDenver, CO, USA$87.1k - $116.2k

About the Job

Requirements

  • A bachelor's degree in computer science or a related field, or equivalent experience or education.
  • At least 4 years of experience in network testing environments.
  • Excellent documentation and technical writing skills.
  • Strong troubleshooting skills.
  • Knowledge of telecommunications, specifically VoIP protocols such as SIP, is preferred.
  • Experience in large-scale data mining and big data solution implementation is preferred.
  • Deployment experience with visual intelligence and predictive solutions is preferred.
  • Universe Design for single- and multi-source environments is required.
  • Industry experience with DevOps is preferred.
  • ITIL certifications are preferred.

Responsibilities

  • Apply advanced engineering and network principles, theories, concepts, and technologies to solve unusually complex problems and issues.
  • Interact with vendors and drive requirements, bug-fix resolution, code upgrades, and vendor development as necessary.
  • Resolve difficult production and interoperability problems by working with cross-functional teams and applying advanced engineering and network principles, theories, and concepts.
  • Interact with Architecture (IP and Security), Planning, Operations, Lab, and Systems (NSD and alarming) teams to implement equipment and designs needed to evolve the worldwide Internet backbone.
  • Research and write requirements to test hardware and software for interoperability and validation of features, functions, and behavior.
  • Certify equipment, MOPs, and network configurations.
  • Apply knowledge of Layer 2 Ethernet switching equipment and switching architectures used on Lumen's Internet networks.
  • Use BGP, IS-IS, MPLS, BFD, and LLDP protocols used on Lumen's Internet networks.
  • Work with BGP route policy and redistribution of routes between protocols.
  • Use BGP route reflector architecture and configurations across multiple address families.
  • Troubleshoot multiple vendor routing and forwarding architectures to resolve potential production issues or design behavior issues.
  • Apply knowledge of UDP and TCP protocols to help design secure and efficient Internet networks.
  • Create Layer 3 and Layer 4 filters and ACLs, and create configurations to meet requirements.
  • Apply QoS traffic classification, remarking, and per-class queuing; create QoS configurations to meet product specifications and resolve production issues.
  • Use distributed denial-of-service equipment and protocols.
  • Design and configure servers on BOBJ, including Dashboard Design, Explorer, Mobile integration of BOBJ, and Universe Configuration.
  • Act as a subject matter expert and may act as a technical project lead or mentor junior employees.

Desired Qualifications

  • Preferred: MS, M Tech, BS, or B Tech degree in computer science or a related technical field, or equivalent work experience.
  • Knowledge of telecommunications, specifically VoIP protocols such as SIP.
  • Experience in large-scale data mining and big data solution implementation.
  • Deployment experience with visual intelligence and predictive solutions.
  • Industry experience with DevOps.
  • ITIL certifications.

About the Company

CenturyLink

Global telecommunications and IT services provider

CenturyLink, now Lumen Technologies, provides telecommunications and IT services for businesses and government, including voice, network, cloud, and managed services. Its offerings cover VoIP, SIP Trunking, hosted VoIP, SD-WAN, MPLS, IPVPN, plus Big Data as a Service, IoT, and cloud management across hybrid, private, and public clouds—backed by data centers. Compared with competitors, it combines traditional communications with modern network and cloud services at scale, serving a wide range of industries globally. Its goal is to help customers communicate, connect, and digitally transform with secure, reliable, and scalable network and cloud solutions.

Company size
10,001+
Company stage
IPO
Headquarters
Monroe, LA
Founded
1930

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