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IMS and Packet Core Optimization Engineer

Posted on Apr 21, 2020 by Link Consulting

Rico, CO 81332
Immediate Start
Annual Salary
  • IMS Engineer is responsible for providing advanced technical solutions for the end-to-end voice, video messaging and IMS services for Customers.
  • High Technical competence in IMS and Packet Core nodes (the main node are MTAS, SBG, CSCF, BGF, MRF, MGC, MGw, SGSN-MME, SGW/PGW-C/U, UPF, DNS)
  • Monitor IMS &EPC KPI performance and provide recommendations for further improvement.
  • Triage the call flow issue as they are reported with preliminary analysis and assign to appropriate node owners.
  • Login to Ericsson Core element and perform root cause analysis
  • Identifying triage performance issues in complex multi-vendor environment with an efficient top-down approach to situational analysis, problem identification, service troubleshooting and resolution.
  • Proactively monitoring traffic with contextual Session Analysis and Packet Analysis before they become service impacting or user affecting events
  • Considerable understanding of Routing and Switching
  • Knowledge of testing tools such as NetScout, Ericsson Network Manager (ENM), xSight,wireshark.
  • Work with Internal Amdocs product team to support in building Triage Core module.
  • The position requires good technical and analytical competency, as well as effective interpersonal and communication with cross-functional teams.
  • Data Analytics skills (MySQL, Excel, Tableau)
  • Designing, trouble-shooting Ericsson Core Network platforms and applications that provide Voice/Data/IMS services.
  • Provide daily and weekly status updates of deliverables, open issues, issues resolved, accomplishments, and challenges.
  • Experience with SIP protocol and IMS based services is necessary.
  • Experience with designing end-to-end solutions/system for services and features including signaling protocols (eg, SIP), interfaces and associated complete system behaviors
  • Good experience in Capacity planning & proactive troubleshooting of capacity issues (IMS &Packet Core).
  • Good experience in Open stack and NFV (Network Functions Virtualization).
  • Hardcore IMS & VoLTE troubleshooting
  • Analyze and debug IMS registration-deregistration, VoLTE/VoWiFi/Call failures/Conferencing/Emergency call/SMS and other similar UE procedure.
  • Experience in analysis of KPI & Drive test log file for Core related cases.
  • Ability to multitask, and cope with a dynamic environment where priorities are constantly revised to keep pace with a highly competitive industry

Leadership Skills

- Language skills: Languages mandatory Spanish and English

- Values and behaviors: Pro-active and able to work under pressure.

  • Developed skills in Interpersonal communication
  • Develop the Guidelines for IMS and EPC optimization failure cases.
  • Developed skills in knowledge sharing by actively contributing knowledge, experiences and skills to create a learning culture.
  • Self-starter and highly motivated individual who has a strong passion for technology

Nice to have skills:

  • Experience creating automation test scripts in Python (preferred), TCL, Perl, etc.


- Education: BS/MS Degree in EE or CS ..

  • 5+ years experiences in Ericsson IMS/Packet Core/Cloud/vIMS domain

Reference: 881848181

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