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Principal 4G/5G Core Network Architect

2 months ago

Tempe, Arizona, United States Iridium Full time
Principal 4G/5G Core Engineer

Iridium is seeking a highly skilled Principal 4G/5G Core Engineer to join our Network Engineering Team. As a key member of our team, you will be responsible for designing and managing the technical aspects of our 4G/5G Core Network.

Key Responsibilities:
  • Develop and maintain network infrastructure, including automation and security
  • Administer and manage 4G/5G Core Network
  • Manage Linux and/or Debian GNU/Linux environments
  • Handle multi-user environment/system management
  • Define, prepare, and maintain CI/CD architecture
  • Manage backups and Disaster Recovery processes
  • Prepare and maintain technical documentation
  • Perform requirements analysis, definition, decomposition, and management for projects based services, conduct required system analysis (functional & performance), interface definition, and detailed trade studies
  • Provide support to the integration and test group
  • Manage the coordination and delivery of multiple or complex technical assignments designed with end goals in mind, including managing shifting priorities
  • Demonstrate the ability to understand how complex issues are affecting project operations and identify and design the formation of innovative solutions from concept through to completion
Requirements:
  • Be a strategic thinker who demonstrates good judgment and decisiveness
  • Excellent communication skills, with the ability to communicate complex information, project status, results, and analysis positively and effectively to both peers and management in various departments
  • An analytical mindset, with the ability to understand a situation or problem and think critically to make decisions or develop solutions
  • Adaptable to a dynamic environment and ready to take on new tasks
Preferred Qualifications:
  • Bachelor's degree in Engineering or related field of study
  • 10+ years related experience in SysOPS and/or DevOps for complex technical projects
  • Experience engineering and operating a 4G EPC (MME, SGW, PGW, PCRF, HSS, and SCEF)
  • Strong knowledge of 4G core network call flows
  • Knowledge of network protocols, including but not limited to the Diameter, GTP, DNS, SS7/MAP, and HTTP
  • Experience analyzing and troubleshooting 4G/5G call flows using network diagnostic tools (i.e. Wireshark, IrisView, Netscout, etc.)
  • IP network and routing experience
  • Proficient in Git, CI/CD, containerization, IaC: GitLab, Harbor, Helm, Docker, Kubernetes, Terraform, Ansible
  • Proficient in Linux and/or Debian GNU/Linux operating systems (administration, kernel parameters)
  • Implementation and configuration of networks (Routing, Switching, Firewalls)
  • Proficient with monitoring tools and log servers (e.g., Elasticsearch, Prometheus, Splunk)
  • Experience with backups and Disaster Recovery
  • Coding skills in Bash and Python
Additional Information:
  • Be willing and able to travel up to 25%
  • Due to ITAR, US Citizenship is required

This position primarily works in the company office or in a home office. The position is largely sedentary with the majority of the position sitting in a chair and working with a computer. The role uses basic office equipment including a phone, video, computer, keyboard, mouse, and printer.

Iridium is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, sexual orientation, gender identity, or status as a protected veteran. EOE of Minorities/Females/Vets/Disability and other protected categories.