Principal 4G/5G Core Network Architect
7 days ago
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
- 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
- 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
- Be willing and able to travel up to 25%
- Due to ITAR, US Citizenship is required
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.
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