Senior Systems Architect

6 days ago

Tempe, Arizona, United States Iridium Full time
About the Role

Iridium is seeking a highly skilled Principal Systems Engineer to join our Network Engineering Team. As a key member of our team, you will be responsible for leading the technical aspects of various projects, including design and requirements management.

Key Responsibilities
  • Network Infrastructure Development: Develop and maintain network infrastructure, including automation and security.
  • Core Network Administration: Administer and manage 4G/5G Core Network.
  • System Management: Manage Linux and/or Debian GNU/Linux environments, handle multi-user environment/system management.
  • CI/CD Architecture: Define, prepare, and maintain CI/CD architecture.
  • Backup and Disaster Recovery: Manage backups and Disaster Recovery processes.
  • Technical Documentation: Prepare and maintain technical documentation.
  • Requirements Analysis: Perform requirements analysis, definition, decomposition, and management for projects based services, conduct required system analysis (functional & performance), interface definition, and detailed trade studies.
  • Integration and Test Support: Provide support to the integration and test group.
  • Project Coordination: Manage the coordination and delivery of multiple or complex technical assignments designed with end goals in mind, including managing shifting priorities.
  • Problem-Solving: 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
  • Strategic Thinking: Be a strategic thinker who demonstrates good judgment and decisiveness.
  • Communication Skills: 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.
  • Analytical Mindset: An analytical mindset, with the ability to understand a situation or problem and think critically to make decisions or develop solutions.
  • Adaptability: Adaptable to a dynamic environment and ready to take on new tasks.
Preferred Qualifications
  • Education: Bachelor's degree in Engineering or related field of study.
  • Experience: 10+ years related experience in SysOPS and/or DevOps for complex technical projects.
  • 4G EPC Experience: Experience engineering and operating a 4G EPC (MME, SGW, PGW, PCRF, HSS, and SCEF).
  • 4G Core Network Knowledge: Strong knowledge of 4G core network call flows.
  • Network Protocols: Knowledge of network protocols, including but not limited to the Diameter, GTP, DNS, SS7/MAP, and HTTP.
  • Call Flow Analysis: Experience analyzing and troubleshooting 4G/5G call flows using network diagnostic tools (i.e. Wireshark, IrisView, Netscout, etc.).
  • IP Network and Routing: IP network and routing experience.
  • Containerization and IaC: Proficient in Git, CI/CD, containerization, IaC: GitLab, Harbor, Helm, Docker, Kubernetes, Terraform, Ansible.
  • Linux and Debian: Proficient in Linux and/or Debian GNU/Linux operating systems (administration, kernel parameters).
  • Network Implementation: Implementation and configuration of networks (Routing, Switching, Firewalls).
  • Monitoring Tools: Proficient with monitoring tools and log servers (e.g., Elasticsearch, Prometheus, Splunk).
  • Backup and Disaster Recovery: Experience with backups and Disaster Recovery.
  • Coding Skills: Coding skills in Bash and Python.
Desirable Qualifications
  • Cloud Native 4G/5G Core Network Experience: Experience engineering and operating a cloud native 4G/5G Core Network.
  • 5G Core Experience: 5G Core Experience (AMF, SMF, UPF, PCF, UDR/UDM, AUSF, and NEF).
  • SMSC Experience: Experience engineering and maintaining an SMSC and associated components.
  • 4G Roaming Experience: Experience with implementing and supporting 4G roaming services using an IPX carrier (i.e. Syniverse, BICS, etc.).
  • NB-IoT or LTE CAT-M Experience: NB-IoT or LTE CAT-M experience.
Work Environment

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.

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