Principal 4G/5G Core Engineer
Iridium - tempe, AZ
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Iridium is seeking a motivated Principal 4G5G Core Engineer to join our Network Engineering Team. In this role, you will function as the Core Systems Engineer on various Iridium projects. As the Principal 4G5G Core Engineer, your primary focus will be all technical aspects relating to the design and requirements management of assigned projects. You'll be successful in this role if you have extensive experience in Core Systems Engineering and in-depth knowledge of both space and ground networks.What You'll Do:Develop and maintain network infrastructure, including automation and securityAdminister and manage 4G5G Core NetworkManage Linux andor Debian GNULinux environmentsHandle multi-user environmentsystem managementDefine, prepare, and maintain CICD architectureManage backups and Disaster Recovery processesPrepare and maintain technical documentationPerform requirements analysis, definition, decomposition and management for projects based services, conduct required system analysis (functional & performance), interface definition, and detailed trade studiesProvide support to the integration and test groupManage the coordination and delivery of multiple or complex technical assignments designed with end goals in mind, including managing shifting prioritiesDemonstrate the ability to understand how complex issues are affecting project operations and identify and design the formation of innovative solutions from concept through to completionWhat You'll Need to Succeed:Be a strategic thinker who demonstrates good judgment and decisivenessExcellent communication skills, with the ability to communicate complex information, project status, results, and analysis positively and effectively to both peers and management in various departmentsAn analytical mindset, with the ability to understand a situation or problem and think critically to make decisions or develop solutionsAdaptable to a dynamic environment and ready to take on new tasksThings You Must Bring to the Table:Bachelor's degree in Engineering or related field of study10+ years related experience in SysOPS andor DevOps for complex technical projectsExperience engineering and operating a 4G EPC (MME, SGW, PGW, PCRF, HSS, and SCEF)Strong knowledge of 4G core network call flowsKnowledge of network protocols, including but not limited to the Diameter, GTP, DNS, SS7MAP, and HTTPExperience analyzing and troubleshooting 4G5G call flows using network diagnostic tools (i.e. Wireshark, IrisView, Netscout, etc.)IP network and routing experienceProficient in Git, CICD, containerization, IaC: GitLab, Harbor, Helm, Docker, Kubernetes, Terraform, AnsibleProficient in Linux andor Debian GNULinux 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 RecoveryCoding skills in Bash and PythonThings That Would be Great if You Brought to the Table:Experience engineering and operating a cloud native 4G5G Core Network5G Core Experience (AMF, SMF, UPF, PCF, UDRUDM, AUSF, and NEF)Experience engineering and maintaining an SMSC and associated componentsExperience with implementing and supporting 4G roaming services using an IPX carrier (i.e. Syniverse, BICS, etc.)NB-IoT or LTE CAT-M experienceWe'll Also Need You To:Be willing and able to travel up to 25%Due to ITAR, US Citizenship is requiredWork 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. Iridium is an Equal OpportunityAffirmative 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 MinoritiesFemalesVetsDisability and other protected categories.
Created: 2024-09-30