Network Engineer – Virtualization Specialist
KIHOMAC
CloudCyber SecurityDNSSMTPVMware
Job Level
Mid-LevelSenior
Tech Stack
AnsibleAWSCloudIoTKubernetesOpenShiftPythonSwitchingTerraformVMware
About the role
- Be a part of Cellular core implementation team
- Perform service/system testing, data collection, and optimization as required
- Perform proactive monitoring of network elements’ KPI/alarms and conduct network performance analysis
- Handle and analyze trouble tickets and provide solutions when necessary
- Create and maintain network system documentation
- Handle operational tasks and requests
- Provide on-call 24 x 7 support on a rotating basis
Requirements
- Complete familiarity with MNO/MVNO structure and flows for Voice, SMS and Data scenarios
- Strong understanding of 3GPP standards across 2G/3G/4G and 5G including: Diameter/Radius, MAP & Camel, GTP / GTP-C, SIP / IMS, SMPP
- Experience in analyzing network flows using raw data (traces/PCAP/etc.)
- Understanding of roaming processes and procedures (IR.21, IREG / TADIG testing, familiarity with IPX operations)
- Ability to design, scale and integrate a network element into a live network
- Hands-on experience in integration between network elements (SCTP, SIP trunk, SMPP connection)
- Experience configuring and troubleshooting roaming interfaces (S6a, S10, S8, CAMEL, MAP)
- At least 5 years of practical experience as a core engineer
- Working understanding of APIs and basic scripting (Python or similar)
- Familiarity with automated deployment tools such as Ansible, Terraform or K8s
- Knowledge of OpenShift system administration and cloud technologies (AWS, VMware) - an advantage
- Knowledge of IP switching and routing protocol - an advantage
