5G RAN with Linux

Key Responsibilities<\/span><\/span><\/span><\/span>:<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Code, Integrate and<\/span><\/span> <\/span><\/span><\/span>validate<\/span><\/span> <\/span><\/span><\/span>Linux\-based software components for telecom and 5G network environments.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Configure, troubleshoot, and<\/span><\/span> <\/span><\/span><\/span>optimize<\/span><\/span> <\/span><\/span><\/span>Layer 2 / Layer 3 networking protocols and services.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Work on system bring\-up, platform integration, kernel tuning, and driver validation.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Analyze<\/span><\/span> <\/span><\/span><\/span>packet flows using tools such as Wireshark,<\/span><\/span> <\/span><\/span><\/span><\/span>tcp dump<\/span><\/span><\/span>, and<\/span><\/span> <\/span><\/span><\/span><\/span>iperf<\/span><\/span><\/span>.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Support deployment and testing of 5G Core, RAN, Open RAN, or edge network solutions.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Debug performance bottlenecks related to CPU, memory, latency, and throughput.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Collaborate with software, hardware, QA, and network engineering teams.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Automate integration, testing, and deployment tasks using shell/Python scripting.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Investigate issues in routing, switching, VLANs, QoS, firewalling, and IP transport.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Maintain technical documentation, test reports, and deployment procedures.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Qualifications:<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Bachelor\u2019s or master\u2019s degree in computer science, Electronics, Telecommunications, or related field.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>3+ years of experience in Linux system integration or telecom platform engineering.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Strong<\/span><\/span> <\/span><\/span><\/span>expertise<\/span><\/span> <\/span><\/span><\/span>in Linux administration, kernel concepts, boot process, services, logs, and performance tuning.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Solid understanding of Layer 2 protocols: VLAN, STP, bonding, bridging, MAC learning.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Strong Layer 3 knowledge: IPv4/IPv6, routing, BGP, OSPF, static routes, NAT.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Experience with Linux networking tools: iproute2,<\/span><\/span> <\/span><\/span><\/span><\/span>netfilter<\/span><\/span><\/span>,<\/span><\/span> <\/span><\/span><\/span><\/span>tcpdump<\/span><\/span><\/span>,<\/span><\/span> <\/span><\/span><\/span><\/span>ethtool<\/span><\/span><\/span>, ss, netstat.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Good understanding of 5G architecture:<\/span><\/span> <\/span><\/span><\/span><\/span>gNB<\/span><\/span><\/span>, UPF, AMF, SMF, CU/DU, fronthaul/backhaul.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Experience with virtualization/container platforms such as Docker or Kubernetes.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Scripting skills in Bash, Python, or Ansible.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Preferred Qualifications:<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Experience with OpenShift, Kubernetes CNFs, or cloud\-native telecom platforms.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Familiarity with DPDK, SR\-IOV,<\/span><\/span> <\/span><\/span><\/span><\/span>SmartNICs<\/span><\/span><\/span>, or high\-performance packet processing.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Exposure to CI/CD pipelines such as Jenkins, GitLab CI, or GitHub Actions.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Knowledge of ORAN standards and multi\-vendor integration.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>Telecom certification or Linux certification is a plus.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/p>

1. Strong<\/span><\/span> <\/span><\/span><\/span>expertise<\/span><\/span> <\/span><\/span><\/span>in Linux administration, kernel concepts<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>2. Strong Layer 3 knowledge: IPv4/IPv6, routing, BGP, OSPF, static routes, NAT.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span> <\/span><\/span><\/span>
<\/span><\/span><\/span>3. Experience with OpenShift, Kubernetes CNFs, or cloud\-native telecom platforms.<\/span><\/span><\/span><\/span> <\/span><\/span><\/span><\/p><\/div>