Senior Design Specialist – Firewall, Wireless Packet Core

Das ist der Job

Tools & Technologies RedHat OpenShift GitLab Protocol Analyzers #J-18808-Ljbffr

Darum lohnt es sich

Lead architectural design for security infrastructure protecting TELUS' Wireless Core Network, with focus on carrier‑grade firewalls (Juniper SRX, Palo Alto Networks) across 4G EPC and 5G Service‑Based Architecture (SBA) boundaries Architect, deploy, and scale high‑availability firewall solutions protecting critical core interfaces (Gi/SGi, N6, roaming, inter‑carrier) and control/user plane functions in containerized environments (RedHat OpenShift) Ensure firewall architectures adhere to 3GPP and GSMA standards; conduct proactive threat modeling and risk assessments for new 5G functions; support security audits and vulnerability remediation Lead capacity planning, growth forecasting, and technology lifecycle management; develop vendor roadmaps and business cases for future security investments; manage technical relationships with firewall and core vendors Partner with RAN, Transport, Policy, Signaling, IMS/Voice, and Virtualized Infrastructure teams to align firewall architectures, policies, and configurations with Wireless Core network functions (AMF/MME, SMF/SPGW‑C, UPF/SPGW‑U) Develop CI/CD pipelines for firewall configuration deployment; create detailed Methods of Procedure (MoP) documents; develop KPI dashboards for performance monitoring and optimization Analyze network performance, resolve complex security issues, and optimize architecture using protocol validation tools (Wireshark, PCAP) and vendor logging mechanisms Requirements 10+ years of progressive experience in core network security and telecom engineering in carrier‑grade environments Expert‑level experience designing, implementing, and troubleshooting Juniper SRX and Palo Alto Networks firewalls (bare metal and virtual) Strong technical knowledge of 3G/4G/5G Packet Core network topology, control/user plane separation (CUPS), and Service‑Based Architecture (SBA) Deep understanding of mobile core protocol behavior (GTPv1/GTPv2, HTTP/2, Diameter, SCTP, Service‑Based Interfaces) Deep knowledge of telecom security standards: 3GPP security architecture (TS 33.501) and GSMA guidelines (FS.36/FS.37) Master‑level troubleshooting skills with network analysis tools (Wireshark, PCAP, protocol analyzers) Proficiency deploying network security in containerization ecosystems (Docker, Kubernetes, RedHat OpenShift) Experience with CI/CD automation pipelines and modern software development lifecycles (GitLab) Bachelor's or Master's degree in Computer Science, Information Technology, Electrical Engineering, or related technical STEM field Core Competencies Demonstrates expertise in designing and implementing security architectures for carrier‑grade networks, with a focus on Juniper SRX and Palo Alto Networks firewalls.

Proficient in network security standards, containerization, and CI/CD automation to optimize performance and ensure compliance.