Job Title

Transmission Security Engineer Contract: 6 to 12 months+ Brampton, ON Role Descriptions Design and implement security architectures for transmission networks (optical, DWDM, IPMPLS, microwave, and metro backbone networks). Lead security hardening of transmission equipment, including routers, switches, optical transport systems, and network management platforms. Implement and maintain encryption technologies (MACsec, IPsec, optical layer encryption). Perform risk assessments, threat modeling, and vulnerability analysis for transmission infrastructure. Ensure compliance with security frameworks, standards, and regulatory requirements (ISO 27001, NIST, SOC, PCI where applicable). Develop and enforce transmission security policies, standards, and operating procedures. Lead incident response and root cause analysis for transmission-related security events. Collaborate with Network Engineering, Cybersecurity, SOC, and Architecture teams to integrate security into network designs. Support audits, penetration testing, and remediation activities. Mentor junior engineers and provide technical leadership. Engage with vendors for secure product selection, testing, and lifecycle management. Participate in network transformation initiatives (cloud connectivity, SDNNFV, 5G transport, zero trust). Essential Skills Technical Skills Strong knowledge of transmission technologies: Optical DWDM OTN MPLS IP backbone Microwave and carriergrade Ethernet Expertise in network security: IPsec MACsec TLS PKI Key management systems and encryption lifecycle. Deep understanding of Layer13 security risks and controls. Experience with firewalling, ACLs, routing security (BGP security, prefix filtering). Familiarity with network monitoring, SIEM, and logging tools. Experience securing NMS, OSS/BSS, and EMS platforms. Experience 8+ years in telecom, network security, or transmission engineering. Proven experience securing largescale carrier or enterprise networks. Handson experience with major OEMs (e.g., Cisco, Juniper, Nokia, Ciena, Huawei, Infinera as applicable). Certifications (Preferred) CISSP, CISM, or CCSP. CCNP / CCIE Security or Service Provider. GIAC, CEH, or equivalent security certifications. Domain Cyber Security Experience Required 10+years #J-18808-Ljbffr