Job Description: Transmission Security Engineer
6 to 12 months+
Brampton, ON
Role Descriptions
- Design and implement security architectures for transmission networks (optical, DWDM, IPMPLS, microwave, and metrobackbone 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 carrier-grade Ethernet
- Expertise in network security:
- Key management systems and encryption lifecycle
- Deep understanding of Layer 13 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, OSSBSS, and EMS platforms
Experience
- 8+ years in telecom, network security, or transmission engineering
- Proven experience securing large-scale carrier or enterprise networks
- Hands-on 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 & Above
