Transmission Network Security Engineer (Telecom)

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:
  
  • IPsec
    
  • MACsec
    
  • TLS
    
  • PKI
    
• 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
  

Cyber Security

Experience Required

10 & Above