Senior Network Security Engineer
Core
Executing and advancing the security posture of Comcast's core network platforms through secure architecture, vulnerability remediation, and configuration compliance.
Role type
Senior Network Security Engineer (Platform Owner)
Builds
Secure network environments for Comcast's connectivity and platforms serving hundreds of millions of customers
Domain
Telecommunications / Network Security
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Network security architecture, vulnerability remediation, patch validation, configuration compliance, access control enforcement, vendor hardening, routing and switching, TCP/IP, DNS, DHCP, BGP, OSPF, MPLS, network segmentation, AAA/TACACS+/RADIUS, PKI/certificates, IDS/IPS, firewalls, VPNs, PCI-DSS, SOC 2, NIST, CIS Controls, CVE analysis, change management, incident management
Preferred skills
Carrier-grade network infrastructure security, CIS Benchmarks/NIST/CISA hardening methodologies, automation scripting (Python, Ansible, PowerShell, Terraform), Zero Trust principles, privileged access management, security incident response, forensic investigations, cloud networking (AWS, Azure, GCP), industry certifications (CISSP, CCNP Security, JNCIS/JNCIP, GIAC, Security+)
Technologies
Cisco, Juniper, Arista, Nokia, F5, Fortinet, Python, Ansible, PowerShell, Terraform, AWS, Azure, GCP
Responsibilities
Own security posture and execution roadmap for network domains; lead vulnerability remediation and risk mitigation; validate secure software releases in lab environments; drive secure configuration rollout and compliance enforcement; support audit readiness for PCI, SOC 2, and internal reviews; configure and operationalize new network security solutions; develop network security and resiliency standards; maintain continuous compliance by monitoring controls and validating configuration drift; review network designs for security risks; perform security assessments of network platforms; partner with cross-functional teams to implement least-privilege access; engage vendors to resolve product security issues; assist with disaster recovery and incident response preparation; improve team execution by documenting standards and playbooks; track execution progress and metrics across remediation initiatives
Seniority
Senior, hands-on IC
