Network System Engineer

Key Responsibilities

• Cisco DNA Center Administration
• Validate and maintain property accounting within Cisco DNA Center for BAT's US network assets
• Manage and maintain Cisco NAC (Network Access Control) configurations for BAT's US network
• Administer Cisco ISE (Identity Services Engine) policies and configurations
• Apply BAT-provided global standards and templates to BAT's US Network through DNA Center
• Monitor network health and compliance through DNA Center dashboards and analytics
• Voice Systems Engineering
• Provide systems-level support for Cisco Call Manager and voice infrastructure configurations
• Support the technical engineering aspects of the planned Microsoft Teams voice migration
• Maintain and troubleshoot voicemail systems and associated integrations
• Aid in coordinating Cisco SmartNet support for EOL IP phones during the transition period
• Develop and document voice system migration records and configuration baselines
• Network Monitoring & Tooling
• Implement and configure SolarWinds as a Network Monitoring Tool for US BAT Devices
• Integrate SolarWinds with BAT's ServiceNow ITSM platform for automated incident creation
• Monitor SolarWinds alerts and coordinate response with the appropriate BAT and AT&T teams
• Assist with troubleshooting NTP-related issues in coordination with BAT's Qradar team
• Aid in troubleshooting NTP system issues at BAT's ROC and Plaza locations
• Security & Compliance
• Support security audit activities and maintain remediation tracking documentation
• Ensure Cisco NAC and ISE policies remain aligned with BAT's security standards
• Work with BAT's Active Directory team to resolve DHCP-related issues and service disruptions
• Participate in security-related change management processes and documentation

Qualifications & Skills

• 5+ years of experience in enterprise network systems engineering
• Hands-on experience with Cisco DNA Center, Cisco ISE, and Cisco NAC
• Knowledge of Cisco Unified Communications and voice system administration
• Experience with SolarWinds NMS and ServiceNow ITSM integration
• Familiarity with Microsoft Teams voice services (Direct Routing preferred)
• Understanding of network security frameworks and access control policies
• CCNP Enterprise or CCNP Collaboration certification preferred