The Network Systems Engineer (Voice & DNA Center) is a specialized technical resource responsible for managing BAT's Cisco DNA Center environment and supporting the voice systems infrastructure. This role bridges systems-level engineering with voice platform administration to ensure consistent network operations across BAT's US locations.

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

• Assist 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

• Troubleshoot NTP-related issues in coordination with BAT's Qradar team

• Assist with 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

Documentation & Reporting

• Produce network architecture documentation, configuration records, and technical diagrams upon request

• Contribute to weekly status reports with updates on DNA Center, voice systems, and monitoring tools

• Maintain infrastructure upgrade plans and implementation logs for all systems under this role's scope

• Document all material changes and communicate outcomes to the AT&T SPOC

QUALIFICATIONS & SKILLS

• 7+ 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