Network System Engineer

About the group

Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about accepting digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the constantly evolving needs of the digital era. Our broad approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to own the business in a secure environment.

* Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Location:

Winston-Salem, NC

DNA Center
· ISE
· NAC
· Solar Winds–Service Now

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.

• 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

• 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 Smart Net support for EOL IP phones during the transition period
• Develop and document voice system migration records and configuration baselines

• Implement and configure Solar Winds as a Network Monitoring Tool for US BAT Devices
• Integrate Solar Winds with BAT's Service Now ITSM platform for automated incident creation
• Monitor Solar Winds 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

• 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

• 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

• 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 Solar Winds NMS and Service Now 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

Disclaimer:
The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

* Please note, this role is not able to offer visa transfer or sponsorship now or in the future*