Senior Network Virtualization Engineer Jobs in Tennessee

Job Summary:
Unum is a Fortune 500 company driving a digital transformation in the employee benefits sector. They are seeking a highly experienced Senior Network Engineer to design, implement, and support next-generation network infrastructure across data center, cloud, and hybrid environments.
Responsibilities:
• Design and maintain scalable, resilient, and secure enterprise network architectures across on-premises, cloud, and hybrid environments.
• Lead network transformation initiatives, including data center modernization, cloud adoption, network segmentation, and automation.
• Evaluate emerging networking technologies and provide recommendations to leadership and architecture teams.
• Ensure network solutions meet performance, availability, security, and business continuity requirements.
• Serve as the subject matter expert for enterprise firewall technologies and network security architecture.
• Design, implement, and optimize Zero Trust Network Access (ZTNA) solutions and secure remote access frameworks.
• Develop network segmentation and micro-segmentation strategies to support Zero Trust initiatives.
• Partner with Information Security teams to ensure compliance with security standards, policies, and regulatory requirements.
• Design, deploy, and support modern data center network fabrics utilizing VXLAN EVPN architectures.
• Implement scalable Layer 2 and Layer 3 network virtualization solutions across multi-site environments.
• Support spine-leaf architectures and network fabric technologies to improve scalability and operational efficiency.
• Troubleshoot complex routing, switching, overlay, and underlay network issues.
• Develop operational standards and best practices for EVPN-based environments.
• Design and support enterprise application delivery platforms, including load balancing, traffic management, SSL offloading, and high availability services.
• Ensure optimal performance, availability, and security of business-critical applications.
• Collaborate with application teams to architect reliable and scalable application connectivity solutions.
• Resolve complex application performance and network-related issues.
• Design and implement cloud networking architectures across AWS, Azure, and hybrid cloud environments.
• Implement cloud-native networking services, routing, segmentation, and security controls.
• Collaborate with cloud engineering teams to establish networking standards and governance.
• Support cloud migration and modernization initiatives.
• Act as a trusted advisor to leadership, Enterprise Architecture, and Infra teams.
• Present architecture proposals, technical roadmaps, and risk assessments to technical and non-technical stakeholders.
• Translate complex concepts into business-focused outcomes.
• Participate in architecture review boards and strategic planning discussions.
• Mentor junior engineers and contribute to the development of technical standards and best practices.
Qualifications:
Required:
• 10+ years of experience in enterprise network engineering, architecture, and operations.
• Proven experience designing and supporting large-scale enterprise and data center networks.
• Demonstrated success leading complex infrastructure projects and network modernization initiatives.
• Expert-level experience with enterprise firewall technologies and security architecture.
• Extensive experience designing and implementing ZTNA and Zero Trust networking solutions.
• Strong expertise in application delivery technologies, including load balancing and traffic management.
• Deep hands-on experience with VXLAN EVPN, spine-leaf architecture, and modern data center networking.
• Strong knowledge of routing and switching protocols, including BGP, OSPF, and EVPN.
• Experience designing and supporting AWS and/or Azure cloud networking environments.
• Strong understanding of network segmentation, resiliency, disaster recovery, and high-availability architectures.
• Advanced troubleshooting and analytical skills across network, security, and application layers.
• Bachelor's degree in computer science, Information Technology, Engineering, or related field (or equivalent experience).
• Palo Alto Networks
• F5 Distributed Cloud (WAF, BOT, API Protection)
• Zscaler
• SASE Architectures
• F5 BIG-IP
• Cloud-native load balancing solutions
• Cisco Nexus
• Arista EOS
• Spine-Leaf Architecture
• VXLAN EVPN
• Multi-Tenant Network Fabrics
• AWS VPC, Transit Gateway, Direct Connect
• Azure Virtual Network, Virtual WAN, ExpressRoute
• Hybrid Cloud Connectivity
• Cloud Network Security
• Python
• Ansible
• Terraform
• Enterprise Network and Perimeter Security Architecture
• Zero Trust & ZTNA
• Data Center Networking VXLAN EVPN
• Application Delivery & Load Balancing
• Cloud Networking & Hybrid Connectivity
• Executive Communication
• Stakeholder Management
• Technical Leadership & Mentoring
• Problem Solving & Decision Making
Preferred:
• Experience with network automation, Infrastructure as Code (IaC), and orchestration tools is preferred.
• CCNP Enterprise or CCIE Enterprise Infrastructure
• PCNSE (Palo Alto Networks Certified Network Security Engineer)
• AWS Advanced Networking – Specialty
• Azure Network Engineer Associate
• Arista ACE
Company:
Since our founding in 1848, Unum has been a leader in the employee benefits business through innovation, integrity and an unwavering commitment to our customers. Founded in 1848, the company is headquartered in Chattanooga, USA, with a team of 10001+ employees. The company is currently Late Stage.