Senior Network Engineer - Data Center/Enterprise-level Experience

Our Fortune 500 company is driving a digital transformation and looking for forward-thinking innovators to disrupt how our industry thinks about and uses technology. As one of the world's leading employee benefits providers, we help millions of people gain affordable access to benefits that help them protect their families, their finances and their futures.

Are you an asker of questions, a solver of problems, and a challenger of the status quo? Our mission is to provide a differentiated customer experience and exceed the expectations people have of technology at any company — not just insurers. 

We are seeking individuals to join our team of talented IT professionals who share never-ending passion and an unwavering focus on our customer experience. Team members comfortable working in an agile, fast-paced, and delivery-focused environment thrive in our environment where we value an entrepreneurial spirit and those who challenge the status-quo.

Unum is changing, and we’re excited about what’s next. Join us.

General Summary:

UNUM is seeking a Sr. Network Engineer to join our growing team. This individual will be responsible for designing, implementing, maintaining, and supporting our enterprise network infrastructure. The Sr. Network Engineer must have strong expertise in core networking areas such as routing, switching, and firewalls, along with proficiency in several additional domains, including VPN platforms, IoT management, network access, wireless technologies, cloud environments, and automation scripting.

This role involves regular collaboration with technical teams and business application stakeholders to provide or receive technical guidance. A solid understanding of multiple computing platforms (physical, virtual, and cloud) is essential, as is the ability to quickly adapt to a complex, large-scale environment.

Technical Expertise Includes:

Palo Alto (5820, 850, 3200)
VX-LAN, EVPN, VPN
Cisco, Equinix, Arista
Forescout Access Controls
Azure and AWS

This is a hybrid role that requires a minimum of 2 days onsite at one of our campuses: Atlanta, GA, Chattanooga, TN, Portland, ME, or Columbia, SC.

Job Specifications

• Bachelor’s degree in a related field or equivalent experience.
• Relevant certifications (e.g., CCNP, CCIE, AWS Solutions Architect) are a plus.

Technical Expertise

• Proven experience supporting large-scale LAN, WAN, and data center networks.
• In-depth knowledge of networking protocols (e.g., OSPF, BGP, IPSec, QoS).
• Proficiency with Cisco, Arista (VXLAN, EVPN), firewalls, and collaboration systems.
• Hands-on experience with tools like Wireshark, NetFlow, and IT monitoring solutions.

Additional Skills

• Familiarity with identity management (Active Directory, Azure AD, MFA).
• Experience with cloud networking (AWS, Azure).
• Knowledge of ITIL processes (incident, problem, and change management).
• Ability to analyze and resolve complex technical issues.

Soft Skills

• Strong communication skills, able to convey complex ideas clearly.
• Team-oriented with a collaborative mindset.
• Adaptability to learn and implement new technologies.
• Agile methodology experience preferred.

Principal Duties and Responsibilities

Network Design & Support

• Architect, maintain, and provide advanced support for:
  • Firewalls (Next-Gen)
  • Wireless networks
  • Network Access Control (NAC)
  • Cloud proxies and Zero Trust Network Access (ZTNA)
  • Load balancers and IP Address Management
• Serve as a subject matter expert for Network Access Control (e.g., Forescout, Cisco ISE).
• Troubleshoot and resolve Level 3 escalations, ensuring adherence to ITSM protocols.
• Optimize network performance through monitoring, analysis, and reporting.

Technical Leadership

• Partner with IT architecture teams to align implementations with strategic roadmaps.
• Evaluate and implement emerging network technologies and service offerings.
• Collaborate with cloud providers (AWS, Azure) to integrate network solutions.
• Mentor team members and foster knowledge sharing.

Security & Compliance

• Design and enforce information security controls to protect network assets.
• Ensure compliance with internal policies, external regulations, and disaster recovery plans.
• Manage integration of third-party solutions with enterprise systems.