Sr. Network Engineer

Senior Network Engineer

PLEASE NOTE:

This is a hybrid role requiring in-office presence 3 days per week (Monday–Wednesday or Tuesday–Thursday) with 2 days remote. The candidate must be in or near Charlotte, NC or have plans to relocate. This position includes participation in an on-call rotation to support critical network infrastructure.

Candidates must be legally authorized to work in the United States. Lending Tree and its affiliates (“Lending Tree”) will not provide or assume sponsorship for employment visas for this position, now or in the future.

The Opportunity As a Senior Network Engineer, you’ll play a key role in designing, implementing, and evolving Lending Tree’s enterprise network infrastructure. You’ll serve as a subject matter expert across our Fortinet-based environment while helping modernize our network through cloud connectivity, automation, Infrastructure as Code, and Site Reliability Engineering (SRE) practices.

You’ll work across Infrastructure Engineering, Security, Cloud Operations, and Dev Ops to build network services that are secure, scalable, highly available, and observable. This is a hands-on technical role with opportunities to influence architecture, lead projects, mentor engineers, and shape the future of Lending Tree’s network infrastructure across on-premises and cloud environments.

How You’ll Make an Impact Design, implement, maintain, and optimize enterprise network infrastructure, including Fortinet Forti Gate firewalls, Forti Switch, FortiAP, FortiSASE, and FortiNAC.Design and support cloud networking solutions across AWS and Azure, including hybrid connectivity between cloud environments and Lending Tree’s on-premises infrastructure.

Lead network modernization and automation initiatives using Infrastructure as Code, CI/CD, scripting, APIs, and tools such as Terraform, Ansible, and Python.

Improve the reliability and observability of network services by defining and monitoring SLIs and SLOs, analyzing logs and performance data, participating in incident response, and driving root cause analysis and continuous improvement.

Establish and maintain network security policies, firewall rules, VPNs, segmentation, and other controls in partnership with Information Security.

Troubleshoot complex network issues, respond to outages and performance problems, and participate in an on-call rotation supporting critical network infrastructure.

Lead network architecture reviews, capacity planning, roadmap development, and infrastructure upgrades and expansions.

Mentor junior network engineers and provide technical guidance across the organization.

Develop documentation, diagrams, runbooks, and operational processes that improve the reliability and maintainability of network services.

Who You’ll Work With You’ll work closely with Infrastructure Engineering, Information Security, Cloud Operations, Dev Ops, and Platform Engineering teams to support Lending Tree’s applications and technology environment. You’ll partner with technical stakeholders to design secure, reliable network solutions and translate infrastructure requirements into scalable implementations.

As a senior member of the team, you’ll also provide technical leadership through architecture reviews, project leadership, mentoring, and cross-functional collaboration. The role combines independent ownership with a highly collaborative operating model.

What You’ll Bring 5+ years of experience in network engineering or a related technical role.
2+ years of hands-on experience with Fortinet products, including Forti Gate, Forti Switch, or FortiAP.Hands-on experience with cloud networking in AWS and/or Azure environments.

Experience working in enterprise-scale environments and leading technical projects or initiatives.

Strong…