LendingTree · 11 hours ago
Sr. Networking Engineer
Charlotte, NC, United States
Full-time
Hybrid
Mid, Senior Level
$110K/yr - $140K/yr
5+ years expLendingTree is a company focused on innovation and collaboration, and they are seeking a Senior Network Engineer to lead the implementation and maintenance of their enterprise network infrastructure. The role involves working with Fortinet products and collaborating with various teams to support network modernization and reliability initiatives.
Commercial LendingCreditCredit CardsE-CommerceFinanceFinancial ServicesFinTechLendingMarketplaceMobile Apps
Responsibilities
Design, implement, and maintain enterprise network infrastructure including Fortinet firewalls (FortiGate), switches (FortiSwitch), and wireless access points (FortiAP)
Manage and optimize FortiSASE (Secure Access Service Edge) for secure remote access and SD-WAN connectivity
Administer FortiNAC (Network Access Control) for device visibility, authentication, and network segmentation
Monitor network performance, troubleshoot complex issues, and ensure high availability of critical network services
Implement and maintain network security policies, VPNs, and firewall rules aligned with security best practices
Perform capacity planning and make recommendations for network infrastructure upgrades and expansions
Design and implement cloud networking solutions in AWS (VPC, Transit Gateway, Direct Connect, Route 53, CloudFront, etc.)
Design and implement cloud networking solutions in Azure (VNet, VPN Gateway, ExpressRoute, Azure Firewall, Traffic Manager, etc.)
Build and maintain hybrid cloud connectivity between on-premises Fortinet infrastructure and cloud environments
Support hybrid cloud connectivity between on-premises Fortinet infrastructure and cloud environments
Assist with cloud-native security controls and network segmentation
Leverage SumoLogic and FortiAnalyzer for network observability, log analysis, and alerting
Define and monitor Service Level Indicators (SLIs) and Service Level Objectives (SLOs) for network services
Participate in incident response, blameless postmortems, and root cause analysis
Identify and reduce toil through automation and process improvement
Contribute to runbooks and operational documentation to improve reliability
Develop and maintain Infrastructure as Code (IaC) using Terraform for network infrastructure provisioning and configuration management
Implement CI/CD pipelines for automated deployment of firewall rules, network configurations, and policy changes
Create automation scripts using Python, Ansible, or other tools to streamline network operations and reduce manual tasks
Leverage Fortinet APIs and SDKs for programmatic network management and orchestration
Build self-service capabilities and automation workflows to improve operational efficiency
Partner with InfoSec teams on implementing security controls and policies
Collaborate with DevOps and Platform Engineering teams to support application infrastructure requirements
Work with Infrastructure Engineering team on server, storage, and virtualization networking needs
Create and maintain network documentation, diagrams, and runbooks
Participate in on-call rotation to provide support for critical network infrastructure
Respond to and help resolve network incidents, outages, and performance issues
Perform planned network maintenance during change windows
Qualification
Required
5+ years of experience in network engineering or a related technical role
2+ years of hands-on experience with Fortinet products (FortiGate firewalls, FortiSwitch, or FortiAP)
Hands-on experience with cloud networking in AWS and/or Azure environments
Experience in enterprise-scale environments, leading projects, or mentoring teams
Mentor junior network engineers and provide technical guidance
Lead network architecture reviews and roadmap planning
Solid understanding of network protocols (BGP, OSPF, VLAN, STP, LACP, etc.)
Experience with VPN technologies (IPSec, SSL VPN, SD-WAN)
Familiarity with Git and CICD Pipelines
Fortinet: Working knowledge of FortiOS, FortiGate firewall configuration, FortiSwitch, FortiAP wireless, and FortiSASE
Cloud Networking: Basic understanding of AWS VPC design, Azure VNet architecture, and hybrid connectivity
Automation: Scripting skills in Python, Bash, or PowerShell; exposure to Terraform or Ansible
Observability: Hands-on experience with log management and monitoring tools (SumoLogic, FortiAnalyzer, CloudWatch, or similar)
Security: In-depth knowledge of network security principles, firewall policies, and VPN configurations
Troubleshooting: Experience with packet analysis tools (Wireshark, tcpdump)
Strong analytical and problem-solving skills
Leadership skills, ability to mentor and develop team members, strategic thinking, and experience influencing cross-functional stakeholders
Good communication skills with ability to document technical processes clearly
Ability to work effectively in a hybrid team environment
Eagerness to learn new technologies and grow technical expertise
Strong documentation skills and attention to detail
Ability to work collaboratively and ask questions when needed
Preferred
Fortinet NSE certifications: NSE 5+
Cloud certifications: AWS Advanced Networking Specialty or Azure Network Engineer Associate
Networking certifications: CCNA, CCNP, or equivalent
Hands-on experience with FortiManager and FortiAnalyzer for centralized management and analytics
Familiarity with containerized networking (Kubernetes, Docker)
Strong grasp of SRE practices, SLIs/SLOs, and incident management
Hands-on experience network observability platforms (SumoLogic, Datadog, Splunk)
Knowledge of DevOps practices and agile methodologies
Experience in a SOX-compliant or regulated environment
Strong understanding of SD-WAN optimization and application-aware routing
Bachelor's or Master's degree in Computer Science, Information Technology, Network Engineering, or related field (not required, but nice to have)
Benefits
Medical, dental, and vision insurance
401(k) matching
Eligible for annual performance bonus
Company
LendingTree
LendingTree is an online lending exchange that connects consumers with multiple lenders who compete for their business.
501-1000 employees
H1B Sponsorship
LendingTree has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (19)
2023 (21)
2022 (29)
2021 (58)
2020 (61)
Funding
Current Stage
Public CompanyTotal Funding
$650MKey Investors
Apollo
2025-08-21Post Ipo Debt· $475M
2024-03-27Post Ipo Debt· $175M
2008-08-12IPO
Leadership Team
Jason Bengel
Chief Financial Officer
Ian Smith
Chief Operating Officer
Recent News
2026-01-08
Benzinga.com
2025-11-18
Company data provided by crunchbase