Senior Network Engineer Jobs (No ghost jobs, direct from employers)

What We Need Corpay is currently looking to hire a Senior Network Engineer. In this role, the Senior Network Engineer will design, implement, secure, and support a global enterprise network environment. This role is hands-on and requires strong technical experience with Cisco routing, switching, firewalls, remote-access VPN, F5 load balancing, network automation, and network-security policy management.

The successful candidate will be a senior technical resource for network operations, projects, troubleshooting, and security/compliance initiatives. They must be comfortable working independently, collaborating with infrastructure and security teams, participating in change management, and supporting occasional after-hours maintenance or incident response. You will work with internal teams and report directly into the Global Network Director.

How We Work As a Senior Network Engineer, you will work in an onsite environment, reporting to our Peachtree Corners office location 5 days per week. Corpay will set you up for success by providing:

Assigned workspace in our Peachtree Corners office location

Company-issued equipment

Formal, hands-on training

Role Responsibilities The responsibilities of the role will include:

Designing, implementing, operating, and troubleshooting enterprise LAN, WAN, Internet edge, data center, and remote-site networks. Configuring and supporting Cisco routers, Catalyst/Nexus switches, ASA firewalls, and Cisco Secure Firewall Threat Defense (FTD) appliances managed through FMC. Supporting routing and switching technologies including BGP, OSPF, EIGRP, VLANs, HSRP/VRRP, port channels, QoS, multicast, and network segmentation. Administering and troubleshooting firewall access-control policies, NAT, intrusion policies, site-to-site VPNs, remote-access VPNs, and SSL VPN/SAML integrations. Managing F5 BIG-IP LTM services, including virtual servers, pools, monitors, SSL profiles, persistence, iRules, traffic troubleshooting, and high availability. Supporting wireless infrastructure, including wireless LAN design, access-point deployment, SSIDs, authentication, guest access, and troubleshooting. Administering network access control solutions such as Aruba/HP ClearPass or equivalent platforms, including 802.1X, RADIUS, TACACS+, device profiling, and guest/BYOD access. Using NetBrain or equivalent tools for network discovery, documentation, mapping, automation, and troubleshooting. Using AlgoSec or equivalent firewall-policy management tools to analyze, validate, document, and implement firewall changes. Partnering with Security, Infrastructure, Cloud, Help Desk, and application teams to deliver secure, reliable connectivity. Participating in PCI, audit, vulnerability-remediation, and network-segmentation initiatives. Creating and maintaining network diagrams, standards, operational procedures, implementation plans, and support documentation. Leading or participating in network upgrades, migrations, acquisitions, and new-site deployments. Analyzing complex network incidents, perform root-cause analysis, and recommend long-term corrective actions. Participating in an on-call rotation and provide support during planned maintenance windows when needed.

Qualifications

Bachelor's degree in Information Technology, Computer Science, or related field; equivalent professional experience will be considered. 7+ years of progressively responsible enterprise network engineering experience. Strong hands-on experience with Cisco routers, switches, ASA, and FTD firewalls. Strong understanding of TCP/IP, DNS, DHCP, NAT, VLANs, routing, switching, and network-security principles. Strong experience with dynamic routing protocols, especially BGP and OSPF. Experience supporting enterprise VPN technologies, including site-to-site IPsec and remote-access SSL VPN. Experience with F5 BIG-IP LTM, including virtual servers, pools, monitors, SSL/TLS, and high-availability configurations. Experience with NetBrain, AlgoSec, or comparable network automation, policy-management, or topology-mapping tools. Experience with enterprise wireless and network-access control solutions, preferably Aruba/HP ClearPass or equivalent. Ability to troubleshoot packet-level network and application connectivity issues using tools such as Wireshark, tcpdump, packet captures, and flow data. Experience working within formal change-management, incident-management, and problem-management processes. Strong written and verbal communication skills, including the ability to explain technical issues to both technical and non-technical stakeholders.

Preferred Qualifications

Cisco certifications such as CCNP Enterprise, CCNP Security, or CCIE. F5 Certified Technology Specialist (CTS) or comparable F5 experience. Experience with Cisco FMC, Secure Firewall, Secure Workload, Meraki, ThousandEyes, or SD-WAN. Experience with ServiceNow, automation workflows, Python, Ansible, REST APIs, or infrastructure-as-code practices. Experience supporting cloud networking in AWS and/or Microsoft Azure. Experience in a regulated environment, particularly PCI DSS, financial services, or payment-processing environments. Experience with Zscaler, SASE, zero-trust, segmentation, or security-compliance tooling.

Core Competencies

Strong troubleshooting and analytical skills. Ability to prioritize multiple incidents, projects, and operational responsibilities. Sound judgment when balancing security, availability, performance, and business requirements. Ownership mentality and ability to work independently. Collaborative, service-oriented approach with internal customers and technology partners. Commitment to maintaining current technical knowledge and recommending practical improvements.

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