Network Engineer at ACI Worldwide in Norcross, GA

Job description

Powering the world’s payments ecosystem ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments. As a Network Engineer in Norcross, GA , you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem! Key Responsibilities Network Operations & Engineering Design, deploy, maintain, and troubleshoot enterprise LAN, WAN, SD-WAN, wireless, and data center networking environments. Configure and support routing and switching technologies including BGP, OSPF, VRFs, VLANs, QoS, ACLs, and network segmentation. Support enterprise connectivity across corporate offices, cloud platforms, carrier networks, and data centers. Monitor network health, availability, performance, and capacity utilizing enterprise monitoring platforms and analytics tools. Participate in network incident response, root cause analysis (RCA), and implementation of corrective actions. Security & Infrastructure Support and maintain network security technologies including next-generation firewalls, remote access solutions, VPNs, web filtering, DDoS protection, and network access controls. Implement and maintain security policies, firewall rules, access controls, and segmentation standards in partnership with Information Security teams. Assist with compliance initiatives including PCI DSS, audit requests, vulnerability remediation, and security reviews. Automation & Continuous Improvement Develop and maintain automation solutions using scripting and infrastructure management tools to improve network provisioning, monitoring, reporting, and operational efficiency. Leverage AI-assisted and network automation platforms to streamline troubleshooting, validation testing, and routine operational tasks. Create and maintain technical documentation, diagrams, standards, and operational procedures. Resiliency & Project Delivery Conduct failover, disaster recovery, and resiliency testing of network infrastructure. Participate in technology refreshes, office moves, carrier migrations, network modernization efforts, and infrastructure upgrades. Evaluate vendor solutions, assist with budgeting and cost analysis, and support project planning and implementation activities. Participate in an on-call rotation supporting critical business operations. Required Qualifications Associate's or Bachelor's degree in Computer Science, Information Technology, Network Engineering, or related field, or equivalent work experience. 2+ years of experience supporting enterprise network infrastructure. Experience with: Routing and switching technologies Network troubleshooting and packet analysis Firewall administration and network security concepts TCP/IP, DNS, DHCP, VPN, and wireless networking Network performance monitoring and diagnostics Understanding of high-availability networking, redundancy, and disaster recovery concepts. Excellent troubleshooting, communication, and documentation skills. Preferred Qualifications Experience with one or more of the following technologies: Fortinet FortiGate, FortiManager, and FortiAnalyzer Palo Alto Networks firewalls, Global Protect VPN Arista switching and routing platforms, including EOS, CloudVision, VXLAN/EVPN, BGP, OSPF, MLAG, and data center fabric technologies. Cisco Catalyst, Nexus, and Wireless platforms Load Balancing Technologies – F5 GTM/LTM and Vmware AVI Infoblox DNS, DHCP, and IPAM Microsoft Azure networking SolarWinds, NetBrain, or similar monitoring platforms Experience with scripting and automation using PowerShell, Python, REST APIs, or Ansible. Knowledge of PCI DSS, network security frameworks, and enterprise compliance requirements. CCNA, Network+,