Network Engineer

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+, Fortinet NSE/FCP, Palo Alto PCNSA, or similar industry certifications. Work Environment Hybrid work environment based in Norcross, GA. Frequent interaction with global technology teams, business stakeholders, customers, vendors, and carriers. Ability to work in data center and office environments, including installation and support of networking equipment. Ability to lift and move equipment weighing up to 50 lbs. Participation in after-hours maintenance activities and on-call rotation. Occasional domestic and international travel may be required. Applicants must be currently authorized to work in the United States on a full-time basis. This position does not offer sponsorship for employment visa status or work permit now or in the future. I n return for your expertise, we offer opportunities for growth, career development, and a competitive compensation and benefits package—all within an innovative and collaborative work environment. Are you ready to help us transform the payments ecosystem? To learn more about ACI Worldwide, visit our web site at www.aciworldwide.com Job ID (Requisition #20012) ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally. Important Notice About Recruitment Scams Job seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company ( www.aciworldwide.com / @aciworldwide.com). The ACI Worldwide recruitment team will always follow official channels and will never request payment. #LI-LF1 #LI-Hybrid