Senior Cisco ACI Engineer

We are looking for a Senior Cisco ACI Engineer to design, implement, and optimize Cisco Application Centric Infrastructure (ACI) solutions for our global payments platform.

This position is not eligible for sponsorship; candidates must be a U.S. citizen or a legal green‑card holder.

The Senior Cisco ACI Engineer will serve as a subject‑matter expert, mentoring and training team members, driving automation initiatives, and ensuring best practices for scalable and secure network operations.

• Lead the architecture and deployment of new Cisco ACI fabrics, including spine‑leaf topology and APIC controllers.
• Support day‑to‑day operations and troubleshooting of ACI environments.
• Define and implement ACI policies, tenants, VRFs, bridge domains, and contracts to meet business objectives.
• Provide technical guidance, mentorship, and hands‑on training to junior engineers and operations staff.
• Develop internal knowledge‑sharing sessions and documentation for ACI best practices.
• Integrate ACI with virtualization platforms (VMware, Hyper‑V) and cloud environments.
• Utilize Nexus Dashboard, Catalyst Center, and other tools to monitor ACI health and resolve complex issues.
• Participate in an on‑call rotation for Tier‑4 off‑hour support during maintenance windows and troubleshooting.
• Collaborate with network architects, security teams, and application owners to ensure secure and scalable deployments.
• Evaluate new technologies, create proof of concepts, and perform on‑call support for Network Operations.

• Strong understanding of the TCP/IP stack and network technologies.
• Experience administering routers, switches, firewalls, and load balancers.
• Expert‑level knowledge of Cisco ACI architecture, APIC controllers, and Nexus 9000 series switches.
• Planning, building, and troubleshooting ACI environments from design to implementation.
• Advanced troubleshooting skills for ACI and traditional data center routing/switching.
• Proficient in network protocols (BGP, OSPF, VXLAN, MPLS).
• Proven experience in mentoring and training technical teams.
• Familiarity with ACI integrations (VMware vCenter, Service Now, cloud platforms).
• Excellent leadership, communication, and problem‑solving skills.
• Understanding of PCI security standards and practices.
• Strong documentation skills, including detailed physical and logical network diagrams.
• Experience evaluating new technologies through proof of concepts.
• Understanding of on‑call support for Network Operations.

• CCNP Data Center or CCIE Data Center certification.
• Experience with Nexus Dashboard, Catalyst Center, and ACI Multi‑Site Orchestrator.
• Knowledge of Dev Ops practices and CI/CD pipelines for network automation.
• Proficiency with automation tools (Ansible, Python scripting).
• Experience with firewalls, load balancers, and Infrastructure as Code.

Bachelor’s degree in Computer Science, Information Technology, or a related field.

At least 7 years of network engineering experience, with a minimum of 5 years focused on Cisco ACI and proven project leadership and training capabilities.

Global Payments Inc. is an equal opportunity employer. We provide equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex (including pregnancy), national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information, or any other basis protected by law.