Principal Network Engineer

Join the Team Making Possibilities Happen

If you’ve ever used an ATM, paid a bill through your phone, sent money to a friend or shopped online, chances are your transaction was safeguarded and processed using our software. Now it’s your turn to serve the payment needs of organizations and people the world over.

 

Key Responsibilities:

• Design and implement scalable, secure, and high-performance network solutions using Arista EOS and CloudVision.
• Architect and manage VMware AVI (NSX Advanced Load Balancer) deployments for application delivery and traffic management.
• Lead the configuration and lifecycle management of Palo Alto and Fortinet firewalls, including policy design, threat prevention, and VPNs.
• Oversee the integration and operation of Broadcom NSX for microsegmentation and virtual networking.
• Develop and maintain Ansible playbooks for network automation, configuration management, and compliance enforcement.
• Collaborate with cloud, security, and DevOps teams to align network infrastructure with business and application needs.
• Provide technical leadership and mentorship to junior engineers and cross-functional teams.
• Troubleshoot complex network issues and lead root cause analysis and resolution efforts.
• Evaluate emerging technologies and recommend improvements to enhance network performance and security.

 

Required Qualifications:

• 10+ years of experience in enterprise networking, with at least 3 years in a principal or lead role.
• Expert-level knowledge of Arista switches, VXLAN/EVPN, and CloudVision.
• Hands-on experience with VMware AVI and Broadcom NSX in production environments.
• Deep understanding of Palo Alto PAN-OS and Fortinet FortiOS, including centralized management platforms (Panorama, FortiManager).
• Proficiency in Ansible for network automation and infrastructure-as-code practices.
• Strong understanding of routing protocols (BGP, OSPF, IS-IS), multicast, QoS, and network security principles.
• Experience with hybrid cloud networking (AWS, Azure, or GCP) is a plus.
• Excellent communication, documentation, and leadership skills.

 

Preferred Certifications:

• Arista ACE or equivalent
• VMware NSX/AVI certifications
• Palo Alto PCNSE
• Fortinet NSE 4 or higher
• Cisco CCNP/CCIE (optional but beneficial)
• Red Hat Ansible Automation Certification

 

Benefits:  In return for your expertise, we offer growth, opportunity, and a competitive compensation and benefits package in a casual work environment. 

Are you ready to help us transform the world of electronic payments? To learn more about ACI Worldwide, visit our web site at www.aciworldwide.com Job ID (Requisition #16182)

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

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ACI Worldwide is a global leader in mission-critical, real-time payments software. Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage digital payments, power omni-commerce payments, present and process bill payments, and manage fraud and risk. We combine our global footprint with a local presence to drive the real-time digital transformation of payments and commerce.