Senior Network Engineer

Euronet facilitates the movement of payments around the world, serving as a critical link between financial institutions, retailers, service providers, and their end consumers. Following Euronet’s acquisition of CoreCard, this is a unique opportunity to shape the future of card issuing and payment innovation while working with a global payments leader.

CoreCard is seeking a Senior Network Engineer located in our Norcross (Atlanta) office.The Senior Network Engineer to support our 24x7 payment processing environments, where uptime targets are 99.999%. You'll be the go-to expert for production network operations and infrastructure projects, from strategy and deployment through troubleshooting and optimization. You'll work on mission-critical payment systems where your work directly affects reliability, security, and customer trust.

What You'll Do

• Troubleshoot complex LAN, WAN, and VPN connectivity issues

• Maintain secure, high-availability payment processing and corporate infrastructure
• Serve as subject matter expert and provisioning engineer on key projects
• Analyze client networks and document physical and logical network diagrams
• Build and improve network policies, procedures, and security standards
• Provision and install hardware and software across end-user, corporate, and processing environments
• Take part in on-call rotation and emergency response

• 5–10 years of network engineering experience, or a Bachelor's degree plus relevant experience

• SonicWall and/or Fortinet firewall administration
• Strong VPN design and configuration, both site-to-site and client-to-site
• Cisco/Dell switch and router configuration, plus solid IP subnetting skills
• Active Directory, Windows Server (2012+), DNS, DHCP, and GPO
• VMware/ESXi administration (snapshots, storage, vSAN)
• PCI environment and audit experience, vulnerability scanning, and patching
• Microsoft Defender, endpoint security, and O365 administration

Preferred Quaifications

• Network or infrastructure certifications
• AWS or Azure experience
• Vendor management and software licensing experience

• 401(k) Plan with 6% Match
• Health/Dental/Vision Insurance
• Employee Stock Purchase Plan
• Company-paid Life Insurance
• Company-paid disability insurance
• Tuition Reimbursement
• Paid Time Off
• Paid Volunteer Days
• Paid Holidays
• Tuition Reimbursement
• Casual Office Attire
• Plus many more employee perks & incentives!

We are an Equal Opportunity Employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, or national origin, age, disability status, genetic information, protected veteran status, or any other characteristic protected by law.