Senior Network Engineer - Mission-Critical Payments Infra

Euronet-Worldwide,-Inc.; Norcross (GA); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

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

Casual Office Attire

Job summary

Euronet-Worldwide, Inc. (CoreCard) is seeking a Senior Network Engineer to join our Norcross office. You will support 24x7 payment processing environments with 99.999% uptime targets, serving as the go-to expert for production networks, security, and infrastructure projects.

You will troubleshoot LAN/WAN/VPN, maintain secure processing environments, and contribute to policy and architecture improvements. On-call rotations and project work are part of the role.

Qualifications

• 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.

Responsibilities

• 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.

Skills

SonicWall/Fortinet firewall

VPN design & config

Cisco/Dell routing & switching

IP subnetting

Active Directory & Windows Server

DNS/DHCP/GPO

VMware/ESXi

PCI security & audits

Microsoft Defender/O365

Education

Bachelor's degree in a related field

5–10 years network engineering experience

Tools

AWS

Azure

Job description

Euronet-Worldwide, Inc. (CoreCard) is seeking a Senior Network Engineer to join our Norcross office. You will support 24x7 payment processing environments with 99.999% uptime targets, serving as the go-to expert for production networks, security, and infrastructure projects.

You will troubleshoot LAN/WAN/VPN, maintain secure processing environments, and contribute to policy and architecture improvements. On-call rotations and project work are part of the role.