Senior Network Engineer
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Before you apply
LocationLeawood, Kansas, United States
Work modeon-site
Typefull-time
SenioritySenior
Experience5–10 yrs
EquityIncluded
Company size10,000+ people
PostedSep 29, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
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
Network or infrastructure certifications
AWS or Azure experience
Vendor management and software licensing experience
Skills
SonicWall
Fortinet
VPN
Cisco
Dell
Active Directory
Windows Server
DNS
DHCP
GPO
VMware
ESXi
vSAN
Microsoft Defender
O365
AWS
Azure
Benefits
401(k)
Health insurance
Dental insurance
Vision insurance
Employee stock purchase plan
Life insurance
Disability insurance
Tuition reimbursement
Paid time off
Paid holidays
About the company
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.
About the role
CoreCard is seeking a Senior Network Engineer. The Senior Network Engineer will 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.
Location: Leawood, KS or Norcross, GA
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
Requirements
•
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
Benefits
•
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!
Legal
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.