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
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!
