Senior Network Security Engineer

Mastercard

O'Fallon, Missouri, US
Base: $96,000 - $163,000 usd; bonus/equity: may be...
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Vmware nsx-t lifecycle management
Illumio microsegmentation platform
Private cloud and data center networking
** Mastercard is seeking a Senior Network Security Engineer to join their Micro-Segmentation Operations team in O'Fallon, Missouri. The role focuses on VMware NSX-T lifecycle management, microsegmentation for security, and incident management within the private cloud and data center network services. **

Job Summary

  • Mastercard powers economies and empowers people worldwide by delivering secure, simple, and accessible digital payment solutions.
  • The role involves managing VMware NSX-T upgrades, Illumio microsegmentation, certificate and license administration, and driving incident resolution in a high-availability environment.
  • Employees benefit from comprehensive insurance, paid leaves, 401k with company match, tuition reimbursement, and a merit-based inclusive culture.

Matching Summary

Match Score: 75

** Mastercard is seeking a Senior Network Security Engineer to join their Micro-Segmentation Operations team in O'Fallon, Missouri. The role focuses on VMware NSX-T lifecycle management, microsegmentation for security, and incident management within the private cloud and data center network services. **

Salary

Base: $96,000 - $163,000 USD; Bonus/Equity: May be eligible for annual bonus or commissions; Benefits: Insurance, paid leaves, 401k match, tuition reimbursement and more

Skills & Requirements

Must-have

  • VMware NSX-T lifecycle management
  • Illumio microsegmentation platform
  • Private cloud and data center networking
  • Network security policy design
  • Incident and problem management
  • Automation using PowerCLI and Python
  • ITIL change and incident processes

Nice-to-have

  • Cross-functional collaboration skills
  • Clear communication with technical and non-technical audiences
  • Familiarity with NSX Advanced Load Balancer
  • Exposure to physical networking and firewalling
  • Experience with compliance audits like PCI DSS
  • Knowledge of CI/CD pipelines
  • Ability to work in high-stakes operational contexts

Key Requirements

  • Hands-on VMware NSX-T expertise
  • Experience with Illumio Core or equivalent
  • Strong L2-L4 troubleshooting skills
  • Certificate management and license administration
  • Familiarity with ITIL frameworks
  • Preferred VMware VCP-NV or VCIX-NV certifications
  • Preferred Illumio certifications
  • Preferred RHCSA/Linux+ and ITIL v4 certifications

Work Rights

Not specified

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