Network Security Engineer II

7-Eleven • Irving, TX

5d

About The Position

7-Eleven is seeking a Network Security Engineer II to help protect and evolve its enterprise security environment across on-premises, cloud, and distributed networks. This is a hands-on engineering role involving the development, operation, and improvement of security controls in partnership with infrastructure, cloud, and application teams. The engineer will help strengthen the network security posture as the organization modernizes with cloud-native technologies, Zero Trust principles, and automation-driven practices.

The role includes engineering network and cloud security solutions; monitoring and responding to threats and incidents; managing vulnerabilities and risk; supporting regulatory and compliance requirements; improving operations through automation; and collaborating with technical teams while maintaining documentation. The position participates in a 24x7 on-call rotation for critical incidents.

Requirements

• Bachelor’s degree (four-year degree) or equivalent experience.
• At least 5 years of relevant work experience.
• Strong knowledge of networking fundamentals, including TCP/IP, routing, and segmentation.
• Strong knowledge of firewalls, IDS/IPS, VPNs, and network security monitoring tools.
• Strong knowledge of log analysis, SIEM integration, and security telemetry.
• Working familiarity with cloud networking and security concepts in AWS, Azure, or GCP.
• Working familiarity with Zero Trust architecture concepts.
• Working familiarity with automation or scripting using Python, PowerShell, or similar.

Nice To Haves

• Vendor or vendor-neutral security certifications such as PCNSE, CCNP Security, CISSP, GIAC, or CEH; equivalent experience is also accepted.

Responsibilities

• Design, deploy, and maintain network security solutions across enterprise, cloud, and hybrid environments.
• Engineer and support next-generation firewalls, network segmentation, secure site-to-site and remote-access connectivity, network access control, secure DNS, and traffic inspection.
• Implement and support security controls aligned with Zero Trust and least-privilege access models.
• Monitor network security platforms for threats, vulnerabilities, and anomalous behavior.
• Respond to security incidents, conduct root cause analysis, and recommend corrective actions.
• Review logs and telemetry data to improve visibility and detection.
• Participate in a 24x7 on-call rotation supporting critical incidents.
• Identify, prioritize, and remediate network security vulnerabilities.
• Implement compensating controls when full remediation is not immediately possible.
• Participate in security design and architecture reviews for new systems and integrations.
• Support regulatory and compliance requirements such as PCI-DSS and data privacy standards.
• Use scripting and automation to improve the reliability and efficiency of security operations.
• Contribute to Infrastructure-as-Code and CI/CD security integrations where appropriate.
• Assist with proof-of-concept testing and evaluation of new security tools and technologies.
• Partner with network, cloud, DevOps, and application teams to integrate security into designs and deployments.
• Provide guidance on network security best practices and emerging threats.
• Maintain documentation for configurations, standards, and incident response activities.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level