Manager of Network and Infrastructure

The Manager of Network & Infrastructure Security leads a team responsible for securing the organization's network and infrastructure environment. This role oversees network security architecture, segmentation, vulnerability and exposure management, and infrastructure hardening while partnering with infrastructure, cloud, and IT teams to strengthen the organization's overall security posture.

• Lead and develop a team of network and infrastructure security engineers.
• Oversee network security architecture, edge security, and segmentation initiatives.
• Manage vulnerability scanning, exposure management, and remediation efforts.
• Drive infrastructure hardening across servers, network devices, and related systems.
• Partner with cross-functional teams to implement security best practices.
• Communicate security risks and strategic recommendations to leadership.

• Bachelor's degree or equivalent experience.
• 7+ years of network/infrastructure security experience, including 5+ years in a senior or lead engineering role.
• Expertise in firewalls, IDS/IPS, VPNs, secure network design, segmentation, and infrastructure hardening.
• Experience with vulnerability management, risk prioritization, and security frameworks such as NIST or CIS.
• Familiarity with Zero Trust, Secure Web Gateway (SWG), or related security technologies.
• Strong leadership, communication, and stakeholder management skills.

• Experience with large-scale data center, cloud, or HPC environments.
• Familiarity with infrastructure inventory platforms (e.g., NetBox).
• Industry certifications such as CISSP, CISM, or CCNP Security.

Thomas Edwards Group is an Executive Search Firm specializing in the direct hire and interim placement of Accounting, Finance, HR and IT professionals. We’ve been in business since 1997 and the Dallas Business Journal has ranked us a Top Search Firm in Dallas and one of the “Best Places to Work” multiple times. Thomas Edwards Group also made the Inc. 5000 list in 2016 and our award-winning team of Search Consultants, which rank among the best and most experienced in the area, includes MBAs, CPAs, former Big 4 Professionals, Controllers, IT Search Professionals, Finance/Banking, and Business Professionals.