{"schemaVersion":"jobsearcher.job.v1","id":"eb94d0672bec9a428945c5b7","url":"https://jobsearcher.com/jobs/eb94d0672bec9a428945c5b7","canonicalUrl":"https://jobsearcher.com/jobs/eb94d0672bec9a428945c5b7","title":"Network Security Engineer","description":"Not available for C2C engagements Vendors marketing candidates will be blocked Must be local to the DFW metro - this is onsite 5 days a week You will be rejected if not local Must have experience:At least one network security certification from Palo, Cisco, or JuniperOperation Firewall supportTCP/IP, routing, switching, DNS, SSL/TLS, and security principlesCompany OverviewThe Intersect Group is partnering with a leading organization that supports a large scale, highly connected enterprise environment where security, operational excellence, and technology innovation are critical to business success. The organization is committed to maintaining resilient, secure infrastructure while continuously improving its cybersecurity capabilities across a complex network landscape. This is an opportunity to join a collaborative technology team that values accountability, continuous learning, and hands on problem solving.Role SummaryWe are seeking a Network Security Engineer II to join a growing Infrastructure and Security team. This role is responsible for maintaining, securing, and optimizing enterprise network security platforms with a primary focus on firewall administration, VPN technologies, web application security, and operational security support.This is a hands on engineering position focused on day to day security operations rather than architecture or strategic design. The ideal candidate will play a key role in protecting critical infrastructure by managing firewall environments, supporting secure remote connectivity, assisting with incident response, and driving vulnerability remediation efforts. This individual will work closely with cross functional teams to ensure network security technologies remain effective, compliant, and aligned with business needs.Key Responsibilities• Administer and support enterprise firewall environments, including policy management, rule reviews, audits, and remediation activities• Configure, maintain, troubleshoot, and optimize site to site VPN connections and remote access solutions• Provide advanced support for Palo Alto GlobalProtect services and resolve complex connectivity issues• Manage and enhance Imperva Web Application Firewall deployments, including policy tuning, event analysis, and coverage expansion• Review security events and participate in security operations, incident response, and threat mitigation activities• Perform vulnerability remediation activities and partner with infrastructure teams to address security findings• Develop and maintain network security standards, procedures, diagrams, and technical documentation• Support infrastructure modernization initiatives and continuously improve security processes and controlsKey Requirements• 3 to 5 years of experience in Network Security Engineering, Cybersecurity Engineering, or a closely related discipline• Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field• At least one active vendor network security certification is required• Experience with Palo Alto firewalls, site to site VPN technologies, Palo Alto GlobalProtect, and Imperva Web Application Firewall• Strong understanding of TCP/IP, routing, switching, DNS, SSL/TLS, network security principles, and firewall policy management• Experience performing firewall administration, operational security support, incident response activities, and vulnerability remediation• Strong troubleshooting, analytical, and technical documentation skills• Excellent communication skills with the ability to collaborate effectively across technical and business teamsPreferred Qualifications• Palo Alto certifications such as PCNSA or PCNSE• Cisco certifications, with CCNA preferred• Juniper security certifications• CISSP certification• GSEC or other GIAC security certifications• Experience supporting cloud platforms including Azure, AWS, or GCP• Knowledge of Zero Trust networking principles• Experience supporting organizations within convenience retail, fuel operations, supply chain, or similarly distributed environmentsWork Environment• Full time, onsite position located in Irving, Texas• Occasional after hours support may be requiredWhat Success Looks Like• Approximately 30% to 40% focused on firewall administration and governance• Approximately 30% focused on VPN support and connectivity management• Approximately 20% to 30% focused on security operations and incident support• Approximately 20% focused on vulnerability remediation and continuous security improvementApply TodayIf you are a hands on Network Security Engineer who enjoys solving complex operational security challenges and working with industry leading technologies, we encourage you to apply. Please submit your resume and contact information to The Intersect Group for immediate consideration. We look forward to connecting with professionals who are passionate about protecting and strengthening enterprise network environments.","company":"Intersect Group","rawCompany":"intersect group","city":"Arlington","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-10-19T10:50:22.233Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Network Security Engineer","description":"Not available for C2C engagements Vendors marketing candidates will be blocked Must be local to the DFW metro - this is onsite 5 days a week You will be rejected if not local Must have experience:At least one network security certification from Palo, Cisco, or JuniperOperation Firewall supportTCP/IP, routing, switching, DNS, SSL/TLS, and security principlesCompany OverviewThe Intersect Group is partnering with a leading organization that supports a large scale, highly connected enterprise environment where security, operational excellence, and technology innovation are critical to business success. The organization is committed to maintaining resilient, secure infrastructure while continuously improving its cybersecurity capabilities across a complex network landscape. This is an opportunity to join a collaborative technology team that values accountability, continuous learning, and hands on problem solving.Role SummaryWe are seeking a Network Security Engineer II to join a growing Infrastructure and Security team. This role is responsible for maintaining, securing, and optimizing enterprise network security platforms with a primary focus on firewall administration, VPN technologies, web application security, and operational security support.This is a hands on engineering position focused on day to day security operations rather than architecture or strategic design. The ideal candidate will play a key role in protecting critical infrastructure by managing firewall environments, supporting secure remote connectivity, assisting with incident response, and driving vulnerability remediation efforts. This individual will work closely with cross functional teams to ensure network security technologies remain effective, compliant, and aligned with business needs.Key Responsibilities• Administer and support enterprise firewall environments, including policy management, rule reviews, audits, and remediation activities• Configure, maintain, troubleshoot, and optimize site to site VPN connections and remote access solutions• Provide advanced support for Palo Alto GlobalProtect services and resolve complex connectivity issues• Manage and enhance Imperva Web Application Firewall deployments, including policy tuning, event analysis, and coverage expansion• Review security events and participate in security operations, incident response, and threat mitigation activities• Perform vulnerability remediation activities and partner with infrastructure teams to address security findings• Develop and maintain network security standards, procedures, diagrams, and technical documentation• Support infrastructure modernization initiatives and continuously improve security processes and controlsKey Requirements• 3 to 5 years of experience in Network Security Engineering, Cybersecurity Engineering, or a closely related discipline• Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field• At least one active vendor network security certification is required• Experience with Palo Alto firewalls, site to site VPN technologies, Palo Alto GlobalProtect, and Imperva Web Application Firewall• Strong understanding of TCP/IP, routing, switching, DNS, SSL/TLS, network security principles, and firewall policy management• Experience performing firewall administration, operational security support, incident response activities, and vulnerability remediation• Strong troubleshooting, analytical, and technical documentation skills• Excellent communication skills with the ability to collaborate effectively across technical and business teamsPreferred Qualifications• Palo Alto certifications such as PCNSA or PCNSE• Cisco certifications, with CCNA preferred• Juniper security certifications• CISSP certification• GSEC or other GIAC security certifications• Experience supporting cloud platforms including Azure, AWS, or GCP• Knowledge of Zero Trust networking principles• Experience supporting organizations within convenience retail, fuel operations, supply chain, or similarly distributed environmentsWork Environment• Full time, onsite position located in Irving, Texas• Occasional after hours support may be requiredWhat Success Looks Like• Approximately 30% to 40% focused on firewall administration and governance• Approximately 30% focused on VPN support and connectivity management• Approximately 20% to 30% focused on security operations and incident support• Approximately 20% focused on vulnerability remediation and continuous security improvementApply TodayIf you are a hands on Network Security Engineer who enjoys solving complex operational security challenges and working with industry leading technologies, we encourage you to apply. Please submit your resume and contact information to The Intersect Group for immediate consideration. We look forward to connecting with professionals who are passionate about protecting and strengthening enterprise network environments.","datePosted":"2026-10-19T10:50:22.233Z","dateModified":"2026-10-19T10:50:22.233Z","hiringOrganization":{"@type":"Organization","name":"Intersect Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Arlington","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"eb94d0672bec9a428945c5b7"},"url":"https://jobsearcher.com/jobs/eb94d0672bec9a428945c5b7"}}