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# Network Firewall Engineer

- **Company:** Sumeru INC
- **Location:** Houston, TX, United States
- **Experience:** Starter
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Authentication Protocols, Microsoft Azure, Bash Shell, Unix, Cipher, Cloud Computing Security, Cyber Security, Domain Name System (DNS), Multi-Factor Authentication, Failover, Supervisory Control and Data Acquisition (SCADA), OSI Models, Python (Programming Language), Network Security, Networking Basics, Citrix Systems, OpenSSL, Public Key Infrastructure, Security Assertion Markup Language (SAML), Load Balancing, Software Security, Firewalls (Computer Science), Cisco, Citrix Netscaler
- **Published:** July 18, 2026
- **Apply:** https://www.careerjet.com/jobad/usa71f7e10b8a2dc0447bb0539834682d1

## About the Role

* Related university degree OR a twoyear technical diploma with 6 years of experience in network security architecture and enterprise infrastructure
 * Proven expertise Load Balancing technologies such as Citrix Netscalers and F5 BigIP as well Azure Front Door
 * Proven expertise in firewalls IPS WAF PKI DNS encryption technologies and cloud security solutions
 * Strong understanding of networking fundamentals protocols OSI model and secure application design with multilayered security approaches
 * Knowledgeable in UNIX environments and scripting eg Bash Python
 * Demonstrated strength in regulatory compliance audit readiness risk management and detailed technical documentation
 * Excellent understanding of designing building maintaining load balancer infrastructure
 * Solid understanding of core network security components including firewalls DNS and encryption technologies SSLTLS PKI OpenSSL ciphers
 * Good understanding of Authentication mechanisms such as SLDAP RADIUS SAML including Multi Factor Authentication
 * Excellent analytical troubleshooting organizational and written and verbal communication skills with the ability to influence through technical expertise

Working Conditions

 * Fastpaced highpressure environment with strict operational deadlines
 * Mix of officebased work with occasional field or infrastructurerelated activities
 * Participation in an oncall rotation including evenings and weekends and availability during emergencies

Skills
Mandatory Skills : Azure Infra Services, Netscaler LoadBalancer, SSE - Forti SASE, SSE - NetSkope, SSE - Zscaler (ZPA, ZIA)
Good to Have Skills : AWS Infra Services, F5 Load Balancer, SSE - Cisco Umbrella/Secure Access, SSE - Palo Alto Prisma

## Description

* Define and govern enterprise network security architecture standards and control frameworks
 * Lead security design for largescale initiatives including cloud transformations MA integrations and critical infrastructure
 * Act as a trusted advisor on network security risk compliance and audit readiness
 * Collaborate with cybersecurity infrastructure and operations teams to ensure endtoend secure solutions
 * Drive proactive lifecycle vulnerability and resiliency improvements across network security platforms
 * Influence technology roadmaps investment decisions and longterm security posture
 * Knowledge of OTICSSCADA environments from the network security perspective including Purdue zoning and segregation techniques between business and operational networks
 * Support application teams in designing redundant highavailability architectures with failover and recovery capabilities
 * Manage and maintain load balancer and network security infrastructure including upgrades patching and integration
 * Ensure network security infrastructure complies with Enbridge policies and industry best practices across enterprise SCADA and control systems environments
 * Lead and support business continuity and disaster recovery initiatives while participating in oncall rotation and maintaining a strong focus on operational excellence, Title: Diego Garcia: Senior Network Engineer Belong, Connect, Grow, with KBR! Program Summary KBR provides full-spectrum base operations support to Naval Support Facility Die…
 + 2 months ago


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