Network Security Engineer (Web Proxy) Job at Realign (Irving)

Network Security Engineer (Web Proxy)

Realign

Location:
United States , Irving

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

115000.00 USD / Year

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Job Description:

Job Title: Network Security Engineer (Web Proxy) Location: Irving, TX (Onsite) Fulltime We are seeking a Network Security Engineer to serve as a Subject Matter Expert (SME) in Web Proxy and Firewall rules maintenance, specifically supporting a significant divestiture initiative. This individual contributor will be responsible for the configuration, optimization, and troubleshooting of web proxy and firewall policies, ensuring robust network security and seamless transition of services during the divestiture. The role requires deep technical expertise, meticulous attention to detail, and the ability to work collaboratively within a dynamic environment.

Job Responsibility:

Act as the primary SME for all Web Proxy (e.g., Zscaler, Forcepoint, Blue Coat) and Firewall (e.g., Palo Alto Networks, Check Point, Cisco ASA) rule sets and configurations
Design, implement, and maintain complex firewall rules and web proxy policies to enforce security controls and meet divestiture requirements
Perform routine maintenance, updates, and optimization of existing web proxy and firewall rules, ensuring adherence to security best practices and compliance standards
Provide advanced troubleshooting and incident response support for network security issues related to web proxy and firewall configurations
Collaborate with network engineering, application, and security operations teams to ensure proper integration and functionality of security devices during the divestiture process
Assist in the planning and execution of network segmentation and access control list (ACL) migration strategies for separating entities
Develop and maintain comprehensive documentation for network security configurations, policies, and operational procedures
Participate in security audits and provide expert guidance on web proxy and firewall capabilities

Requirements:

Technical expertise and hands-on experience with enterprise-grade Firewall platforms (e.g., Palo Alto Networks, Check Point, Cisco ASA/FTD).
Knowledge and practical experience with Web Proxy solutions (e.g., Zscaler, Forcepoint/Websense, Blue Coat/Symantec ProxySG).
Understanding of network protocols (TCP/IP, DNS, HTTP/S, VPNs) and network security concepts (e.g., IDS/IPS, VPN, NAT, load balancing).
Proficiency in analyzing network traffic and logs to identify security incidents, troubleshoot connectivity issues, and optimize performance.
Experience with scripting (e.g., Python, PowerShell) for automation of security tasks is a plus.
Excellent problem-solving, analytical, and diagnostic capabilities.
Strong communication and interpersonal skills, with the ability to articulate complex technical concepts clearly to diverse audiences.
Ability to work independently as an SME and as part of a larger technical team.
Education: Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related engineering field.
Minimum of 3-5 years of dedicated experience in Network Security Engineering.
At least 2-3 years of hands-on experience specifically managing and maintaining Web Proxy and Firewall solutions in an enterprise environment.
Proven experience acting as a Subject Matter Expert in network security domains.
Relevant industry certifications such as CCNA Security, PCNSE (Palo Alto Networks Certified Network Security Engineer), CCSA/CCSE (Check Point Certified Security Administrator/Expert), Zscaler certifications (ZCCA, ZCSE) are desirable.
Required: English fluency (oral and written).

Nice to have:

Experience with scripting (e.g., Python, PowerShell) for automation of security tasks
Relevant industry certifications such as CCNA Security, PCNSE, CCSA/CCSE, Zscaler certifications (ZCCA, ZCSE)

Additional Information:

Job Posted:
May 04, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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Job Link Share:

Network Security Engineer (Web Proxy)

Realign

Location:
United States , Irving

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
May 04, 2026

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