Senior Network Security Engineer (contract)

Description

Title:Senior Network Security Engineer

Location: Irving, TX

Alternative Location: Charlotte / Chandler

Duration: 18 months

Work Engagement: W2

Work Schedule: Hybrid 3 days in office/2 days remote

Benefits on offer for this contract position: Health Insurance, Life insurance, 401K and Voluntary Benefits

Summary:

In this contingent resource assignment, you may: Consult on or participate in moderately complex initiatives and deliverables within Information Security Engineering and contribute to large-scale planning related to Information Security Engineering deliverables. Review and analyze moderately complex Information Security Engineering challenges that require an in-depth evaluation of variable factors. Contribute to the resolution of moderately complex issues and consult with others to meet Information Security Engineering deliverables while leveraging solid understanding of the function, policies, procedures, and compliance requirements. Collaborate with client personnel in Information Security Engineering. Required Qualifications: Information Security Engineering experience, or equivalent demonstrated through one or a combination of the following: work or consulting experience, training, military experience, education.

Key Responsibilities:

• Design, implement, and maintain secure network infrastructures using Palo Alto Networks, Fortinet, and Cisco routing and switching products.
• Lead and support firewall migration projects, including policy analysis, configuration translation, and deployment using tools such as Expedition, FortiConverter, SmartMove, and other vendor utilities.
• Build and deploy new network security infrastructures, including greenfield implementations and expansion of existing environments.
• Perform security policy reviews, rulebase optimization, and threat prevention tuning to align with best practices and compliance requirements.
• Troubleshoot and resolve complex network security issues across multi-vendor environments, ensuring minimal downtime and optimal performance.
• Collaborate with cross-functional teams (network, cloud, infrastructure, and application teams) to integrate security controls into enterprise architecture.
• Maintain accurate and up-to-date documentation, including network diagrams, configuration standards, and operational procedures.
• Monitor and respond to security events, alerts, and incidents, escalating as necessary and contributing to root cause analysis and remediation.
• Participate in a rotational on-call schedule to provide after-hours support for critical network security incidents and maintenance activities.
• Stay current with emerging threats, vulnerabilities, and technologies to continuously improve the organization’s security posture.

• Design, implement, and maintain secure network infrastructures using Palo Alto Networks, Fortinet, and Cisco routing and switching products.

Key Requirements:

• Applicants must be authorized to work for ANY employer in the U.S. This position is not eligible for visa sponsorship.
• Information Security Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
• Hands-on experience in network security engineering, with a strong focus on enterprise-grade firewall platforms and secure network architecture.
• Experience configuring, managing, and troubleshooting firewalls and security management systems across Palo Alto Networks
• Experience in security policy design, rulebase optimization, and hardening of multi-vendor firewall environments to meet organizational and compliance standards.
• Experience in Panorama – template stacks, device groups, policy hierarchy, logging, reporting, custom dashboards, role-based control