Senior Firewall Engineer

Senior Firewall Engineer#26-06086

Irving, TX

Chandler, AZ

Charlotte, NC

Las Colinas, TX

Onsite

Contract

Starts 6/04/2026

Ends 12/03/2026

Job Description

Genesis10 is currently seeking a Senior Firewall Engineer for a contract position with a Global Financial Institution located in Las Colinas, TX, Irving, TX, Charlotte, NC, or Chandler, AZ. This is a 6+ month contract opportunity.

We are looking for a skilled and driven Senior Firewall Engineer to join our team and contribute to the design, deployment, and ongoing support of secure, scalable network infrastructures. This role is ideal for professionals with a strong foundation in enterprise firewall technologies, particularly Palo Alto Networks and Fortinet, along with working knowledge of Cisco infrastructure products. You will be responsible for implementing and maintaining advanced security solutions, leading firewall migrations, and ensuring the integrity and performance of network security systems.

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 andpliance requirements

Troubleshoot and resolveplex 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

Requirements:

4+ years of Information Security Engineering experience, or equivalent demonstrated through one or abination of the following: work experience, training, military experience, education

2+ years of hands-on experience in network security engineering, with a strong focus on enterprise-grade firewall platforms and secure network architecture

2+ years of experience configuring, managing, and troubleshooting firewalls and security management systems across Palo Alto Networks

2+ years of experience in security policy design, rulebase optimization, and hardening of multi-vendor firewall environments to meet organizational andpliance standards

2+ years of experience in Panorama - template stacks, device groups, policy hierarchy, logging, reporting, custom dashboards, role-based control

Pay range: $43.59 - $51.59 per hour

Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.

If you have the described qualifications and are interested in this exciting opportunity, please !

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:

Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.

The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.

Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)

Behavioral Health Platform

Medical, Dental, Vision

Health Savings Account

Voluntary Hospital Indemnity (Critical Illness & Accident)

Voluntary Term Life Insurance

401K

Sick Pay (for applicable states/municipalities)

Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.