Senior Firewall Engineer

MGM Resorts International

Senior Network Firewall Engineer leading design, delivery, and support of network security at MGM Resorts. Ensures compliance and enhances security posture across a distributed enterprise environment.

Posted 4/24/2026full-timeLas Vegas • California, Florida, Missouri, Nevada, Texas • 🇺🇸 United StatesSenior💰 $100,800 - $134,300 per yearWebsite

About the role

Key responsibilities & impact

Lead the delivery of scalable, resilient, and secure firewall solutions across a large, distributed enterprise network, aligning with organizational security requirements and industry best practices.
Utilize SNMP, network security policy tools, and observability platforms to monitor network health, ensure capacity planning, and drive proactive issue identification and resolution.
Lead complex incident response and root cause analysis for application-layer network security issues, driving continuous improvement and enhancing vendor governance to ensure quality and cost-effective outcomes.
Ensure firewall configurations and policies meet regulatory requirements (e.g., PCI, Gaming Control Boards) and adhere to evolving industry standards through regular audits and policy reviews.
Drive preventative maintenance and respond to operational issues to maintain optimal network performance, availability, and security posture.
Maintain comprehensive security documentation and lead regular governance reviews to validate and evolve network security strategies, policies, and configurations.
Collaborate with business and technical teams to ensure network security initiatives support broader business goals, while leading continuous improvement efforts focused on cost, scalability, supportability, and performance.

Requirements

What you’ll need

5+ years of experience in network security, focused on firewall management and delivering enterprise-scale technical solutions with operational support.
Demonstrated ability to design and implement secure network architectures aligned with business and technical requirements.
Proficient in translating complex requirements into actionable solutions and articulating the business value of network security designs.
Skilled in quantitative analysis, problem-solving, and leveraging data to drive technical decision-making and continuous improvement.
Experienced with network automation tools, scripting, and the integration of modern solutions such as Zscaler with traditional firewall technologies.
Hands-on experience with Palo Alto, Cisco, and Netscaler (or equivalent load balancer platforms), including tools such as Cisco Catalyst Center and Identity Services Engine (ISE).
Strong project management and cross-functional collaboration skills, with the ability to lead initiatives and support firm-wide innovation.
Certifications such as Cisco Security Specialist, Palo Alto Networks, and CompTIA Security+ are preferred; recently expired certifications will be considered.

Benefits

Comp & perks

Wellness incentive programs to help you stay healthy physically and mentally
Access to company hotel, food and beverage, retail, and entertainment discounts as well as discounts with company partners on things like travel, electronics, online shopping, and more
Free meals in our employee dining room
Free parking
Health & Income Protection benefits (for eligible employees)
Professional and personal development through programs and networking opportunities as well as volunteer opportunities in the community

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

network securityfirewall managementsecure network architecturequantitative analysisproblem-solvingnetwork automationscriptingincident responseroot cause analysiscapacity planning

Soft Skills

project managementcross-functional collaborationcontinuous improvementcommunicationleadership

Certifications

Cisco Security SpecialistPalo Alto NetworksCompTIA Security+