Frontier Airlines · 1 month ago
Engineer II - Firewall
Aurora, CO
Full-time
Onsite
Mid, Senior Level
$82K/yr - $109K/yr
7+ years expFrontier Airlines is a leading ultra-low cost carrier headquartered in Denver, Colorado. They are seeking a Firewall Engineer II who will be responsible for the availability, reliability, and administration of Frontier’s firewall environments, including installation, configuration, and 24-hour monitoring and support.
Service IndustryTourismTransportationTravel
Responsibilities
Administration of Checkpoint and Cisco NGFWs including deep packet inspection technologies
Configure and maintain firewall routing and switching protocols within the firewall environments such as BGP, OSPF, VRRP, VLANs, and QOS
Configure and maintain SD-WAN firewall technology that supports Frontier’s extended networks via MPLS, Broadband, and Cellular
Architectural assistance in design, configuration, implementation, and support of Frontier’s core and extended (station & BPO) firewall environments
Monitor, respond, troubleshoot, and respond to incidents related to connectivity loss within Frontier’s firewall environments
Communicate to the Major Incident Management (MIM) team and executive-level staff on firewall issues and required corrective action to support time-sensitive decisions
Ability to determine Mean Time to Resolution (MTR), possible short-term fixes, prioritize services for critical needs of the network, and implement corrective actions in the event of a “firewall incident”
Architectural assistance in analysis, design, and administration of Frontier’s InfoSec posture to defend against InfoSec deficiencies and potential breaches
Recommend process improvements to ensure hardened firewall environments
Provide regular status updates to leadership and the Project Management Organization (PMO) on existing projects and support activities
Support various firewall projects while collaborating with other IT and business departments to determine requirements and meet project milestones
Provide Level-3 escalation support for the maintenance and troubleshooting of the WAN and LAN firewall connections
Develop and implement scripts for automated change deployment
Implement and maintain firewall engineering policies and procedures to ensure network availability and compliance with InfoSec standards including, but not limited to Sarbanes Oxley (SOX) and Payment Card Industry (PCI)
Create and maintain detailed firewall documentation including related updates to SolarWinds
Ensure currency and enforcement of all InfoSec policies as they relate to Frontier’s enterprise network
Work within the Change Management (CM) process for production firewall changes
Utilization of network monitoring tools and syslog files to verify healthy operations and identify potential network/firewall problems
Qualification
Required
Associate's degree or minimum of seven (7) years of demonstrable professional experience and continuing education
Current technical certification(s) such as CISSP, CCSA, CCSE, CCSM, SANS, CCNA Security, CCNP Security, Cisco ASA or Firewall Specialist, OR 1-3 years of Checkpoint or Cisco NGFW administration
Administration of Checkpoint and Cisco NGFWs including deep packet inspection technologies
Configure and maintain firewall routing and switching protocols within the firewall environments such as BGP, OSPF, VRRP, VLANs, and QOS
Configure and maintain SD-WAN firewall technology that supports Frontier's extended networks via MPLS, Broadband, and Cellular
Architectural assistance in design, configuration, implementation, and support of Frontier's core and extended (station & BPO) firewall environments
Monitor, respond, troubleshoot, and respond to incidents related to connectivity loss within Frontier's firewall environments
Communicate to the Major Incident Management (MIM) team and executive-level staff on firewall issues and required corrective action to support time-sensitive decisions
Ability to determine Mean Time to Resolution (MTR), possible short-term fixes, prioritize services for critical needs of the network, and implement corrective actions in the event of a “firewall incident”
Architectural assistance in analysis, design, and administration of Frontier's InfoSec posture to defend against InfoSec deficiencies and potential breaches
Recommend process improvements to ensure hardened firewall environments
Provide regular status updates to leadership and the Project Management Organization (PMO) on existing projects and support activities
Support various firewall projects while collaborating with other IT and business departments to determine requirements and meet project milestones
Provide Level-3 escalation support for the maintenance and troubleshooting of the WAN and LAN firewall connections
Develop and implement scripts for automated change deployment
Implement and maintain firewall engineering policies and procedures to ensure network availability and compliance with InfoSec standards including, but not limited to Sarbanes Oxley (SOX) and Payment Card Industry (PCI)
Create and maintain detailed firewall documentation including related updates to SolarWinds
Ensure currency and enforcement of all InfoSec policies as they relate to Frontier's enterprise network
Work within the Change Management (CM) process for production firewall changes
Utilization of network monitoring tools and syslog files to verify healthy operations and identify potential network/firewall problems
Strong analytical, troubleshooting, communication, and interpersonal skills
Ability to multi-task in a fast-paced technical environment
Preferred
Bachelor's degree (Computer Science, Computer Engineering, or Computer Information Security preferred)
Cisco NGFW installation, configuration, and administration preferred
Cloud security installation and maintenance in Azure or AWS including related firewall services preferred
Check Point Maestro Hyperscale Network Security preferred
Versa, Fortinet, or HPE/Aruba SD-WAN technology preferred
SIEM technologies such as Splunk, QRadar, McAFee, or Azure Sentinel preferred
Installation and maintenance of InfoSec controls including experience in applying InfoSec framework methodologies such as NIST, Cloud (CSA), wired and wireless security preferred
Design, development, and maintenance of network drawings using Microsoft Visio
Benefits
Flight benefits for you and your family to fly on Frontier Airlines.
Buddy passes for your friends so they can experience what makes us so great.
Discounts throughout the travel industry on hotels, car rentals, cruises and vacation packages.
Discounts on cell phone plans, movie tickets, restaurants, luggage and over 2,000 other vendors.
Enjoy a ‘Dress for your Day’ business casual environment.
Flexible work schedules that support work/life balance.
Total Rewards program including a competitive base salary, short term incentives, long-term incentives, paid holidays, 401(k) plan, vacation/sick time and medical/dental/vision insurance that begins the 1st of the month following your hire date.
We play our part to make a difference. The HOPE League, Frontier Airlines’ non-profit organization, is dedicated to providing employees financial assistance during catastrophic hardship.
Company
Frontier Airlines
Frontier Airlines offers group and charter, and cargo transportation services.
5001-10000 employees
H1B Sponsorship
Frontier Airlines has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (10)
2023 (11)
2022 (3)
2021 (6)
2020 (1)
Funding
Current Stage
Public CompanyTotal Funding
unknown2021-04-01IPO
2013-12-03Acquired
Leadership Team
Howard Diamond
Executive Vice President, Legal and Corporate Affairs
James Dempsey
President
Recent News
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2026-01-09
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