FIREWALL ENGINEER COVER LETTER TEMPLATE

Published: Apr 14, 2025 - The Firewall Engineer configures and manages firewalls, VPNs, and IDS systems while applying network-layer threat knowledge and system hardening techniques. This role performs troubleshooting, restores critical appliances, and executes firewall migrations, including HA and DR configurations, cleanup, and policy reordering. The engineer verifies licensing, firmware, and integrates user authentication systems to ensure secure and optimized network operations.

An Introduction to Professional Skills and Functions for Firewall Engineer with a Cover Letter

1. Details for Firewall Engineer Cover Letter

  • Build the VPN Migration Playbook
  • Playbook will be used to coordinate configuration migrations and translations within a repeatable, planned framework
  • Manage up to 100 VPN migrations
  • Design and build out new VPN partner connectivity in Arizona and Equinix facilities, as agreed with partners, as part of the migration project
  • Support the establishment of up to 250 Direct Internet Access (DIA) partner connections through firewall policy updates
  • Manage up to 20 partner connections, leveraging partner equipment deployed into the Equinix facility
  • Establish connectivity and test with partners and well as business application teams
  • Support for after-hours testing or troubleshooting with partners and business application teams
  • Manage the Big 5 Trading application needs related to partner connectivity
  • Troubleshoot, route, and switch as well as manage firewalls across these stacks


Skills: VPN Migration, Playbook Development, Firewall Management, DIA Connectivity, Partner Integration, Network Troubleshooting, Routing Switching, Application Support

2. Roles for Firewall Engineer Cover Letter

  • Design and execute firewall rule changes, following team standards to ensure a secure, optimized firewall policy structure is maintained
  • Monitor and maintain the health of all firewalls
  • Work with project teams to engineer firewall solutions to meet security requirements and business needs
  • Maintain documentation of firewall procedures and standards
  • Work with management to identify technologies and procedures to improve operations
  • Provide support and input to team projects
  • Develop Visio drawings of security infrastructure
  • Build and troubleshoot Site-to-Site and Client VPN connections
  • Build, edit policies and deploy firewalls
  • Patch, upgrade firewalls and provide on-call support


Skills: Firewall Design, Rule Execution, Firewall Monitoring, Policy Documentation, Solution Engineering, Technology Evaluation, VPN Configuration, Firewall Troubleshooting

3. Responsibilities for Firewall Engineer Cover Letter

  • Configure and utilize network protection components (such as firewalls, Virtual Private Networks [VPNs] and network Intrusion Detection Systems [IDSs])
  • Apply knowledge of the common attack vectors on the network layer
  • Perform data parsing and troubleshoot and restore servers and appliances to a fully operational state
  • Apply knowledge of basic system administration, network, and operating system hardening techniques
  • Discovery of existing Firewall config, rules, network, security policy, creation of migration plans and Firewall clean up
  • Verify licenses required, recommended firmware, and identify bugs
  • Migrate the IDS firewall to the colo
  • Remove redundant firewall from HA (High Availability) pair and migrate to DR (Disaster Recovery)
  • Configure migrated firewalls into an HA pair at HQ and DR
  • Integrate RA VPN user authentication into ClearPass
  • Review existing SSL decryption policy, and migrate to new HA firewalls as built diagrams, configuration templates, and final configs


Skills: Firewall Configuration, VPN Management, IDS Utilization, Attack Analysis, System Hardening, Migration Planning, HA Deployment, Policy Cleanup

4. Functions for Firewall Engineer Cover Letter

  • Serve as the Palo Alto SME for firewall projects, gathering requirements, planning, proposing, and implementing firewall solutions
  • Work with the IAM team to build out a new Remote Access VPN network
  • Run the MACD of firewall rules and configurations
  • Implement security hardening of firewall/VPN configurations
  • Review, schedule, deploy and monitor firewall and VPN patches and upgrades
  • Monitor firewall/VPN operational and security alerts and dashboards
  • Define, implement, and monitor processes and procedures for maintaining the firewall policy lifecycle
  • Design and operate network infrastructure (Data, Security) locally and globally
  • Troubleshoot complex network (LAN, WAN, DNS) and firewall-related issues
  • Remove unused rules, objects, and groups, and reorder the policy


Skills: Palo Alto SME, VPN Deployment, Rule Management, Security Hardening, Patch Monitoring, Alert Analysis, Policy Lifecycle, Network Troubleshooting

5. Job Description for Firewall Engineer Cover Letter

  • Proactively identify and eliminate network performance bottlenecks impacting business workloads
  • Steadily improve network uptime
  • Protect Keysight’s network from cyberattacks
  • Secure the network from malicious internal attacks
  • Provide technical leadership and expertise in escalations and incident response
  • Lead or participate in Problem Management and root cause analysis
  • Contribute to global projects, including new site build-outs, acquisition integrations, new technology deployments or technology refreshes
  • Pilot Keysight’s commercial network management and visibility solution
  • Stabilize newly deployed cutting-edge network solutions
  • Perform troubleshooting for firewall issues


Skills: Network Optimization, Uptime Stability, Cyber Defense, Threat Protection, Incident Handling, Root Analysis, Project Support, Network Deployment

What are the Qualifications and Requirements for Firewall Engineer in a Cover Letter?

1. Knowledge and Abilities for Firewall Engineer Cover Letter

  • Strong understanding of Firewalls (Check Point, Palo Alto, Cisco ASA)
  • Good understanding of IP networking and Internet technologies, in either Cisco or Aruba switch and routing platforms
  • Strong network analytical and troubleshooting skills with the capability to handle and own critical issues through to resolution
  • Strong communication and stakeholder engagement skills
  • Working knowledge of UNIX, Linux, Windows, SNMP, and Microsoft Active Directory
  • Ability to remain calm under pressure and when faced with adversity or urgent issues
  • Customer-focused with a “service first” mentality and best-in-class communication skills
  • Able to view current processes and procedures as opportunities for enhancement, tuning and improvement
  • Excellent Communication and Teamwork skills
  • Advanced English language skills (verbal, reading, writing, understanding)
  • Experience of working in a global environment 
  • Process Discipline and Documentation skills


Qualifications: BS in Information Security with 6 years of Experience

2. Experience and Requirements for Firewall Engineer Cover Letter

  • Strong Experience with BGP route reflector and all other routing protocols
  • Good troubleshooting skills - ability to analyse network packet captures
  • Ability to isolate the cause of an issue, working with various support teams to resolve day-to-day issues
  • Strong experience with Security (IPSEC / SSL-VPN / NAT)
  • Good presentation skills - shall be able to participate in the review meetings and be able to put across the points of concern
  • Capability to conduct risk analysis, impact analysis, and dependencies on customer/internal teams
  • Knowledge and experience of working with ITIL Processes
  • Experience in the design, implementation and operation of networks, including firewalling
  • Experience in solving complex issues, simplifying them and driving them to resolution
  • Experience with an Enterprise Firewall Platform, Cisco or Palo Alto
  • Experience with a Firewall Assessment Tool such as Firemon 
  • Experience with Service Now and its change management system 


Qualifications: BS in Information Technology with 4 years of Experience

3. Requirements and Experience for Firewall Engineer Cover Letter

  • Experience in Information Security or Network Security in an enterprise environment
  • Understanding of the following Palo Alto and Cisco Firewalls, Routing and Switching
  • Experience adding proper network segmentation and working on segmentation projects
  • Experience with IPS, IDS and IDPS and proxy technology experience
  • Experience in Financials, DoD, large Pharma or other high security and regulated environments
  • Must have risk assessment and mitigation expertise in IT or IS
  • Experience overseeing information security/technology projects from start to finish
  • Working experience in managing information technology infrastructure
  • Strong knowledge in the following technologies - Firewalls, Data Loss Prevention, VPN, Intrusion Detection/Prevention, Network Scanning and Compliance, Network Access control, and Advanced Persistent Threat Prevention
  • Ability to demonstrate strong knowledge of computer security concepts
  • Ability to communicate effectively with various clients, with the ability to explain and elaborate on technical details


Qualifications: BS in Computer Engineering with 5 years of Experience

4. Education and Experience for Firewall Engineer Cover Letter

  • Experience with Palo Alto including Next-Gen Firewalls, Panorama, Global Protect, performing deployment, configuration, policy management and administration
  • Experience with conducting security work in on-prem infrastructure or cloud environments including AWS, Azure
  • Experience with Palo Alto Networks or VM-Series Technologies
  • Deep knowledge of network fundamentals including router or switch administration, IP subnets, routing protocols, and network tools
  • Experience with Linux administration
  • Experience with Palo Alto Networks tools including Threat Prevention, Wildfire, URL Filtering, and Cortex Data Lake
  • Experience with intrusion detection systems, remote access VPN technologies, vulnerability assessment tools, event, and log analysis solutions or configuration and change management systems
  • Must have Palo Alto Certifications including PCNSA, PCNSE, PCCSE
  • Demonstrated ability to document processes and procedures
  • Excellent written and verbal communication skills
  • Understanding of DOD information assurance policy and regulations


Qualifications: BS in Systems Engineering with 3 years of Experience

5. Professional Background for Firewall Engineer Cover Letter

  • Experience in Security or Network support
  • Strong practical knowledge of Security platforms and technology
  • Proven crisis management skills
  • Strong analytical, problem-solving and organizational skills
  • Strong written and verbal communication skills
  • Able to build relationships with multi-disciplinary factory stakeholders
  • Have a working knowledge and understanding of OT and IT cybersecurity technologies
  • Able to design and implement firewall rules
  • Familiarity with hands-on configuration of firewall rules for any brand of firewall
  • Understand IP networking and be able to produce basic network topology diagrams
  • Intermediate MS Excel skills to automate firewall rule production tasks, such as vlookup, copy and concatenate, etc.


Qualifications: BS in IT Infrastructure with 6 years of Experience