Firewall Engineer Resume Guide

Determined and detail-oriented firewall engineer with 5+ years of experience designing and administering secure network infrastructures. In previous roles, utilized critical thinking to quickly identify and resolve administrative errors that prevented users from accessing the network. Seeking to leverage analytical skillset and problem-solving abilities as a member of ABC’s IT team.

Enthusiastic and detail-oriented firewall engineer with 4 years of experience in designing, configuring, and managing enterprise-level security systems. Proven ability to reduce risks and vulnerabilities by implementing preventative measures and best practices. Seeking to leverage strong technical skills to improve network security at ABC. At XYZ, successfully configured firewall policies for over 500 users while maintaining high availability during peak traffic periods.

Driven firewall engineer with more than 4 years of experience building, configuring, and administering enterprise-level firewall systems. At ABC Corporation, built a next-generation firewall system that increased performance by 30% while reducing costs by 15%. Proven ability to manage multiple projects simultaneously while ensuring adherence to strict security protocols.

Professional firewall engineer with 6 years of experience managing and administering Cisco ASA firewalls. Thoroughly understands network security concepts and can develop comprehensive firewall policies to safeguard corporate networks. At ABC, led the design and implementation of a next-generation firewall solution.

Proficient firewall engineer with 4+ years of experience in installation, configuration, and management of enterprise-level firewalls. Achieved CCIE R&S certification in 2017. Currently seeking to leverage strong technical skills and knowledge to grow with ABC as a firewall engineer. In previous roles, implemented changes that resulted in an average 15% improvement in network performance metrics.

Dependable Firewall Engineer with 5+ years’ experience. Proven success in maintaining and administering secure networks for small to enterprise-level businesses. Expertise in firewall rule creation, change management, incident response, and vulnerability remediation. At ABC Technologies decreased unplanned downtime by 27% through the optimization of security devices and proactive 24/7 monitoring.

Energetic firewall engineer with 7+ years of experience managing and administering firewalls, routers, and switches. Skilled in troubleshooting networking issues and providing Tier III support. Seeking to leverage knowledge of multiple platforms to become the next senior firewall engineer at ABC. In previous roles increased overall network uptime by 15% through implementation of proactive maintenance strategies.

Reliable firewall engineer with 4+ years of experience in network security. Skilled at analyzing and resolving complex technical problems. At ABC, led the design and implementation of a next-generation firewall solution that increased network performance by 20%. Seeking to leverage extensive knowledge of Palo Alto Networks firewalls to help XYZ company secure its data center infrastructure.

Hard-working firewall engineer with 9+ years of experience in designing, configuring, and administering firewalls for enterprise-level companies. Expertise in Cisco ASA and Juniper SRX devices. Proven ability to work independently with little supervision as well as part of a team. Seeking to leverage skills and knowledge to secure the ABC network against external threats.

• Monitored and managed over 500 corporate firewalls, ensuring that all security protocols were adhered to and that the systems were running smoothly.
• Consistently updated firewall configurations and rulesets in accordance with changes in the network infrastructure, revised access control lists as needed and streamlined authentication processes to improve efficiency.
• Maintained high availability of critical business applications by implementing redundant firewall architectures and failover mechanisms; reduced unplanned downtime by 35%.
• Revised network security policies on a quarterly basis and educated employees on best practices for using corporate resources safely; lowered number of data breaches by 12%.
• Streamlined packet filtering operations through the use of custom scripts and automation tools, reducing average processing time per request by 30%.

• Mentored 4 junior engineers and helped them develop necessary skills to become competent firewall engineers.
• Presented monthly security reports to the executive team, highlighting any new risks or areas of concern.
• Diligently monitored all incoming and outgoing network traffic for potential threats and malicious activity.
• Prepared detailed documentation on all aspects of the company’s firewall infrastructure and policies.
• Upgraded the firewall system to the latest version in order to address newly identified security vulnerabilities.

• Trained 4 new firewall engineers in the company’s standard policies and procedures.
• Resolved 100+ customer tickets relating to firewall configuration issues, internet connectivity problems and malware outbreaks.
• Confidently led a team of 5 engineers in resolving a major network security breach that affected 500+ users.
• Participated in monthly meetings with the network administrator and other key stakeholders to advise on changes to the firewall configuration that would improve security posture while not impacting business productivity.
• Advised management on the purchase of new firewall hardware and software licenses for the company’s 3 data centers, saving $15,000 compared to the initial proposal from the vendor.

• Investigated potential security breaches and risks, compiling reports on findings and presenting recommendations to management.
• Compiled network traffic data and analyzed for potential threats; successfully identified and resolved 2 major security issues before they became problems.
• Reduced company’s vulnerability to cyber-attacks by implementing new firewalls and updating existing ones; also installed intrusion detection systems in high-risk areas.
• Accurately configured firewalls to allow specific types of traffic while blocking others; created custom rulesets for different departments and applications as needed.
• Analyzed firewall logs on a daily basis, ensuring that all suspicious activity was properly investigated and dealt with in a timely manner.

• Structured and designed complex firewall systems for large organizations, enabling them to securely connect to the internet and other networks.
• Expedited the installation of firewall systems by developing efficient implementation plans and coordinating with third-party vendors.
• Formulated security policies and procedures for using firewalls, ensuring that all users were aware of best practices for keeping data safe.
• Thoroughly tested firewall configurations before deployment, identifying potential issues and resolving them accordingly.
• Evaluated the effectiveness of deployed firewall systems on a regular basis, making changes as necessary to improve performance or address new threats.

• Successfully installed, configured and maintained firewalls for over 200 small-to-medium businesses, ensuring that their networks were secure against external threats.
• Improved firewall security posture for 50% of customers by implementing new rulesets and access control lists.
• Spearheaded the migration of all customer firewalls to a new platform, completing the project ahead of schedule and under budget.
• Assessed network traffic flows and identified potential vulnerabilities for dozens of customers on a weekly basis; recommended mitigating controls to remediate identified risks.
• Achieved 94% customer satisfaction rating in post-project surveys for 8 consecutive quarters.

• Introduced new methods for managing firewalls and routers which improved network performance by 15%.
• Demonstrated expertise in configuring, installing and troubleshooting various types of firewall systems.
• Utilized in-depth knowledge of TCP/IP, UDP, ICMP, NAT and other protocols to optimize traffic flow through the network.
• Reorganized the network’s security infrastructure, resulting in a 20% reduction in vulnerabilities.
• Meticulously monitored system activity logs to identify potential threats and took appropriate action to mitigate them.

• Tested and verified the security of over 200+ enterprise-level networks, ensuring that they met or exceeded industry standards for data protection.
• Optimized firewall configurations to improve network performance by up to 30%, while still maintaining high levels of security.
• Documented all test results and firewall changes in detail, providing clear and concise reports for review by senior management.
• Reliably delivered secure networks that met or exceeded customer expectations 100% of the time.

Bachelor of Science in Computer Science
Educational Institution XYZ
Nov 2011

Check Point Certified Security Administrator
Check Point Software Technologies
May 2017