IT Firewall Administrator

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Job Description # IT Firewall Administrator
* Implementation and modification of custom firewall, proxy, VPN, Web Application Firewall (WAF), and IDS/IPS rules
* Analysis and troubleshooting of existing firewall, VPN, WAF, and IDS/IPS rules to address operational and security requirements.
* Configuration and support of cloud-native firewalling and security controls, including Azure Network Security Groups (NSGs), Azure Application Security Groups (ASGs), and AWS security groups.
* Support for secure connectivity across on-premises data centres and cloud environments (Azure, AWS)
* Deployment of firewall and security rules to meet evolving project needs and cloud integration requirements.
* Integration of certificate management (PKI) into firewall and VPN configurations where required.
* Collaboration with security and network operations teams to ensure project deliverables align with enterprise security policies and compliance requirements.
* Implement and modify firewall, proxy, VPN, Web Application Firewall (WAF), and IDS/IPS rules in accordance with project requirements and organizational security policies.
* Work with customers, internal teams, and vendors to troubleshoot project-related firewall, VPN, proxy, WAF, and IDS/IPS issues across on-premises and cloud environments.
* Configure and support cloud-native firewall and security controls, including Azure Network Security Groups (NSGs), Azure Application Security Groups (ASGs), and AWS security groups.
* Assist with secure connectivity requirements between on-premises data centres and cloud environments (Azure and AWS)
* Update and maintain project and operational documentation, ensuring all changes are accurately recorded in line with governance and compliance requirements.
* Progress production change requests as required for firewall, zoning, VPN, and security group activities.
* Provide knowledge transfer and collaboration with security and network operations teams to ensure continuity of support.
* Strong understanding of networking and firewalling principles, including segmentation, rule design, and security zoning
* Hands-on operational knowledge of Fortinet, Palo Alto, and Cisco firewalls (experience with F5 LTM or other load balancers considered an asset)
* Experience configuring and supporting VPNs (site-to-site, remote access, and cloud-integrated)
* Experience configuring and supporting Web Application Firewalls (WAFs) in both on-premises and cloud environments.
* Working knowledge of Azure (NSG/ASG) and AWS firewall/security controls, including hybrid on-prem to cloud environments
* Experience with VMware NSX Distributed Firewall (DFW) including micro-segmentation, east-west traffic control, and policy-based security design and implementation.
* Familiarity with certificate management (PKI) as it applies to firewall/VPN authentication and SSL inspection.
* Demonstrated ability to support on-prem to cloud migrations, including translating firewall/VPN/WAF rules to cloud equivalents.
* Exceptional analytical and problem-solving skills with strong attention to detail
* Self-directed, highly motivated, and results-oriented
* Strong communication, customer interaction, and organizational skills
* Ability to work on multiple concurrent projects and multi-task effectively.
* Team player with well-developed interpersonal skills
* Strong written and verbal communication skills
* Proficient with Microsoft Office and common productivity tools
* Industry certifications such as CCNA, NSE (Fortinet), PCNSE (Palo Alto), or equivalent are preferred.
* Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Our commitment to excellence is reflected in many awards, including Clearly Rated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click
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