Network Security Architect
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Key skills for this role
About the Role
Acuative Middle East is hiring a Network Security Architect to administer, operate, and improve network and infrastructure security. The role focuses on firewalls, IPS, secure connectivity, and enterprise security infrastructure.
Key Skills for This Role
Responsibilities
- Administer, configure, and maintain enterprise firewall platforms
- Develop, implement, and optimize firewall security policies and rule sets
- Review and approve firewall rule requests in accordance with security policies
- Perform firewall rule recertification and periodic policy reviews
- Troubleshoot firewall related connectivity and security issues
- Ensure high availability configurations and disaster recovery readiness
- Support firewall upgrades, migrations, and lifecycle management
- Implement and maintain enterprise network security controls including IPS/IDS, NAC, and secure network segmentation
- Design, implement, and maintain secure remote access solutions and VPN technologies
- Support Zero Trust Network Access and Software Defined Perimeter solutions
- Investigate network and infrastructure security alerts and support incident response activities
- Maintain network security standards, operational procedures, and documentation
Requirements
- Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Network Engineering, or related field
- Minimum 5 years of experience in network security, infrastructure security, or cybersecurity engineering
- Experience administering enterprise firewalls and network security technologies
- Strong understanding of enterprise networking and infrastructure security
- Experience supporting production enterprise environments
- Experience with one or more firewall platforms: Palo Alto Networks, Fortinet FortiGate, Cisco Secure Firewall, Check Point, Juniper SRX, Sophos Firewall
- Knowledge of TCP/IP networking, routing protocols (BGP, OSPF), VLANs, VPN technologies
- Knowledge of NIST Cybersecurity Framework, ISO/IEC 27001, CIS Critical Security Controls, MITRE ATT&CK Framework
Full Job Posting
Job Summary
- The Network & Infrastructure Security Engineer is responsible for administration, operation, and continuous improvement of network and infrastructure security.
- Primary focus: implementation, management, and optimization of firewalls, IPS, secure connectivity, and enterprise security infrastructure.
- Works closely with Network Engineering, Infrastructure, Cloud, Security Operations, and Application teams.
Key Responsibilities Firewall Administration
- Administer, configure, and maintain enterprise firewall platforms.
- Develop, implement, and optimize firewall security policies and rule sets.
- Review and approve firewall rule requests in accordance with security policies.
- Perform firewall rule recertification and periodic policy reviews.
- Troubleshoot firewall related connectivity and security issues.
- Ensure high availability configurations and disaster recovery readiness.
- Support firewall upgrades, migrations, and lifecycle management.
Key Responsibilities Network Security
- Implement and maintain enterprise network security controls.
- Administer Intrusion Prevention Systems (IPS) and Intrusion Detection Systems (IDS).
- Configure and maintain Network Access Control (NAC) solutions.
- Support secure network segmentation and micro segmentation initiatives.
- Implement secure routing and switching practices.
- Monitor network traffic for anomalies and security threats.
- Perform network security assessments and recommend improvements.
- Maintain secure DNS, DHCP, and IP address management services.
Key Responsibilities Secure Connectivity
- Design, implement, and maintain secure remote access solutions.
- Administer site to site and remote access VPN technologies.
- Support Zero Trust Network Access (ZTNA) and Software Defined Perimeter (SDP) solutions.
- Manage secure connectivity between on premises, cloud, and third party environments.
- Implement secure hybrid cloud connectivity.
- Support certificate based authentication and Public Key Infrastructure (PKI).
Key Responsibilities Infrastructure Security Administration
- Secure Windows and Linux server infrastructure.
- Implement infrastructure hardening standards and security baselines.
- Manage privileged administrative access to infrastructure components.
- Support identity integration with Microsoft Entra ID and Active Directory.
- Coordinate vulnerability remediation with infrastructure teams.
- Review infrastructure configurations against security standards.
- Support secure virtualization and hypervisor environments.
Key Responsibilities Security Operations Support
- Investigate network and infrastructure security alerts.
- Support incident response activities related to network attacks and infrastructure compromises.
- Analyze firewall, IPS, VPN, and infrastructure logs.
- Work with the SOC to investigate security events and recommend remediation actions.
- Participate in threat hunting activities related to network infrastructure.
Key Responsibilities Infrastructure Security Projects
- Support implementation of new network security technologies.
- Participate in infrastructure security architecture reviews.
- Assist in cloud network security implementation.
- Support network segmentation and Zero Trust initiatives.
- Perform proof of concept testing for new security technologies.
Key Responsibilities Compliance & Documentation
- Maintain network security standards and operational procedures.
- Ensure infrastructure security controls comply with organizational policies.
- Support internal and external security audits.
- Maintain network diagrams and security documentation.
- Prepare operational and security reports.
- Assist with disaster recovery and business continuity planning.
Required Qualifications
- Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Network Engineering, or related field.
- Minimum 5 years of experience in network security, infrastructure security, or cybersecurity engineering.
- Experience administering enterprise firewalls and network security technologies.
- Strong understanding of enterprise networking and infrastructure security.
- Experience supporting production enterprise environments.
Required Technical Skills
- Enterprise Firewall Administration, Intrusion Prevention Systems, Intrusion Detection Systems, Network Segmentation, Secure Routing & Switching, Network Access Control, VPN Technologies, Secure DNS, DDoS Protection, Web Application Firewall.
- Windows Server Security, Linux Server Security, Active Directory Security, Microsoft Entra ID, Public Key Infrastructure, Certificate Management, Infrastructure Hardening, Patch Management, Vulnerability Management, Virtualization Security.
- Experience with one or more firewall platforms: Palo Alto Networks, Fortinet FortiGate, Cisco Secure Firewall, Check Point, Juniper SRX, Sophos Firewall.
- Experience with network security tools: Cisco ISE, F5 BIG IP, Infoblox, Zscaler, Netskope, Cisco Umbrella.
- Experience with monitoring and security tools: Splunk, Elastic Security, Microsoft Sentinel, QRadar, Wireshark, Nmap.
- Knowledge of TCP/IP Networking, Routing Protocols (BGP, OSPF), VLANs, VPN Technologies, Network Security Architecture, Zero Trust Architecture, Secure Remote Access, Network Segmentation.
- Knowledge of NIST Cybersecurity Framework, ISO/IEC 27001, CIS Critical Security Controls, MITRE ATT&CK Framework.
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