Network Security Expert

A highly skilled and experienced Network Security Manager is required to lead the development and maintenance of our network infrastructure and security strategies. The ideal candidate will oversee the design, implementation, and lifecycle management of a secure and scalable network, ensuring high availability of services, including LAN/WAN, wireless, and cloud connectivity.

• Develop and execute comprehensive strategies for network equipment lifecycle management, encompassing planning for upgrades, replacements, and decommissioning.
• Oversee the deployment of network infrastructure for new locations, ensuring seamless integration with existing systems and adherence to established standards.
• Design, implement, and maintain a robust, secure, resilient, and scalable network infrastructure that supports business operations.
• Ensure the high availability of network services, including LAN/WAN, wireless, and hybrid & cloud connectivity.
• Plan and manage IT network budgets for corporate assets, identifying opportunities to improve cost effectiveness.
• Monitor system performance, provide capacity planning, automate processes, perform refreshes/upgrades, and offer operational and technical support for network and security infrastructure areas.
• Contribute to the development, ongoing maintenance, and execution of an enterprise-wide disaster recovery and business continuity plan.
• Prepare RFPs, contracts, statements of work, and other documentation for network projects.
• Engage proactively with key stakeholders and partners across IT and the business to understand technology direction and align security capabilities accordingly.
• Build and maintain relationships with key vendors to facilitate enhancements and upgrades to the current environment.
• Ensure compliance with internal policies regarding data protection.
• Collaborate with the Project Management team to define and estimate team contributions, ensuring the team completes project work on time and with excellent quality.
• Assist in response to external audits, penetration tests, vulnerability assessments, and forensic investigations.
• Contribute to release management, change control, incident, and problem management.
• Implement and enforce network security policies and procedures to protect company assets and data. Conduct regular security audits and vulnerability assessments.
• Work closely with services partners to oversee Network Operations Center (NOC) and Operations Support.
• Establish and monitor service level agreements (SLAs).

• Bachelor's degree in computer science, computer engineering, information technology, electronics, telecommunications, or a related field. Master's preferred in a relevant field.
• Minimum 8 years of experience in network operations, network design, network project implementation, security infrastructure, and communications, with at least 5 years in a managerial role.
• Experience in network lifecycle management and network deployment management.
• Proven track record of balancing multiple priorities simultaneously, including large-scale production network and security projects, and operations in a multi-site retail environment with minimal downtime and limited impact on systems and applications.
• Strong knowledge of network architecture, protocols, and technologies, including TCP/IP, MPLS, VPN, VoIP, SD-WAN, and cloud networking.
• Expert knowledge of network access methods, including T1, DS3, OC3, Ethernet, and Cellular.
• Expert understanding of Layer 2 switching protocols.
• Expert understanding of routing protocols EIGRP, OSPF, IS-IS, BGP.
• Experience with network security technologies, such as Next Generation Firewalls (NGFWs) – Palo Alto, Fortinet, Cisco, Intrusion Detection/Prevention Systems (IDS/IPS), DNS & URL Filtering, Application Control Visibility (ACV), and encryption.
• Experience designing enterprise network/security and data center solutions.
• Advanced experience with routing, core switching, Cisco Nexus, ASA firewalls, Palo Alto Firewalls, VLAN, VPN, WLAN, TCP/IP, DNS, DHCP, monitoring tools, and network topologies.
• Relevant network-related certifications (highly desirable) such as CCNA, CCNP, CCDP, NSE, or equivalent.
• Relevant information/cyber security training/certifications (highly desirable) such as ISO27001, CISSP.
• Relevant cloud-related training/certifications (highly desirable) such as Cloud Architect/Cyber Security under AWS, Azure, Google, Alibaba Cloud.