Senior Network Administrator

Description

Summary: Seeking an experienced Network and Security Administrator to design, implement, manage, and secure network infrastructure and unified communications systems, leveraging expertise in Cisco ACI, DNA Center, SD-Access, ISE, CUCM, Palo Alto, and Fortinet. Highlights: 1. Lead network, security, and unified communications administration 2. Expertise in Cisco ACI, DNA Center, SD-Access, ISE, and CUCM 3. Design, deploy, and manage secure network and UC solutions **Purpose and Scope of the Job** Experienced Network and Security Administrator with a comprehensive background in Cisco ACI, Cisco DNA Center, SD\-Access, Cisco ISE, CUCM, Palo Alto, and Fortinet FortiGate. The ideal candidate will be responsible for designing, implementing, managing, and securing the company's network infrastructure and unified communications systems. **Main Duties and Responsibilities:** 1\. **Network Design and Implementation**: § Design, deploy, and manage Cisco ACI fabric solutions in data center environments. § Utilize Cisco DNA Center for network automation, assurance, and analytics. § Automate network configuration and policy deployment using Cisco ISE and DNA Center integration. § Implement software\-defined access (SD\-Access) with automated segmentation and identity\-based access control. § Implement and manage Cisco SD\-Access for secure network segmentation and policy\-based access control. § Configure and maintain Palo Alto and Fortinet FortiGate firewalls for network security. § Design, configure, and manage Aruba Wireless infrastructure, including Aruba Mobility Controllers and Access Points. § Manage cloud\-based wireless deployments using Aruba Central for real\-time monitoring and configuration. § Ensure secure and high\-performance wireless connectivity across all facilities. **2\. Unified Communications:** § Deploy, configure, and manage Cisco Unified Communications Manager (CUCM) to support voice and video communication solutions. § Administer and optimize unified communications infrastructure, including call routing, voicemail, and collaboration tools. § Troubleshoot and resolve issues related to voice quality, connectivity, and system performance. **3\. Security Management:** § Configure and manage Cisco ISE for secure network access control, identity management, and policy enforcement. § Automate security policy enforcement through Cisco ISE profiling, dynamic VLAN assignment, and TrustSec integration. § Manage and maintain security configurations on Palo Alto and Fortinet FortiGate devices, including threat prevention, VPN, and firewall rules. § Conduct regular security assessments and implement mitigation strategies to protect against vulnerabilities and threats. § Configure and administer Aruba ClearPass Policy Manager for network access control and secure authentication (802\.1X, MAC auth, guest access). § Develop and manage endpoint profiling and posture assessments to enforce Zero Trust policies via ClearPass. **4\. Network Monitoring and Optimization:** § Monitor network and unified communications performance using Cisco DNA Center and other monitoring tools. § Identify and resolve network issues to ensure optimal performance and minimal downtime. § Maintain detailed network and communications documentation, including configurations, topologies, and standard operating procedures. § Monitor wireless performance using Aruba Central for proactive issue resolution and optimization. **5\. Support and Troubleshooting:** § Provide advanced technical support for network and security\-related incidents, ensuring quick resolution and minimal impact on business operations. § Collaborate with cross\-functional teams to address complex technical issues and implement network changes. § Participate in on\-call rotations to provide 24/7 support and incident response. § Continuous Improvement: § Stay current with the latest trends and technologies in network, security, and unified communications. § Proactively recommend and implement improvements to network architecture, security policies, and unified communications systems. § Mentor and train junior network engineers and administrators. **Qualifications, Competencies and Skills** **Education**: Bachelor's degree in Computer Science, Information Technology, or a related field. **Experience:** § Minimum of 5 years of experience in network, security, and unified communications administration. § Strong expertise in Cisco ACI, Cisco DNA Center, SD\-Access, Cisco ISE, and CUCM. § Hands\-on experience with Aruba Wi\-Fi solutions and ClearPass Policy Manager. § Experience in wireless network design, security, and performance tuning. § Proficiency with Palo Alto and Fortinet FortiGate firewalls. § Relevant certifications such as CCNP Data Center, CCNP security, CCNP Enterprise, PCNSE, NSE, or equivalent is highly desirable. § In\-depth knowledge of network protocols, routing, switching, security technologies, and unified communications. § Excellent analytical, problem\-solving, and communication skills § Proven leadership experience in a network and security environment. § Strong knowledge of industry best practices and emerging trends in network and security. **Preferred Skills**: § Experience with cloud security and networking (AWS, Azure, etc.). § Familiarity with scripting and automation tools (Python, Ansible, etc.). § Knowledge of network virtualization technologies and concepts. **Language:** Well versed in English and Arabic Languages. **Computer Proficiency**: Good Computer Skills, Proficient in MS Office and related software applications. **Other Preference:** § Visa 18 (Ahli) transferable residency is mandatory § Currently residing in Kuwait § Immediate joiner preferred Work Location: In person