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K20S Information Technology LLC

Job Role: Network &amp; Security Administrator
Experience: 7+ years
Location: Dubai, UAE (Onsite)
Duration: 3 months contract
Preferred: Own visa candidates are preferred. If the candidate does not have a visa, the company will provide visa. UAE local candidates are considered.


Responsibilities include:
<ul>
<li>Administering and maintaining enterprise network infrastructure, including routers, switches, VLAN configurations, and routing protocols across multiple sites to ensure optimal performance, availability and strong security controls&nbsp; across the network environment.</li>
<li>Configuring, optimizing, and maintaining network and security devices—including designing, deploying, and managing enterprise firewall environments across multi-vendor platforms (Fortinet, Palo Alto, Cisco ASA, and Check Point)—in line with industry best practices to ensure high availability, optimal performance, and robust security controls across the network environment.</li>
<li>Implementing and maintaining secure VPN solutions, including site-to-site tunnels and remote access connectivity, and configuring web proxy solutions to enforce internet usage policies while ensuring compliance with organizational security standards.</li>
<li>Managing and optimizing UTM appliances, including IPS/IDS, content filtering, and anti-malware solutions to maintain strong threat prevention.</li>
<li>Developing, implementing, and regularly reviewing firewall rules, ACLs, and network security policies to align with evolving infrastructure and business requirements.</li>
<li>Conducting periodic security assessments and vulnerability scans, identifying risks, and executing remediation plans to address security gaps.</li>
<li>Monitoring network and security events through SIEM and log management platforms, investigating alerts, and responding to incidents in a timely and effective manner.</li>
<li>Supporting and maintaining VoIP infrastructure and Avaya telephony systems (IP Office, Aura, CM), including configuration of extensions, hunt groups, auto-attendants, voicemail, SIP trunk integrations, and troubleshooting voice quality issues.</li>
<li>Managing backup and disaster recovery processes to ensure data protection, system resilience, and validated recovery capabilities.</li>
<li>Troubleshooting and resolving advanced issues related to routing, switching, firewalls, load balancers, and security appliances, performing root cause analysis (RCA), and implementing permanent corrective actions to prevent recurring incidents.</li>
<li>Collaborating with internal IT teams , procurement teams, vendors, and service providers to resolve escalations and maintain service availability to business.</li>
<li>Maintaining accurate and up-to-date technical documentation, inventory, AMC and Support renewals, including network diagrams, system configurations, and standard operating procedures.</li>
</ul>
&nbsp;
Qualifications &amp; Experience:
<ul>
<li>Bachelor’s degree in Computer Science, Information Technology, or related field.</li>
<li>7–12 years of hands-on experience in IT infrastructure and network administration, network security.</li>
<li>Solid, practical knowledge of Firewalls, VPN, UTM, Web Proxy, Routers, and Switches and a track record of working with these in real enterprise environments, not just on paper.</li>
<li>Relevant certifications (CCNA/CCNP Security, Fortinet NSE, Palo Alto PCNSA/PCNSE, CompTIA Security+, CISSP, ITIL ) are highly desirable.</li>
<li>Experience interfacing with cybersecurity and endpoint security.</li>
<li>Experience in compliance with data privacy regulations and internal security policies.</li>
</ul>
&nbsp;
Skills &amp; Competencies:
<ul>
<li>Hands-on multivendor network switches, routers, firewalls, WAF, LB products, NICE platforms.</li>
<li>Good at breaking down complex problems and figuring out what’s actually going on, not just applying a quick fix.</li>
<li>Can explain technical issues clearly to non-technical people and works well with different teams across the business.</li>
<li>Comfortable working independently but equally effective when collaborating across departments.</li>
<li>Pays attention to the details that matter especially in security and network configs where small mistakes have big consequences.</li>
<li>Can juggle multiple tasks without losing focus on what’s most urgent or impactful.</li>
</ul>
&nbsp;