SENIOR NETWORK & SYSTEMS ADMINISTRATOR

Microsoft Windows / Active Directory Strong experience in Active Directory, GPO, DNS, DHCP, IIS and Windows Server AD security, user/group management and troubleshooting Experience supporting 500+ users Microsoft Certification required: MCSA / MCSE / AZ-800 or equivalent Linux Administration Hands-on experience with CentOS, Rocky Linux 8 and Ubuntu LTS Server patching, troubleshooting, performance monitoring and hardening Bash scripting, SELinux/AppArmor, SSH and user management Cisco Networking Cisco Catalyst switches and Cisco ASA/Firepower VLAN, Trunking, STP, OSPF, EIGRP, BGP Firewall, NAT, VPN, QoS and network troubleshooting CCNA mandatory; CCNP preferred VMware & Backup VMware ESXi / vCenter, VM provisioning, vMotion, DRS, HA and storage Veeam Backup & Replication, backup monitoring, replication and DR Security & Other Platforms Tenable Security Center: vulnerability scanning, reporting and remediation Fortinet: FortiEDR / FortiClient EMS and FortiProxy CCTV, NVR/DVR and Access Control systems Key Responsibilities Manage and troubleshoot enterprise network and server infrastructure Monitor and maintain Microsoft, Linux, Cisco, Fortinet and VMware environments Manage backups, vulnerability assessments and security systems Perform patching, upgrades, preventive maintenance and DR activities Maintain IT asset records, network diagrams, SOPs and technical documentation Prepare infrastructure, security, backup and compliance reports Provide proactive monitoring and incident resolution Desired Candidate Profile 8+ years of Network & Systems Administration experience Hands-on experience with ALL mandatory technologies listed above Valid Microsoft Certification CCNA mandatory; CCNP preferred Strong English communication and documentation skills Ability to work independently with minimal supervision Preferred Certifications CCNP VMware VCP Fortinet NSE 4/5+ Veeam VMCE Tenable Certification CompTIA Security+ Employment Type Full-time

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