Senior System Administrator

- 7+ years of extensive hands-on experience in System Administration. - In-depth knowledge of networking principles including OSI, LAN/WAN, DHCP, DNS, routing, switching, and firewalls. - Proficient in managing datacenter environments, particularly in power, rack space, and AC configurations. - Comprehensive understanding of the Windows Operating System, encompassing application servers, database software, and deployment technologies. - Experience in building and maintaining servers. - Familiarity with Virtualization technologies such as VMware and Hyper-V. - Proficient with Storage Area Networks like NetApp, EqualLogic, EMC, and Nimble. - Skilled in designing, implementing, and maintaining Data Backup and Recovery solutions, including off-site backups. - Conduct proactive monitoring of network and systems performance, taking necessary corrective actions. - Manage network upgrades, hardware refreshes, as well as OS/software upgrades and patching. - Scripting expertise in VB, Batch, WSH, PowerShell, or Python. - Experience with deployment and maintenance of monitoring, analysis, and reporting tools. - Knowledge of Remote Access Technologies, including Citrix, RDP, SSH, and SplashTop. - Working understanding of network security protocols such as VPNs, ACLs, IPSEC, SSL, and TLS. - Strong background in Exchange, Office 365, Domain Controller, and Active Directory. - Familiarity with Sophos Antivirus or similar enterprise software solutions. - Understanding of spam filtering technologies and email troubleshooting. - Capable of ensuring a stable and reliable production environment, including problem diagnostics and fault analysis across the entire stack. - Design and implement infrastructure, wireless, and surveillance solutions for business operations. - Ability to assess new technologies and propose hardware replacements or additions. - Willingness to learn and adapt to new technologies driven by business needs. - Flexibility to occasionally work outside standard business hours.