Network Administrator III

The essential duties and responsibilities include the following at a senior enterprise-wide engineering level:

• Provide senior-level engineering administration and lifecycle management across the organizations LAN/WAN server virtualization cloud and collaboration platforms.
• Lead the design implementation optimization and security of network infrastructure including switching routing VLANs wireless firewalls and remote connectivity solutions.
• Serve as a primary engineer for Windows Server environments Active Directory DNS/DHCP GPO policies file/print services and system hardening.
• Architect deploy and administer virtualization platforms (VMware) and enterprise storage including performance tuning resource optimization and high-availability configurations.
• Provide advanced support and engineering for Office 365 / Microsoft 365 including Exchange Online Teams SharePoint Online identity integration security compliance and administration automation.
• Manage and operate Azure cloud services hybrid identity conditional access MFA and cloud-based infrastructure components in collaboration with internal technical teams.
• Support the design and enforcement of enterprise IT policies security standards and operational best practices across all infrastructure domains.
• Participate in enterprise-wide IT initiatives involving networking telecommunications cloud adoption modernization cybersecurity and systems transformation.
• Provide escalated technical leadership for troubleshooting complex multi â layer issues across network server cloud and application stacks.
• Collaborate with business unit leaders and end users to solve infrastructure â related business problems and deliver stable secure solutions.
• Oversee SIP/VoIP and unified communications system configuration and support in conjunction with external vendors as needed.
• Participate in disaster recovery planning and execution including backups replication strategies and recovery testing for both on â prem and cloud systems.
• Provide cross-site support for all EGI business units and serve as a technical escalation resource for Infrastructure Team members.
• Maintain system integrity availability and performance through proactive monitoring capacity planning and analytical evaluations.
• Contribute to IT roadmap planning recommending upgrades modernization efforts and new technologies aligned with organizational goals.
• Remain available for emergency response and critical after-hours support when required.
• Perform other duties as assigned while abiding by all Ellwood policies and attendance requirements.

Skills and Abilities

• Expert-level knowledge of LAN/WAN engineering switching routing VLANs and advanced firewall configuration aligned with least privilege principles.
• Deep understanding of Windows Server Active Directory and Directory Services including group policy design and identity lifecycle management.
• Advanced proficiency with cloud services (Azure Microsoft 365) including identity security compliance and hybrid infrastructure.
• Strong capability in virtualization technologies (VMware) SAN storage replication and availability architectures.
• Advanced understanding of backup and disaster recovery methodologies spanning on â prem systems cloud services and virtual infrastructures.
• Strong PowerShell/scripting ability and automation mindset for system deployment configuration and monitoring.
• Excellent analytical and problem â solving skills capable of leading complex troubleshooting efforts and delivering efficient solutions.
• Strong organizational communication and project management skills including the ability to lead initiatives across teams.
• Demonstrated ability to work independently maintain confidentiality and operate effectively in rapidly changing environments.
• Ability to travel regionally as needed.

Education and Experience

• Bachelors Degree in Computer Science Information Technology or equivalent combination of experience and education.
• Minimum seven (7) years experience in enterprise infrastructure administration across multi â site environments including networking servers virtualization cloud and security. (Elevated from Level II expectations.)
• Minimum five (5) years with VMware SAN storage and enterprise-level Microsoft technologies including Office 365 and hybrid/cloud integrations. 1
• Experience with firewall platforms security hardening backup technologies identity management and modern cloud-based services.
• Experience with Cisco Call Manager or other unified communications systems is a plus.

Required Experience:

Unclear Seniority