Essential Duties and Responsibilities
Network Infrastructure:
- Monitor and manage LAN, WAN, and intranet network architectures to ensure reliable, secure, and scalable connectivity across all company locations.
- Maintain and troubleshoot network hardware including routers, switches, firewalls, load balancers, VPN concentrators, and wireless access points.
- Monitor network performance, availability, and security using industry-standard tools; proactively identify and resolve issues before they impact operations.
- Plan and execute network upgrades, expansions, and migrations with minimal disruption to business operations.
- Manage IP addressing, DNS, DHCP, and other core network services.
- Create and maintain comprehensive network documentation, including topology diagrams, configuration standards, and change management records.
Server Virtualization and Cloud:
- Administer and maintain server virtualization environments using VMware vSphere/ESXi and Microsoft Hyper-V, including provisioning, performance tuning, and capacity planning.
- Manage and support Microsoft Azure cloud infrastructure, including virtual networks, resource groups, storage accounts, and Azure Active Directory integrations.
- Plan and execute virtual machine migrations, snapshots, backups, and disaster recovery procedures across on-premises and cloud environments.
- Monitor virtualization host health, resource utilization, and storage performance to ensure optimal availability and scalability.
Identity, Access, and Security:
- Implement and manage Single Sign-On (SSO) solutions to streamline user authentication across enterprise applications and services.
- Deploy, configure, and administer Cisco Duo multi-factor authentication (MFA) to enforce secure access policies across the organization.
- Develop and enforce network security policies and procedures, including firewall rules, access control lists (ACLs), intrusion detection/prevention systems (IDS/IPS), and VPN configurations.
- Manage Azure Active Directory and on-premises Active Directory integration, conditional access policies, and identity governance.
- Ensure compliance with industry standards and regulatory requirements relevant to network infrastructure and data protection.
Collaboration and Support:
- Collaborate with cross-functional teams including application development, systems administration, and security to assess network requirements and deliver integrated solutions.
- Respond to and resolve network-related incidents and service requests in a timely manner; participate in on-call rotation as needed.
- Evaluate emerging networking and virtualization technologies and make recommendations for adoption to improve performance, reliability, and cost-efficiency.