Network Support Engineer

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.
• Provide technical mentorship and guidance to other IT staff on networking and workstation support escalations.