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.

See also