We are seeking a highly skilled Network & Systems Infrastructure Engineer with at least 10 years of experience in designing, installing, and maintaining enterprise networks and systems operations. This role involves monitoring and supporting large-scale network infrastructures with diverse systems and security environments, and requires a strong ability to multitask, work independently, and collaborate effectively within a team.

Key Responsibilities:

• Design, implementation, and migration of enterprise VLANs and routing protocols (OSPF, BGP, Multicast: PIM, DVMRP)

• Support for 24/7 high-availability enterprise network and system operations

• Assist senior engineers in infrastructure and security operations

• Expert-level troubleshooting up to 100GB standard, including VOIP, VRRP, ACLs, firewalls, and endpoint integrity

• Ensure compliance and security across policy-enabled networks

Required Skills & Expertise:

• Advanced knowledge of Network Access Control (NAC), IDS/IPS, EAP/PEAP, RADIUS, and Certificate Authorities

• Strong familiarity with SNMPv3, SSH, SSL, Active Directory, DHCP, DNS, IAS

• Experience with Disaster Recovery planning, multi-vendor hardware, and policy enforcement

• Proficient with tools and protocols across network security and diagnostics

Desirable Knowledge:

• SCADA, IPAM, PCI compliance, WDM, MACSEC

Additional Requirements:

• Strong verbal and written communication for documentation and reporting

• Ability to respond to after-hours emergencies with minimal supervision

• Demonstrated use of best practices in operations without compromising security