Network & Security Infrastructure
Share
Job Location:
Libertyville, IL - USA
Monthly Salary:
Not Disclosed
Posted on:
4 hours ago
Vacancies:
1 Vacancy
Job Summary
Network & Security Infrastructure -SDM
Location
Onsite Libertyville IL (Candidate must reside nearby and be available onsite)
Location
Onsite Libertyville IL (Candidate must reside nearby and be available onsite)
Role Summary
The Network & Security Infrastructure Lead responsible for end-to-end ownership of network and security operations across a complex hybrid infrastructure comprising on-premises data centers multiple physical locations access points and Azure cloud networks.
This is a client-facing onsite leadership role acting as the primary Point of Contact (POC) for all network and security operations. The role combines hands-on technical expertise with operational governance ensuring service stability incident control and service delivery excellence in alignment with ITIL best practices.
Key Responsibilities
Own and lead 24x7 network and security operations across on-prem cloud and hybrid environments.
Act as the primary onsite POC for network and security operations escalations and governance.
Lead incident triage major incident management root cause analysis (RCA) and resolution.
Provide hands-on troubleshooting for complex and critical network and security issues.
Manage operational shifts handovers and overlap coverage to ensure uninterrupted services.
Ensure compliance with SLA KPI and ITIL processes (Incident Problem Change).
Drive continuous service improvement operational optimization and automation initiatives.
Deliver operational service and executive-level reporting to client stakeholders.
Required Skills & Hands-On Experience
Hands-on proficiency with Cisco CLI Meraki Dashboard FortiGate (GUI/CLI) Aruba SD-WAN Orchestrator Zscaler console and Cisco routers/switches.
Hands-on experience with ClearPass (Network Access Control) and Infoblox (DNS DHCP IPAM) operations and troubleshooting.
Strong understanding of routing and switching protocols including EIGRP OSPF BGP STP VLANs and VRFs.
Hands-on experience with firewalls VPNs NAT ACLs QoS policies and TCP/IP across hybrid data center cloud environments.
Working knowledge of Azure networking including VNets VPN Gateway ExpressRoute NSGs and routing.
Experience with VMware virtual networking including vSwitches distributed switches port groups and VLAN tagging.
Familiarity with network and performance monitoring using LogicMonitor and Azure Network Watcher.
Understanding of storage network protocols (iSCSI NFS SMB) and connectivity troubleshooting with Dell PowerStore / Isilon.
Strong understanding of backup and replication traffic flows involving Commvault Zerto and storage systems.
Exposure to ITSM tools (ServiceNow Remedy) and ITIL service management processes including Incident Problem and Change Management.
Strong documentation communication and cross-team collaboration skills in a client-facing environment.
Experience & Certifications
14 years of experience in enterprise Network & Security Infrastructure Operations preferably in managed services or large hybrid environments.
Relevant certifications are a plus including but not limited to:
o CCNP / CCIE (Enterprise or Security)
o Fortinet NSE 4 / NSE 5 / NSE 7
o Aruba ACNP / ACSP
o Microsoft Azure Networking (AZ-700)
o ITIL v4 Foundation
Key Skills
- IDS
- Network security
- Active Directory
- Tcp/IP
- LAN
- Routers
- Windows
- Access Control
- Information Security
- Linux
- Troubleshoot
- Intrusion Detection
- Juniper
- Security Devices
- Dns
