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# Network Administrator

- **Company:** iPeople Infosystems LLC
- **Location:** Blue Bell, United States
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, User Authentication, Border Gateway Protocol, Catalyst (Software), IT Management, IP Address Management, Network Troubleshooting, Network Diagrams, Routing, Network Segmentation, Open Shortest Path First (OSPF), Overlay Transport Virtualization, TCP/IP, Virtual Local Area Networks, Software Vulnerability Management, Wireless Access Point, Wireless Networks, Identity Services Engine, Computer Network Technologies, Firewalls (Computer Science), Information Technology, Firepower, Firewall Services Module, Cisco
- **Published:** August 6, 2026
- **Apply:** https://www.dice.com/job-detail/b72365e9-fea4-479d-b333-b520947cc2fe

## About the Role

Strong ownership mindset and ability to work independently is critical
Excellent troubleshooting and analytical skills
Ability to handle production-critical situations under pressure
Clear communication with IT, OT, and business stakeholders
High discipline in documentation and change processes

## Description

Must Have Technical/Functional Skills
Enterprise IT Network
Cisco Switching: Catalyst (L2/L3)
Cisco Wireless: WLC, Access Points
Firewalls: Cisco Firepower / ASA (or equivalent)
Cisco DNA Center (DNAC)
Cisco ISE (NAC, authentication)
Core Networking
TCP/IP, VLANs, VXLAN,
Routing (OSPF/BGP)
NAT, ACLs, segmentation
OT Awareness (Good to Have)
Basic understanding of:
o IT/OT segmentation
o Industrial environments
o OT security concepts
Roles & Responsibilities
Act as the primary SME for all IT network related incidents.
Perform end-to-end troubleshooting and resolution independently
Handle high-severity and production-impacting incidents with full ownership.
Perform deep root cause analysis (RCA) and implement permanent fixes.
Manage and support Enterprise IT Network:
o Cisco LAN (Catalyst switches L2/L3)
o Wireless (WLC, Access Points, RF troubleshooting)
o Firewalls (Cisco Firepower / ASA or equivalent)
o Cisco DNA Center (DNAC) monitoring, assurance, compliance
o Cisco ISE authentication, NAC, policy enforcement
o Proactively identify and fix network health and performance issues.
o Work closely with onsite OT/network plant teams for:
Plant network dependencies
Industrial connectivity issues
Change coordination impacting production
o Provide IT-side inputs for IT/OT segmentation and security.
o Perform OT Network troubleshooting
o Execute Network changes (configurations, upgrades, patching)
o Perform New deployments and site expansions
o Ensure Proper risk assessment and rollback planning
o Changes executed during approved windows
o Manage EOL/EOS tracking and remediation.
o Implement and maintain Network segmentation
o Firewall policies and secure access controls
o Vulnerability remediation and patching
o Security incident investigation
o Coordinate with OEM TAC (Cisco, firewall vendors)
o Create, Update and Maintain Network diagrams and configurations
o IP address management
o Create, Update and Maintain SOPs/runbooks
o Ensure accurate ITSM updates and audit compliance.


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