paycor
Network Engineer III
ADNET Systems, Inc.
Fairmont, USA
Full-time
Senior Level
Onsite
Discovered 1 weeks ago
Free
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- Design, configure, deploy, and maintain Alcatel-Lucent Enterprise (ALE) OmniSwitch infrastructure across LAN environments
- Build and maintain VLAN architecture, spanning tree configurations, and link aggregation across the switch fleet
- Perform switch firmware upgrades, patching, and lifecycle management to keep infrastructure current and secure
- Troubleshoot switching-layer issues, including port errors, VLAN misconfigurations, and inter-switch connectivity problems
- Plan and execute switch replacements, stack expansions, and capacity upgrades as the network grows
- Manage and monitor the switch fleet through OmniVista Network Management System
- Build and maintain configuration templates to standardize switch deployments and reduce configuration drift
- Use OmniVista dashboards and alerting to proactively identify device health issues, port errors, and abnormal traffic patterns
- Coordinate firmware rollouts and configuration changes across multiple sites using OmniVista's centralized management tools
- Maintain accurate device inventory and topology views within the platform
- Configure and maintain FortiGate firewall policies to enforce network segmentation and security controls
- Manage routing configurations and high availability (HA) pairs to ensure firewall resiliency
- Apply and tune security profiles, including intrusion prevention, application control, and web filtering
- Perform firmware upgrades and patching on FortiGate appliances in line with vendor security advisories
- Troubleshoot firewall-related connectivity and performance issues in coordination with the security team
- Utilize FortiAnalyzer for centralized log aggregation across FortiGate devices
- Build and maintain reports and dashboards for traffic analysis, security event trends, and compliance reporting
- Correlate security events across the network to support incident detection and investigation
- Tune log retention, storage, and alerting policies to align with organizational and compliance requirements
- Design and manage 802.1X network access control policies using Aruba ClearPass
- Implement and maintain certificate-based authentication (EAP-TLS) for wired and wireless endpoints
- Manage PKI/certificate lifecycle for network authentication, including issuance, renewal, and revocation of client and device certificates
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