Administers, maintains, monitors, and secures enterprise network infrastructure across multiple platforms. Configures Cisco networking technologies, firewalls, VPNs, wireless systems, and monitoring tools; troubleshoots complex network issues; implements security controls; and supports availability, performance, and compliance. Collaborates with network engineering, IT operations, and security teams while documenting environments, developing procedures, and potentially training junior staff and end users.
About the Position
We are seeking an experienced Enterprise Network Systems Administrator (ENSA) responsible for administering, maintaining, monitoring, and securing enterprise network infrastructures and systems.
The ENSA will work closely with network engineering teams, IT operations, and security personnel to ensure network availability, performance, and compliance with organizational standards. This role involves configuring network devices, implementing security controls, troubleshooting complex issues, and supporting enterprise-level technologies across multiple platforms.
Our ideal candidate thrives in a fast-paced environment, enjoys solving complex technical problems, and takes ownership of critical infrastructure operations.
Requirements
Experience
Networking & Infrastructure
- +5 years of experience managing and supporting enterprise network environments.
- +3 years of recent experience as a Network Systems Administrator or similar role.
- +2 years of recent experience in security monitoring and cybersecurity operations.
- Experience working with large-scale enterprise network infrastructures.
- Experience supporting Cisco enterprise networking technologies.
- Advanced English communication skills (written and spoken).
Networking & Infrastructure
- Cisco ATA
- Cisco ACI
- Cisco APIC
- Cisco Prime
- Cisco VoIP Call Manager
- Cisco Nexus Switches
- Enterprise Routers & Switches
- Wireless Controllers & Access Points
- VPN Technologies
- Palo Alto Firewalls
- Cisco ASA Firewalls
- McAfee MVISION
- SecureWorks
- NetScout nGenius
- OpenNMS
- CACTI
- Elastic Search
- IBM Tivoli Monitoring (ITM)
- SCOM
- Route Explorer
- Wireshark
- WAF Toolsets
- Windows Server
- Linux Server
- IBM Mainframe z/OS
- Experience with Dynatrace, Uptime Robot, vROPS, Cherwell, WebCTRL, and StruxureWare.
- Experience documenting network environments and creating technical procedures.
- Experience training end users and junior IT staff.
- Familiarity with enterprise architecture and IT performance assessment methodologies.
- Knowledge of configuration, information, and data management best practices.
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