Network Admin
WIDENET CONSULTING, LLC
Seattle, United States of America
5 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
IntermediateJob location
Seattle, United States of America
Tech stack
Access Control List
API
Amazon Web Services (AWS)
iOS
Azure
Border Gateway Protocol
Catalyst
Cisco PIX
Cisco IOS
Cisco Routers
Command-Line Interface
Cloud Computing
Collaborative Software
Dynamic Host Configuration Protocol
DNS
Enhanced Interior Gateway Routing Protocol
Firmware
Virtual Private Networks (VPN)
Python
Network Security
Networking Basics
Network Diagrams
Network Planning and Design
Network Monitoring
Routing
Network administration
Cisco Nexus Switches
Open Shortest Path First
Paessler Router Traffic Grapher
Ansible
TCP/IP
Virtual Local Area Networks
Wide Area Networks
Wireless Access Point
Wireless Networks
Identity Services Engine
Network Access Control
Computer Network Operations
Nx-os
Reliability of Systems
Firewalls (Computer Science)
Information Technology
SolarWinds (Software)
Network Support
Patch Management
Firepower
Cisco Switches
Cisco networks
Vulnerability Analysis
Job description
We are seeking an experienced Network Administrator II to join our IT Infrastructure team. In this mid-level role, you will be responsible for designing, implementing, managing, and troubleshooting enterprise network systems with a primary focus on the Cisco ecosystem. You will work closely with senior engineers and cross-functional teams to ensure network reliability, performance, and security across the organization., Network Operations & Administration
- Configure, maintain, and monitor Cisco routers, switches, and firewalls (IOS, IOS-XE, NX-OS)
- Manage LAN/WAN infrastructure, including VLANs, STP, OSPF, EIGRP, and BGP routing protocols
- Administer Cisco Catalyst and Nexus switching environments
- Monitor network performance using tools such as Cisco DNA Center, SolarWinds, or PRTG
- Perform routine network maintenance, firmware upgrades, and patch management
Security & Compliance
- Manage Cisco ASA and Firepower (FTD) firewalls, access control lists (ACLs), and VPN configurations
- Implement and enforce network security policies in alignment with organizational standards
- Support network access control (NAC) using Cisco ISE
- Assist with security audits, vulnerability assessments, and remediation efforts
Wireless & Collaboration
- Administer Cisco Wireless LAN Controllers (WLC) and access points (Catalyst/Aironet series)
- Troubleshoot wireless connectivity issues and optimize RF coverage
- Support Cisco Unified Communications and collaboration tools as needed
Incident & Change Management
- Respond to network incidents and outages, providing timely resolution and root cause analysis
- Participate in on-call rotation for after-hours support
- Document network changes, configurations, and procedures in accordance with ITIL practices
- Collaborate with the helpdesk and IT teams to resolve escalated network issues
Projects & Continuous Improvement
- Participate in network design reviews and infrastructure upgrade projects
- Evaluate and recommend new technologies to improve network performance and resilience
- Mentor junior network staff and contribute to knowledge-sharing initiatives
Requirements
Required
- 3-5 years of hands-on experience in network administration
- Proficiency with Cisco IOS/IOS-XE/NX-OS command-line configuration
- Strong working knowledge of routing protocols: OSPF, EIGRP, BGP
- Experience with Cisco ASA or Firepower firewall management
- Solid understanding of TCP/IP, DNS, DHCP, QoS, and network fundamentals
- Familiarity with network monitoring and management tools
- Ability to read and interpret network diagrams and documentation
Preferred
- Cisco Certified Network Professional (CCNP)
- Cisco Certified Network Associate (CCNA)
- Experience with Cisco SD-WAN (Viptela) or Cisco DNA Center
- Familiarity with Cisco ISE for network access control
- Exposure to cloud networking (AWS, Azure) and hybrid environments
- Experience with automation tools such as Ansible, Python, or Cisco DevNet APIs
- ITIL Foundation certification