Senior Network Engineer

Saicon Consultants Inc

Redmond, WA

Instant Apply

1 day ago

Job Description

Job Description:

The Senior Network Engineer is responsible for the architecture, design, engineering, and operational support of enterprise network, which is primarily Cisco-based with Ubiquiti UniFi deployments at select remote sites. This role provides expert-level routing, switching, wireless, and network security support (including Cisco Client, Cisco Umbrella, and Cisco Firepower Threat Defense), and also maintains and supports network infrastructure associated with customer equipment that Denali hosts on-premise on behalf of its customers. The Senior Network Engineer participates in planning, installation, maintenance, management, and coordination of all network services, and serves as a senior technical escalation point for complex network issues, including Wi-Fi troubleshooting and remediation.
Provide expert-level network design and daily operational support for Denali's enterprise-wide Cisco network infrastructure, including sites with Ubiquiti UniFi equipment
Lead architecture and design of routing, switching, wireless, and network security solutions to meet business and operational requirements
Serve as a senior escalation point for complex network incidents; perform root cause analysis on service-interrupting events and implement measures to prevent recurrence
Design, configure, deploy, and maintain Cisco Client for network access control, authentication, and policy enforcement
Administer and optimize Cisco Umbrella for DNS-layer security and web filtering across the environment
Administer and support Cisco Firepower Threat Defense (FTD) for network security, threat prevention, and firewall policy management
Troubleshoot and remediate wireless (Wi-Fi) connectivity, coverage, and performance issues across corporate and remote sites
Implement and maintain routers, switches, firewalls, and wireless infrastructure across LAN, WAN, and remote-site environments
Support and maintain network infrastructure associated with customer equipment hosted on-premise at Denali facilities, ensuring segmentation, availability, and security standards are met
Design, configure, monitor, and optimize local and wide area networks for maximum availability, performance, and security
Design, configure, and manage network security features, including firewalls, VPNs, and access control, in coordination with the security team
Develop, maintain, and update a library of network technical documentation, including topology diagrams and standard operating procedures
Evaluate and recommend new network hardware, software, and technologies for compatibility, scalability, and security
Partner with cross-functional IT and engineering teams to plan, install, and coordinate network changes, upgrades, and new deployments
Mentor and provide technical guidance to junior network engineers and IT staff
Participate in an on-call rotation and provide after-hours support for critical network issues as needed
Bachelor's degree in Computer Science, Information Technology, or a related field preferred (or equivalent combination of education and experience)

Education & Experience:

5+ years of experience
5+ years of experience as a Network Engineer, with demonstrated experience at a Senior level
Expert-level knowledge of enterprise network architecture and design
Expert-level experience with Cisco routing and switching in a production enterprise environment
Expert-level experience deploying, configuring, and supporting Cisco Client (Identity Services Engine)
Expert-level experience administering Cisco Umbrella
Expert-level experience administering and supporting Cisco Firepower Threat Defense (FTD)
Required: proven, hands-on experience troubleshooting and remediating Wi-Fi/wireless issues
Experience with Ubiquiti UniFi equipment, particularly in a remote-site context, strongly preferred
Experience supporting wireless LAN controllers (Cisco WLC C9800), SD-WAN via Cisco vManage Dashboard, and centralized security management platforms (Cisco FMC or FDM)
Experience supporting network infrastructure for customer-owned equipment hosted on-premise
Strong working knowledge of network security fundamentals, including firewalls, VPNs, and segmentation
Strong documentation, troubleshooting, and root cause analysis skills
Ability to prioritize competing critical tasks and work independently with minimal direction
Strong written and verbal communication skills, with the ability to explain technical concepts to non-technical stakeholders

Professional Certification:

CCNP or CCIE, or a similar certification level from another vendor

One or more of the following certifications preferred:

CCIE Security, CCIE Enterprise Infrastructure, CCIE Data Center, or CCNP Data Center

Numbers & Facts

Location

Redmond, WA

Skills

Access Controlunmatched
Architectural Designunmatched
Authenticationunmatched
Business Operationsunmatched
CCIE - Cisco Certified Internetwork Expertunmatched
CCNP - Cisco Certified Network Professionalunmatched
Centralized Operations/Managementunmatched
Cisco Network Systemsunmatched
Cisco Switchesunmatched
Communication Skillsunmatched
Computer Scienceunmatched
Computer Securityunmatched
Content Filtering Softwareunmatched
Cross-Functionalunmatched
Customer Support/Serviceunmatched
DNS (Domain Name System)unmatched
Develop and Maintain Customersunmatched
Enterprise Architectureunmatched
Enterprise Protectionunmatched
Establish Prioritiesunmatched
FDM (Frequency Division Multiplexing)unmatched
Firewallsunmatched
Identify Issuesunmatched
Information Technology & Information Systemsunmatched
Internet Securityunmatched
Mentoringunmatched
Network Access Control (NAC)unmatched
Network Administration/Managementunmatched
Network Architecture/Engineeringunmatched
Network Configuration Managementunmatched
Network Designunmatched
Network Operations Centerunmatched
Network Routersunmatched
Network Routingunmatched
Network Securityunmatched
Network Softwareunmatched
Network Supportunmatched
Network Switchingunmatched
Network System Hardwareunmatched
On Callunmatched
Operational Supportunmatched
Presentation/Verbal Skillsunmatched
Production Systemsunmatched
Reporting Dashboardsunmatched
Root Cause Analysisunmatched
Security Attacksunmatched
Security Infrastructureunmatched
Security Monitoringunmatched
Standard Operating Procedures (SOP)unmatched
Technical Leadershipunmatched
Technical Writingunmatched
Technical/Engineering Designunmatched
Topologyunmatched
VPN (Virtual Private Network)unmatched
Wi-Fiunmatched
Wide Area Network (WAN)unmatched
Wireless Communicationsunmatched
Wireless LANunmatched
Wireless Securityunmatched
Writing Skillsunmatched

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