Senior Network Engineer

Company: Sierra Cybernetics
Location: Pasadena
Posted on: May 15, 2025

Job Description:

Senior Network Engineer - Pasadena

Are you the right candidate for this opportunity Make sure to read the full description below.



Sierra Cybernetics is seeking a Senior Network Engineer to work for us to support our City of Pasadena client.



You will lead the design, implementation, and administration of secure, high-performing wired and wireless networks, fiberoptic infrastructure, and cloud connectivity across the city.



This is a three to six month assignment working on a 9/80 schedule with alternating Fridays off and two days per week working remotely. You must remain available and responsive within 15 minutes via Microsoft Teams during designated work hours.



Open to US citizens, green card holders, and H1-b visa holders.



ESSENTIAL FUNCTIONS:

Lead the design, deployment, and optimization of enterprise-level network infrastructure, including routers, switches, firewalls, wireless access points, and fiberoptic systems
Serve as network architect, developing strategic plans for system performance, capacity, security, and lifecycle management
Administer and troubleshoot complex multi-site wired and wireless networks, ensuring optimal performance, reliability, and disaster recovery readiness
Evaluate and implement cloud-based and hybrid networking solutions to support City operations and remote access
Monitor and secure network infrastructure using intrusion detection systems, firewalls, and access controls
Lead infrastructure projects such as Wi-Fi expansion in public parks, fiber connectivity for traffic signal networks, and integration with cloud service providers
Collaborate with IT leadership to ensure interoperability, reliability, and supportability of infrastructure across all City departments
Provide technical leadership, mentoring, and third-tier support to IT team members and serve as a key escalation resource
Maintain up-to-date documentation, security standards, and reference tools for ongoing infrastructure support


EXPERIENCE, QUALIFICATIONS AND SKILLS:

Advanced expertise in designing and administering enterprise wired and wireless networks
Strong hands-on experience with network hardware, routing protocols, and firewall management
Proficient in network security best practices, intrusion detection, VPN, RBAC, and access control systems
Demonstrated experience leading large-scale infrastructure projects, including fiber optic and cloud connectivity
Familiarity with cloud services and hybrid cloud environments (Azure, AWS preferred)
Ability to guide and mentor IT staff while managing complex, cross-functional initiatives

Keywords: Sierra Cybernetics, Lake Forest , Senior Network Engineer, Engineering , Pasadena, California