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Sierra Central Credit Union · 10 hours ago

Senior Network Engineer

Yuba City,CA,US

Full-time

Onsite

Mid, Senior Level

$120K/yr - $138K/yr

7+ years exp

Sierra Central Credit Union is seeking a Senior Network Engineer responsible for the design, implementation, configuration, and optimization of their enterprise network infrastructure. The role involves managing network architectures, troubleshooting issues, and leading tech projects while ensuring security and compliance.

BankingCredit CardsFinancial Services

Responsibilities

Architecture & Design: Build resilient network architectures (campus, WAN/SD-WAN, data centers), segmentation, policy-based routing, and high-availability frameworks

Implementation & Ops: Configure/manage firewalls, routers, switches and wireless access points; handle BGP/OSPF/EIGRP routing, IPsec/SSL VPNs, DNS/DHCP/NAT/QoS

Telephony: Proven experience with enterprise telephony systems and VoIP technologies, including SIP signaling, RTP media streams, and troubleshooting voice protocols. Strong knowledge of CCaaS (Contact Center as a Service) and UCaaS (Unified Communications as a Service) platforms for voice, video, and collaboration. Expertise in QoS configuration for voice traffic, Session Border Controllers (SBCs), and VoIP security best practices to ensure reliable and secure communications across complex network environments

Troubleshooting & Monitoring: Diagnose L2/L3, VPN, SD-WAN, wireless, and performance issues; lead incident response and post-mortems

Automation & Documentation: Use Python/Ansible/Git for config automation; maintain diagrams, runbooks, inventories, and change records

Security & Compliance: Manage ACLs, IPS/IDS, firewalls, NAT, zero-trust segmentation; enforce secure defaults and logging. Participate as the Network Subject Matter Expert in annual third party

Leadership: Lead multi-site tech projects and mentor junior staff

Qualification

NextGen firewallsDynamic routing protocolsNetwork protocolsCloud networkingPythonAnsibleVoIP technologiesNetwork securityAdvanced troubleshootingCommunicationOrganizational skillsAttention to detailLeadership

Required

Excellent communication and stakeholder engagement skills

Excellent organizational skills and attention to detail

Strong knowledge of networking protocols and services, including TCP/IP, VLANs, STP, routing, NAT, QoS, DHCP, and DNS

Ability to configure and optimize dynamic routing protocols such as BGP, OSPF, and EIGRP

Understanding of Zero Trust security models, SASE frameworks, RF optimization techniques, and wireless network design principles

Advanced troubleshooting and packet analysis skills using tools like Wireshark

Proficiency in scripting, change management, automation, and monitoring tools using Python, Ansible, and PowerShell

Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience)

7+ years of experience in network engineering in a complex enterprise environment

Proficiency with Cisco Firepower, FortiGate, Arista EOS, VeloCloud SD-WAN, HPE Instant On, Meraki MR/MX/MS platforms

Extensive experience with network protocols and services, including TCP/IP, VLANs, STP, routing, NAT, QoS, DHCP, and DNS

Extensive experience configuring and optimizing dynamic routing protocols, including BGP, OSPF, and EIGRP where applicable

Extensive VPN, ZTNA, and Firewall ACL experience

Experience managing and configuring NextGen firewalls, NetFlow, Deep Packet Inspection (DPI), Intrusion Prevention/Detection Systems (IPS/IDS), and Access Control Lists (ACLs)

Experience in cloud networking (AWS/Azure/GCP)