Senior Network Engineer — SD-WAN, Security & VoIP

Sierra Central Credit Union; Yuba City (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Sierra Central Credit Union is seeking a Senior Network Engineer to design, implement, and optimize our enterprise network across data centers, branch sites, and cloud environments. You will build resilient architectures, configure firewalls, routers, switches, and wireless access points, and ensure secure, high-performance connectivity.

You will lead multi-site projects, manage BGP/OSPF/EIGRP routing, IPsec/SSL VPNs, and QoS for voice/video, while driving automation with Python/Ansible and

Qualifications

• Experience designing enterprise networks across data centers, branches, and cloud environments.
• Strong administration of firewalls, VPNs, WAN routing protocols, and security best practices.
• Proven ability to lead multi-site projects and mentor junior staff.

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: Manage VoIP technologies, SIP signaling, RTP streams; leverage CCaaS/UCaaS platforms for voice and collaboration with QoS for voice traffic.
• 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; act as Network SME in third-party assessments.
• Leadership: Lead multi-site tech projects and mentor junior staff.

Skills

Network design

Firewall administration

VoIP & UCaaS

Scripting (Python/Ansible)

Project leadership

Tools

BGP/OSPF/EIGRP

VPNs & NAT

SD-WAN

Next-Gen Firewalls

WAPs / Wireless

QoS

SBCs

DNS/DHCP

Job description

Sierra Central Credit Union is seeking a Senior Network Engineer to design, implement, and optimize our enterprise network across data centers, branch sites, and cloud environments. You will build resilient architectures, configure firewalls, routers, switches, and wireless access points, and ensure secure, high-performance connectivity.

You will lead multi-site projects, manage BGP/OSPF/EIGRP routing, IPsec/SSL VPNs, and QoS for voice/video, while driving automation with Python/Ansible and