Senior Network Engineer

Sierra Central Credit Union•Yuba City, CA

1h•$120,000 - $138,000•Onsite

About The Position

Under the supervision of the IT Manager, the Senior Network Engineer is responsible for the design, implementation, configuration, and optimization of our enterprise network infrastructure across data centers, branch sites, and cloud environments. Ideal candidates will have deep experience with nextgen firewalls, routers, switches, Wireless Access Points, plus a strong command of WAN routing protocols, SD-WAN, IDS/IPS, VPNs, and Firewall ACLs.

Requirements

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.
Industry-recognized certifications such as CCNP Enterprise/Security, NSE-4+, ACE-A/ACE-L, VCTA-NV/VCP-NV, CMNA, CISSP, or Security+ (preferred).
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).

Nice To Haves

Industry-recognized certifications such as CCNP Enterprise/Security, NSE-4+, ACE-A/ACE-L, VCTA-NV/VCP-NV, CMNA, CISSP, or Security+ (preferred).

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.

Benefits

Medical, Dental & Vision Insurance options
Voluntary Lines including hospital indemnity, accident, and critical illness policies
Company Paid HRA (with enrollment in certain health plans)
Company Paid Basic Term Life Insurance
Coverage at 2× annual base salary, up to a maximum of $500,000 for full-time employees
$25,000 for part-time employees
Company Paid Long-Term Disability Insurance for Full-Time Employees
Company Paid Telehealth Services Membership (Teladoc)
Company Paid Employee Assistance Program (EAP)
401(k) Retirement Plan
Employer-funded safe harbor contribution of 3% of employee's eligible earnings
Discretionary employer match on employee contributions
Flexible Spending Accounts
HSA
Medical FSA
Dependent Care FSA
Limited Purpose FSA
Paid Time Off
Vacation accruals based on status and tenure within company
12 sick days accrued annually for full-time employees
1 hour for every 30 hours worked for part-time employees
11 paid holidays (eligible after 90 days of employment)
Travel Expense Reimbursement
All necessary and work-related travel expenses will be reimbursed in accordance with company policy