Network & Systems Engineer

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Location: Sacramento, CA (Fully Onsite)

Duration: 6-Month Contract-to-Hire

Travel: Up to 20% travel to other company locations within the U.S.

Our client is seeking an experienced Network & Systems Engineer to join their IT team in Sacramento, CA. This role will be responsible for designing, implementing, maintaining, and securing the organization’s network and infrastructure environment. The ideal candidate will have strong hands‑on experience with Fortinet firewalls, Cisco networking technologies, and enterprise security tools, along with exposure to Microsoft hybrid environments (Active Directory, Azure, and Intune).

This position will serve as a key technical resource for network operations, security management, and infrastructure reliability.

• Manage and maintain Fortinet firewalls, including firewall policy configuration, monitoring, and optimization.
• Configure and support Cisco and Cisco Meraki network infrastructure including routing, switching, and wireless networks.
• Implement and maintain network security best practices to protect systems and data.
• Configure and manage VPN, NAT, routing, and switching environments.
• Monitor network performance, troubleshoot issues, and implement performance improvements.
• Support SIEM and security tools to detect and respond to security threats.
• Manage endpoint and security tools such as Sentinel One, Microsoft Defender, Tenable, and Automox.
• Support Microsoft hybrid infrastructure, including Active Directory, Azure AD, Microsoft 365, and Intune.
• Maintain and support Windows Server environments.
• Assist with vulnerability remediation, compliance initiatives, and security audits.
• Document infrastructure, configurations, and procedures.
• Collaborate with internal teams and serve as a technical escalation point for network and security issues.

• 5+ years of experience in network and systems engineering.
• Strong hands‑on experience with Fortinet firewalls.
• Experience working with Cisco networking technologies (Cisco / Cisco Meraki).
• Solid understanding of TCP/IP, DNS, DHCP, LAN/WAN networking.
• Experience with VPN, NAT, routing, switching, and firewall policy management.
• Experience with network monitoring, troubleshooting, and performance optimization.
• Knowledge of security operations and vulnerability management.
• Experience supporting Windows Server environments.

• Experience with SIEM platforms and enterprise security tools.
• Experience in Microsoft cloud and hybrid environments (Azure AD, Microsoft 365, Intune).
• Exposure to backup systems, compliance, or disaster recovery environments.
• Experience working in mid‑sized enterprise infrastructure environments.

• Fortinet NSE Certification (NSE 4 or higher)
• Cisco CCNA or CCNP
• CompTIA Security+
• Microsoft Certifications (Azure Administrator, Security, or Intune)