Network/Systems Engineer

Robert Half is looking for an experienced Network/Systems Engineer to support and enhance enterprise infrastructure in Santa Rosa, California. This is a contract, onsite position for a detail-oriented individual who can maintain reliable, secure, and high-performing network environments while partnering with technical teams, vendors, and end users.

Responsibilities

• Monitor network health, investigate connectivity and performance issues, and resolve incidents affecting availability, security, and overall system reliability.
• Administer core network and server environments, including user access, group permissions, login configurations, shared resources, and printer connectivity.
• Plan, configure, install, upgrade, and maintain infrastructure systems and related software to meet operational and business requirements.
• Review hardware, operating system, and network performance trends, then recommend improvements that strengthen efficiency, resilience, and security.
• Establish and maintain backup, recovery, access control, and data protection procedures to support business continuity and secure operations.
• Apply formal change management practices when implementing system updates, configuration changes, and infrastructure enhancements.
• Evaluate networking and systems technologies, prepare technical recommendations, and produce clear documentation such as procedures, reports, manuals, and training materials.
• Design and support enterprise network architecture spanning multiple platforms, vendor solutions, internet connectivity, email services, and interconnected hardware and software components.
• Partner with stakeholders, vendors, and internal teams to scope solutions, estimate effort and cost, support project delivery, and provide escalated technical assistance when needed.
• Perform day-to-day LAN, WAN, and server administration.
• Troubleshoot network performance, connectivity, security, availability, hardware, and software issues.
• Create and maintain user accounts, groups, permissions, security access, network resources, and email accounts.
• Install, configure, upgrade, optimize, and maintain server and network hardware and software.
• Administer and support Microsoft Windows Server environments.
• Support Microsoft Exchange, Office 365, Active Directory/Azure Active Directory, IIS, and SQL Server environments.
• Manage VMware server and desktop virtualization technologies.
• Support enterprise storage, backup, recovery, and disaster recovery solutions.

Requirements

• Experience with Cisco products (routing and switching).
• Experience supporting complex, multi-platform enterprise environments.
• Strong Windows Server and Microsoft infrastructure administration experience.
• Hands-on Cisco networking experience.
• Experience with VMware virtualization and enterprise backup/recovery solutions.
• Experience supporting cloud environments such as Azure and AWS.
• Strong understanding of networking, VPN, DNS, routing, security, and disaster recovery.
• Experience managing infrastructure upgrades, migrations, deployments, and other technical projects.
• Ability to troubleshoot complex server, network, storage, desktop, and application issues.
• Strong documentation and change management experience.

Benefits

• Medical, vision, dental, and life and disability insurance.
• Eligibility to enroll in the company 401(k) plan.