Network/Systems Manager

We are looking for an experienced Network/Systems Manager to join our team in Livermore, California. This is Network/Systems Manager a Contract-to-Permanent position offering an opportunity to lead and oversee critical network operations while collaborating with management and technical teams. The ideal Network/Systems Manager will take ownership of network systems, provide strategic recommendations for improvements, and ensure seamless technology operations across multiple sites. This is an onsite position sitting in Livermore, Ca.

The ideal Network/Systems Manager will have Palo Alto firewall experience, strong Cisco networking skills, and a background in Active Directory, VMware, and Google Workspace. The Network/Systems Manager will also help manage security in collaboration with our managed security provider, including patch management, configurations, and oversight of new firewall deployment. Experience with Cisco VoIP systems—particularly in design and configuration—is preferred.

When the current manager is out, this Network/Systems Manager role will act as the primary liaison to upper management, requiring excellent communication skills and the ability to present clearly to executives. You will also be the go-to person for staff when issues arise, ensuring problems are addressed quickly and effectively.

Responsibilities:

•Key Responsibilities

• Oversee the network and virtual server environments, ensuring reliable and secure operations across all sites.
• Administer LAN/WAN infrastructure including Cisco network equipment, virtualization platforms (VMware), Active Directory, user accounts, and network services.
• Manage and configure firewalls (Palo Alto) and coordinate with security providers for patching, monitoring, and threat mitigation.
• Oversee deployment of new network and security hardware, including upcoming firewall projects.
• Configure and support Cisco VoIP systems, including design and implementation.
• Troubleshoot and resolve hardware, software, and network issues to minimize downtime.
• Evaluate requests for technical assistance, determine appropriate actions, and assign resources accordingly.
• Collaborate with leadership to plan short- and long-term technology upgrades, replacements, and system improvements.
• Design and optimize network architectures (e.g., VLAN, VPN, routing, content filtering, QoS, IDS/IPS, etc.) for high performance and security.
• Install and update network software, service packs, and security patches across multiple platforms.
• Monitor servers, appliances, and network devices to ensure proper performance and availability.
• Lead technology projects, including migrations, new implementations, and product evaluations, ensuring they meet deadlines and quality standards.
• Coordinate with internal teams, vendors, and contractors to complete projects and resolve issues efficiently.
• Prepare documentation including network maps, technical reports, procedures, and recommendations for improvements.
• Stay informed on industry trends, tools, and best practices to inform purchasing and operational strategies.
• Act as a primary contact for management, providing updates, reports, and recommendations.

Technical Expertise:

• 5 years of experience in network administration or IT infrastructure management.
• Strong knowledge of Cisco networking (switches, routers, LAN/WAN).
• Hands-on experience with Palo Alto firewall configuration and management.
• Experience managing VMware virtual server environments.
• Proficiency in Active Directory administration.
• Cisco VoIP configuration and design experience.
• Familiarity with Google Workspace administration.

Security & Systems Management:

• Understanding of cybersecurity best practices and patch management.
• Experience working with managed security service providers (MSSPs).
• Knowledge of IDS/IPS, VLAN, VPN, QoS, routing, and network monitoring tools.

Leadership & Communication:

• Ability to lead technical initiatives and act as a primary contact for executives when needed.
• Strong problem-solving skills with the ability to work independently.
• Excellent verbal and written communication skills; capable of presenting to leadership teams.

Other Requirements:

• Willingness to travel between Livermore sites.
• Ability to prioritize multiple projects and respond to urgent issues.

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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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