Senior Manager, Networking and System Engineering

City of Oxnard•Oxnard, CA

1d•Onsite

About The Position

The City of Oxnard’s Information Technology Department is seeking a highly technical Senior Manager, Networking and System Engineering to architect, build, and maintain the backbone of the City's IT infrastructure. This role leads the engineering team responsible for the City's network fabric, virtualization stack, and core computing environment. The primary mandate of this position is operational excellence: high availability, robust system performance, and seamless connectivity across City departments. This person will serve as the technical authority on switching, routing, and virtualization strategy, ensuring the technology stack scales with the City's growth and daily operations.

Requirements

Bachelor’s Degree from an accredited college or university with major coursework in Computer Science, Information Systems, Electronics Engineering, Voice/Data Communications, Public/Business Administration, or a related field.
Five (5) years of progressively responsible professional experience in a technical, administrative, or staff capacity with responsibility for planning, organizing, and implementing information system programs and projects, including two (2) years of supervisory experience.
Must be able to effectively communicate in English, both orally and in writing.
Candidates who hold a foreign degree will be required to provide official documentation verifying degree equivalency or matriculation upon hire, depending on the position’s requirements.

Nice To Haves

Master’s Degree in Computer Science, Information Technology, Business Administration or related field
Experience supporting a public-sector or municipal IT environment, including familiarity with CJIS security requirements.
CCNP (Cisco) or JNCIP (Juniper)
VCP (VMware Certified Professional)
MCSE or equivalent Microsoft infrastructure certification
RHCE, LPIC, or CompTIA Linux+

Responsibilities

Manage and configure the City's switching infrastructure, including Juniper switches for the storage network and Cisco switches for the general network.
Ensure optimal routing, VLAN management, and throughput for high-performance applications.
Manage and optimize the edge network and firewall rulesets across a multi-vendor environment (SonicWall, Fortinet, Cisco Firepower), with a primary focus on traffic flow, bandwidth optimization, and site-to-site VPN reliability.
Manage the Citywide Meraki wireless environment and edge services (including Cloudflare for DNS/CDN/DDoS protection) to ensure secure, reliable connectivity at every City facility.
Own the City's telephony network and manage the carrier relationship (Verizon) supporting voice, cellular, and mobile connectivity, including the City's mobile phone fleet.
Use LogicMonitor, N-Central, and Splunk to actively monitor network health, bandwidth usage, and latency — not just for log review — proactively identifying and resolving bottlenecks before they impact end users.
Manage and maintain the dedicated, segmented networks supporting Police and Fire operations, including the dark site network and Radio System connectivity, to the higher reliability and availability standards these systems require.
Maintain the network infrastructure underpinning the City's 911 System and surveillance systems (including the Ubiquiti surveillance environment), ensuring uptime and availability for public safety and emergency operations.
Maintain backup/failover connectivity (e.g., Starlink) to preserve continuity for critical and public safety systems during a primary network outage.
Ensure network architecture, segmentation, and access controls for public-safety systems meet CJIS requirements, partnering with the Security team and outside auditors as needed.
Serve as lead architect for the VMware environment, including storage and the City's Public Safety VMware environment. Manage ESXi hosts, vCenter, resource pools, and datastores to ensure maximum uptime and performance.
Oversee the configuration and maintenance of Synology storage arrays and MOVEit managed file transfer, ensuring data remains accessible and data integrity is preserved.
Manage the lifecycle of the Linux server environment, including container platforms (Docker Swarm). Own repository and patch management infrastructure to ensure system stability and patch consistency enterprise-wide.
Provide infrastructure-level oversight of the City's MySQL/Percona and Microsoft SQL Server environments (including Redgate tooling), partnering with application teams on performance, availability, and change management.
Oversee mobile device management (MaaS360) and the City's mobile phone fleet to ensure secure, consistent configuration.
Engineer and test robust backup solutions using Veeam. Ensure RPO/RTO objectives are met and regularly validate restoration procedures for critical systems.
Maintain and test UPS systems supporting critical infrastructure to ensure continuity during power events.
Design systems with no single point of failure where possible, planning for high availability in both network topology and server clustering.
Support the operational side of identity management using Okta and LastPass, ensuring seamless user provisioning, SSO integration, and efficient directory synchronization.
Oversee access controls and user lifecycle management so employees have the right access to the right tools without unnecessary friction.
Collaborate with the Security team to implement necessary controls within the infrastructure (e.g., deploying CrowdStrike agents via group policy, remediating vulnerabilities identified by the vulnerability management program).
Assist in maintaining the technical accuracy of the Risk Register and support CJIS technical controls from an implementation perspective.
Hire, coach, and manage the performance of network and systems engineering staff; set priorities, develop staff technical growth, and build a strong on-call and incident-response culture.
Own the lifecycle of technical documentation, ensuring all department-owned systems have up-to-date architectural diagrams, reference documentation, and design records.
Act as technical lead and solution architect for new projects within your domain, making key decisions on design patterns, scalability, and component structure.
Partner with other engineering teams and City leaders to ensure technical alignment, resolve dependencies, and foster a cohesive engineering culture.
Oversee the conduct of and supervision of staff including conducting performance evaluations and implementing training, and hiring, discipline and termination procedures.
Reviews system functionality, service support operations, and overall performance of assigned technology area in meeting requirements; analyzes and provides recommendations for performance and process enhancements and overall optimization of technology.
Provides oversight of and plans, analyzes, designs, implements and/or maintains assigned technology systems, support operations and related projects.
Take action in the full range of formal personnel activities, and provide contract oversight in conjunction within the Information Technology Department.
Plans, coordinates and supports the implementation of new and assigned existing systems, system modifications and/or the discontinuation of existing systems and related equipment.
Participates in the development, administration and evaluation of assigned budget; monitors budget compliance and expenditures; recommends and implements budget adjustments.
Prepares and oversees the development of technical documentation, policies/procedures, proposals, process flows, training materials, performance reporting, presentations, correspondence and/or other documentation in support of assigned programs/projects/processes/functions.
Monitors and reports on performance indicators and service levels.
Performs other duties of a similar nature and level as assigned.