About this opportunity
KORE1 lists this System And Network Manager opportunity in oxnard, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
About the Role
Senior Manager, Networking & Systems Engineering
Location : Oxnard, CA
Employment Type : Full-Time
Work Arrangement : 100% Onsite
Comp $125K-$175K
Overview
KORE1, a nationwide provider of staffing and recruiting solutions, is seeking a highly technical Senior Manager, Networking & Systems Engineering to lead the architecture, operation, and continued development of a complex enterprise IT infrastructure environment.
This position leads the engineering function responsible for networking, virtualization, core computing infrastructure, storage, Linux systems, backup/recovery, and related infrastructure technologies. The primary focus is operational excellence—ensuring high availability, strong system performance, reliable connectivity, and resilient infrastructure across business-critical and public-safety environments.
The Senior Manager will serve as a technical authority for switching, routing, virtualization, and infrastructure architecture while also providing direct leadership to network and systems engineering staff. This is a hands‑on technical leadership position requiring someone who can operate at both the architecture and management levels.
The environment includes a diverse technology stack spanning Cisco, Juniper, Meraki, VMware, Linux, Veeam, Fortinet, SonicWall, Cloudflare, Splunk, LogicMonitor, Docker, SQL platforms, and other enterprise infrastructure technologies.
Key Responsibilities
Architect, manage, and optimize enterprise switching and routing infrastructure across a multi-site environment.
Manage Juniper and Cisco switching environments, including routing, VLANs, network segmentation, and throughput optimization.
Manage and optimize edge networking and firewall environments utilizing technologies such as SonicWall, Fortinet, and Cisco Firepower.
Maintain reliable site‑to‑site VPN connectivity and proactively address traffic‑flow, bandwidth, latency, and performance issues.
Manage enterprise Meraki wireless infrastructure and related edge services.
Support DNS, CDN, and DDoS protection services utilizing Cloudflare.
Maintain highly available and redundant network architectures with an emphasis on eliminating single points of failure.
Maintain backup and failover connectivity for critical systems.
Public Safety & Critical Infrastructure
Manage dedicated and segmented networks supporting public safety and emergency‑response operations.
Maintain network connectivity supporting radio, surveillance, and emergency communications systems.
Support infrastructure underpinning 911 and other mission‑critical systems, ensuring appropriate availability and redundancy.
Ensure network segmentation, architecture, and access controls supporting public‑safety environments comply with applicable CJIS requirements.
Partner with security personnel and external auditors to implement and validate required technical controls.
Serve as lead architect for the VMware environment, including ESXi hosts, vCenter, resource pools, datastores, and associated storage.
Manage highly available virtual infrastructure supporting both enterprise and mission‑critical workloads.
Oversee storage infrastructure, including Synology storage arrays, ensuring availability, performance, and data integrity.
Manage and support Linux server environments, including system lifecycle, patching, repositories, and platform stability.
Support containerized infrastructure utilizing technologies such as Docker Swarm.
Oversee managed file-transfer infrastructure and related data-transfer services.
Provide infrastructure‑level oversight for MySQL/Percona and Microsoft SQL Server environments, partnering with application teams on performance, availability, and change management.
Monitoring, Reliability & Disaster Recovery
Utilize LogicMonitor, N‑Central, Splunk, and related tools to proactively monitor network and infrastructure health, bandwidth, latency, performance, and availability.
Identify and resolve infrastructure bottlenecks before they materially impact users or critical services.
Engineer, maintain, and regularly test backup and recovery solutions utilizing Veeam.
Ensure established RPO/RTO objectives are supported and regularly validate restoration procedures for critical systems.
Design infrastructure with appropriate redundancy, failover, clustering, and high‑availability capabilities.
Maintain and test UPS and related power‑continuity systems supporting critical technology infrastructure.
Participate in and help develop a strong on‑call and incident‑response culture.
Support the operational side of identity and access management utilizing technologies such as Okta and enterprise password‑management solutions.
Oversee user provisioning, SSO integration, directory synchronization, access controls, and user lifecycle processes.
Oversee mobile device management and enterprise mobile‑device environments.
Collaborate with security teams to implement infrastructure security controls and remediate identified vulnerabilities.
Support deployment and operation of endpoint‑security technologies within the infrastructure environment.
Assist with technical risk documentation and implementation of applicable compliance controls.
Ensure infrastructure changes maintain an appropriate balance between security, reliability, performance, and usability.
Architecture & Technical Leadership
Act as technical lead and solution architect for new infrastructure projects.
Make key decisions involving design patterns, scalability, redundancy, performance, and component architecture.
Plan, design, implement, maintain, and optimize assigned infrastructure systems and related projects.
Evaluate system functionality, service operations, and overall performance and recommend improvements.
Lead implementation of new systems, system modifications, upgrades, migrations, and retirement of legacy technologies.
Own the lifecycle of technical documentation, ensuring current architecture diagrams, reference documentation, design records, procedures, and runbooks are maintained.
Monitor infrastructure performance indicators and service levels.
Partner with application, security, engineering, and organizational leadership teams to resolve dependencies and ensure technical alignment.
Lead, coach, and manage network and systems engineering personnel and applicable contract resources.
Establish priorities and provide technical direction to engineering staff.
Hire, train, develop, and evaluate team members.
Build technical depth within the engineering organization and support continued professional development.
Conduct performance evaluations and provide ongoing feedback and coaching.
Develop effective on‑call, escalation, and incident‑response practices.
Participate in budget planning and administration, monitor expenditures, and provide recommendations related to infrastructure investments.
Oversee applicable vendors, contractors, and technology partners.
Minimum Qualifications
Education
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.
Experience
Minimum of five (5) years of progressively responsible professional IT experience involving the planning, organization, implementation, and support of information systems, infrastructure programs, or technology projects.
Minimum of two (2) years of supervisory or technical leadership experience.
Strong hands‑on experience with enterprise networking, switching, routing, virtualization, systems infrastructure, and high‑availability environments.
Experience designing, implementing, and maintaining complex enterprise infrastructure.
Strong troubleshooting and analytical capabilities across network and systems technologies.
Experience leading technical projects and coordinating across multiple technology disciplines.
Strong written and verbal communication skills.
Highly Desirable Qualifications
Master's degree in Computer Science, Information Technology, Business Administration, or a related field.
Experience supporting a public-sector, municipal, public‑safety, or similarly mission‑critical IT environment.
Familiarity with CJIS security requirements.
Strong experience with Cisco and/or Juniper networking technologies.
CCNP (Cisco) or JNCIP (Juniper) certification.
Strong VMware architecture and administration experience.
VCP (VMware Certified Professional) certification.
Microsoft infrastructure certification or equivalent experience.
Experience supporting multi‑vendor firewall environments.
Experience with enterprise monitoring, backup/recovery, storage, Linux, containerization, and database infrastructure.
This position is 100% onsite in Oxnard, California. Remote and hybrid work are not available.
The normal work schedule is:
Monday through Thursday: 8:00 a.m. – 6:00 p.m.
Alternating Fridays: 8:00 a.m. – 5:00 p.m.
Depending on operational needs, the position may occasionally require work outside standard hours or additional availability during periods of increased workload, infrastructure changes, outages, or critical incidents.
The work environment may include both office-based responsibilities and work at other facilities or infrastructure locations as required.
Due to the position's access to public‑safety systems and sensitive technology environments, the selected candidate will be required to successfully complete a thorough background investigation, including a polygraph examination, as part of the selection process
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Worksite address
oxnard, CA, 93033, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.