14 Results for It Infrastructure Technician Jobs in Brea, CA

Add your latest resume to match with open positions.

Network Engineer

Los Angeles, CA
onsite
Permanent / Full Time
145000 - 175000 USD / Yearly
Senior Network Engineer Company Overview A growing organization is seeking a Senior Network Engineer to support and improve its enterprise infrastructure environment. This role offers the opportunity to work on network operations, infrastructure projects, and ongoing technology initiatives. Role Summary The Senior Network Engineer will be responsible for maintaining, improving, and supporting enterprise network infrastructure. The role requires a combination of engineering, troubleshooting, project delivery, and collaboration with cross-functional technology teams. Key Responsibilities<ul><li>Support and maintain enterprise network infrastructure and connectivity.</li><li>Participate in network upgrades, enhancements, and technology projects.</li><li>Troubleshoot complex infrastructure and connectivity issues.</li><li>Monitor network performance and recommend improvements.</li><li>Maintain technical documentation and operational procedures.</li><li>Collaborate with internal teams and external partners to support business needs.</li><li>Assist with network security, reliability, and operational initiatives.</li></ul>Additional Details<ul><li>Hybrid work environment</li><li>Full-time position</li><li>Participation in operational support activities may be required</li></ul>
2026-10-14T00:00:00Z

Network Engineer

Los Angeles, CA
onsite
Permanent / Full Time
135000 - 160000 USD / Yearly
Network Engineer OverviewAn organization is seeking a Network Engineer to support enterprise network infrastructure, end-user technology services, and operational technology environments. This role combines network engineering responsibilities with hands-on technical support and requires an individual who enjoys working across infrastructure, systems, connectivity, and user-facing technology challenges. The ideal candidate will possess strong networking expertise, a customer-service mindset, and the ability to support distributed locations while helping maintain secure, reliable, and scalable technology operations. ResponsibilitiesNetwork Engineering<ul><li>Design, implement, and maintain enterprise network infrastructure</li><li>Support network availability, performance, redundancy, and security initiatives</li><li>Manage network hardware lifecycle, upgrades, and deployments</li><li>Monitor network performance and troubleshoot connectivity issues</li><li>Implement security controls and assist with cybersecurity best practices</li><li>Maintain network documentation, diagrams, and technical standards</li><li>Investigate and resolve complex infrastructure incidents</li><li>Participate in network modernization and continuous improvement efforts</li></ul>Technical Support<ul><li>Provide Tier 1 and Tier 2 support for end users across multiple locations</li><li>Troubleshoot hardware, software, network, and access-related issues</li><li>Manage incidents and service requests through a ticketing system</li><li>Escalate issues appropriately while maintaining ownership through resolution</li><li>Communicate technical concepts clearly to non-technical users</li><li>Develop and maintain user documentation and knowledge-base articles</li><li>Identify opportunities to reduce recurring support issues through process improvement</li></ul>
2026-10-16T00:00:00Z

AI Data Center Infrastructure Architect

Irvine, CA
remote
Permanent / Full Time
20000 - 300000 USD / Yearly
We are looking for an experienced infrastructure architect to lead the design of large-scale environments that support AI model training, inference, and high-performance computing in Irvine, California. This role blends deep technical expertise with practical decision-making across compute, networking, storage, and data center infrastructure, ensuring solutions are scalable, resilient, and ready for production. The position works closely with engineering, operations, vendors, and facilities teams to turn workload demands and site constraints into well-defined, deployable architectures. Responsibilities: • Architect end-to-end data center solutions for AI and HPC environments, aligning compute, interconnect, storage, and management systems into a cohesive platform. • Convert workload profiles, growth forecasts, and site limitations into detailed infrastructure designs that support performance, reliability, and future expansion. • Assess rack-scale platforms and hardware configurations to determine the best fit for resiliency, operational efficiency, and long-term scalability. • Design network frameworks for compute, storage, user, and administrative traffic with careful attention to bandwidth, failover, and overall fabric performance. • Define storage strategies based on throughput, latency, capacity, and application behavior to meet demanding AI and HPC requirements. • Produce detailed equipment specifications and bills of materials covering hardware components, connectivity, software, support agreements, and spare inventory. • Review vendor and integrator proposals to confirm technical completeness, pricing accuracy, and alignment with architectural requirements. • Partner with manufacturers, OEMs, and integration providers during technical assessments and contribute expertise during commercial discussions. • Establish rack layouts, cabling plans, service access considerations, and facility requirements including power, cooling, weight, and floor space. • Create validation standards for benchmarking, reliability testing, and operational acceptance before systems are released into production.
2026-10-18T00:00:00Z

AI Infrastructure Project Manager

Irvine, CA
remote
Permanent / Full Time
175000 - 200000 USD / Yearly
We are looking for an experienced AI Infrastructure Project Manager to oversee the delivery of a sophisticated data center project in Southern California. This role guides the work from early planning through commissioning and operational readiness, partnering with contractors, engineers, suppliers, and internal infrastructure teams. The ideal candidate brings strong on-site leadership, technical fluency across mission-critical systems, and the ability to keep complex workstreams aligned in a fast-moving environment. Responsibilities:• Build and manage a master project timeline that ties together permitting, construction activity, equipment procurement, installation milestones, testing, and final handoff.• Monitor schedule performance, identify risks to key milestones, and drive corrective actions when progress slips.• Lead daily coordination across builders, design partners, vendors, and internal teams to keep execution aligned with project goals.• Oversee technical documentation workflows, including design reviews, RFIs, submittals, revisions, and approval tracking through completion.• Follow the status of major electrical, mechanical, and technology equipment orders to prevent procurement delays from affecting site progress.• Work with utility providers, permitting agencies, and specialty consultants to secure required approvals and maintain project momentum.• Align facility and technology stakeholders on infrastructure and equipment needs early enough to support design development and field installation.• Maintain organized records of decisions, project risks, ownership assignments, action items, and target dates.• Conduct regular site reviews to confirm work quality and progress, then resolve field issues with the appropriate partners.• Coordinate commissioning, acceptance testing, turnover documentation, and the transition of the facility into operational use.
2026-10-19T00:00:00Z

Systems Engineer

Newport Beach, CA
onsite
Permanent / Full Time
100000 - 120000 USD / Yearly
We are looking for a Systems Engineer to support and strengthen the technology environment for a dynamic school community in Newport Beach, California. This role focuses on keeping core infrastructure stable, secure, and well maintained while also delivering responsive technical support for users and classrooms. The ideal candidate brings strong hands-on networking experience, a service-oriented mindset, and the ability to manage both daily operations and longer-term improvement initiatives. Responsibilities: • Oversee the performance and upkeep of wired and wireless infrastructure by deploying, configuring, validating, and documenting network equipment in alignment with established technical designs. • Support daily network operations to promote dependable connectivity and minimize service interruptions across campus systems. • Review system activity, alerts, and performance data to identify issues early and maintain overall network health. • Administer access controls, security configurations, and user account setup across systems to protect resources and ensure appropriate permissions. • Use security and vulnerability management tools to evaluate risk, monitor exposure, and help maintain a secure technology environment. • Execute infrastructure and systems projects involving hardware installation, software deployment, testing, and integration while coordinating work to avoid disruption to existing services. • Maintain clear technical records covering system setups, network layouts, and troubleshooting procedures in collaboration with technology leadership. • Provide hands-on support to faculty, staff, and students for technology-related needs, including event support, help desk requests, and resolution of hardware or software issues. • Partner with the broader Technology Team on data stewardship, continuous improvements, and other assigned initiatives that enhance school operations. • Assist with desktop, printer, and mobile device support across Windows, Mac, iOS, and Android environments as needed.
2026-10-22T00:00:00Z

Systems Engineer

Signal Hill, CA
onsite
Temporary / Contract
35.625 - 41.25 USD / Hourly
We are looking for a Systems Engineer to support and enhance core infrastructure operations for a restaurant and catering organization in Signal Hill, California. This Long-term Contract position focuses on maintaining reliable server, identity, messaging, and remote access environments while helping teams resolve complex technical issues. The role is well suited for someone who is comfortable working across Microsoft-based systems and delivering stable, secure platform support in a fast-paced business setting. Responsibilities: • Administer and support Active Directory and Azure Active Directory environments, including user access, group policies, and directory health. • Maintain Microsoft Windows Server infrastructure to ensure strong performance, availability, and security across business systems. • Provide ongoing support for Citrix technologies, resolving access issues and improving the end-user experience for remote and on-site teams. • Manage Microsoft Exchange operations, including mailbox administration, service reliability, and issue resolution. • Monitor system performance, troubleshoot infrastructure problems, and implement corrective actions to minimize downtime. • Partner with internal technology teams to apply updates, strengthen security controls, and maintain system documentation. • Assist with infrastructure-related projects and operational improvements as needed, including work tied to platform or environment changes. • Deliver technical support and root-cause analysis for escalated server, directory, and messaging incidents.
2026-10-28T00:00:00Z

Systems Engineer

Los Angeles, CA
onsite
Permanent / Full Time
130000 - 150000 USD / Yearly
Systems Engineer OverviewAn organization is seeking a Systems Engineer to support enterprise cloud technologies, business applications, automation initiatives, and IT infrastructure operations. This individual will help improve system reliability, streamline operational processes, and support ongoing technology modernization efforts across the organization. Responsibilities<ul><li>Administer and support enterprise cloud and collaboration platforms</li><li>Develop and maintain automation solutions to improve operational efficiency</li><li>Support identity and access management initiatives</li><li>Manage endpoint technologies and related platform services</li><li>Assist with system integrations and application support efforts</li><li>Monitor platform performance, availability, and operational health</li><li>Troubleshoot infrastructure, cloud, and application-related issues</li><li>Create and maintain technical documentation and operational procedures</li><li>Collaborate with technical teams and business stakeholders on technology initiatives</li><li>Identify opportunities for process improvement, automation, and operational excellence</li></ul>
2026-10-16T00:00:00Z

Security Engineer

Los Angeles, CA
remote
Permanent / Full Time
130000 - 140000 USD / Yearly
Security Engineer OverviewA leading global professional services organization is seeking a Security Engineer with Third-Party Risk experience. The Security Engineer plays a critical role in safeguarding the organization’s ecosystem by evaluating the security posture of external vendors and partners. This role focuses on conducting technical risk assessments across SaaS platforms, cloud environments, and hosted services while ensuring compliance with industry standards and client expectations. Based remotely, this position partners closely with IT security leadership and cross-functional stakeholders to mitigate risk and strengthen third-party security practices. Key Responsibilities<ul><li>Conduct technical security assessments of third-party vendors across SaaS platforms, cloud infrastructure, and hosted services</li><li>Evaluate vendor security controls, including access management, encryption, and data protection practices</li><li>Review vendor documentation such as SOC 2 reports, ISO certifications, and security testing results</li><li>Assess cloud environments (AWS, Azure, GCP) for security configurations, segmentation, and identity controls</li><li>Analyze API security, including authentication methods, data transmission, and vulnerability risks</li><li>Evaluate DevSecOps maturity, including secure development practices and CI/CD pipeline security</li><li>Track and manage vendor risk findings, ensuring remediation efforts are completed in a timely manner</li><li>Support client-facing security activities, including questionnaires, audits, and compliance reviews</li><li>Collaborate with internal stakeholders to align vendor security with regulatory requirements (e.g., GDPR, CCPA)</li><li>Prepare risk reports and present key findings to leadership and cross-functional teams</li></ul>Additional Details<ul><li>Remote (must reside in proximity to a supported office region)</li><li>Core hours: 8:00 AM – 4:00 PM PT (7-hour workday)</li><li>Occasional travel may be required for vendor assessments</li><li>Collaborative environment with direct exposure to senior leadership and security stakeholders</li></ul>
2026-10-28T00:00:00Z

Systems Administrator III

Los Angeles, CA
onsite
Permanent / Full Time
125000 - 170000 USD / Yearly
Senior IT Operations Analyst OverviewAn organization is seeking a Senior IT Operations Analyst to support and enhance enterprise applications, cloud technologies, infrastructure platforms, and operational processes. This role will serve as a senior technical resource responsible for systems administration, application lifecycle management, automation, project leadership, and continuous improvement initiatives across a complex technology environment. Responsibilities<ul><li>Lead support, administration, and optimization of enterprise applications and business systems</li><li>Troubleshoot and resolve complex application, infrastructure, and user-related issues</li><li>Manage application lifecycle activities, upgrades, testing, and deployments</li><li>Administer cloud and on-premises collaboration, messaging, and business platforms</li><li>Lead technology improvement initiatives and operational process enhancements</li><li>Support identity management, access administration, and endpoint technologies</li><li>Coordinate with vendors and technology partners to resolve issues and implement solutions</li><li>Develop and maintain technical documentation, standards, and support procedures</li><li>Oversee quality assurance, system testing, and production readiness activities</li><li>Lead technology projects from planning through implementation</li><li>Provide escalation support and participate in on-call activities as needed</li><li>Mentor junior team members and contribute to team development</li></ul>
2026-11-04T00:00:00Z

IT Help Desk Support Specialist

Century City, CA
onsite
Temporary / Contract
25 - 35 USD / Hourly
Position Summary We are seeking a skilled and customer-focused Desktop Support Technician to provide advanced technical support for end users across the organization. This role serves as a primary escalation point for Tier I support issues and is responsible for troubleshooting hardware, software, network connectivity, and endpoint-related issues. The ideal candidate will possess strong technical expertise, excellent customer service skills, and the ability to work independently in a fast-paced environment. Key Responsibilities<ul><li>Provide Tier II support for desktops, laptops, mobile devices, printers, and related peripherals.</li><li>Diagnose and resolve complex hardware, software, operating system, and application issues.</li><li>Install, configure, maintain, and upgrade workstations, software, and equipment.</li><li>Support Microsoft 365 applications, including Outlook, Teams, OneDrive, and SharePoint.</li><li>Manage user accounts, permissions, and access within Active Directory and Azure Active Directory (Entra ID).</li><li>Assist with onboarding and offboarding activities, including equipment deployment and account provisioning.</li><li>Troubleshoot network connectivity issues, including VPN, Wi-Fi, and basic LAN/WAN problems.</li><li>Document incidents, resolutions, and procedures within the IT ticketing system.</li><li>Escalate issues to appropriate teams when necessary and track resolution through completion.</li><li>Maintain inventory of IT assets and assist with technology refresh initiatives.</li><li>Support conference room technology, audio/video equipment, and meeting room setups.</li><li>Participate in after-hours support, maintenance activities, and on-call rotations as required.</li><li>Follow company security policies and assist with endpoint compliance initiatives.</li></ul>
2026-10-26T00:00:00Z

Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
125000 - 145000 USD / Yearly
Systems Administrator OverviewA growing organization is seeking a Systems Administrator to support enterprise cloud platforms, end-user technologies, identity management, and core infrastructure services. This individual will play a key role in maintaining secure, scalable, and reliable technology operations while supporting ongoing modernization and automation initiatives. The ideal candidate combines strong systems administration experience with a proactive approach to process improvement, platform management, and end-user support. Responsibilities<ul><li>Administer and support enterprise productivity, collaboration, and cloud platforms</li><li>Manage identity, access, authentication, and user lifecycle processes</li><li>Support endpoint management, device administration, and security initiatives</li><li>Maintain backup, recovery, and business continuity processes</li><li>Assist with integration and administration of enterprise applications and SaaS platforms</li><li>Develop and maintain automation solutions to improve operational efficiency</li><li>Monitor platform health, system performance, and operational reliability</li><li>Troubleshoot and resolve complex infrastructure and application issues</li><li>Maintain technical documentation, standards, and operational procedures</li><li>Partner with internal stakeholders to support technology initiatives and business operations</li></ul>
2026-11-05T00:00:00Z

Systems Administrator

Beverly Hills, CA
onsite
Temporary / Contract
45.9135 - 53.163 USD / Hourly
We are seeking a Systems Administrator to support Microsoft 365, endpoint management, workstation deployments, and end-user support in a modern Microsoft cloud environment. This role will be responsible for managing Microsoft Entra ID, Intune, Windows devices, user access, security policies, and device lifecycle activities while delivering excellent customer service to end users. Responsibilities<ul><li>Administer and support Microsoft Entra ID, Microsoft Intune, and Microsoft 365 environments.</li><li>Manage user accounts, groups, permissions, licensing, devices, and access controls.</li><li>Deploy, configure, and support Windows 11 laptops and workstations.</li><li>Migrate devices to Entra ID Join and enroll endpoints into Intune.</li><li>Configure and maintain Intune policies, application deployments, device compliance, and endpoint security controls.</li><li>Support Windows Autopilot, Conditional Access, BitLocker, Windows Hello for Business, and Microsoft Defender for Endpoint.</li><li>Provide Tier II/Tier III support for workstation, authentication, Microsoft 365, hardware, software, and mobile device issues.</li><li>Support BYOD, MDM/MAM, and mobile device administration for iOS and Android devices.</li><li>Assist with Active Directory, file shares, printers, and general infrastructure administration.</li><li>Create and maintain technical documentation, deployment procedures, and support knowledge articles.</li><li>Participate in IT infrastructure, security, and cloud transformation projects.</li><li>Provide white-glove support to employees and leadership during device deployments and migrations.</li></ul>
2026-10-28T00:00:00Z

Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
130000 - 150000 USD / Yearly
IT Operations Analyst OverviewAn organization is seeking an IT Operations Analyst to support enterprise applications, cloud technologies, systems administration, and end-user technology operations. This individual will play a key role in maintaining business-critical systems, supporting application deployments, troubleshooting technical issues, and helping drive operational efficiency across the technology environment. Responsibilities<ul><li>Support and maintain enterprise applications and business systems</li><li>Troubleshoot application, system, and user-related issues</li><li>Assist with application deployments, updates, and lifecycle management</li><li>Administer user accounts, access controls, and directory services</li><li>Support cloud and on-premises technology environments</li><li>Assist with endpoint management, patching, and security initiatives</li><li>Partner with internal teams to resolve escalated technical issues</li><li>Create and maintain technical documentation and operational procedures</li><li>Participate in system enhancements, upgrades, and technology projects</li><li>Coordinate with third-party vendors and technology partners</li><li>Contribute to testing, quality assurance, and continuous improvement efforts</li><li>Participate in after-hours support and scheduled on-call activities as needed</li></ul>
2026-11-04T00:00:00Z

Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
110000 - 140000 USD / Yearly
Systems Administrator OverviewEstablished organization is seeking a Systems Administrator to support critical operational technology environments. This position is responsible for maintaining automation platforms, supporting system integrations, and improving the reliability and performance of business-critical operational systems. Key Responsibilities<ul><li>Administer, maintain, and enhance industrial automation and operational technology platforms.</li><li>Support system integrations between field devices, applications, databases, and reporting tools.</li><li>Configure, troubleshoot, and optimize control systems, instrumentation, and monitoring environments.</li><li>Develop reports, dashboards, and data solutions to support operational decision-making.</li><li>Assist with implementation, testing, upgrades, and maintenance of automation and control system technologies.</li><li>Partner with business stakeholders, vendors, and technical teams to deliver technology initiatives.</li><li>Maintain documentation, technical procedures, system configurations, and support materials.</li><li>Participate in project planning, vendor coordination, and ongoing operational improvements.</li></ul>
2026-10-28T00:00:00Z

14 results for It Infrastructure Technician in Brea, CA