IT Jobs in Irvine, CA

The Senior Consultant develops and implements business process and technology solutions for clients, provides training, and manages project risks and deliverables while mentoring junior consultants.

Lead end-to-end sales pursuits for IT infrastructure managed services. Build and execute strategic sales plans, penetrate target markets, shape messaging, drive RFP responses and negotiations, and ensure smooth sales-to-delivery transitions while mentoring teams and promoting collaboration.

Lead and manage IT Ops team delivering help desk and sysadmin services, own runbooks and SLAs, drive automation and projects (backup, virtualization, provisioning), handle escalations and cross-team compliance coordination, and hire/mentor staff.

The Technology Audit Manager leads internal and external security audits, coordinating activities, managing stakeholders, and integrating findings into risk processes.

The Manager, IT Business Partner manages IT initiatives, translating business needs into actionable projects, ensuring timely delivery, and enhancing process efficiency through stakeholder engagement and program management.

Lead strategy and execution for enterprise data, integration, analytics, and AI. Own multi-year roadmaps, portfolio delivery, governance, stakeholder engagement, talent development, vendor/financial management, and drive adoption of modern data and AI capabilities to deliver measurable business value.

Provide hands-on end-user IT support and Microsoft 365 administration, manage onboarding and asset inventory, maintain ITSM processes and documentation, assist with servers/VMs and network first-level troubleshooting, coordinate vendors and IT projects, and support endpoint management and Microsoft 365 tenant tasks.

Drive end-to-end strategic sourcing for IT technology categories. Lead RFXs, develop sourcing strategies, negotiate commercial terms, support contracting and onboarding, manage supplier performance, identify cost-optimization opportunities, and ensure procurement policy and regulatory compliance while partnering with cross-functional stakeholders.

Provide hands-on administration and support for servers, endpoints, identity services, backups, and core productivity platforms in a school environment. Monitor system health, respond to incidents, manage devices (Windows, macOS, ChromeOS, iPadOS), administer Active Directory and Google Workspace, maintain patching and security, support Microsoft 365 and Google Classroom, and coordinate vendors and disaster recovery activities.

Own and operate the IT ticketing system and provide end-user support across corporate offices and hotels. Troubleshoot Windows, Microsoft 365, networking, endpoints, printers, and business apps. Use AD/Entra ID, Intune, Exchange Online, Teams, SharePoint, and PowerShell. Monitor endpoint security, assist with vulnerability remediation, support onboarding/offboarding, asset management, and infrastructure deployments.

As an IT Support Specialist, you will provide technical support to end users, troubleshoot issues, assist with IT projects, and manage employee onboarding/offboarding activities.

Provide day-to-day IT support for end users, manage new-hire provisioning and asset inventory, maintain building tech (alarms, access control, cameras), support VoIP (VTX, Amazon Connect), manage software subscriptions and vendor relationships, and create internal documentation.

Lead the IT team to plan, implement, and maintain IT infrastructure and initiatives. Manage networks, servers, cloud services, vendors, budgets, and supervise staff while ensuring secure, scalable systems and alignment with organizational goals.

Maintain and modernize enterprise IT infrastructure across networking, servers, virtualization, cloud (AWS), and security. Troubleshoot and optimize Arista networks and Palo Alto firewalls, administer Linux systems, support virtualization and migrations, implement security/patch management, participate in projects and on-call maintenance, and produce technical documentation.

Lead high-volume, full life-cycle IT recruiting for the West region, driving strategic resourcing, best practices, partner relationships and candidate experience. Source and evaluate candidates, manage pipelines, coordinate interviews and offers, negotiate fulfillment with account teams and partners, and ensure diverse hiring practices and compliance.

Senior Windows-focused Platform Engineer responsible for administering Windows server environments, supporting IBM FileNet/DataCap/BAW/ICN applications, ensuring security and performance, implementing monitoring, troubleshooting production issues, documenting systems, and collaborating with internal teams and clients to improve platform stability and processes.

Design, build, and maintain automated test frameworks and scripts. Lead test strategy, planning, and execution across functional, load, integration, security, server-side, and ETL testing. Create test artifacts, run automated tests, analyze results, report defects, participate in CI/CD, code reviews, and agile ceremonies, and drive issue resolution.

Develop prototypes, PoCs, and MVPs for GenAI solutions. Apply deep learning and ML principles using Python, Hugging Face, LangChain, OpenAI API, TensorFlow/Keras/PyTorch, and cloud model services. Work with multi-modal data and intelligent agent tools. Be self-motivated, collaborative, and focused on solving hard AI/GenAI problems.

The Senior IT Systems Engineer is responsible for designing, implementing, and managing Microsoft 365 and other enterprise IT systems, ensuring secure operations and supporting modernization initiatives.

Provide technical support, troubleshoot hardware/software issues, manage IT Help Desk tickets, and maintain IT infrastructure. Assist with onboarding and offboarding processes.

Lead IT and operational audit engagements, perform SOX/ITGC testing, assess control deficiencies, support remediation and attestations, coordinate with external auditors, and advise IT/Finance on control improvements and emerging risks such as AI governance.

Lead high-volume, full life-cycle IT recruiting for the West region: source and qualify candidates, manage partner relationships, drive strategic resourcing, educate account teams on best practices, and manage offer/background processes to fill roles from entry to director level.

Design, build, test, and maintain iOS applications using Swift (Objective-C a plus). Collaborate with designers, product and backend teams, integrate RESTful APIs, perform unit testing and debugging, participate in code reviews and Agile ceremonies, and support App Store deployment.

The IT Project Manager coordinates internal information system projects from initiation to delivery, overseeing planning, execution, and closure. Responsibilities include managing project scope, budget, team leadership, risk management, and communication with stakeholders.

Serve as the escalation point for Tier 1, resolving complex desktop, macOS, and network issues; provide high-touch support to executives; administer Microsoft 365 (Entra ID, Exchange, Intune, SharePoint/OneDrive, Teams); troubleshoot switches, wireless, and endpoint security; mentor Tier 1 staff; own root-cause diagnosis and ticket resolution; assist with equipment moves and occasional after-hours business-critical support.