8,213 Results for

Senior IT Jobs in Cupertino, CA

Jobs

Audit Manager Visa

Foster City, CA

$129,200–$206,700 / year

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Serve as a key contact with client management, explaining the audit process and scope, keeping management apprised of audit progress and issues, and effectively delivering audit results to all levels of management.

30+ days ago

Senior IT Systems Administrator I Harness Inc

Mountain View, CA

$80,000–$110,000 / year

Over the past year, Harness powered over 185M deployments, 82M builds, 18T flag evaluations, 8M security scans, 9.1B optimized tests, 3T protected API calls, and helped manage $2.8B in cloud spend - enabling customers like United Airlines, Morningstar, and Choice Hotels to accelerate releases by up to 75%, reduce cloud costs by up to 60%, and achieve 10x DevOps efficiency. Powered by Harness AI and the Software Delivery Knowledge Graph, the Harness Platform applies deep context and intelligent automation across the software delivery lifecycle with governance and policy-driven controls embedded throughout the platform.

30+ days ago

Senior IT Manager Antora Energy

San Jose, CA

$175,000–$210,000 / year

This person will combine strategic leadership with hands-on execution - leading IT planning and governance while directly improving systems, security, and operational reliability across corporate, factory, and project-site environments. Strong knowledge of network architecture and security, identity and access management (SSO, authentication systems), endpoint security and device management, and infrastructure monitoring and vulnerability management.

30+ days ago

Senior IT Systems Engineer Lyte

Sunnyvale, California

Support endpoint management and security across macOS, Windows, and Linux, including MDM via Microsoft Intune and Jamf, device encryption, patching, EDR, vulnerability management, and local administrator controls. Key areas of ownership include information security, cloud and infrastructure management, IT operations, networking and firewalls, identity and endpoint management, and infrastructure cost optimization.

30+ days ago

Senior IT Operations Manager - Pleasanton, CA Calyxo Inc

Pleasanton, CA

$180,000–$195,000 / year

You will own our enterprise network and endpoint infrastructure - including switching, firewall, and wireless environments - and will be the operational lead for our core security tooling stack (endpoint detection and response, security awareness training, and endpoint/cloud security). Hands-on, specific experience configuring, administering, and troubleshooting enterprise-grade switching, firewall, and wireless network equipment (e.g., Cisco, Cisco Meraki, Palo Alto Networks, Fortinet, Juniper, Aruba, or similar) is required.

30+ days ago

Sr. IT/Security Engineer I.T. Solutions, Inc.

Palo Alto, CA

$50 / hour
Quick Apply

Reporting to the Associate Director, IT, you will take prioritized initiatives from the business and IT & Security roadmap(s) and deliver them end-to-end: planning, coordinating stakeholders and vendors, implementing, validating, documenting, and handing off to steady-state operations. Run multiple concurrent IT and security projects end-to-end: define scope and success criteria with the Associate Director, build the plan, track dependencies and risks, and drive to completion on schedule.

1 day ago

Senior IT Desktop Support Technician BillionToOne

Menlo Park, CA

$85,327–$106,659 / year

Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all.

1 day ago

Senior IT Systems Administrator I Harness Inc.

Mountain View, CA

$115,000–$130,000 / year

30+ days ago

Senior IT Support Mytra

Brisbane

Our team is currently focused on formalizing IT support and governance across a growing company and application landscape, and we need a proactive, service-minded specialist to help us deliver a fast, reliable end-user experience while becoming the company's trusted knowledge expert across our core business applications. Have proven experience with macOS and Windows endpoint support, SaaS administration, and identity/MDM platforms (Rippling, Jamf, Intune, or Kandji), with 5+ years in IT support and at least 2 in a senior, lead, or escalation-point role.

30+ days ago

Sr. IT Administrator Illumio

Sunnyvale, CA

Configure and maintain Microsoft Defender for Office 365 email protection and security policies, including anti-phishing, anti-spam, malware protection, Safe Links, Safe Attachments, and related threat protection capabilities. This role requires extensive hands-on experience managing Windows and macOS environments and will serve as a subject matter expert for endpoint management, Microsoft administration, identity and access management, IT automation, and enterprise applications.

22 days ago

Senior IT Infrastructure Specialist, Networking and Systems Mytra

Brisbane

Our team is currently focused on building resilient, secure, and scalable networking, systems, and physical security infrastructure to support a fast-growing office, lab, and manufacturing environment, and we need a hands-on, technically deep specialist to help us design, harden, and operate the backbone that everything else at Mytra runs on. Have proven experience designing and operating enterprise networks (switching, routing, VLANs, firewalls, wireless, and VPN), with 7+ years in IT infrastructure and at least 3 in a senior or lead capacity.

21 days ago

Senior IT Applications Analyst Ross Stores Inc

Dublin, CA

$99,900–$185,300 / year

Bring your talents to Ross, our leading off-price retail chain with over 2,200 stores, and a strong track record of success and growth. Our focus has always been bringing our customers a constant stream of high-quality brands and on-trend merchandise at extraordinary savings.

30+ days ago

Senior IT Systems & Network Engineer Lyte

Sunnyvale, California

You will reduce avoidable cost and manual work by improving visibility into cloud, SaaS, licensing, compute, and storage spend and by automating high-value IT and security workflows using Bash, PowerShell, Python, or similar tools. Experience with AWS, Azure, or GCP; SOC 2 or ISO 27001; SIEM and logging platforms; GitLab or CI/CD environments; AI-tool governance; GPU or AI/ML infrastructure; EDA or EPDA environments; and technology-vendor or licensing negotiations.

30+ days ago

Senior IT Systems Administrator Interviewstreet Inc

Santa Clara, CA

$135,000–$148,000 / year

The Global IT team delivers secure, reliable and user-friendly workplace technology for employees across regions, managing employee support, endpoints, identity and access, business applications, IT assets and workplace technology while partnering with Security, People, Finance and external service providers. As a Senior IT Systems Administrator, you will provide hands-on IT support for the Bay Area office and support employees across the AMER and EMEA regions - administering the macOS endpoint environment, identity and access platform, and core SaaS applications.

30+ days ago

Senior IT Manager Akuna Capital for MIT students

San Jose, CA

$175,000–$210,000 / year

This person will combine strategic leadership with hands-on execution — leading IT planning and governance while directly improving systems, security, and operational reliability across corporate, factory, and project-site environments. Strong knowledge of network architecture and security, identity and access management (SSO, authentication systems), endpoint security and device management, and infrastructure monitoring and vulnerability management.

1 day ago

Senior IT Manager Antora Energy Inc

San Jose, CA

$175,000–$210,000 / year

30+ days ago

Senior IT Internal Auditor Nvidia

Santa Clara, CA

What you'll be doing: Conduct audits of IT systems and processes including internal technology infrastructure and customer-facing platforms to ensure they support business operations effectively and manage risks appropriately. Evaluate emerging technology governance including AI/ML systems, data analytics platforms, and innovative computing solutions that drive NVIDIA's competitive advantage.

30+ days ago

Senior IT Platform Engineer MrBeast

San Mateo, California

$115,000–$172,500 / year

Design and operate automated joiner, mover, and leaver flows for new hires, department changes, contractors, rehires, offboarding, and MFA enrollment, driven by HRIS events across multiple payroll and HR platforms. With a mission to entertain, inspire, and create significant social impact, Beast Industries operates across various domains including digital media, philanthropy, consumer products, and innovative business initiatives.

17 days ago

Senior IT Systems & Support Engineer Halcyon Financial Technology

Palo Alto, California

$100,000–$130,000 / year

Security & Compliance : CrowdStrike Falcon, CrowdStrike Guardian, Microsoft Defender for Cloud Apps, Mimecast, Microsoft Purview, Automation & AI : Microsoft Copilot, OpenAI ChatGPT, Anthropic Claude, Google Gemini, PowerShell, Python, Microsoft Graph, Power Automate, REST APIs. Cloud Networking Support the network behind a distributed, cloud-first workforce: DNS, DHCP, VPN, Wi-Fi, firewalls, and secure remote access.

11 days ago

Senior IT Specialist, Executive Technology MongoDB

Palo Alto, CA

$100,000–$180,000 / year

Maintain deep knowledge of executive rooms (Zoom Rooms, Teams rooms, QSYS / DSPs, control systems, cameras, microphones); partner with AV Engineering for backstage live support and to remediate recurring room issues. The way of working behind this role is built on a simple framework: routine diagnostics, health checks, and reporting are handled through automation and intelligent tooling wherever possible, freeing your time for the judgment calls, relationship-building, and in-person moments that actually require a human.

20 days ago

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Senior IT Jobs in Cupertino, CA

Audit Manager Visa

Senior IT Systems Administrator I Harness Inc

Senior IT Manager Antora Energy

Senior IT Systems Engineer Lyte

Senior IT Operations Manager - Pleasanton, CA Calyxo Inc

Sr. IT/Security Engineer I.T. Solutions, Inc.

Senior IT Desktop Support Technician BillionToOne

Senior IT Systems Administrator I Harness Inc.

Senior IT Support Mytra

Sr. IT Administrator Illumio

Senior IT Infrastructure Specialist, Networking and Systems Mytra

Senior IT Applications Analyst Ross Stores Inc

Senior IT Systems & Network Engineer Lyte

Senior IT Systems Administrator Interviewstreet Inc

Senior IT Manager Akuna Capital for MIT students

Senior IT Manager Antora Energy Inc

Senior IT Internal Auditor Nvidia

Senior IT Platform Engineer MrBeast

Senior IT Systems & Support Engineer Halcyon Financial Technology

Senior IT Specialist, Executive Technology MongoDB

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