Top 19 Senior it support specialist Jobs in Irvine Ca

Senior IT Support Specialist
Fluxergy —Irvine, CA
- $75,000 - $85,000 a year
- Full-time
- 6 years
- Windows
- Mentoring
- Paid holidays
- Health insurance
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Senior IT Technologist, Sales Support
Edwards Lifesciences —Irvine, CA
- $70,000 - $99,000 a year
- Full-time
- 7 years
- Microsoft Outlook
- Computer Science
Senior End User Support Specialist
SCAN Group —Long Beach, CA
- $34.47 - $47.50 an hour
- Full-time
- Remote
- Background check
- 5 years
- Research
- Wellness program
- Paid holidays
Quick Apply
Desktop Support Technician, Senior
OCTA —Orange, CA
- $42.06 - $57.87 an hour
- Full-time
- 5 years
- Bachelor's degree
- In-person
Senior IT Support Engineer (4+ years experience required)
TechHeights —Irvine, CA
- $32 - $36 an hour
- Full-time
- Azure
- Microsoft Outlook
- Mid-level
- Health insurance
- 401(k)
Quick Apply
1d
Customer Support - Senior Support Specialist
LightBox —Irvine, CA
- Weekends as needed
- Computer Science
- 5 years
- SQL
Quick Apply
Senior IT Specialist
Cimarron Software —Seal Beach, CA
- Part-time
- Bachelor's degree
- Senior level
- Leadership
- Health insurance
- Dental insurance
13d
Senior Application Specialist
LEARFIELD —Irvine, CA
- $26.45 - $31.25 an hour
- Full-time
- Mid-level
- University
- 2 years
- Health savings account
- Paid holidays
13d
Sr Information Technology Support Specialist
FOX Factory, Inc. —Santa Fe Springs, CA
- $80,281.14 - $110,386.85 a year
- Full-time
- Research
- Office
- High school diploma or GED
- Disability insurance
- Health insurance
Sr Specialist, IT Applications Operations Systems
MicroVention, Inc. —Aliso Viejo, CA
- $106,712 - $142,282 a year
- Computer Science
- ERP systems
- Research
4h
Fintech Client Support Services Senior Analyst
NASDAQ —Colonia Juarez, CA
- Full-time
- Hybrid work
- Computer science
- Computer Science
- English
Senior Escalation Engineer
Nimbus Data —Irvine, CA
- Windows
- Senior level
- Communication skills
Senior Desktop Technician
Intratek Computer Inc —Orange, CA
- Contract
- 7 years
- Microsoft Excel
- Microsoft Outlook
- Paid holidays
- Health insurance
Sr. Service Desk Help Desk Technician
Intratek Computer Inc —Orange, CA
- Contract
- 5 years
- Mid-level
- High school diploma or GED
- Paid holidays
- Paid time off
Quick Apply
Sr. Digital Services Remote Support Specialist
Trane Technologies —Brea, CA
- $48.00 - $59.73 an hour
- Overtime
- Clean driving record
- Pass drug screening
- High school diploma or GED
- Paid holidays
- Health insurance
Senior Technical Support Engineer - Industrial Networking
Moxa —Brea, CA
- $108,000 - $132,000 a year
- Full-time
- Hybrid work
- Computer science
- Microsoft Excel
- Microsoft Outlook
- Paid parental leave
- Disability insurance
Sr Analyst GT Field Support Analyst
Marriott's Newport Coast Villas —Newport Coast, CA
- $80,000 - $90,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Computer Science
3d

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Senior IT Support Specialist

Fluxergy -
Irvine, CA

Quick Apply

Job Details

Full-time
$75,000 - $85,000 a year

Benefits

Paid holidays
Health insurance
Dental insurance
Vision insurance
Life insurance
Paid sick time

Qualifications

Cloud identity and access management (IAM)
Moving
Microsoft Exchange
Windows
Incident Escalation
Internal employee customer service
Email configuration (technical support)
Desktop (troubleshooting support)
Azure AD
Customer support ticket management
macOS administration
Microsoft Teams
SharePoint
Escalation handling
Video conferencing systems operation
Ticketing system technical support
Identity & access management

Full Job Description

About Us

Fluxergy is a rapidly growing in vitro diagnostics company innovating on the cutting-edge of laboratory testing. We’re developing the first and only multi-modal point-of-care platform that enables molecular, clinical chemistry, immunoassay, and hematology testing on the same system.

Our platform spans many markets including the clinical, veterinary, and food safety industries. We are seeking self-motivated problem solvers who are excited to help decentralize traditional laboratory infrastructure.

At the core of our company’s identity is a strong foundation in engineering. We take great pride in our commitment to critical thinking and pragmatic problem-solving through a modular and systemic perspective. We hold the conviction that transparent communication, coupled with the flexibility to adjust to evolving scenarios and the willingness to venture beyond familiar territories, is crucial to both our success and yours.

Our product: https://vimeo.com/176673475

About the Role

As a Senior IT Support Specialist at Fluxergy, you will serve as the primary escalation point for complex, ambiguous, or business-critical technical issues that Tier 1 support cannot resolve. You bring deep, independent technical judgment to troubleshooting across end-user computing, Microsoft 365 administration, and networking, and you're relied on to own tickets through root-cause resolution, not just triage them. This role is ideal for an experienced IT support professional who thrives on solving the hard problems, supporting executives and critical business functions with confidence, and providing informal technical guidance to less experienced team members. You will work closely with a small, collaborative IT team supporting approximately 100 employees across manufacturing, engineering, and corporate functions.

Team culture:

Positive

Proactive

Accountable

Team oriented

Continuous learner

Great communicator

Build strong working relationships

Contribute to a productive team culture

What You Will Do

Serve as the escalation point for Tier 1 support, triaging and resolving complex, multi-system, or previously unresolved incidents.
Provide direct, high-touch technical support to executives and other VIP users, including business-critical after-hours support when needed.
Own root-cause diagnosis for recurring or difficult hardware, software, and business-system issues across desktops, laptops, mobile devices, printers, conference room technology, and related equipment.
Troubleshoot network infrastructure issues (including switches, wireless connectivity, and related equipment) for problems that couldn't be resolved at Tier 1.
Diagnose and resolve advanced deployment and configuration issues on Windows and macOS devices, including enrollment or policy failures.
Own Microsoft 365 administrative troubleshooting, including:
- Entra ID (Azure AD) user, group, and license management; conditional access and MFA/Security Defaults troubleshooting
- Exchange Online mailbox configuration, permissions, and mail-flow issue resolution
- Microsoft Intune endpoint policy troubleshooting and compliance issue resolution
- SharePoint/OneDrive permissions and access issue resolution
- Microsoft Teams administration and issue resolution
Resolve escalations and exceptions related to employee onboarding/offboarding (e.g., complex license or permission conflicts, failed automated provisioning): routine provisioning is handled by Tier 1.
Provide informal mentorship and technical guidance to Tier 1 support staff, helping build their troubleshooting capability.
May be consulted for technical input on IT projects or rollouts led by other members of the IT team, but is not responsible for project ownership or delivery.
Occasionally assist with moving or installing IT equipment as needed.
Perform other duties as assigned.

Technologies You'll Work With

Microsoft 365, including Entra ID admin center, Exchange admin center, and Microsoft Intune
Windows 10/11
macOS
ManageEngine ServiceDesk (formerly Desktop Central)
EDRs and NDRs such as CrowdStrike, SentinelOne, and Darktrace
Printers and label printing systems
Security badge systems

What You'll Need to Have

6-8 years of experience supporting Windows-based desktop environments, with demonstrated progression into complex/escalated issue resolution.
Hands-on experience administering Microsoft 365 services (Entra ID, Exchange Online, Intune, SharePoint/OneDrive, Teams), not just supporting end users on M365 apps.
Demonstrated ability to work independently and exercise sound judgment on ambiguous or undocumented issues, owning tickets through resolution without close supervision.
Excellent verbal and written communication skills, including experience communicating with and supporting executive-level stakeholders.
Strong customer service mindset and ability to work effectively with employees at all levels of the organization.
Ability to prioritize and manage a mix of escalated tickets and ad hoc requests in a fast-paced environment.
Associate degree in Information Technology or related field, or equivalent work experience.
Occasional ability to move, install, lift, and transport IT equipment as needed.

Preferred Qualifications

Microsoft 365 Certified: Endpoint Administrator Associate, Microsoft 365 Certified: Modern Desktop Administrator, or Security, Compliance, and Identity Fundamentals (SC-900)
Advanced experience with ticketing/incident management systems such as ManageEngine ServiceDesk
Intermediate-to-advanced networking troubleshooting experience
Strong macOS administration and troubleshooting experience
Familiarity with basic scripting or automation (e.g., PowerShell) to streamline recurring fixes

Interview Process

Our interview processes my differ slightly from role-to-role; however, most of our interviews will follow a similar pattern:

Recruiter Interview

Hiring Manager interview

On-site Interview

Decision

We are an early-stage company and may change our interview process from time-to-time, but our hope is everyone who interviews with us has a positive experience, even if an offer isn’t presented.

Benefits

Excellent Medical/Dental Benefits

95% medical benefit premiums paid by Fluxergy and covers employee, partner, and dependents

100% dental and vision premiums paid for employee, partner, and dependents

100% Life Insurance premiums paid for the employee

Work - Life Balance Minded Time Off

15 paid vacation days

2-week paid winter break

7 company paid holidays

5 paid sick days

A Work Culture Which Believes in Promoting from Within

Wear lots of hats / accelerate your career growth!

We are a flat organization by design – lots of visibility!

Many of our current leaders started their career with Fluxergy!

Salary Range: $75,000 - $85,000

Additional Information

Fluxergy is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, marital status, age, disability, national or ethnic origin, military service status, citizenship, or other protected characteristic.

Fluxergy participates in the E-Verify program. Please click here, here, here for more information.

Fluxergy is committed to protecting your personal data. Please review our Privacy Policy.

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Refine Your Search

senior it support specialist jobs in irvine ca

Senior IT Support Specialist

Senior IT Technologist, Sales Support

Senior End User Support Specialist

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Senior IT Support Engineer (4+ years experience required)

Customer Support - Senior Support Specialist

Senior IT Specialist

Senior Application Specialist

Sr Information Technology Support Specialist

Sr Specialist, IT Applications Operations Systems

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Senior Escalation Engineer

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Sr. Service Desk Help Desk Technician

Sr. Digital Services Remote Support Specialist

Senior Technical Support Engineer - Industrial Networking

Sr Analyst GT Field Support Analyst

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