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It Application Support Jobs in California (NOW HIRING)

Horizontal Talent

IT Application Engineer

Foster City, CA · On-site

$49 - $85/hr

IT Application Engineer Join our innovative team as an IT Application Engineer and become a vital ... In this dynamic role, you will collaborate with multidisciplinary teams to support and optimize ...

Revel Staffing

IT Support Supervisor

Sacramento, CA · Remote

$85K - $115K/hr

We are seeking an experienced IT Support Supervisor to lead a remote team responsible for IT training, healthcare application support, system readiness, and end-user success. This is a hands-on ...

Revel Staffing

IT Support Supervisor

San Diego, CA · Remote

$85K - $115K/hr

We are seeking an experienced IT Support Supervisor to lead a remote team responsible for IT training, healthcare application support, system readiness, and end-user success. This is a hands-on ...

COMAV LLC

IT Support Analyst

Victorville, CA

$28 - $35/hr

JOB SUMMARY The IT Analyst supports the Company's technology infrastructure, business applications ... MRO & Business Application Support * Support ERP, MRO, maintenance, inventory, materials, quality ...

Red Cup IT, Inc.

IT Support Engineer

Los Angeles, CA · On-site +1

We are looking for an IT Support Engineer who is responsible for providing technical assistance to ... Software & Application Support * Install and update applications and productivity tools like ...

Red Cup IT Inc

IT Support Engineer

Los Angeles, CA · On-site +1

We are looking for an IT Support Engineer who is responsible for providing technical assistance to ... Software & Application Support * Install and update applications and productivity tools like ...

Infojini Inc

Application Support

El Segundo, CA · On-site

Infojini Inc is a company in the Information Technology and Services industry, and they are seeking an Application Support professional. The role involves delivering end-user support, troubleshooting ...

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All JobsIt Application Support JobsIt Application Support Jobs in California

It Application Support information

See California salary details

$31.1K

$178.7K

$213.7K

How much do it application support jobs pay per year?

As of Sep 12, 2026, the average yearly pay for it application support in California is $178,685.00, according to ZipRecruiter salary data. Most workers in this role earn between $158,700.00 and $212,700.00 per year, depending on experience, location, and employer.

What is an IT application support specialist?

IT Application Support specialists are professionals who provide technical assistance and support for software applications used by businesses and organizations. They help users troubleshoot issues, resolve errors, and ensure that applications run smoothly. Their responsibilities often include installing and updating software, responding to user queries, and liaising with software vendors for advanced problem-solving. They play a crucial role in minimizing downtime and maintaining productivity within an organization.

What are the key skills and qualifications needed to thrive as an IT application support specialist?

To thrive as an IT Application Support Specialist, you need a strong understanding of application troubleshooting, software deployment, and basic programming or scripting, often backed by a degree in IT or a related field. Familiarity with ticketing systems (like ServiceNow), remote desktop tools, databases, and relevant certifications such as ITIL or CompTIA A+ is important. Excellent problem-solving skills, patience, and effective communication help in resolving user issues and collaborating with technical teams. These skills and qualities ensure timely resolution of technical problems, minimize downtime, and enhance user satisfaction.

What are the typical challenges faced by IT application support professionals when troubleshooting user issues?

IT Application Support professionals often encounter challenges such as diagnosing complex, multi-layered issues that involve both software and hardware components. They must balance providing timely resolutions with maintaining clear communication to users who may have varying levels of technical knowledge. Coordinating with development teams to escalate unresolved problems and keeping accurate documentation are also essential parts of the role. Staying up-to-date with system updates and understanding business workflows are key to providing effective support.

What is the difference between It Application Support vs Network Support Specialist?

AspectIt Application SupportNetwork Support Specialist
CertificationsITIL, CompTIA A+, Microsoft CertifiedCisco CCNA, CompTIA Network+
Work EnvironmentOffice, Help Desk, RemoteData Centers, Network Operations Centers
Job FocusApplication troubleshooting, software supportNetwork infrastructure, connectivity issues

It Application Support professionals primarily focus on troubleshooting and maintaining software applications used within organizations, often working with end-users and software vendors. In contrast, Network Support Specialists concentrate on maintaining network infrastructure, ensuring connectivity, and resolving network-related problems. While both roles require technical certifications and involve IT environments, their core responsibilities and daily tasks differ significantly.

What cities in California are hiring for It Application Support jobs?

Cities in California with the most It Application Support job openings:

Infographic showing various It Application Support job openings in California as of August 2026, with employment types broken down into 1% As Needed, 70% Full Time, 23% Part Time, and 6% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $178,685 per year, or $85.9 per hour.

IT Application Support Specialist

Arcadia, CA • On-site

Master System, Inc.
Software Development • 11 - 50 employees
Learn more about Master System, Inc.external

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 13 days ago

Job description

We are seeking an IT Application Support Specialist to join our team! You will resolve computer-related issues and installation for our clients using our ERP system, OMS. OMS is available on both the cloud and on-premise, and your role is to help maintain and resolve customer issues that arise on both the on-premise and cloud version.

This role involves troubleshooting and installation of our software system on a customer's hardware and server configuration. As new and existing clients purchase and subscribe to our services, your role will be to ensure that customers have the proper configuration and setup needed to go live.

We are a small, close-knit company, and work in a fast paced environment. You will be expected to work cross functionally in other operations of our company, such as sales and software engineering.

Responsibilities:

  • Installation of the on-premise version of OMS ERP, including initial installation, updates, and configuration that is needed to get customers live
  • Assist customers in converting existing data from their previous software to OMS
  • Configure our cloud ERP including user onboarding, creation, and maintenance
  • Maintain and troubleshoot cloud ERP issues
  • Answer phone calls from our main support line and resolve customer issues during business hours
  • Resolve issues for clients via phone, in person, or electronically
  • Track customer issues and resolutions
  • Occasional local travel to customer onsite for installation and configuration (suspended during COVID-19)

Qualifications:

  • Experience in Microsoft SQL Server setup and maintenance
  • Experience in Networking (e.g. DNS, ports), Windows Domain and Workgroup setup
  • Previous experience in IT, customer service, or other related fields
  • (nice to have) Fluency in SQL and Microsoft's Remote Desktop Service
  • (nice to have) Amazon Web Services (AWS) experience
  • (nice to have) Knowledge of warehousing, supply chain, e-commerce, and accounting principles

Company Description

Master System is a leading enterprise resource planning (ERP) software company that has helped thousands of wholesale distributors worldwide streamline and improve their operations. Our ERP system, known as OMS, is targeted towards supply chain operations, which includes inventory, warehousing, fulfillment, ordering, and accounting management. Our latest product, Pavo, brings OMS's features to the cloud and enables e-commerce solutions for wholesalers. We service a wide range of clients in industries such as shoes, apparel, and general merchandise, each with company sizes from as small as a singular employee to thousands of employees.