Top 146 System administrator Jobs in Diamond Bar, Ca

IT Services Administrator
T&T Supermarket —Brea, CA
- $71,000 - $80,000 a year
- Full-time
- Computer Science
- Construction site
- 5 years
- Health insurance
- Dental insurance
Quick Apply
IT Systems Administrator
CTC Global Corporation —Irvine, CA
- $96,523 - $118,539 a year
- Full-time
- Computer science
- 7 years
- Azure
- Health insurance
- Dental insurance
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6d
Systems Administrator
TEKsystems —Rancho Cucamonga, CA
- $60 - $65 an hour
- Temporary
- 5 years
- Office
- Windows
- Commuter assistance
- Health savings account
5d
IT System Administrator
Lexi Global —Upland, CA
- $84,000 - $96,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
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Systems Administrator
Andes Digital Infrastructure Group —Ontario, CA
- $70,000 - $100,000 a year
- Full-time
- Hybrid work
- Mid-level
- 3 years
- AWS
- Paid time off
- Professional development assistance
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14d
IT Systems Administrator
OLIPOP —Los Angeles, CA
- $110,000 - $120,000 a year
- Remote
- 5 years
- Continuous improvement
- SharePoint
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IT Systems Administrator
SAIC —Anaheim, CA
- $80,001 - $120,000 a year
- Full-time
- Hybrid work
- Computer Science
- ERP systems
- Pass drug screening
ERP Administrator
Pac-Dent Inc. —Brea, CA
- $75,000 - $100,000 a year
- Full-time
- Azure
- 5 years
- English
- Health insurance
- 401(k)
Quick Apply
12d
Senior System Administrator
Penhall Company —Anaheim, CA
- Full-time
- 5 years
- Office
- Bachelor's degree
8d
IT Help Desk - Support Specialist
Arakelian Enterprises Inc —Irwindale, CA
- $26.00 - $41.70 an hour
- Full-time
- Hybrid work
- Customer service
- Mid-level
- Office
- Health insurance
- Dental insurance
Quick Apply
Vendor Contracts Administrator - IT VMO
Inland Empire Health Plan —Rancho Cucamonga, CA
- $91,249.60 - $120,910.40 a year
- Full-time
- Hybrid work
- Computer Science
- HIPAA
- Mid-level
- Disability insurance
- Health insurance
Systems & Network Administration
Quinn Company —City of Industry, CA
- $105,000 - $115,000 a year
- Full-time
- System design
- Mid-level
- Office
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Systems Administrator Tier 2.5 (MSP), AI-Enabled Service Delivery
ModernIT —La Verne, CA
- $80,000 - $90,000 a year
- Full-time
- Hybrid work
- Mid-level
- Analysis skills
- Driver's License
- Commuter assistance
- Health savings account
Quick Apply
IT Systems Administrator
cFive Solutions, Inc —Anaheim, CA
- Full-time
- Computer science
- Azure
- Computer Science
- AD&D insurance
- Health insurance
Quick Apply
Network Administrator
Solid State Devices, Inc —La Mirada, CA
- $63,000 - $98,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- AD&D insurance
- Paid holidays
Quick Apply
IT Support Specialist (Contract Role)
Sony Interactive Entertainment —Los Angeles, CA
- $45.48 - $68.22 an hour
- Contract
- Inventory management
- Research
- Mid-level
- Health insurance
- Dental insurance
IT Support Specialist (Contract Role)
PlayStation Global —Los Angeles, CA
- $45.48 - $68.22 an hour
- Contract
- Inventory management
- Research
- Mid-level
Quick Apply
IT Support Specialist
WINONICS —Brea, CA
- $23 - $25 an hour
- Full-time
- Computer Science
- ERP systems
- Mid-level
Quick Apply
7d
Systems Administrator - Riverside
Carvana —Riverside, CA
- $70,000 - $75,000 a year
- Full-time
- Background check
- Microsoft Outlook
- English
- Wellness program
- Health insurance
IT Support Specialist
Polymer Concepts Technologies, Inc —Anaheim, CA
- $33.65 - $42.31 an hour
- Full-time
- Computer science
- Computer Science
- 5 years
- Paid holidays
- Health insurance
Quick Apply

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IT Services Administrator

T&T Supermarket -
Brea, CA

Quick Apply

Job Details

Full-time
$71,000 - $80,000 a year

Benefits

Health insurance
Dental insurance
Paid time off
Vision insurance
401(k) matching
Life insurance

Qualifications

Project team coordination
Data center experience
Collaboration
Tooling
Technical documentation
AI tools proficiency
Business analysis
Enterprise software support
Continuous improvement
Business Administration
Cross-functional collaboration
Automation tools
Cross-functional communication
IT department experience

Full Job Description

Company Introduction:

T&T Supermarkets is marking over 30 years as Canada’s favorite Asian grocery store and recently announced multiple new store locations in the United States. Our growth into the US offers great opportunities within our first US flagship store, opened in 2024 in Bellevue, Washington in the Marketplace at Factoria, spanning 76,000 sq.ft. and standing as the largest Asian specialty supermarket in Washington state.

We have established our regional office in the greater Los Angeles area to grow T&T Supermarket’s vendor base with American food suppliers.

The role

Reporting to the Senior IT Manager – Business Services, the IT Services Administrator is responsible for the administration, maintenance, and continuous improvement of the Company's IT infrastructure, systems, and enterprise applications. This role provides technical leadership in system administration, supports the design and implementation of technology solutions, and ensures the reliability, security, and performance of business-critical systems.

The IT Services Administrator evaluates business and technical requirements, recommends scalable solutions, and collaborates with internal stakeholders and vendors to support operational and strategic initiatives. This position also conducts technical research and drives continuous improvement efforts to enhance system efficiency, security, and overall IT service delivery.

ESSENTIAL JOB DUTIES & RESPONSIBILITIES

The following duties are representative of the work performed. Additional duties may be assigned as necessary to support business operations.

Lead the implementation, administration, and continuous improvement of enterprise systems, applications, servers, and IT infrastructure to ensure reliability, security, and operational efficiency.
Develop and maintain system administration standards, procedures, configurations, and documentation in accordance with business and operational requirements.
Provide technical leadership, guidance, and training to IT support staff and serve as an escalation point for complex infrastructure and system-related issues.
Monitor and maintain the performance, availability, and integrity of servers, networks, applications, storage systems, and other critical technology resources.
Manage system security, access controls, vulnerability monitoring, patch management, and compliance with company security standards and best practices.
Oversee backup, recovery, and disaster recovery processes to ensure the protection and recoverability of business-critical data and systems.
Plan, coordinate, and perform system maintenance activities, including software updates, operating system upgrades, hardware deployments, and implementation of new technology solutions.
Administer user accounts, permissions, and system access while ensuring adherence to company policies and security requirements.
Collaborate with internal stakeholders and external vendors to support IT projects, technology initiatives, and continuous improvement efforts.
Maintain data center infrastructure and environmental monitoring systems to support stable and secure operations.
Perform other duties and responsibilities as assigned.

REQUIRED QUALIFICATIONS

Bachelor's degree in Computer Science, Information Technology, Engineering, Business Administration, or a related field; equivalent combination of education and experience may be considered.
Minimum 5 years of experience in systems administration, IT infrastructure, network administration, database administration, software support, or related information technology functions.
Experience supporting enterprise business applications and ERP systems; experience with SAP environments, including SAP S/4HANA, is preferred.
Familiarity with AI-enabled productivity and automation tools such as Microsoft Copilot, ChatGPT, SAP Joule, or similar technologies.
Professional certifications such as Microsoft Certified Systems Engineer (MCSE), ITIL, PMP, Azure, AWS, or other relevant technology certifications are preferred.
Strong knowledge of system administration, IT operations, security practices, infrastructure management, and technical troubleshooting.
Demonstrated ability to manage multiple priorities, analyze complex issues, and develop effective technical solutions.
Strong project coordination, communication, documentation, and organizational skills.
Ability to collaborate effectively with cross-functional teams while providing excellent customer service and technical support.
Self-motivated, adaptable, and able to exercise sound judgment and independent decision-making in a fast-paced environment.

PHYSICAL REQUIREMENTS

The physical demands described below are representative of those that must be met to successfully perform the essential functions of this position. Reasonable accommodations will be provided in accordance with applicable federal, state, and local laws.

· Ability to travel frequently and visit construction sites and operating stores.

· Ability to stand, walk, climb ladders, and inspect equipment installations.

· Ability to lift and carry up to 25 lbs occasionally.

· Ability to occasionally lift or move items weighing up to 50 pounds, with or without reasonable accommodation.

· Ability to work in a combination of office and construction site environments, including exposure to varying temperatures, dust, noise, and other conditions typical of construction sites and retail store locations.

· Ability to climb stairs and access different areas of construction or retail project sites as needed.

Job Type: Full-time

Pay: $71,000.00 - $80,000.00 per year

Benefits:

401(k) matching
Dental insurance
Health insurance
Life insurance
Paid time off
Vision insurance

Experience:

Business analysis: 5 years (Required)

Language:

Chinese (Preferred)

Work Location: In person

Quick Apply

Refine Your Search

system administrator jobs in diamond bar, ca

IT Services Administrator

IT Systems Administrator

Systems Administrator

IT System Administrator

Systems Administrator

IT Systems Administrator

IT Systems Administrator

ERP Administrator

Senior System Administrator

IT Help Desk - Support Specialist

Vendor Contracts Administrator - IT VMO

Systems & Network Administration

Systems Administrator Tier 2.5 (MSP), AI-Enabled Service Delivery

IT Systems Administrator

Network Administrator

IT Support Specialist (Contract Role)

IT Support Specialist (Contract Role)

IT Support Specialist

Systems Administrator - Riverside

IT Support Specialist

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