System administration jobs in Phoenix, AZ

IT System Management Analyst (Linux system administration)

Remote

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Today

Project description Join the Core Service Operations Server Support team responsible for 24x7x365 production and non-production support of a large-scale Unix/Linux environment with 25,000+ virtual and physical servers. The environment includes RHEL, AIX, CentOS, and Solaris platforms and requires strong operational support, security/compliance awareness, and incident resolution capabilities. Shift: Wednesday-Saturday, 4:30 PM-3:00 AM CST, 10 hours/day, 4 days/week. Responsibilities Provide pro

Full-time

Senior Linux / SRE Infrastructure Engineer

Hybrid in Chandler, Arizona

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9d ago

Job Description: Platform Engineering & Operations Lead the administration, monitoring, and performance tuning of Oracle Enterprise Linux (OEL) environments in a large-scale enterprise ecosystem. Oversee the design, build, and lifecycle management of Linux servers, including storage, virtualization, and associated infrastructure. Manage high availability (HA) configurations, clustering, and load-balanced environments to ensure minimal downtime. Drive capacity planning, performance optimizati

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Contract

60 - 65

Help Desk Technician

Phoenix, Arizona

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Today

A growing organization in Phoenix, AZ is looking for a Help Desk Support Technician to join its internal IT team. This is a full-time, direct-hire, fully onsite opportunity supporting employees across multiple business locations. This person will provide Tier 1 technical support in a Microsoft environment, working with Microsoft 365, Active Directory, Windows 10/11, desktop hardware, peripherals, and proprietary business applications. The company is in the middle of a major technology transforma

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Full-time

USD 55,000.00 - 70,000.00 per year

Intern (NPI Engineering)

Phoenix, Arizona

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Today

Join UCT and be part of the fastest-growing sector in the world! We indirectly touch every semiconductor chip that goes into every smartphone, smart car, and device that uses artificial intelligence. This is a critical time for the semiconductor industry and for UCT - as technology evolves, we evolve with it. UCT is a diverse workplace where every talented employee is committed to continuous innovation, challenging the status quo and exceeding customer expectations. If you are a person with a re

Full-time

Internet of Things Engineer II

Phoenix, Arizona

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Today

Why You Should Apply for This Job At Freeport-McMoRan, we are committed to providing employment that recognizes excellence and encourages safe production, with a culture supported by our core values. Here, you'll find a collaborative environment where safety is a top priority. Apply Today! Where You Will Work Our global headquarters is in Phoenix, Arizona. Several hundred employees support our operations in finance, human resources, health and safety, information technology, planning and more. T

Full-time

USD 85,700.00 - 120,000.00 per year

Linux Systems Engineer / RHEL / Hybrid in Scottsdale

Scottsdale, Arizona

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Today

A growing financial technology organization in Scottsdale, AZ is seeking a Linux Systems Engineer II to support and maintain critical infrastructure across both on-premises and cloud environments. This role focuses heavily on Red Hat Linux administration, AWS cloud services, infrastructure automation, and enterprise systems support. You'll work with a team responsible for maintaining the performance, security, and availability of large-scale hosting environments that support both internal operat

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Contract

$40 - $51

SYSTEMS ADMINISTRATOR SENIOR

Phoenix, Arizona

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Today

SYSTEMS ADMINISTRATOR SENIOR Job No: 542926 Work Type: Full-time Location: PHOENIX Categories: Information Technology/Services, Misc/Other/Not Applicable DEPT OF HEALTH SERVICES The Arizona Department of Health Services promotes and protects the health of Arizona's children and adults. Our mission is to promote, protect, and improve the health and wellness of individuals and communities in Arizona. We strive to set the standard for personal and community health through direct care, science

Full-time

USD 79,200.00 per year

SCADA Windows Systems Administrator II

Phoenix, Arizona

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Today

Overview Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development. Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success. Responsibilities An Average Day:As the SCADA Windows System Administrator II you will focus on the administration, maintenance, and support of Windows 10 & 11, and Windows Server

Full-time

USD 75,000.00 per year

Desktop Support Specialist 3

Mesa, Arizona

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Today

The Company Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And we're just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insig

Full-time

USD 28.79 - 43.22 per hour

Business Systems Administrator

Phoenix, Arizona

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Today

Overview: The Business Systems Administrator is a core part of a growing performance and tooling team, serving as the subject matter expert on the operation and configuration of our UKG Pro Workforce Management (Dimensions) system. This hands-on contributor maintains internal IT workflows, manages software configurations, and collaborates cross-functionally to meet evolving business needs. Beyond core system administration, this role offers the opportunity to grow technically by designing low-co

Full-time

USD 65,000.00 - 81,000.00 per year

Professional Services - Advisor I

Phoenix, Arizona

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4d ago

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

Full-time

HRIS Workday Team Lead

Hybrid in Phoenix, Arizona

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27d ago

Software Resources has an immediate, direct hire job opportunity for an HRIS Workday Team Lead. Can be located in Phoenix, AZ, Irving, TX, Columbus, OH or Chicago, IL. 4 days per week on-site, Fridays remote. This is a highly hands-on Workday role. We are looking for individuals who can demonstrate deep functional and technical expertise and are comfortable discussing the nitty-gritty details of Workday. Solve complex Workday configuration and business process challenges.Demonstrate broad knowle

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Full-time

Depends on Experience

Senior Systems Engineer

Tempe, Arizona

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Today

The Senior Systems Engineer is a senior-level role responsible for the architecture, lifecycle, engineering, and operational support of enterprise physical security systems, including CCTV (video surveillance) and access control/badging platforms. This role serves as the technical owner and subject matter expert for physical security systems, driving system strategy, integrations, standards, and lifecycle management. The Senior Systems Engineer partners closely with Facilities, HR, Security, and

Full-time

Linux Systems Engineer II / Scottsdale

Scottsdale, Arizona

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Today

Senior Systems Engineer - Linux/Cloud Infrastructure Location: Hybrid - San Francisco Bay Area or Scottsdale, AZ About the Role Our client, a well-established leader in the financial technology and payments space, is looking for a Senior Systems Engineer to support and maintain their hosting infrastructure and operating systems across on-prem and cloud environments. This is a great opportunity to work on mission-critical systems supporting a large-scale, nationally recognized payments platform

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Contract

$35 - $50

Systems Operations Engineer 3

Chandler, Arizona

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Today

Outstanding long-term contract opportunity! A well-known Financial Services Company is looking for a Systems Operations Engineer in Chandler, AZ and Charlotte, NC (Hybrid). Work with the brightest minds at one of the largest financial institutions in the world. This is a long-term contract opportunity that includes a competitive benefit package! Our client has been around for over 150 years and is continuously innovating in today's digital age. If you want to work for a company that is not only

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Contract

$43.3 - $48.79

Reliability Engineer, Control Systems, NA

Phoenix, Arizona

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Today

About Vantage Data Centers Vantage Data Centers powers, cools, protects and connects the technology of the world's well-known hyperscalers, cloud providers and large enterprises. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. About Vantage Data Centers Vantage Data Cent

Full-time

USD 135,000.00 - 145,000.00 per year

IT Infrastructure Manager

Phoenix, Arizona

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Today

Posting Date 08/14/26 Application Deadline 08/25/26 Pay Range Budgeted Salary Range: $104,000 - $127,000 Annually Full Range: $104,000 - $150,000 Annually Anticipated Hiring Range: $104,000 - $127,000 annually Full Pay Range: $104,000 - $150,000 annually Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. This position is not eligible for overtime compensation. Job Type Unclassified Department Recorde

Full-time

USD 104,000.00 - 127,000.00 per year

Systems Operations Engineer

Chandler, Arizona

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Today

Location: Chandler, AZ Salary: $43.00 USD Hourly - $46.00 USD Hourly Description: Systems Operations Engineer (Cyber Security Platform Support) Location: Chandler, AZ (Hybrid) Work Schedule: Hybrid (Minimum 3 days onsite per week) Duration: 24-Month Contract (Approx. September 2026 - August 2028) Shift: 24x7 Production Support Environment with On-Call Rotation About the Role We are seeking a Systems Operations Engineer to support Cyber Security Platform Services within a large enterprise tec

Contract

USD 43.00 - 46.00 per hour

Engineer IV, Account Technologist

Phoenix, Arizona

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Today

Full-time

AS400 /IBM i Infrastructure Analyst

Phoenix, Arizona

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Today

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role As the AS400 (IBM i) Infrastructure Analyst you will be responsible for the administration, stability, performance, and security of the IBM i (

Full-time

USD 63,840.00 - 121,440.00 per year

System administration jobs in Phoenix, AZ, USA