System Administrator I jobs in San Diego – Browse 175 openings on RoboApply Jobs

System Administrator I jobs in San Diego

Open roles matching “System Administrator I” with location signals for San Diego. 175 active listings on RoboApply Jobs.

175 jobs found

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companySaalex Solutions, Inc. logo
System Administrator I

Saalex Solutions, Inc.

Full-time|On-site|San Diego, California, United States

About the Role Saalex Solutions, Inc. is hiring a System Administrator I in San Diego, California. This entry-level position focuses on supporting and maintaining computer systems and networks. The role plays a key part in keeping systems secure and performing well. Main Responsibilities Maintain and manage computer systems and network infrastructure Monitor system performance and troubleshoot issues Help ensure system security and reliability

Apr 20, 2026
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companyCrowdstaffing logo
Contract|On-site|San Diego

We are seeking a highly skilled Systems and Storage Administrator with a passion for optimizing IT infrastructures. The ideal candidate will hold a B.S. in Computer Science, Information Systems, IT, or possess equivalent education and experience. You should have a minimum of four years in IT systems administration and support, with robust experience in Linux/UNIX environments and data storage management.Your responsibilities will include the administration, configuration, optimization, and monitoring of various Linux distributions, particularly focusing on CentOS. You will also manage high-performance data storage solutions (NAS/SAN/Clustered) such as Isilon, HP, and EMC.The role demands extensive competence in the installation and configuration of UNIX/Linux operating systems and applications. This includes tasks such as cross-platform file system mounting and security (Linux to Windows and vice versa), application installations, and access administration. A strong grasp of diverse Linux and data storage technologies including SAN, NAS, DAS, Clustered, iSCSI, and Fiber Channel is essential.Additionally, you should possess experience with server hardware and software technologies including file systems, FTP, storage/RAID systems, and enterprise-level backup and archiving solutions. You should demonstrate a deep understanding of server and storage hardware specifications. Familiarity with Microsoft applications and platforms (e.g., Active Directory, Windows Server 2000/2003) is a plus.The role requires a quick learner with exceptional technical research, troubleshooting, and analytical skills, particularly in devising and implementing innovative solutions. Strong written and verbal communication skills are crucial for effectively conveying complex IT concepts to non-technical users. You should be capable of working independently while proactively suggesting IT infrastructure enhancements.We value team players who are eager to acquire new skills, multitask, and engage in projects beyond their immediate expertise.Languages:English: Read, Write, Speak

Aug 18, 2017
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companyUSTech Solutions logo
System Administrator

USTech Solutions

Contract|On-site|San Diego

Join USTech Solutions as a dedicated System Administrator where you will play a crucial role in maintaining and optimizing our IT infrastructure. This position requires a proactive individual who is capable of managing system performance, ensuring optimal system availability, and providing support to our team. You will work with cutting-edge technologies and be part of a dynamic organization that values innovation and excellence.

Sep 16, 2015
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companySaalex Solutions, Inc. logo
System Administrator II

Saalex Solutions, Inc.

Full-time|On-site|San Diego, California, United States

About the Role Saalex Solutions, Inc. is seeking a System Administrator II for its IT team in San Diego, California. This position focuses on supporting and maintaining computing systems to keep them secure, reliable, and performing well for users across the organization. What You Will Do Maintain and support company computing systems Troubleshoot technical issues alongside IT colleagues Implement new technologies as needed Enhance and improve existing infrastructure Apply critical thinking to solve system management challenges Who Succeeds in This Role Brings hands-on experience with system administration Works well with other IT professionals Approaches problems methodically and proactively Communicates clearly and collaborates effectively This position is based in San Diego, California, United States.

Apr 20, 2026
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companyAG Technologies logo
Full-time|On-site|San Diego

We are seeking motivated and detail-oriented individuals for the role of System Administrator. In this critical position, you will manage and maintain our systems and network infrastructure, ensuring optimal performance and security. The ideal candidate will possess strong skills in UNIX, Linux, networking, and LAN/WAN technologies. Join our dynamic team where you can grow your skills and advance your career!

Jun 6, 2017
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companySaalex Solutions, Inc. logo
Full-time|On-site|San Diego, California, United States

About the Role Saalex Solutions, Inc. is hiring a System Administrator III in San Diego, California. This position focuses on managing and maintaining IT systems to support reliable operations and minimize downtime. What You Will Do Troubleshoot and resolve complex technical issues across IT systems Implement system enhancements to improve performance and reliability Work closely with other teams to optimize system operations Support high availability and seamless day-to-day IT functions Location San Diego, California, United States

Apr 20, 2026
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companySaalex Solutions, Inc. logo
Senior System Administrator IV

Saalex Solutions, Inc.

Full-time|On-site|San Diego, California, United States

Role Overview Saalex Solutions, Inc. is seeking a Senior System Administrator IV in San Diego, California. This position focuses on maintaining and improving IT infrastructure to support business operations and client needs. What You Will Do Implement and manage system configurations across multiple platforms Monitor and maintain system reliability Provide technical support to internal teams and clients Support the delivery of IT services and contribute to ongoing improvements Location This role is based in San Diego, California, United States.

Apr 20, 2026
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companyCollabera logo
Full-time|On-site|San Diego

Join our dynamic team as a System and Application Technical Lead / System Administrator. In this pivotal role, you will oversee the design, implementation, and management of our system and application infrastructure. Your expertise will be instrumental in ensuring optimal performance, reliability, and security while collaborating with various teams to deliver seamless technological solutions.

Jun 8, 2016
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companyAG Technologies logo
Full-time|On-site|San Diego

Join our dynamic team at AG Technologies as a System Administrator and Networking Specialist! In this role, you will be responsible for managing and maintaining our network infrastructure, ensuring seamless connectivity across various platforms. You will work with UNIX and Linux systems, along with LAN/WAN configurations to support our operations effectively. This is an exciting opportunity for entry-level candidates eager to grow their careers in IT and Networking.

Sep 6, 2017
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companyusm2 logo
Full-time|On-site|San Diego

Join our dynamic team at usm2 as a Web Server Systems Administrator specializing in Apache Tomcat. You will play a crucial role in managing server operations, ensuring optimal performance, and maintaining high availability for our web applications.In this position, you will collaborate with cross-functional teams to implement and support server configurations, troubleshoot issues, and enhance existing systems. Your expertise will help us deliver exceptional service to our clients and maintain our reputation for excellence.

Oct 3, 2016
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companyGOVX logo
Full-time|On-site|San Diego, California, United States

As an Enterprise IT Administrator at GOVX, you will play a crucial role in supporting and managing our core business systems, which are integral to our operations. This includes overseeing our ERP, CRM, CSM, and various operational platforms. Your primary focus will be on enhancing and optimizing logistics and sales operations utilizing NetSuite, ServiceNow, and Salesforce.You will be responsible for managing and maintaining integrations across these systems through tools such as Boomi, MuleSoft, and Microsoft Fabric. Your expertise will guide you in designing, building, and supporting logistics-driven solutions through effective scripting, automation, reporting, and system customization.To thrive in this position, you should possess in-depth knowledge of supply chain logistics along with robust technical skills. You will need to create customizations for NetSuite, manage integrations via Boomi, and design tailored solutions that enhance logistics, service, and sales operations at GOVX.This position reports directly to the Chief Technology Officer.

Feb 9, 2026
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companyAccorHotels logo
Amaya Cook I

AccorHotels

Full-time|On-site|San Diego

Join our dynamic culinary team as an Amaya Cook I at AccorHotels in San Diego! We are looking for passionate individuals who take pride in delivering exceptional dining experiences. As a vital member of our kitchen staff, you will be responsible for preparing high-quality dishes, ensuring food safety standards, and collaborating with your teammates to create a welcoming atmosphere for our guests.

Jan 31, 2026
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companySigma Defense Systems logo
Full-time|$75K/yr - $120K/yr|On-site|San Diego, California, United States

Join Sigma Defense, an innovator in defense technology, as a Systems Engineer supporting PMW160 and NIWC Pacific for U.S. Navy Enterprise networks. This role offers a unique opportunity to influence the delivery of critical capabilities by engaging in system design, development, integration, configuration, troubleshooting, and lifecycle engineering support for Navy IT networks and systems. Collaborate closely with Navy stakeholders and partner teams to ensure optimal documentation and integration of applications and services.Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Feb 19, 2026
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companySaalex Solutions, Inc. logo
Full-time|On-site|San Diego, California, United States

About the Role Saalex Solutions, Inc. is hiring a Systems Engineer I in San Diego, California. This entry-level position joins an established engineering team supporting client projects. The role offers hands-on experience and the chance to learn from seasoned colleagues. What You'll Do Support engineering projects for a range of clients Work closely with experienced engineers on technical tasks Contribute to solutions that help clients achieve their goals Build foundational skills in systems engineering Who Should Apply Early-career candidates interested in systems engineering Those eager to learn and grow within a collaborative team Individuals ready to contribute to client-focused projects

Apr 20, 2026
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company
Full-time|$26/hr - $26/hr|On-site|San Diego, California, United States

Join Our Dynamic Team!At DSI Systems, we leverage over 40 years of expertise in sales enablement and tailored business solutions, providing unparalleled value that drives success for our clients and partners. We are actively seeking enthusiastic individuals who are ready to leave their mark in the realms of sales and customer service. Our vibrant and fulfilling workplace offers a platform for you to grow alongside us and make a meaningful contribution.Position OverviewThe Retail Support Specialist (RSS) is pivotal in delivering direct, hands-on assistance to AT&T customers within bustling national retail settings. In this role, you will directly interact with customers and retail partners to address account issues, billing inquiries, device assistance, and service-related concerns, often in high-pressure, fast-paced environments. To succeed, you must possess excellent communication skills, emotional fortitude, a knack for technology, and the ability to maintain composure, accuracy, and professionalism amidst the dynamic nature of retail.Key Responsibilities:Customer SupportDeliver professional, friendly, and solution-oriented support to AT&T customers in national retail locations.Handle inquiries regarding billing, account modifications, plan adjustments, device troubleshooting, and service issues.Diagnose and resolve wireless device issues, network challenges, and feature functionality queries.Thrive in high-volume retail settings, upholding focus, professionalism, and service excellence during peak times and escalated situations.Retail Partner SupportServe as the AT&T subject-matter expert for retail staff and third-party labor partners.Act as the primary AT&T representative for these partners, leading in-store support for retail escalations.Engage proactively with store management to address customer concerns, enhancing partnership alignment and ensuring a top-tier customer experience.Work Environment & Schedule Expectations:This role is conducted in a retail environment and necessitates standing, walking, and engaging with customers on the sales floor for up to 8 hours daily.Willingness to work flexible hours, including evenings, weekends, and holidays, based on business needs.Comfort in busy, customer-facing environments requiring frequent interaction and problem-solving.Operational Excellence:Effectively navigate multiple systems while interacting with customers in real-time.Thoroughly document all interactions with precision.Adhere to company policies, compliance mandates, and privacy standards.Achieve or surpass performance metrics, including quality, efficiency, and customer satisfaction ratings.Execute and maintain approved planograms for mobile devices and signage.

Jan 9, 2026
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companySaalex Solutions, Inc. logo
Life Cycle Management Analyst I

Saalex Solutions, Inc.

Full-time|On-site|San Diego, California, United States

Role overview Saalex Solutions, Inc. seeks a Life Cycle Management Analyst I in San Diego, California. This entry-level analyst helps support clients throughout different stages of product life cycles. The role involves data analysis, process improvement, and contributing to solutions that adapt to customer needs. What you will do Analyze data related to product life cycles Identify ways to improve existing processes Support teams to ensure solutions align with changing customer requirements Growth and development This position offers opportunities to learn and build skills while working alongside experienced colleagues.

Apr 20, 2026
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companySaalex Solutions, Inc. logo
Full-time|On-site|San Diego, California, United States

About the Role Saalex Solutions, Inc. is hiring a Logistician I in San Diego, California. This entry-level position supports the operations team by helping coordinate and manage supply chain activities. The role is designed for those starting a career in logistics and offers hands-on experience in daily logistics management. What You Will Do Assist with coordinating supply chain processes Support daily logistics operations as part of the team Contribute to delivering reliable service for clients Location This position is based in San Diego, California, United States.

Apr 20, 2026
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company
Full-time|$100K/yr - $110K/yr|On-site|San Diego, CA

Cybersecurity Engineer I (CSE1)Location: NIWC Pacific – San Diego, CASalary Range: $100,000 - $110,000/yearCertification Required: Security+ (DoD 8570 IAT/IAM/IASAE Level I compliant)Experience: Minimum of 1 year in cybersecurity rolesJoin Strategic Data Systems as a Cybersecurity Engineer I, where you will play a crucial role in implementing and sustaining robust cybersecurity measures across mission-critical networks at NIWC Pacific. You will be integral in ensuring cybersecurity compliance, mitigating vulnerabilities, and conducting system security monitoring within secure RDT&E environments, thereby contributing to the security of our nation’s defense systems.

Mar 9, 2026
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company
Full-time|On-site|San Diego, CA

Join Monterey Technologies, Inc., where we leverage human-centered systems engineering to create innovative solutions for complex and critical systems. Our approach emphasizes understanding the human aspect before implementing technological solutions, ensuring optimal performance and reduced life cycle costs.Role Overview: As a Senior Systems Engineer specializing in Model-Based Systems Engineering (MBSE), you will engage in a multifaceted role that encompasses traditional systems engineering, human systems integration (HSI), and cutting-edge MBSE practices. Your contributions will be vital in applying MTI's user-focused research and development methodologies. You will be expected to work autonomously and collaboratively, guiding junior engineers while crafting effective solutions for intricate, mission-critical projects.

Nov 4, 2024
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companyThe Scripps Research Institute logo
Laboratory Administrative Coordinator - 06339

The Scripps Research Institute

Full-time|On-site|San Diego

The Laboratory Administrative Coordinator plays a vital role in providing comprehensive administrative support to faculty and staff, primarily focusing on one or more Principal Investigators (PIs) and their laboratory personnel. The size of the team being supported typically consists of fewer than 18 individuals, excluding Visiting Investigators or Scientific Collaborators. Responsibilities may also include assisting higher-level Administrative Assistants to ensure smooth laboratory operations.

Jan 16, 2019

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