System Administrator jobs in San Francisco – Browse 701 openings on RoboApply Jobs

System Administrator jobs in San Francisco

Open roles matching “System Administrator” with location signals for San Francisco. 701 active listings on RoboApply Jobs.

701 jobs found

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companymindlance2 logo
Full-time|On-site|San Francisco

Join our dynamic team at mindlance2 as a System Administrator. In this pivotal role, you will oversee our IT infrastructure, ensuring optimal performance and security. Your expertise will support our mission to deliver top-notch service to our clients.

Mar 8, 2017
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companyCloudflare, Inc. logo
Full-time|Hybrid|Hybrid

Join Cloudflare as a Senior Atlassian System Administrator, where you will play a pivotal role in managing and optimizing our Atlassian suite of products. You will work collaboratively with cross-functional teams to ensure the seamless integration and functionality of tools such as Jira, Confluence, and Bitbucket. Your expertise will help us enhance our project management capabilities and improve team productivity.This is an excellent opportunity for individuals who are passionate about technology and thrive in a dynamic, fast-paced environment. You will not only be responsible for system administration but also for implementing best practices and providing training to users.

Mar 2, 2026
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companyAir Apps logo
Full-time|On-site|San Francisco

About Air AppsAt Air Apps, we embrace the spirit of innovation and rapid progress. Founded by a family with a vision, we aim to revolutionize the way individuals and entrepreneurs manage their resources through our groundbreaking AI-powered Personal & Entrepreneurial Resource Planner (PRP). Established in 2018 in Lisbon, Portugal, and now with a thriving presence in San Francisco, we are a self-funded company that has achieved over 100 million downloads globally.Our commitment to long-term growth inspires us to continuously challenge conventional thinking, advancing AI-driven solutions that genuinely impact lives. Join us as a creative force in shaping products that empower users around the world.Be part of our mission to transform resource management and positively influence lives.The RoleIn the position of Systems Administrator at Air Apps, you will take charge of overseeing and optimizing the corporate IT infrastructure, user access protocols, and SaaS tools to foster a secure and efficient workplace. Your responsibilities will include device management, ensuring network security, managing access control, and providing IT support for our team members.This role demands proficient technical knowledge in IT systems, cloud technologies, and security best practices to enhance and scale our operational capabilities.

Mar 28, 2025
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companyJuniper Square logo
Full-time|$145K/yr - $190K/yr|Remote|Americas (USA or Canada)

About Juniper Square Juniper Square is focused on making private markets more accessible and efficient. The company’s platform helps digitize assets like commercial real estate and private equity, aiming to improve transparency and access across the financial ecosystem. Teams work remotely across 27 U.S. states, 2 Canadian provinces, India, Luxembourg, and England. For those who prefer in-person collaboration, offices are available in San Francisco, New York City, Mumbai, and Bangalore. Flexible arrangements include fully remote and on-site roles. Role Overview: Staff IT Systems Administrator The Staff IT Systems Administrator designs, deploys, and supports IT services, SaaS applications, and endpoint infrastructure at Juniper Square. This position calls for a broad technical skill set, as well as ownership of IT-managed systems. The role also involves applying security best practices and responding to security incidents when needed.

Apr 14, 2026
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companyCrusoe logo
Full-time|On-site|San Francisco, CA - US

Join Crusoe as a Staff Storage Systems Administrator, where you will play a pivotal role in managing and optimizing our storage infrastructure. You will work collaboratively with our engineering teams to ensure efficient data management and system performance. This position offers an exciting opportunity to leverage your expertise in storage systems within a dynamic and innovative environment.

Mar 25, 2026
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companyForge Global logo
Full-time|$122K/yr - $150K/yr|Hybrid|San Francisco, California, United States

At Forge, we recognize that our team is our most valuable asset. As pioneers in technology within the private market, our goal is to create a more prosperous future for all. We embody this vision through our core values of being bold, accountable, and humble. Daily, we witness the impact of our vision as we support the teams driving the most significant innovations of our time, from space exploration to advancements in artificial intelligence.Through our liquidity solutions, exclusive data and insights, custody offerings, and a dynamic marketplace, Forge aims to develop a premier technology infrastructure that fuels a transparent, accessible, and seamless global private market for companies, their employees, and their investors. With Forge, employees can liquidate their private shares, employers can offer pre-IPO liquidity, and both individual and institutional investors can engage in the growth of private unicorns.Our unique global marketplace is designed to meet the increasing demand from individual and institutional investors seeking opportunities in private company stocks, fostering a growing network effect.Our capacity to provide these powerful financial solutions has attracted significant interest from investors and demand from customers, prompting the need to expand our team to cater to more companies, teams, and innovators.

Apr 10, 2026
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companyCrusoe logo
Full-time|On-site|San Francisco, CA - US

Join Crusoe as a Senior Staff Systems Administrator, where you will play a pivotal role in managing and optimizing our systems infrastructure. You will work closely with cross-functional teams to ensure seamless operations and high availability of our services.Your responsibilities will include monitoring system performance, troubleshooting issues, and implementing best practices to enhance our infrastructure. This position requires a deep understanding of system administration and a passion for technology.

Mar 6, 2026
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companyPerplexity logo
Full-time|On-site|San Francisco

Join Perplexity as an IT Systems Administrator and play a pivotal role in transforming how users engage with the internet. As an early addition to our innovative team, you will have a unique opportunity to build and optimize our technology infrastructure from the ground up, ensuring seamless operations and cutting-edge performance.This position requires you to work in-person at our bustling San Francisco office.Key ResponsibilitiesProcure, maintain, and manage computers, networking devices, and office technologies to ensure operational excellence.Oversee and optimize corporate software systems for enhanced productivity.Enhance and manage our Mobile Device Management (MDM) infrastructure.Implement and uphold security policies and procedures to safeguard our digital assets.Provision and administer user accounts, ensuring appropriate access permissions.Deliver responsive technical support and effectively troubleshoot complex issues.Lead IT initiatives aimed at improving endpoint management, security, and overall infrastructure.Provide technical training and support on IT systems to staff, both in-person and remotely.

Apr 2, 2026
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companyCrusoe Technologies logo
Full-time|On-site|San Francisco, CA - US

Join Crusoe Technologies as a Storage Systems Administrator II, where you will play a crucial role in managing and optimizing our storage systems. As part of a dynamic team, you will be responsible for implementing storage solutions that enhance our data management capabilities, ensuring data integrity and availability.Your expertise will directly contribute to improving our operational efficiency and supporting the innovative projects that Crusoe Technologies undertakes.

Mar 11, 2026
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company
Full-time|On-site|San Francisco

astro-mechanica is seeking an IT Systems & Network Administrator in San Francisco. This position manages and maintains the company’s IT systems and network infrastructure, focusing on smooth daily operations and strong security practices. Role overview This role centers on overseeing IT systems and network performance. Responsibilities include monitoring infrastructure, addressing issues as they arise, and working to keep systems secure and efficient. What you will do Manage and optimize IT systems and network infrastructure Monitor system performance and troubleshoot technical issues Implement and uphold security measures Impact Your work will support the organization’s technology needs and help enable new solutions as astro-mechanica grows.

Apr 29, 2026
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companyCrusoe logo
Full-time|On-site|San Francisco, CA - US

Join Crusoe as a Senior Enterprise Technology Administrator for Finance Systems, where you'll play a pivotal role in optimizing our finance technology landscape. You will be responsible for managing, enhancing, and supporting the financial systems that drive our business operations. Collaborate with cross-functional teams to ensure seamless integration and implementation of technology solutions that address financial needs.

Mar 31, 2026
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companyAstranis logo
Full-time|On-site|San Francisco

Astranis is revolutionizing the way we communicate by building cutting-edge satellites for high orbits, significantly expanding humanity’s capabilities in space exploration. Our satellites deliver dedicated, secure networks to a diverse range of sophisticated clients, including large enterprises, sovereign governments, and the US military. With five satellites currently operational and a pipeline of new launches, we are addressing a backlog exceeding $1 billion in commercial contracts.Astranis is recognized as the preferred satellite communications partner for clients that demand exceptional uptime, data security, network visibility, and customization. Backed by over $750 million in investments from leading firms like Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 engineers and entrepreneurs designs, builds, and operates our satellites from our expansive 153,000 sq. ft. headquarters in Northern California, USA.Systems Administrator - LinuxWe are in search of a skilled Systems Administrator with extensive Linux expertise to enhance our infrastructure. In this pivotal role, you will ensure the reliability, performance, and security of our core systems that facilitate daily operations. You will collaborate with technical teams to implement enhancements, optimize operations, and maintain resilience in our environment.

Mar 4, 2026
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companySonsoft Inc. logo
Full-time|On-site|San Francisco

Join our dynamic team at Sonsoft Inc. as a WebLogic & JBoss Administrator. In this pivotal role, you will manage and configure our WebLogic and JBoss servers, ensuring optimal performance and reliability. You will collaborate with cross-functional teams to implement solutions that enhance our application environment.As a key player in our IT operations, your expertise will be crucial in troubleshooting and resolving server-related issues, as well as supporting deployment processes. If you are passionate about server administration and eager to contribute to a collaborative work environment, we invite you to apply.

Nov 3, 2016
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companyLaurel logo
Full-time|On-site|San Francisco OR New York

At Laurel, our mission is to reclaim valuable time for professionals. As the premier AI Time platform for professional services firms, we revolutionize the way organizations capture, analyze, and optimize their most precious resource: time. Through our innovative machine learning technology, we automate work time capture and link time data to business outcomes, allowing firms to enhance profitability, elevate client service, and make strategic, data-driven decisions. We proudly serve some of the largest accounting and law firms globally, including EY, Aprio, Crowell & Moring, and Frost Brown Todd, processing over 1 billion work activities annually that have never been systematically collected before.Our team consists of exceptional talent in AI, product development, and engineering—innovative, humble, and forward-thinking professionals dedicated to redefining productivity in the knowledge economy. We are creating solutions that enable workers to deliver twice the value in half the time, freeing up more time for creativity and impact. If you are enthusiastic about transforming work dynamics and contributing to a company that explores the very essence of time, we would love to connect with you.About the Role:We are seeking a GTM Systems Analyst to manage the daily administration, configuration, and optimization of our go-to-market tech stack. You will be the hands-on administrator for Salesforce and the critical link across our broader tool ecosystem, ensuring seamless data flow, reliable integrations, and robust infrastructure for our teams to thrive.This position is part of the RevOps team and collaborates closely with both the RevOps and AI Operations teams to implement our systems roadmap. The ideal candidate is passionate about refining systems and excels at solving technical challenges. You will take ownership of the data and tools that our GTM teams rely on daily. The foundation you establish will empower Laurel to integrate AI intelligence and automation directly into our go-to-market strategies. If you find joy in witnessing a perfectly automated workflow or a dashboard that accurately reflects data, this is the role for you.Key Responsibilities:Establish the data foundation (clean records, consistent field hygiene, reliable integrations) that will support Laurel's AI intelligence across the GTM organization.Administer Salesforce as the primary system of record for GTM data, overseeing users, permissions, data integrity, custom objects, workflows, and reporting from issue identification to resolution.Configure, maintain, and optimize integrations across our GTM stack (Hubspot, Clay, Gong, Outreach, Nooks, Spiff, Exportly, Ironclad, etc.) to...

Apr 6, 2026
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company
Full-time|$26/hr - $26/hr|On-site|San Francisco, California, United States

Become a Part of Our Dynamic Team!At DSI Systems, we bring over 40 years of expertise in sales enablement and tailored business solutions, consistently delivering exceptional value and results for our clients. We are seeking enthusiastic individuals who are ready to excel in sales and customer service. Join us in a vibrant and fulfilling work environment where your contributions will drive significant impact and professional growth.Role OverviewThe Retail Support Specialist (RSS) is essential in providing hands-on, frontline assistance to AT&T customers in bustling national retail locations. In this pivotal role, you will interact directly with customers and retail partners to address account, billing, device, and service inquiries, especially in high-volume scenarios. Success in this position requires outstanding communication abilities, emotional resilience, technological proficiency, and the capacity to maintain professionalism and accuracy in a fast-paced retail environment.Key Responsibilities:Customer SupportDeliver friendly, professional, and solution-oriented support to AT&T customers within national retail settings.Address inquiries surrounding billing, account modifications, plan adjustments, device assistance, and service issues.Troubleshoot wireless devices and network problems, ensuring optimal feature functionality.Perform efficiently in high-traffic retail environments, sustaining focus, professionalism, and service quality during peak periods and escalated situations.Retail Partner SupportServe as the AT&T subject-matter expert for retail staff and third-party partners.Act as the primary AT&T liaison for these partners, leading in-store support for escalated retail issues.Proactively collaborate with store management to resolve customer concerns, reinforcing partnership alignment and ensuring an exceptional customer experience.Work Environment & Schedule ExpectationsThis position operates in a retail setting, necessitating standing, walking, and active engagement on the sales floor for up to 8 hours daily.Flexibility in schedule is required, including availability for evenings, weekends, and holidays as dictated by business needs.Comfort in busy, customer-facing environments with frequent interaction and problem-solving responsibilities is essential.Operational ExcellenceEffectively navigate multiple systems simultaneously while engaging with customers in real-time.Thoroughly document all customer interactions.Adhere to company policies, compliance regulations, and privacy standards.Achieve or surpass performance metrics, including quality, efficiency, and customer satisfaction scores.Execute and maintain approved planograms for mobile device displays and signage.Maintain inventory accuracy and assist in stock replenishment as needed.

Jan 9, 2026
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companymercor logo
Full-time|On-site|San Francisco

About the Role mercor is seeking an Administrative Generalist in San Francisco. This role supports daily operations by keeping administrative processes organized and efficient. The position offers a chance to work closely with different teams and contribute to the company’s productivity. What You Will Do Manage schedules and calendars for team members Coordinate meetings, including logistics and follow-ups Handle correspondence and communications Assist with project management tasks as needed Who Succeeds Here Organized and detail-oriented Enjoys collaborating with colleagues Comfortable adapting to changing priorities This is an on-site position based in San Francisco.

Apr 18, 2026
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companyCloudflare, Inc. logo
Full-time|On-site|In-Office

Join Cloudflare as a Senior OCI and Fusion Administrator in our San Francisco office, where you will play a critical role in managing and optimizing our cloud infrastructure. You will be responsible for the administration of Oracle Cloud Infrastructure (OCI) and Oracle Fusion applications, ensuring high availability, performance, and security. Your expertise will contribute to our mission of building a better internet for everyone.In this dynamic role, you'll work closely with cross-functional teams to implement best practices, streamline processes, and drive innovation. You will also lead initiatives to enhance cloud operations, providing technical guidance and support to team members.

Mar 4, 2026
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companySonsoft Inc. logo
Full-time|On-site|San Francisco

Join our dynamic team at Sonsoft Inc. as a Junior WebLogic & JBoss Administrator. In this role, you will support the administration and management of WebLogic and JBoss application servers, ensuring optimal performance and availability. You will collaborate closely with development teams to deploy and manage applications, troubleshoot issues, and implement best practices in server management.

Nov 2, 2016
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companyOpenAI logo
Full-time|On-site|San Francisco

Role overview OpenAI seeks a Systems Engineer to work directly with network, storage, and systems infrastructure. This position involves hands-on support for the core technology stack, ensuring that essential systems remain performant and reliable. Daily work centers on maintaining and improving the backbone that supports OpenAI's operations. The role addresses both immediate technical issues and ongoing infrastructure needs. Key focus areas Manage and optimize network, storage, and systems components Support the stability and efficiency of core infrastructure Troubleshoot and resolve issues impacting system performance Location This position is based in San Francisco.

Apr 24, 2026
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companyAurelius Systems logo
Full-time|On-site|San Francisco

About Us:Aurelius Systems is an innovative, VC-backed defense technology startup focused on developing autonomous robotics systems capable of utilizing directed energy for counter-unmanned aerial systems (UAS).Our mission is to create cutting-edge laser weapon systems designed to neutralize drones.Comprising a dedicated team of around 10 engineers, including former U.S. military operators and industry experts, we are committed to advancing America's directed energy capabilities with our reliable and robust laser weapon systems.Inspired by the principles of Marcus Aurelius, we adhere to a philosophy of relentless work ethic, much like Henry Ford's transformative approach to manufacturing. Our operational style emphasizes small teams delivering exceptional results without shying away from ambitious goals.With a lab and office in San Francisco and a manufacturing hub in Detroit, we conduct field tests weekly on our expansive, 400-acre private range.If you are an engineer who prefers practical applications of your work in real-world environments rather than confined lab settings, we invite you to continue reading.Your Role & Impact:As a Test Engineer, your primary responsibility will be to determine the functionality and performance of our systems across all layers. We are transitioning from prototype to production for an electromechanical directed energy system, and the test infrastructure you develop will serve as the cornerstone for our future products. You will be tasked with creating test benches from the ground up, ensuring they accurately simulate real-world conditions.You will lead the verification and validation processes for embedded firmware, power electronics, electromechanical assemblies, and full-system integration.Your work will directly influence every field test and demonstration, ensuring we arrive with a functional product.Your Responsibilities:Design and construct Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) test environments for embedded controllers, actuators, sensors, and power systems.Conduct performance, reliability, and safety testing at the system level, integrating hardware and firmware evaluations.Develop comprehensive test plans, acceptance criteria, and readiness gates as we progress from prototype to production.Write automated testing procedures in Python, creating your own regression suites without relying on external tooling.Oversee all aspects of field testing: setup, operation, data collection, teardown, post-test analysis, and documentation of failures.Debug across the entire stack of the system.

Mar 26, 2026

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