Staff It Systems Administrator jobs in San Francisco – Browse 1,534 openings on RoboApply Jobs

Staff It Systems Administrator jobs in San Francisco

Open roles matching “Staff It Systems Administrator” with location signals for San Francisco. 1,534 active listings on RoboApply Jobs.

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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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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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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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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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companyAirbnb, Inc. logo
Full-time|$180K/yr - $225K/yr|On-site|United States

Airbnb connects millions of hosts and guests, offering stays and experiences in locations around the world. Since 2007, the company has helped over 2 billion guest arrivals discover new places and cultures. Role Overview The BizTech team at Airbnb is hiring a Staff Systems Engineer focused on Oracle EPM Planning systems. This role plays a key part in supporting the Finance team, acting as the technical architect and primary developer for the EPM environment. Main Responsibilities Design and develop scalable Oracle EPM solutions for Finance Budgeting and Forecasting. Build and refine financial forecasting models. Drive process improvements using AI technologies. Integrate EPM with data warehouse systems. Translate complex business requirements into technical solutions within Oracle EPM.

Apr 14, 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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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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company
Full-time|On-site|San Francisco

About the Role Comfy Org is looking for a Staff Product Designer with a strong systems mindset. This role calls for someone who sees the big picture, how every component and experience fits together across a complex product. The work centers on creating the principles and patterns that keep our product experience unified, not a patchwork of disconnected features. Comfy Org is building a new platform aimed at supporting the next generation of creative production. The goal: design an experience that feels meaningful and cohesive at every touchpoint. What You Will Do Design end-to-end product experiences, guiding projects from early concept to production-ready solutions. Create prototypes that clearly communicate intended user interactions and flows. Develop new interaction patterns for ComfyUI, a product category still taking shape. Own the design system and the principles that guide the team, ensuring they reflect thoughtful decisions about user experience, not just process. Shape the ComfyUI experience at every level, setting a foundation for other designers to build on. Bring fresh ideas and energy to the team, helping tackle complex challenges and raising the bar for what the product can achieve. Location This position is based in San Francisco.

Apr 16, 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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companyFastly, Inc. logo
Full-time|On-site|Denver, CO; New York City, NY; San Francisco, CA

Fastly is looking for a Staff Engineer to join the Edge Systems Efficiency team. This role centers on enhancing the performance, scalability, and efficiency of Fastly’s edge computing platforms. The work has a direct impact on the reliability and speed of Fastly’s global infrastructure. What you will do Optimize edge systems for greater efficiency and improved performance. Collaborate with cross-functional teams to identify and resolve technical challenges. Apply technical expertise to support new solutions and drive improvements at scale. Locations Denver, CO New York City, NY San Francisco, CA

Apr 21, 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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companyGimlet Labs logo
Full-time|On-site|San Francisco

At Gimlet Labs, we are pioneering the first heterogeneous neocloud tailored for AI workloads. As AI technology evolves, the industry confronts critical limitations in power, capacity, and cost linked to the traditional homogeneous, vertically integrated infrastructure. Gimlet addresses these challenges by decoupling AI workloads from the fundamental hardware, intelligently partitioning them into components and orchestrating each to the hardware that best meets its performance and efficiency needs. This innovative approach facilitates heterogeneous systems across diverse vendors and generations of hardware, including the latest emerging accelerators, resulting in significant improvements in performance and cost efficiency at scale.Building upon this platform, Gimlet is developing a production-grade neocloud for agentic workloads. Our customers can deploy and manage their workloads through stable, production-ready APIs without the complexities of hardware selection, placement, or low-level performance optimization.Gimlet collaborates with foundational labs, hyperscalers, and AI-native companies to enable real production workloads designed to scale to gigawatt-class AI datacenters.We are currently in search of a Technical Staff Member specializing in distributed systems. In this role, you will be instrumental in developing the core platform responsible for scheduling, routing, and managing AI workloads reliably at production scale. You will engage with systems that coordinate execution across thousands of nodes, provide stable production APIs, and guarantee predictable workload performance under real-world conditions of load and failure.This position is ideal for engineers passionate about building foundational infrastructure, grasping end-to-end systems, and operating at scale.

Mar 10, 2026
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companyAirwallex logo
Full-time|On-site|US - San Francisco

Join Airwallex as a Staff Product DesignerAt Airwallex, we are revolutionizing the way global businesses manage payments and finances. Our innovative platform, combining proprietary infrastructure and advanced software, enables more than 200,000 businesses worldwide to handle everything from accounts to embedded finance solutions seamlessly.Founded in Melbourne, we take pride in our diverse team of 2,000+ talented professionals across 26 global offices. With a valuation of $8 billion and support from prestigious investors like T. Rowe Price and Visa, we’re at the forefront of creating the future of global banking. If you're ready to embark on a challenging and rewarding career journey, we invite you to join us!

Mar 2, 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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companyCrusoe logo
Full-time|On-site|San Francisco, CA - US

Join our innovative team at Crusoe as a Staff Software Engineer, where you will leverage your expertise in systems engineering to develop cutting-edge software solutions. In this dynamic role, you will collaborate with cross-functional teams to design, implement, and optimize systems that drive our mission forward. Your contributions will be pivotal in enhancing our technology stack and ensuring the seamless operation of our systems.

Apr 10, 2026
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companyGimlet Labs logo
Full-time|On-site|San Francisco

At Gimlet Labs, we are pioneering the development of the first heterogeneous neocloud designed specifically for AI workloads. As the demand for AI systems surges, traditional homogeneous infrastructures face critical limits in power, capacity, and cost. Our innovative platform effectively decouples AI workloads from their hardware foundations, intelligently partitioning tasks and orchestrating them to the most suitable hardware for optimal performance and efficiency. This strategy fosters heterogeneous systems that span multiple vendors and generations, including cutting-edge accelerators, enabling significant enhancements in performance and cost-effectiveness at scale.In addition to this foundational work, Gimlet is establishing a robust neocloud for agentic workloads. Our clients benefit from deploying and managing their workloads via stable, production-ready APIs, without the need to navigate hardware selection or performance optimization intricacies.We collaborate with foundation labs, hyperscalers, and AI-native companies to drive real production workloads capable of scaling to gigawatt-class AI datacenters.We are currently seeking a Member of Technical Staff specializing in ML systems and inference. In this pivotal role, you will be responsible for designing and constructing inference systems that facilitate the execution of complete models in real production environments. You will operate at the intersection of model architecture and system performance to ensure that inference processes are swift, predictable, and scalable.This position is perfect for engineers with a deep understanding of modern model execution and a passion for optimizing latency, throughput, and memory utilization across the entire inference lifecycle.

Mar 10, 2026
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companyLightfield logo
Full-time|On-site|HQ: San Francisco

Join our dynamic team at Lightfield as a Staff Engineer specializing in Backend Systems. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to innovate and contribute to the design and implementation of our backend architecture. You will collaborate closely with cross-functional teams to deliver high-quality solutions that enhance our products and services.

Mar 10, 2026

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