> Markdown version of [/jobs/ext/3412185-systems-administrator-ii](https://www.wearedevelopers.com/jobs/ext/3412185-systems-administrator-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator II - **Company:** FIS, Inc. - **Location:** Fairfield, CA, United States - **Salary:** $78,582.0 - $133,578.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, User Authentication, Bash Shell, Cloud Computing, Software Documentation, Linux, Disaster Recovery, Domain Name System (DNS), Hyper-V, Hypervisor, Identity and Access Management, Python (Programming Language), Linux System Administration, System Center Configuration Manager, Windows Servers, Networking Basics, Routing, Citrix Systems, Windows PowerShell, Software Deployment, TCP/IP, Virtualization Technology, Data Logging, Scripting, System Availability, Software Troubleshooting, Firewalls (Computer Science), Information Technology, Nutanix, User Administration - **Published:** September 14, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18310736?backUrl=%2Fcareer%2F18310736%2FSystems-Administrator-Ii-California-Fairfield ## About the Role * Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. * Experience administering enterprise server environments, operating systems, and infrastructure platforms. * Strong knowledge of Windows Server and/or Linux administration. * Experience with virtualization technologies, cloud platforms, or hybrid infrastructure environments. * Knowledge of networking fundamentals including TCP/IP, DNS, routing, firewalls, and connectivity troubleshooting. * Experience with monitoring, logging, performance management, and incident resolution processes. * Proficiency in scripting or automation using PowerShell, Python, Bash, or similar technologies. * Strong analytical, problem-solving, communication, and collaboration skills. Preferred Qualifications * Experience with SCCM for patching and software deployments. * Experience with IGEL, Citrix and virtualization hypervisors such as Nutanix AOS and Hyper-V. * Experience with IT service management practices and service delivery frameworks. ## Description As a System Administrator II, you will help maintain and optimize the critical technology infrastructure that supports business operations, client services, and fintech innovation. You will administer enterprise systems, troubleshoot complex technical issues, and implement improvements that enhance performance, reliability, and security. This role requires strong technical expertise, collaboration across teams, and a proactive approach to operational excellence. Success is measured through system availability, service quality, automation improvements, and effective incident resolution., * Administer and support Windows, Linux, and virtualized server environments to ensure high availability and performance. * Monitor infrastructure health, system utilization, and capacity to identify and resolve issues proactively. * Troubleshoot and resolve hardware, software, operating system, and network-related incidents. * Implement system patches, upgrades, enhancements, and maintenance activities following change management processes. * Support identity and access management, including account provisioning, authentication, and security controls. * Develop and maintain automation scripts to improve operational efficiency and reduce manual tasks. * Manage backup, recovery, and disaster recovery processes to ensure business continuity. * Collaborate with infrastructure, security, application, and support teams to deliver reliable technology services. * Maintain system documentation, configuration standards, and operational procedures. * Participate in incident response, root cause analysis, and continuous improvement initiatives. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Hacking MSSQL on Cloud. 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