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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Cloud and System Administrator - **Company:** ROSENDIN ELECTRIC, INC. - **Location:** San Jose, CA, United States - **Experience:** Expert - **Salary:** $128,000.0 - $167,900.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Microsoft Windows, Active Directory, User Authentication, Backup Devices, Microsoft Outlook, Cloud Computing, Cloud Computing Security, Information Systems, Data Centers, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), VMware ESX Servers, Monitoring of Systems, Identity and Access Management, Information Technology Operations, Virtual Private Networks (VPN), Linux Servers, Microsoft Office, Windows Servers, Routing, Oracle (Applications), Performance Tuning, Windows PowerShell, Red Hat Enterprise Linux, Server Virtualization, TCP/IP, Virtual Machines, Virtualization Technology, VMware VSphere, Enterprise Software Applications, System Availability, IT Architecture, Software Troubleshooting, Information Technology, Vcenter, Data Management - **Published:** July 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=7567c78e7256bb6d ## About the Role Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin. Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation. We offer a wide range of job opportunities, competitive compensation, full benefits, an Employee Stock Ownership Plan and more., * Bachelor's degree in Information Systems, Computer Science, Business Information Systems, or related discipline; equivalent professional experience considered. * 5+ years of progressive experience administering enterprise IT infrastructure. * Extensive experience supporting VMware vSphere, Windows Server, Linux, Active Directory, enterprise networking, and virtualization technologies. * Experience supporting enterprise storage, backup, disaster recovery, endpoint management, and security platforms. * Experience leading enterprise infrastructure projects from planning through implementation. * Experience supporting production environments requiring high availability and business continuity., * Infrastructure Architecture * Enterprise Systems Administration * Technical Leadership * Project Management * Operational Excellence * Security & Compliance * Problem Solving * Customer Service * Team Collaboration * Continuous Improvement * Process Documentation * Business Continuity Planning WHAT YOU'LL NEED TO BE SUCCESSFUL: * Advanced knowledge of VMware vSphere, ESXi, and vCenter * Advanced knowledge of Microsoft Windows Server administration * Knowledge of Oracle/Red Hat Linux system administration experience * Active Directory, Group Policy, DNS, DHCP, and authentication services * Enterprise networking including routing, switching, wireless, VPN, and TCP/IP * Identity and Access Management (IAM) * Endpoint Management * Endpoint Security * Storage administration and virtualization technologies * Backup and disaster recovery planning * PowerShell scripting and automation * Infrastructure monitoring and performance tuning * IT Service Management (ITSM) * Change Management best practices * Strong troubleshooting and root cause analysis skills * Excellent written and verbal communication skills * Ability to manage multiple concurrent projects and priorities * Strong customer service and collaboration skills * Ability to mentor technical staff and work effectively across cross-functional teams * Experience working with cloud security and governance tools, cloud access security and server virtualization technologies. * Proficient in using a computer and Microsoft Office (Outlook, Word, Excel, etc.) ## Description The Senior Systems Administrator / IT Infrastructure Engineer is responsible for the design, implementation, administration, security, maintenance, and continuous improvement of enterprise infrastructure supporting business-critical operations. This position provides technical leadership across virtualization, Windows and Linux server environments, identity management, networking, endpoint security, cloud-integrated services, disaster recovery, and enterprise collaboration platforms. The role serves as the highest level of technical escalation while leading infrastructure modernization initiatives and ensuring secure, reliable, and highly available IT services., * Administer and maintain enterprise Windows Server, Linux, VMware vSphere, networking, storage, and virtualization environments supporting business-critical applications. * Design, deploy, configure, and support VMware ESXi, vCenter, virtual machines, clustered infrastructure, and enterprise storage platforms. * Administer Active Directory, Group Policy, DNS, DHCP, VPN, identity management, authentication services, and enterprise directory services. * Deploy, manage, and maintain enterprise endpoint management and security platform. * Lead infrastructure projects including virtualization upgrades, office relocations, data center modernization, infrastructure refreshes, and technology migrations. * Perform advanced troubleshooting for Windows, Linux, virtualization, storage, endpoint, and application issues while serving as Tier III technical escalation. * Monitor infrastructure health, system performance, storage utilization, virtualization resources, and overall system availability while proactively resolving issues. * Design, implement, and maintain backup, disaster recovery, and business continuity solutions to ensure operational resilience. * Evaluate emerging technologies and recommend infrastructure improvements that increase reliability, security, automation, scalability, and operational efficiency. * Develop technical documentation, operational procedures, system diagrams, disaster recovery documentation, and infrastructure standards. * Automate administrative tasks using PowerShell and other scripting tools to improve operational efficiency. * Coordinate with vendors, business units, and technical teams to successfully implement enterprise infrastructure initiatives. * Mentor junior technical staff and provide technical leadership, knowledge sharing, and best practice guidance. * Participate in change management, incident response, root cause analysis, and production support activities. * Perform other duties as assigned in support of enterprise infrastructure and IT operations. ## 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) - [Robots are coming into the wild! 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