Job Title: Systems AdministratorLocation: San Jose, CA On-SiteClearance: Active Secret or Top-Secret ClearanceSalary: $95K-$100KApplication Deadline: November 30, 2026To apply, please visit https://s2i2.com/careers/DescriptionResponsible for managing and maintaining a diverse and complex IT infrastructure. Responsibilities:- Ensure the availability, performance, and security of systems across multiple platforms, including Windows and Linux servers, VMware virtual environments, and cloud services such as AWS or Azure. - Apply ITIL best practices to manage incidents, problems, and changes effectively, ensuring minimal disruption to services. - Perform system upgrades, patches, and routine maintenance while troubleshooting and resolving technical issues promptly. - Collaborate with other IT teams to implement automation and optimization strategies, maintain detailed documentation, and ensure compliance with organizational policies and regulatory standards. Requirements- Bachelor's degree (or equivalent work experience) in Information Technology, Computer Science, or a related field - Eight (8) years of experience in systems administration for Windows, Linux, or VMware environments. - Possess excellent knowledge of relevant operating systems (e.g., Windows Server, Red Hat, CentOS) and virtualization technologies (e.g., VMware vSphere, ESXi). - Proficient in scripting languages (e.g., PowerShell, Bash, Python) and experienced with system monitoring, patch management, and performance tuning. - Demonstrate excellent troubleshooting, problem-solving, communication, and teamwork skills, the ability to manage multiple tasks effectively, and maintains currency with industry trends and best practices. Relevant certifications (e.g., Microsoft Certified: Windows Server, RHCSA, RHCE, VMware Certified Professional - VCP) Desired Skills and Experience- Familiarity with the USACE IT environment, regulatory requirements, and data security best practices are preferred.Certification Required - One (1) from the list belowA+CNDNetwork+- Microsoft Certified: Windows Server, OR RHCSA, OR RHCE, OR VMware Certified Professional - VCP About S2i2S2i2 is a growing company with a supportive and inclusive culture and many opportunities for professional development and growth. We have created a supportive, family-like work environment where contributions are recognized. Regular company updates and open lines of communication with leadership fosters collaboration within the company.We are proud to include:Support to achieve professional certifications and degreesLeadership that is accessible to all employeesRegular company updatesClient networking social engagementsMonthly team-building activities (past examples: Top Golf)Supporting our community - including veteransAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.