Job Description
Join NexusTech Solutions as an immediate-hire Senior System Administrator and shape the backbone of our cutting-edge IT infrastructure! We're seeking a proactive expert to maintain, optimize, and secure our hybrid cloud environment. Enjoy competitive compensation, comprehensive benefits, and the chance to work with Fortune 500 clients in San Jose's vibrant tech hub. Your expertise will directly impact business continuity and innovation.
Responsibilities
- Manage and maintain Windows Server 2019/2022 and Linux (RHEL/CentOS) environments
- Implement and monitor cloud infrastructure on AWS/Azure with IaC tools (Terraform)
- Oversee Active Directory, DNS, DHCP, and VPN configurations
- Perform security hardening, vulnerability assessments, and compliance audits
- Develop automation scripts (Python/PowerShell) for routine tasks
- Lead disaster recovery planning and system backup procedures
- Provide Tier-3 support for complex infrastructure issues
- Collaborate with DevOps teams for CI/CD pipeline optimization
Qualifications
- 5+ years of enterprise system administration experience
- Expert-level proficiency in Windows Server and Linux administration
- Strong AWS/Azure deployment and management skills
- Certifications: CompTIA Server+, AWS Certified SysOps Admin, or equivalent
- Advanced knowledge of network protocols (TCP/IP, DNS, VPN)
- Experience with virtualization (VMware vSphere/Hyper-V)
- Scripting automation expertise (Python, PowerShell, Bash)
- Proven incident management and problem-solving abilities