Job Description
Join our cutting-edge IT team at NexusTech Solutions and become the backbone of our infrastructure. We're urgently seeking a dynamic Senior System Administrator to maintain and optimize our critical systems in the heart of Los Angeles. This is your opportunity to work with enterprise-grade technologies in a fast-paced environment where your expertise directly impacts business continuity and innovation. Enjoy competitive benefits, flexible work arrangements, and the chance to shape our IT strategy. Immediate start available for the right candidate!
Responsibilities
- Manage and maintain Windows Server 2019/2022 and Linux environments (RHEL/Ubuntu)
- Implement and monitor cloud infrastructure on AWS (EC2, S3, VPC)
- Oversee network security protocols including firewalls, VPNs, and intrusion detection
- Perform system backups, disaster recovery testing, and high-availability deployments
- Automate workflows using PowerShell, Python, and Ansible
- Collaborate with DevOps teams on CI/CD pipeline optimization
- Provide Tier-3 support and document technical procedures
Qualifications
- 5+ years of experience in enterprise system administration
- Expert-level knowledge of Active Directory, DNS, and DHCP
- AWS/Azure certification (SAA/AZ-900 or equivalent)
- Experience with virtualization (VMware ESXi/Hyper-V)
- Strong scripting abilities (PowerShell/Python)
- CI/CD pipeline implementation experience
- CompTIA Security+ or equivalent security certification
- BS in Computer Science or related field