Job Description
Join NexusTech Solutions' dynamic infrastructure team as a Senior System Administrator in Austin! We're urgently seeking a proactive expert to maintain our cloud-hybrid environment and drive enterprise-wide IT excellence. Enjoy competitive compensation, comprehensive benefits, and the opportunity to shape cutting-edge systems for Fortune 500 clients. Apply today to become a critical part of our innovation-driven culture.
Responsibilities
- Design, implement, and maintain Linux/Windows server environments with 99.9% uptime SLA
- Optimize AWS infrastructure using Terraform, CloudFormation, and EC2/S3/RDS services
- Manage Active Directory, DNS, DHCP, and enterprise network security protocols
- Automate deployment pipelines with Ansible and Jenkins CI/CD workflows
- Lead disaster recovery planning and execute quarterly failover tests
- Monitor system performance using Zabbix/Prometheus dashboards
- Document IT infrastructure using Confluence and Lucidchart diagrams
Qualifications
- 5+ years experience with enterprise system administration (Linux/Windows)
- Expert-level AWS certifications (SAA or SAP preferred)
- Proficiency in infrastructure-as-code tools (Terraform, Ansible)
- Strong networking fundamentals (TCP/IP, VPN, firewalls)
- Experience with hybrid cloud architectures and container orchestration
- Bachelor's degree in Computer Science or related field
- Security clearance eligibility (government contracts)