Job Description
Join NexusTech Solutions' cutting-edge infrastructure team as we revolutionize cloud-native systems for Fortune 500 clients. We're seeking a passionate Senior System Administrator to architect, deploy, and maintain our hybrid cloud environment in the heart of San Francisco's tech corridor. Enjoy competitive compensation, comprehensive benefits, and opportunities to work with emerging technologies.
Responsibilities
- Design, implement, and optimize Linux/Windows server infrastructure across on-premises and AWS environments
- Manage enterprise-level networking including firewalls, load balancers, and VPNs
- Automate deployment and monitoring using Ansible, Terraform, and Prometheus
- Lead incident response and disaster recovery planning with 99.99% SLA targets
- Collaborate with DevOps teams to implement CI/CD pipelines for infrastructure-as-code
- Document system architecture and compliance frameworks (SOC2, ISO 27001)
- Mentor junior administrators and conduct security vulnerability assessments
Qualifications
- 5+ years of experience in enterprise system administration with Linux and Windows Server
- Expertise in AWS services (EC2, S3, VPC, IAM) and hybrid cloud architectures
- Strong scripting skills (Python/Bash) and infrastructure-as-code tools
- CCNA/CCNP or equivalent networking certification required
- Experience with container orchestration (Kubernetes, Docker) and CI/CD pipelines
- Proven incident management with ITIL or similar frameworks
- Bachelor's degree in Computer Science or related field preferred