Job Description
Join our cutting-edge IT infrastructure team at NexusTech Solutions! We're seeking a highly skilled Senior System Administrator to architect, deploy, and maintain our hybrid cloud environment in the heart of NYC. You'll drive enterprise system reliability while collaborating with global teams to deliver mission-critical solutions. Enjoy competitive compensation, comprehensive benefits, and opportunities for professional growth in a dynamic tech ecosystem.
Responsibilities
- Design, implement, and optimize Linux/Windows server environments supporting 10,000+ users
- Manage cloud infrastructure across AWS and Azure with IaC (Terraform)
- Lead system hardening, vulnerability assessments, and incident response protocols
- Automate deployment pipelines using Ansible and Jenkins CI/CD
- Monitor performance metrics with Splunk and ELK stack
- Document SOPs and architecture diagrams for compliance audits
- Mentor junior engineers and contribute to innovation labs
Qualifications
- 5+ years of enterprise system administration experience
- Expertise in Active Directory, DNS, and DHCP infrastructure
- Certification in AWS/Azure or equivalent cloud platforms
- Proficiency in scripting (Python/Bash) and automation tools
- Experience with virtualization (VMware/KVM) and container orchestration
- Strong knowledge of security frameworks (NIST, CIS)
- Bachelor's degree in Computer Science or related field