Job Description
Join our dynamic IT team at NexusTech Solutions as we urgently seek a Senior System Administrator to support our rapidly expanding infrastructure. This critical role demands a proactive problem-solver with deep expertise in enterprise systems. You'll design, implement, and maintain our multi-cloud environment while ensuring 99.9% uptime for mission-critical applications. Enjoy competitive benefits, flexible work arrangements, and opportunities for professional growth in one of Jacksonville's fastest-growing tech sectors.
Responsibilities
- Manage and optimize Windows Server 2019/2022 and Linux environments
- Implement and maintain AWS/Azure cloud infrastructure and hybrid solutions
- Oversee network security protocols including firewalls, VPNs, and access controls
- Automate system provisioning and deployment using Ansible/Terraform
- Monitor system performance using Nagios/Zabbix and resolve incidents within SLA
- Document procedures and create disaster recovery plans
- Lead cross-functional projects for infrastructure upgrades
Qualifications
- 5+ years of hands-on system administration experience
- Expertise in Active Directory, DNS, DHCP, and IPAM
- Certification in CompTIA Server+ or AWS Certified Solutions Architect
- Proficiency with PowerShell and Bash scripting
- Strong understanding of TCP/IP networking and virtualization (VMware/Hyper-V)
- Experience with CI/CD pipelines and infrastructure-as-code
- Ability to work independently and manage high-priority incidents