Job Description
Join our dynamic IT team as a Senior System Administrator in Boston! We're seeking a proactive expert to manage our hybrid infrastructure and drive operational excellence. This is an immediate hire opportunity with competitive benefits and growth potential.
As a cornerstone of our technology backbone, you'll ensure system stability, optimize performance, and implement cutting-edge solutions across on-premises and cloud environments. Collaborate with cross-functional teams to deliver seamless IT services while maintaining rigorous security standards.
Responsibilities
- Design, implement, and maintain Windows/Linux servers and virtualization platforms (VMware/KVM)
- Manage Active Directory, DNS, DHCP, and enterprise backup systems (Veeam/Commvault)
- Monitor system health using Zabbix/Prometheus and resolve incidents within SLAs
- Automate workflows with Ansible/Terraform and optimize containerized environments
- Lead disaster recovery testing and ensure compliance with NIST 800-53 standards
- Document procedures and provide Tier-3 support for complex infrastructure issues
Qualifications
- 5+ years of enterprise system administration experience with Windows Server 2019+ and RHEL/CentOS 8+
- Expertise in virtualization (VMware ESXi/KVM), cloud platforms (AWS/Azure), and networking fundamentals
- Strong scripting skills (PowerShell/Bash) and automation tools (Ansible/Terraform)
- Certifications: CompTIA Server+, MCSA, or equivalent required
- Experience with monitoring tools (Zabbix/Prometheus) and enterprise backup solutions
- Proven ability to troubleshoot complex infrastructure issues under pressure
- Excellent communication skills and collaborative mindset