Note: The job is a remote job and is open to candidates in USA. DTLR, Inc. is seeking a Senior Systems Administrator to manage their IT infrastructure at their headquarters in Birmingham, AL. This role involves overseeing enterprise-level systems, ensuring high availability and security, and supporting both on-premises and cloud environments.
Responsibilities
- Design, deploy, and manage enterprise-level IT infrastructure (on-premises and cloud)
- Administer Windows and/or Linux servers, virtualization platforms, and storage systems
- Administer enterprise systems including: Active Directory, DNS, DHCP, Group Policy, Microsoft 365 / Azure AD / identity platforms
- Monitor system performance, availability, and capacity planning
- Ensure high availability and disaster recovery readiness
- Manage Active Directory, Group Policy, DNS, DHCP, and identity services
- Oversee enterprise systems such as email, collaboration tools (e.g., Microsoft 365), and identity platforms
- Oversee virtualization platforms (VMware, Hyper-V) supporting corporate and retail applications
- Maintain patching, upgrades, and lifecycle management of systems
- Support hybrid environments spanning on-premise datacenters and cloud platforms (SaaS)
- Automate system administration tasks using PowerShell, Bash, or similar scripting tools
- Assist in cloud migrations and hybrid infrastructure strategies
- Implement and maintain security best practices across infrastructure
- Monitor vulnerabilities, apply security patches, and respond to incidents
- Ensure compliance with organizational policies and regulatory requirements
- Serve as an escalation point for complex technical issues
- Perform root cause analysis and implement permanent solutions
- Maintain system documentation, diagrams, and operational procedures
- Mentor and guide junior administrators and support staff
- Collaborate with network, security, and application teams
- Contribute to IT projects, architecture planning, and strategic initiatives
Skills
- Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience)
- 5–8+ years of experience in systems administration or infrastructure engineering
- Strong experience with: Windows Server and/or Linux environments
- Strong experience with: Active Directory and identity management
- Strong experience with: Virtualization technologies (VMware, Hyper-V)
- Strong experience with: Cloud platforms (SaaS)
- Experience with scripting (PowerShell, Bash, Python)
- Solid understanding of networking fundamentals (TCP/IP, VPN, firewalls)
- Experience with backup/recovery solutions and disaster recovery planning
- Relevant certifications (e.g., Microsoft, VMware)
- Knowledge of containerization (Docker, Kubernetes)
- Experience in enterprise security frameworks or compliance environments
- Dell VxRail hardware solutions
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