Senior Systems Administrator

Description

Summary: Seeking a Senior Systems Administrator to manage, maintain, and support core IT infrastructure, demonstrating strong problem-solving and leadership skills in a critical operational environment. Highlights: 1. Lead troubleshooting and resolution of complex infrastructure issues 2. Administer and support core IT infrastructure across multiple platforms 3. Mentor junior IT staff and drive continuous improvement efforts a salary range of $2,750–$3,200, with the potential for an increase after the probationary period. **Job Requirements Education** * Bachelor’s degree in Information Technology, Computer Science, or a related field preferred. * Equivalent hands\-on experience may be considered in place of formal education. **Experience** * Minimum of \+7 years of progressive experience in systems administration, infrastructure support, or a similar senior IT role. * Proven experience managing production IT infrastructure in a fast\-paced business environment. * Strong experience supporting on\-premises and hybrid environments, including servers, networking, Microsoft 365, virtualization, storage, backups, and security tools. * Experience serving as a senior escalation point for complex technical issues. * Experience planning, implementing, and supporting infrastructure upgrades, migrations, and system improvements. * Experience working in environments where uptime, reliability, and quick response are critical. * Experience documenting systems, procedures, and recovery processes. **Technical Skills** * Strong hands\-on experience with Windows Server administration. * Experience with Microsoft 365 administration, including Exchange Online, Teams, SharePoint, OneDrive, and Entra ID. * Strong experience with Active Directory, Group Policy, DNS, DHCP, file services, print services, and permissions management. * Experience with virtualization platforms such as VMware vSphere and/or Hyper\-V. * Strong understanding of networking fundamentals, including TCP/IP, VLANs, VPNs, routing, switching, firewalls, DNS, and DHCP. * Experience with backup, disaster recovery, restore testing, and business continuity support. * Experience with endpoint management, patching, antivirus/EDR, and device lifecycle support. * Experience with PowerShell scripting and automation; Bash or Python is a plus. * Familiarity with cloud services such as Microsoft Azure and AWS is preferred. * Experience with storage technologies, RAID, SAN/NAS, and server hardware troubleshooting. **System Administration Responsibilities** * Administer, maintain, and support core infrastructure systems across servers, virtualization, networking, storage, and Microsoft 365\. * Manage user accounts, permissions, security groups, access controls, and policy enforcement. * Monitor system health, performance, availability, and capacity to ensure stable operations. * Lead troubleshooting and resolution of escalated infrastructure, server, and network issues. * Maintain patching, backups, disaster recovery readiness, and restoration procedures. * Support infrastructure security efforts, including hardening, vulnerability remediation, MFA, and access controls. * Lead or assist with infrastructure projects, upgrades, migrations, and continuous improvement efforts. * Maintain clear technical documentation, diagrams, standards, and SOPs. **Problem\-Solving and Leadership** * Strong troubleshooting and root\-cause analysis skills. * Ability to work independently, prioritize effectively, and manage multiple issues at once. * Ability to communicate clearly with both technical and non\-technical users. * Ability to mentor junior IT staff and provide guidance on best practices. * Strong sense of ownership, accountability, and follow\-through. **Preferred, But Not Required** * Relevant certifications are a plus, but proven experience and technical ability are valued more heavily. * Experience in manufacturing, warehouse, or 24/7 operations environments is a plus. * Experience with cybersecurity tools, audits, compliance, and infrastructure hardening is a plus. Job Type: Full\-time Work Location: Remote