Systems Administrator

Description

Flex Tecs is a technology-driven organization focused on reliability, security, and continuous improvement. We value precision, accountability, and proactive problem-solving. Our technology team supports critical business operations through secure, resilient, and well-managed infrastructure platforms.

If you enjoy working in a structured environment where your contributions directly impact operational excellence, system availability, and organizational success, this is the place for you.

• Work on business-critical infrastructure that directly supports company operations and customer success
• Participate in cloud modernization and infrastructure improvement initiatives
• Join a culture that values accountability, security, and operational excellence
• Work with modern technologies including VMware, Microsoft Azure, Microsoft 365, Entra , Veeam, SQL Server, and enterprise storage platforms
• Gain exposure to security, compliance, disaster recovery, and business continuity initiatives
• Opportunities for professional development, technical training, and industry certifications
• Autonomy and trust to make meaningful contributions to IT operations and infrastructure strategy

We are seeking a hands-on Systems Administrator who will play a key role in operating, securing, and modernizing Flex Tecs' infrastructure platforms. This position supports our hybrid Microsoft and VMware environment and is responsible for maintaining secure, reliable, and well-documented systems.

The Systems Administrator will work closely with Infrastructure, Security, Development, and Business teams to ensure systems remain available, scalable, secure, and audit-ready while supporting day-to-day operations and strategic IT initiatives.

• Manage and maintain VMware hosts, virtual machines, Windows Server environments, and supporting infrastructure
• Administer Active Directory, Group Policy, DNS, DHCP, and related services
• Monitor system performance, capacity, availability, and reliability across infrastructure platforms
• Support server lifecycle management including deployment, upgrades, patching, and retirement
• Troubleshoot infrastructure, network, and application-related issues

• Support Microsoft 365 services including Exchange Online, Teams, SharePoint, and One Drive
• Administer Microsoft Entra  (Azure AD) including user lifecycle management, Conditional Access, and identity governance
• Support hybrid identity and cloud integration initiatives
• Assist with cloud infrastructure and Microsoft Azure administration

• Implement and maintain secure system configurations and infrastructure best practices
• Support vulnerability remediation and security hardening initiatives
• Participate in patch management and security update processes
• Maintain privileged access controls and least-privilege security principles
• Assist with audit readiness activities, evidence collection, and compliance initiatives
• Support cybersecurity projects and infrastructure security improvements

• Administer and monitor Veeam Backup & Replication environments
• Perform regular backup validation and recovery testing
• Participate in disaster recovery exercises and infrastructure resiliency initiatives
• Maintain backup, recovery, and business continuity documentation
• Ensure business-critical systems meet recovery objectives

• Maintain firewall rules, VPN configurations, and secure remote access solutions
• Assist with network troubleshooting and connectivity issues
• Support datacenter and infrastructure operations as needed
• Collaborate with vendors and technology partners to resolve escalated issues

• Maintain accurate system documentation, network diagrams, standards, and procedures
• Participate in change management and operational review processes
• Track infrastructure assets and technology lifecycle activities
• Identify opportunities for automation and process improvement
• Contribute to the development of operational standards and best practices

• Provide Tier 2 and Tier 3 support for escalated technical issues
• Collaborate with business stakeholders to understand and support operational needs
• Train and mentor junior technical staff when appropriate
• Participate in after-hours support and on-call rotation as required

• 3+ years of experience administering Windows Server environments
• 3+ years of experience supporting VMware infrastructure
• Strong understanding of Active Directory, Group Policy, DNS, and DHCP
• Experience with Microsoft 365 administration
• Experience with Microsoft Entra  (Azure AD)
• Experience administering backup and recovery solutions
• Strong troubleshooting and problem-solving skills
• Experience creating and maintaining technical documentation
• Strong communication and organizational skills