Senior Systems Administrator

Sr Systems Administrator

Senior Systems Administrator is a senior-level, hands‑on infrastructure role responsible for the administration, reliability, security, and ongoing improvement of G&W Electric's enterprise server and infrastructure environment. The role combines advanced technical administration with infrastructure strategy development and project execution.

Senior Systems Administrator is a senior-level, hands‑on infrastructure role responsible for the administration, reliability, security, and ongoing improvement of G&W Electric's enterprise server and infrastructure environment. The role combines advanced technical administration with infrastructure strategy development and project execution.

The Senior Systems Administrator is responsible for enterprise Windows and Linux server environments, virtualization infrastructure, backup and recovery, service accounts, and related infrastructure technologies. The position serves as a senior technical resource, develops infrastructure standards and roadmaps, and leads infrastructure projects from planning and design through implementation and operational transition.

This position is based on-site in Romeoville, Illinois.

• Administer, maintain, and optimize enterprise Windows and Linux server environments, including operating systems, Active Directory, Group Policy, DNS, DHCP, file services, patching, and related infrastructure services.
• Manage and support enterprise virtualization and hyperconverged infrastructure, including capacity, performance, upgrades, lifecycle management, and troubleshooting.
• Administer enterprise backup and recovery platforms and ensure backup reliability, retention, recoverability, and alignment with disaster recovery requirements.
• Develop, maintain, and test backup, recovery, disaster recovery, and infrastructure resiliency processes for business-critical systems.
• Manage enterprise service accounts, including provisioning, security, credential management, access reviews, documentation, and lifecycle management.
• Perform advanced troubleshooting and root cause analysis for complex server, virtualization, storage, backup, and infrastructure performance issues.
• Develop and maintain infrastructure strategies, standards, roadmaps, technical documentation, and lifecycle plans for assigned technologies.
• Identify and implement opportunities to improve infrastructure reliability, security, automation, standardization, performance, and operational efficiency.
• Lead infrastructure projects from requirements and solution design through planning, implementation, testing, documentation, and transition to ongoing support.
• Partner with cybersecurity and other IT teams to maintain secure configurations, remediate vulnerabilities, manage privileged access, and support security and compliance requirements.
• Evaluate infrastructure technologies and solutions and provide recommendations based on business requirements, technical standards, security, supportability, and total cost of ownership.

Serves as a senior technical resource within the infrastructure team, providing technical leadership, knowledge transfer, and guidance to other IT team members. Leads assigned infrastructure projects and coordinates internal resources, business stakeholders, vendors, and service providers to ensure successful execution.

• A Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent combination of education and relevant experience.
• 7+ years of progressive experience in enterprise systems administration, infrastructure engineering, or a related technical role.
• Advanced experience administering Microsoft…