Sr. System Administrator POST NUMBER: 461529

Sr. Systems Administrator – Direct Hire | Fully Onsite in Mason, OH

Vaco is hiring a Senior Systems Administrator for a direct hire opportunity with a growing company based in Mason, Ohio . This is a fully onsite role responsible for designing, managing, and supporting enterprise computer systems and business applications. The ideal candidate is a proactive IT professional who exercises discretion, makes independent decisions, and drives technology initiatives that support critical business operations.

Key Responsibilities

• Lead and support capacity planning and long-term system strategy in collaboration with end users and department leaders.

• Partner with network engineering, business application, and database administration teams to implement desktop and server systems that align with organizational goals.

• Troubleshoot and resolve Tier 1–3 end-user technical issues related to hardware, software, and configuration.

• Deploy, monitor, and maintain servers, workstations, printers, scanners, firewalls, encryption systems, and host security solutions.

• Manage and support software deployments and physical infrastructure upgrades.

• Administer end-user accounts, permissions, and access rights.

• Anticipate, diagnose, and resolve hardware and software problems; escalate as needed.

• Support application development teams throughout project lifecycles and assist with implementation efforts.

• Recommend, schedule, and perform system updates, patches, reconfigurations, and hardware/software improvements.

• Document system procedures, policies, and standards for hardware and software use, acquisition, and security.

• Conduct end-user training and develop materials related to systems usage and best practices.

• Research emerging technologies, tools, and standards to enhance system performance and reliability.

Technical Focus Areas / Required Expertise

• Virtualization experience with VMware and storage management.

• Administration of Azure and Microsoft 365 environments.

• Management of Windows on-premises domains and syncing with cloud domains .

• Windows Server administration (versions 2012 through the latest).

• Experience with Fortigate or Fortinet network/security devices is a plus.

Qualifications

• Education: Bachelor’s degree in Computer Science or related field (or equivalent experience/certifications).

• Preferred certifications: CompTIA Server , Security , MCSA, MCSE.

• Experience: Minimum 5 years in system or network administration.

• Strong technical expertise in managing networks, PCs, operating systems, cloud technologies, and security solutions.

• Proficiency in Microsoft 365 , SharePoint , Teams , and other business productivity applications.

• Hands-on experience with software/hardware troubleshooting, data management, and configuration documentation.

• Foundational cybersecurity knowledge and familiarity with data privacy regulations.

• Ability to balance multiple priorities, projects, and support requests efficiently.

• Excellent problem-solving and communication skills.