Windows Sytstem Engineer

Vaco is hiring a Systems Engineer for a direct hire opportunity in Dayton, OH.

We're looking for a well-rounded Systems Engineer with strong experience in Windows server administration, VMware environments, and Active Directory, along with exposure to operational technology (OT) systems. This role will support both IT and OT infrastructure, ensuring systems are secure, reliable, and integrated effectively.

Please note:
This role is 100% onsite in Dayton, OH and requires U.S. citizenship due to TWIC card eligibility

NO C2C SOLICITATIONS

• Manage and support Windows server environments, including Active Directory, DNS, DHCP, and file services
• Monitor system performance, troubleshoot issues, and optimize configurations for stability and security
• Administer VMware environments (vSphere, ESXi, vCenter), including virtual machine management and upgrades
• Implement and maintain virtualization best practices for high availability and disaster recovery
• Support and maintain OT systems such asICS and SCADA, working closely with cross-functional teams
• Manage Active Directory users, groups, Group Policy, and domain controllers
• Ensure security standards and compliance across both IT and OT environments
• Develop and maintain backup and disaster recovery processes
• Document system configurations, processes, and troubleshooting steps
• Provide guidance and support to team members on infrastructure and IT/OT integration

• Bachelor's degree in IT, Computer Science, or related field (or equivalent experience)
• Strong experience with Windows Server administration, VMware, and Active Directory
• Exposure to OT environments (ICS, SCADA) is highly preferred
• Solid understanding of networking fundamentals and security best practices
• Relevant certifications such as MCSA or VMware VCP are a plus
• Strong troubleshooting skills and ability to work both independently and within a team
• Clear communication skills and ability to collaborate across technical and operational teams

Vaco by Highspring is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race (including but not limited to traits historically associated with race such as hair texture and hair style), color, sex (includes pregnancy or related conditions), religion or creed, national origin, citizenship, age, disability, status as a veteran, union membership, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, political affiliation, or any other protected characteristics as required by federal, state or local law.

Vaco by Highspring and its parents, affiliates, and subsidiaries are committed to the full inclusion of all qualified individuals. As part of this commitment, Vaco by Highspring and its parents, affiliates, and subsidiaries will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact

Vaco by Highspring also wants all applicants to know their rights that workplace discrimination is illegal.

By submitting to this position, you agree that you will be giving Vaco by Highspring the exclusive right to present your as a candidate for the foregoing employment opportunity. You further agree that you have represented information about yourself accurately and have not affirmatively misrepresented your qualifications. You also agree to maintain as confidential, to the fullest extent permitted by law, any information you learn from Vaco by Highspring about the position and you will limit disclosure of information about the position only to the extent necessary to perform any obligations in furtherance of your application.

In exchange, Vaco by Highspring agrees to exercise reasonable efforts to represent you through all solicitation, job screening and resume dispersal.

For residents of Ontario, Canada:
Based on Highspring's discussions with its Client, Highspring's understanding is that this position for…