Senior Systems Engineer

Rebuildmanufacturing; Kalamazoo (MI); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Rebuildmanufacturing is seeking a Senior Systems Engineer to design, implement, and support enterprise IT systems in a multi-site manufacturing environment. This role demands deep technical expertise and requires the individual to resolve operational issues while leading infrastructure modernization initiatives.

The ideal candidate will have over 7 years of experience in delivering IT solutions and managing Microsoft Azure environments, along with strong skills in Windows server, Active Directory, and cloud solutions.

Qualifications

• 7+ years delivering enterprise IT solutions end-to-end.
• 5+ years managing Microsoft Azure environments.
• Deep experience with Microsoft 365 tools including Entra ID and Teams.

Responsibilities

• Resolve Tier 3 incidents involving hardware and software.
• Lead end-to-end delivery of enterprise IT initiatives.
• Design and support hybrid architectures across cloud platforms.

Skills

Enterprise IT solutions delivery

Complex IT issue resolution

Microsoft Azure management

Windows 10/11 environment support

Active Directory management

Education

Bachelor’s degree in Information Technology or related field

Tools

Microsoft Entra ID

Windows Server 2022

VMware

Fortinet

Job description

Who we are looking for

The Senior Systems Engineer designs, implements, secures, and supports enterprise IT systems across a multi-site manufacturing environment. This is a hands‑on senior role requiring deep technical expertise, strong operational ownership, and effective partnership with business and technical teams.

The role owns resolving operational issues while also leading infrastructure modernization and enterprise delivery initiatives across hybrid and cloud environments.

What you get to do!

Escalation Support & Availability

• Own and resolveTier 3 incidents involving hardware, software, identity, endpoints, and infrastructure.
• Monitor system health, diagnose root causes, and implement permanent fixes to maintain uptime.
• Serve as thefinal resolution point for complex, high-impact technical issues.

Enterprise Projects & Architecture

• Leadend-to-end delivery of enterprise initiatives, including system migrations, new implementations, upgrades, and modernization efforts.
• Design, configure, upgrade, manage, and solve systems acrosson-premises, hybrid, and cloud environments.
• Partner with collaborators to gather requirements, design solutions, implement changes, document outcomes, and complete operational handoff.
• Establish and enhance standard processes forsystem design, testing, implementation, security, and operational support.

Cloud, Identity & Collaboration

• Design and support solutions acrossMicrosoft Azure, AWS, and Microsoft 365 within hybrid and multi-cloud environments.
• AdministerMicrosoft Entra ID, including Conditional Access, Privileged Identity Management (PIM), identity governance, and MFA.
• Support Microsoft 365 collaboration and productivity services includingTeams, SharePoint Online, Exchange Online,Intune, andDefender.
• Integrate identity and access controls acrossAzure, AWS, and on-premises environments, supporting secure authentication, authorization, and least‑privilege access.
• Lead cloud and collaboration migrations, includingon‑premises to cloud,tenant-to-tenant, and post‑acquisition integrations.

Endpoint, Server & Core Infrastructure

• Administer and supportWindows 10 and Windows 11 enterprise endpoint environments, including mixed or partially migrated deployments.
• Design, monitor and supportWindows Server environments up to and including Windows Server 2022.
• SupportActive Directory, DNS, DHCP, certificates, and core identity services.
• Administer virtualization platforms includingVMware and Hyper‑V.

Hybrid, Multi‑Environment Architecture

• Design and supporthybrid architectures spanning on‑premises infrastructure and cloud platforms.
• Work withinmulti‑forest Active Directory,multi‑tenant Microsoft 365, andmulti‑cloud environments (Azure, AWS, VMware).
• Partner with software development and digital teams to ensure infrastructure enables secure, scalable solutions.

Networking & Security

• Design and support network infrastructure includingfirewalls, VLANs, VPNs, routing, switching, and access points.
• Administer and supportFortinet network and security equipment.
• Implement security‑first architectures aligned withZero Trust principles.
• Support regulated environments includingMicrosoft 365 GCC High,Azure Government, andAWS GovCloud.
• Participate in environments whereFedRAMP and other regulatory requirementsmay apply.

Automation, Documentation & Leadership

• Drive automation and scripting to improve reliability and reduce manual effort.
• Create and maintainStandard Operating Procedures (SOPs),knowledge base articles, andfixing guides.
• Provide clear ticket communication and technical guidance to collaborators.
• Mentor and support other IT and technology teams across the organization.

What you bring to the Team

Required

• Bachelor’s degree in Information Technology or related field, or equivalent experience.
• 7+ years delivering enterprise IT solutions end-to-end.
• 7+ years diagnosing and resolving complex IT issues.
• 5+ years of hands‑on experience managing Microsoft Azure environments.
• Hands‑on experience supportingWindows 10 and Windows 11 enterprise environments, including upgrade planning and mixed deployments.
• Experience handlingWindows Server environments up to Server 2022.
• Deep experience withMicrosoft 365, including Entra ID, Teams, SharePoint, Intune, Defender, and Exchange.
• Strong experience withActive Directory, DNS, DHCP, certificates, and hybrid identity.
• Experience designing and supportinghybrid, multi‑forest, multi‑tenant, and multi‑cloud architectures.
• Hands‑on experience supporting regulated government cloud environments, including Microsoft 365 GCC High, Azure Government, AWS GovCloud, and environments aligned to FedRAMP and/or ITAR requirements
• Strong written and verbal communication skills with the ability to document clearly.
• Strong experience in prioritizing leading competing workstreams.

Preferred

• Experience withFortinet networking and security equipment.
• Exposure toOT networking in manufacturing environments.
• Familiarity withITIL processes.
• Exposure toCAD systems such as SolidWorks.

Location and Work Week: Hybrid Work Week 3 days in / 2 days remote onsite at our Kalamazoo, MI location.

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and Affidavitous Action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure and life experiences. Or for any other reason.

Re:Build is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at [e-mail] or you may call us at 617.909.6275.