Jobs · Information Technology · Colorado

Senior Systems Engineer

Re:Build Manufacturing · Commerce City, CO · 1 mo ago
HybridInformation Technology$100k–$149k/yrFull-time

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.

What you get to do!

  • Escalation Support & Availability
    • Own and resolve Tier 3 incidents involving hardware, software, identity, endpoints, and infrastructure.
    • Monitor system health, diagnose root causes, and implement permanent fixes to maintain uptime.
    • Serve as the final resolution point for complex, high-impact technical issues.
  • Enterprise Projects & Architecture
    • Lead end-to-end delivery of enterprise initiatives, including system migrations, new implementations, upgrades, and modernization efforts.
    • Design, configure, upgrade, manage, and solve systems across on-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 for system design, testing, implementation, security, and operational support.
  • Cloud, Identity & Collaboration
    • Design and support solutions across Microsoft Azure, AWS, and Microsoft 365 within hybrid and multi-cloud environments.
    • Administer Microsoft Entra ID, including Conditional Access, Privileged Identity Management (PIM), identity governance, and MFA.
    • Support Microsoft 365 collaboration and productivity services including Teams, SharePoint Online, Exchange Online, Intune, and Defender.
    • Integrate identity and access controls across Azure, AWS, and on-premises environments, supporting secure authentication, authorization, and least-privilege access.
    • Lead cloud and collaboration migrations, including on-premises to cloud, tenant-to-tenant, and post-acquisition integrations.
  • Endpoint, Server & Core Infrastructure
    • Administer and support Windows 10 and Windows 11 enterprise endpoint environments, including mixed or partially migrated deployments.
    • Design, monitor and support Windows Server environments up to and including Windows Server 2022.
    • Support Active Directory, DNS, DHCP, certificates, and core identity services.
    • Administer virtualization platforms including VMware and Hyper-V.
  • Hybrid, Multi-Environment Architecture
    • Design and support hybrid architectures spanning on-premises infrastructure and cloud platforms.
    • Work within multi-forest Active Directory, multi-tenant Microsoft 365, and multi-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 including firewalls, VLANs, VPNs, routing, switching, and access points.
    • Administer and support Fortinet network and security equipment.
    • Implement security-first architectures aligned with Zero Trust principles.
    • Support regulated environments including Microsoft 365 GCC High, Azure Government, and AWS GovCloud.
    • Participate in environments where FedRAMP and other regulatory requirements may apply.
  • Automation, Documentation & Leadership
    • Drive automation and scripting to improve reliability and reduce manual effort.
    • Create and maintain Standard Operating Procedures (SOPs), knowledge base articles, and fixing 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 supporting Windows 10 and Windows 11 enterprise environments, including upgrade planning and mixed deployments.
      • Experience handling Windows Server environments up to Server 2022.
      • Deep experience with Microsoft 365, including Entra ID, Teams, SharePoint, Intune, Defender, and Exchange.
      • Strong experience with Active Directory, DNS, DHCP, certificates, and hybrid identity.
      • Experience designing and supporting hybrid, 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 with Fortinet networking and security equipment.
      • Exposure to OT networking in manufacturing environments.
      • Familiarity with ITIL processes.
      • Exposure to CAD systems such as SolidWorks.

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