Senior Systems Engineer

Re:Build Manufacturing

. Own and resolve Tier 3 incidents involving hardware, software, identity, endpoints, and infrastructure .

Posted 10/14/2026full-timeRemote • Massachusetts • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and supporting complex IT environments, including Microsoft Azure, Windows Server, and Microsoft 365. Proven ability to lead enterprise initiatives, troubleshoot high-impact technical issues, and implement security-first architectures in regulated environments.

Highest-signal resume keywords

Microsoft Azure ManagementWindows Server 2022 SupportMicrosoft 365 AdministrationActive Directory ExpertiseHybrid Cloud Architecture Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Tier 3 Incident ResolutionSystem Monitoring and DiagnosisCloud Migration LeadershipIdentity and Access ManagementVirtualization AdministrationNetwork Infrastructure DesignAutomation and ScriptingSecurity Architecture ImplementationOperational Process EnhancementDocumentation and SOP Creation

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationPrioritization of Competing WorkstreamsMentoring and Team Support

Tools & Technologies

Microsoft Entra IDMicrosoft 365 ServicesFortinet Security EquipmentVMwareHyper-V

Certifications & Qualifications

Bachelor’s Degree in Information TechnologyFedRAMP Compliance Knowledge

Industry Keywords

Regulated Government Cloud EnvironmentsITIL ProcessesZero Trust PrinciplesMulti-Cloud EnvironmentsOT Networking

Tech Stack

Tools & technologies

AWSAzureCloudDNSFirewallsSwitchingVMware

About the role

Key responsibilities & impact

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
Lead end-to-end delivery of enterprise initiatives, including system migrations, new implementations, upgrades, and modernization efforts
Design, configure, upgrade, manage, and troubleshoot systems across on-premises, hybrid, and cloud environments
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
Design and support solutions across Microsoft Azure, AWS, and Microsoft 365
Administer Microsoft Entra ID, including Conditional Access, Privileged Identity Management (PIM), identity governance, and MFA
Support Microsoft 365 services including Teams, SharePoint Online, Exchange Online, Intune, and Defender
Integrate identity and access controls across Azure, AWS, and on-premises environments
Lead cloud and collaboration migrations, including on-premises-to-cloud, tenant-to-tenant, and post-acquisition integrations
Administer Windows 10 and Windows 11 enterprise endpoint environments
Design, monitor, and support Windows Server environments through Windows Server 2022
Support Active Directory, DNS, DHCP, certificates, and core identity services
Administer virtualization platforms including VMware and Hyper-V
Design and support hybrid architectures across on-premises infrastructure and cloud platforms
Work within multi-forest Active Directory, multi-tenant Microsoft 365, and multi-cloud environments
Partner with software development and digital teams on secure, scalable solutions
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 Microsoft 365 GCC High, Azure Government, AWS GovCloud, and FedRAMP-related environments
Drive automation and scripting to improve reliability and reduce manual effort
Create and maintain SOPs, knowledge base articles, and fixing guides
Provide ticket communication and technical guidance
Mentor and support IT and technology teams across the organization

Requirements

What you’ll need

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
Preferred: Exposure to OT networking in manufacturing environments
Preferred: Familiarity with ITIL processes
Preferred: Exposure to CAD systems such as SolidWorks

Benefits

Comp & perks

Shared ownership in the company
Employees share in the financial rewards of company success
Reasonable accommodations for qualified individuals with disabilities