Senior Systems Engineer

Rebuildmanufacturing; Merrimack (NH); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work model

Equal Employment Opportunity

Affirmative Action employer

Job summary

Rebuildmanufacturing in Merrimack, NH is seeking a Senior Systems Engineer to design and support complex IT systems across a multi-site manufacturing environment. This vital role demands hands-on technical expertise and strong operational ownership.

Candidates should have 7+ years of delivering enterprise IT solutions, particularly in Microsoft Azure and hybrid environments. The position offers a hybrid work model, with three days on-site and two remote.

Qualifications

• 7+ years delivering enterprise IT solutions end‑to‑end.
• 5+ years managing Microsoft Azure environments.
• Strong written and verbal communication skills.

Responsibilities

• Own and resolve Tier 3 incidents in a multi-site manufacturing environment.
• Lead end‑to‑end delivery of enterprise initiatives, including system migrations.
• Design and support hybrid architectures across on-premises and cloud platforms.

Skills

Windows 10 and Windows 11 enterprise environments

Microsoft Azure environments

Active Directory

Microsoft 365

Tier 3 incident resolution

Education

Bachelor’s degree in Information Technology or related field

Tools

Fortinet networking equipment

VMware

Hyper-V

Job description

About Re:Build Manufacturing

Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America’s next generation industrial company. At Re:Build we deploy deep expertise in engineering, operations management, and technology to supercharge the performance of our member companies. We leverage deep professional expertise and a candid, principled operating culture to drive differentiated outcomes. Ours is a fast-paced environment where individuals can stretch and be challenged to pursue their fullest potential.

Re:Build was founded to pioneer a profitable model for the revitalization of US manufacturing. We’ve assembled a powerful set of complimentary capabilities and lines of business that enable us to pursue a wide range of end markets. Our acquired businesses are grounded in build-to-print and by-the-hour engineering and design services, and we’re leveraging their combined expertise to migrate to increasingly sophisticated program development and production, as well as the generation of our own products. Our unique set of capabilities lend themselves to highly complex systems and products, and we offer customers a range of services including product and systems design, automation, fabrication, assembly, and large volume contract manufacturing. Our customers span a wide array of industries including aerospace, defense, mobility, healthcare, pharma, biotech, clean tech, chemicals, energy, lifestyle, food production, and industrial equipment.

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 rolerequiring 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 resolve Tier 3 incidentsinvolving hardware, software, identity, endpoints, and infrastructure.
• Monitor system health, diagnose root causes, and implement permanent fixes to maintain uptime.
• Serve as thefinal resolution pointfor complex, high-impact technical issues.

Enterprise Projects & Architecture

• Lead end‑to‑end deliveryof 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 365within 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 architecturesspanning 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+ yearsdelivering enterprise IT solutions end‑to‑end.
• 7+ yearsdiagnosing 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 withFortinetnetworking and security equipment.
• Exposure toOT networkingin manufacturing environments.
• Familiarity withITIL processes.
• Exposure toCAD systemssuch as SolidWorks.

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

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and Affi­rmative 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.