Sr Systems Engineer (Professional Services)

Nexus Technologies LLC• USA, Remote, US, Remote

2d•$0 - $100,000•Remote

About The Position

NexusTek is expanding its offerings with strategic initiatives in hybrid cloud, cybersecurity, generative AI, and data, aiming to cultivate a premier service organization. The Senior Systems Engineer will lead and support Modern Work migration engagements for customers, focusing on collaboration, messaging, identity, and endpoint management platforms. This role involves working directly with customers and internal teams to assess environments, define migration strategies, and implement transitions across Microsoft Modern Work workloads. The ideal candidate will have strong project delivery skills, hands-on experience with Modern Work migrations, and a deep understanding of moving organizations from legacy platforms to modern environments while balancing user experience, technical risk, security, and compliance. The position is part of NexusTek’s Professional Services organization and will deliver consulting and technical implementation services throughout the project lifecycle. Responsibilities may also include discovery, solution design, migration planning, pre-sales activities, and process improvement for Modern Work and regulated cloud engagements.

Requirements

Minimum of 5+ years delivering Modern Work, collaboration, messaging, identity, or endpoint modernization projects using Microsoft technologies.
Demonstrated experience migrating and supporting Exchange Online, SharePoint Online, Teams, OneDrive, Microsoft Entra ID, and Intune.
Practical experience with tenant-to-tenant migrations, hybrid coexistence scenarios, cutover planning, and post-migration remediation.
Strong knowledge of Modern Work security, compliance, and governance concepts including Conditional Access, retention, data protection, and administrative controls.
Hands-on experience with identity architecture and authentication services, including Microsoft Entra ID, federation, single sign-on, directory synchronization, and hybrid identity scenarios.
Experience integrating Modern Work and identity solutions with MFA and security platforms such as Microsoft Defender, Entra Conditional Access, Duo, Okta, and similar third-party access management or security technologies.
Experience with migration and administration tooling such as native Microsoft migration capabilities, PowerShell, and third-party migration platforms.
Experience with Azure services relevant to Modern Work and migration projects, including identity integration, virtual networking, storage, and cloud infrastructure dependencies.
Ability to translate technical requirements into clear migration plans, customer communications, documentation, and operational handoff materials.
Experience working in or supporting Microsoft 365 GCC or GCC High environments, including awareness of sovereign cloud constraints, compliance drivers, and workload limitations, is strongly preferred.

Nice To Haves

Microsoft 365 Fundamentals certification
Microsoft 365 Certified: Administrator Expert certification
Microsoft Certified: Azure Solutions Architect Expert certification
Additional platform certifications, or equivalent experience (Windows, Linux, Security, Networking.)

Responsibilities

Assess legacy and current-state environments and translate business, technical, and compliance requirements into practical Modern Work migration strategies.
Plan and execute migrations for Exchange Online, SharePoint Online, OneDrive, Teams, and Microsoft Entra ID using Microsoft-native and third-party migration tools.
Lead tenant-to-tenant and platform modernization projects, including discovery, coexistence planning, pilot migrations, cutover execution, and post-migration stabilization.
Design and support Modern Work identity, security, compliance, and governance foundations including Conditional Access, authentication, data protection, retention, and administrative controls.
Lead identity assessment, migration, and integration work across platforms including Google Workspace, Microsoft Entra ID, and Okta, with focus on federation, single sign-on, directory synchronization, and access modernization.
Implement and support Intune and device management capabilities that align endpoint readiness with Microsoft 365 migration and modernization initiatives.
Document migration waves, prerequisites, dependencies, testing plans, user communication requirements, rollback considerations, and operational handoff deliverables.
Support regulated or Security Compliance driven cloud engagements with awareness of Microsoft 365 GCC and GCC High considerations, limitations, and deployment requirements.
Provide prompt, efficient, detailed, customer-oriented service to NexusTek customers.
Actively drive Modern Work migration projects to successful outcomes by engaging customers and internal teams as a lead engineer and trusted advisor.
Lead discovery sessions to understand current-state platforms, business objectives, compliance drivers, user impact, and migration dependencies.
Work with project management and delivery teams to ensure migration plans, milestones, risks, and technical deliverables remain aligned and executable.
Develop practical migration approaches that address mailbox, file, collaboration, identity, device, and security workloads with minimal business disruption.
Support pilot migrations, user readiness activities, cutover events, and post-migration issue resolution.
Create and maintain clear technical documentation, runbooks, configuration records, and transition materials for implemented solutions.
Participate in sales discovery to validate requirements, shape scope, identify assumptions and risks, and recommend migration strategies for Modern Work engagements.
Review and provide input on Statements of Work (SOWs) for technical accuracy, migration feasibility, assumptions, risks, and acceptance criteria.
Partner with Sales and Project Management from pre-sales through delivery to ensure the engagement is set up for a successful outcome.
Lead customer discussions that connect migration decisions to security, compliance, adoption, and long-term operational goals.
Maintain familiarity with structured delivery methodologies and adapt to fast-paced customer environments with strong judgment and just-in-time learning.