Job Title: Senior System Engineer in
Location: Andover MA
Duration: Permanent
Position Summary
We are seeking a Senior Systems Engineer to help lead and evolve client enterprise Microsoft ecosystem. This strategic, hands-on role is responsible for the administration, modernization, and optimization of core Microsoft technologies, including Windows Server, Active Directory, Microsoft 365, Intune, and Azure.
As a senior member of the infrastructure team, you’ll serve as a subject matter expert, partnering with peers across infrastructure, application, IAM, and security teams to ensure our systems are secure, stable, and future-ready. You'll help shape Microsoft technology strategy, implement automation and best practices, and contribute to cross-domain projects that span endpoint management, cloud services, and identity lifecycle integration.
This role combines deep technical expertise, platform ownership, and a strong ability to drive operational maturity and strategic alignment across the Microsoft stack.
Key Responsibilities
- Administer on-prem Microsoft infrastructure: Windows Server (VMware/Nutanix-based), Active Directory Domain Services, Group Policy, DNS, DHCP, AD Certificate Services, IIS/Web services, etc.
- Own and manage Microsoft 365 services including Exchange Online, Teams, SharePoint, OneDrive, policies, licensing, and service health.
- Co-manage Windows 11 endpoint lifecycle and compliance via Microsoft Intune, in collaboration with a third-party partner.
- Maintain secure, consistent configurations across the Windows 11 fleet using modern tools and baselines.
- Support and administer Azure services: identity, governance, policy, monitoring, and core IaaS (compute, networking, etc.).
- Lead server patching and lifecycle automation using Azure Automation, Azure Update Manager, and scripting tools.
- Develop and maintain scripts to automate tasks and enforce configuration standards.
- Ensure robust monitoring, alerting, and reporting across Microsoft platforms to support system health and compliance.
- Assist with Microsoft licensing oversight, cost tracking, and vendor collaboration.
- Collaborate with IAM teams (Okta) to support identity lifecycle automation and seamless user experiences.
- Contribute to platform strategy, standards, and modernization roadmap across Microsoft services.
- Drive hardening and security efforts aligned to Microsoft Security Baselines and CIS benchmarks.
- Serve as a senior escalation point for Microsoft-related infrastructure issues and initiatives.
- Support application teams with Microsoft server–based infrastructure needs.
- Participate in DR planning, HA design, and infrastructure resiliency initiatives.
- Engage in cross-functional projects involving infrastructure, security, networking, and cloud.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Technology, or equivalent experience.
- 5+ years in a senior systems engineering or administration role focused on Microsoft platforms.
- Deep expertise in Windows Server, Active Directory, Group Policy, and legacy-to-modern integration.
- Enterprise AD experience, including multi-domain and identity provider integration.
- Hands-on experience with Microsoft Intune for policy, compliance, and endpoint co-management.
- Strong Microsoft 365 administration experience (Exchange, Teams, SharePoint, OneDrive, policy/configuration).
- Working Azure administration knowledge (AZ-104 level or higher).
- Proficiency with PowerShell and scripting for automation, config management, and reporting.
- Experience contributing to platform roadmaps, modernization efforts, and technical standards.
- Familiarity with monitoring and observability tools for platform health and compliance.
- Experience working with IAM platforms (Okta or similar) for identity integration.
- Vendor management experience, including service integration and alignment to enterprise standards.
- Strong collaboration and communication skills across technical and business stakeholders.
Skills & Personal Attributes
- Strategic and solution-oriented – Contributes to roadmap, modernization, and long-term platform direction.
- Collaborative and team-focused – Works across infrastructure, security, IAM, and app teams to deliver outcomes.
- Proactive and accountable – Owns responsibilities, anticipates challenges, and drives improvements.
- Clear communicator – Explains complex technical topics to technical and non-technical audiences.
- Security-conscious – Embeds secure configurations and compliance into daily operations.
- Adaptable and growth-minded – Stays current with Microsoft technologies and adopts new tools as needed.
Never miss an opportunity! Create an alert based on the job you applied for.