Windows Engineer M365

BRAINS WORKGROUP, INC.; New York (NY); On-site; USD 170,000 - 185,000; Full time

Job summary

BRAINS WORKGROUP, INC. seeks a Senior Windows Engineer in New York City. This critical role demands extensive experience in Microsoft 365 and Exchange, driving messaging projects and system integrations. Candidates should have strong PowerShell scripting skills, expertise in email security platforms, and a proven background in managing complex IT environments. Competitive salary ranges from $170,000 to $185,000, with additional bonuses and a comprehensive benefits package. This position is hybrid, requiring 5 days in the office per two weeks.

Qualifications

• 8+ years of experience supporting enterprise Windows and Microsoft messaging platforms.
• Advanced hands-on experience with Microsoft 365 and Exchange in hybrid environments.
• Strong experience designing and supporting Microsoft Teams including Voice/Calling solutions.
• Proven leadership in delivering large-scale messaging or infrastructure projects.
• Expertise supporting Proofpoint or equivalent email security platforms.

Responsibilities

• Serve as a senior technical authority for Microsoft 365 and Exchange.
• Design, implement, and maintain Exchange Online and Exchange On-Premises environments.
• Lead messaging and directory migration initiatives.
• Own and integrate email security platforms.
• Drive end-to-end delivery of infrastructure and messaging projects.
• Partner with architecture, security, and operations teams to define technical standards.
• Author and maintain advanced PowerShell automation.
• Act as escalation point for complex M365, Exchange, Active Directory, and Teams issues.
• Produce high-quality technical documentation.

Skills

Microsoft 365

Exchange Online

Exchange On-Premises

PowerShell scripting

Active Directory

Windows Server

email security platforms (Proofpoint)

ITIL-based service management

communication skills

leadership skills

Tools

Quest On Demand

ServiceNow

VMware Horizon

Azure Virtual Desktop (AVD)

Job description

Senior Windows Engineer

Our client, a major bank in New York City, is looking for a Senior Windows Engineer with strong M365 and Exchange (Online and On‑Premises) experience. This is a hybrid commute: 5 days per 2 weeks in the office (Midtown Manhattan).

Must be authorized to work for any employer in the US – no H1 visa support for this role.

Salary range $170,000–$185,000, plus around 15–20% bonus, plus an excellent benefits package.

Responsibilities

• Serve as a senior technical authority for Microsoft 365 and Exchange, including hybrid Exchange architectures.
• Design, implement, and maintain Exchange Online and Exchange On‑Premises environments, including mail flow, transport, migrations, and coexistence.
• Lead messaging and directory migration initiatives, including tooling such as Quest On Demand.
• Own and integrate email security platforms, including Proofpoint, ensuring reliability, security, and compliance.
• Drive end‑to‑end delivery of infrastructure and messaging projects, including upgrades, migrations, and modernization efforts.
• Partner with architecture, security, and operations teams to define technical standards and roadmaps.
• Author and maintain advanced PowerShell automation for administration, reporting, and operational efficiency.
• Act as escalation point for complex M365, Exchange, Active Directory, and Teams issues.
• Participate in vendor evaluations, solution design, and capacity planning.
• Operate within ITIL-based service management frameworks and support change, incident, and problem processes.
• Produce high‑quality technical documentation and provide clear stakeholder communication.
• Participate in on‑call rotation with senior‑level responsibility and ownership.

Requirements

• 8+ years of experience supporting enterprise Windows and Microsoft messaging platforms (financial services experience preferred).
• Advanced hands‑on experience with Microsoft 365 and Exchange (Online and On‑Premises) in hybrid environments.
• Strong experience designing and supporting Microsoft Teams including Voice/Calling solutions.
• Proven leadership in delivering large‑scale messaging or infrastructure projects.
• Experience with Quest On Demand for migrations or hybrid integrations.
• Expertise supporting Proofpoint or equivalent email security platforms.
• Advanced PowerShell scripting skills.

• Deep understanding of Active Directory, Windows Server, and identity integrations.
• Strong working knowledge of ITIL-based service management (ServiceNow preferred).
• Excellent technical judgment, communication, and stakeholder engagement skills.

Preferred

• Experience with VMware Horizon, Azure Virtual Desktop (AVD).