Senior Systems Engineer
Location: Houston - Hybrid (4:1)
About Us
Tokio Marine HCC is a leading specialty insurance group with offices in the United States, the United Kingdom, Europe, Ireland, and other exciting locations. With the strength and stability that comes from being a member of the Tokio Marine Group, and more than forty years of growth, profitability, and stability, we offer important insurance products that most people don't even know exist. Every policy we write is special, enabling our clients to do amazing things. From insuring the crops that feed us to the rock concerts that entertain us, to rescuing international travelers in trouble, we offer more than 100 classes of specialty insurance. Applying our Mind Over Risk philosophy to writing insurance allows our customers take on opportunity with confidence. That philosophy defines our way of thinking, unites us as a team, and differentiates us from our competitors. We are much more than just an insurance company; we are a good company.
Role Overview
We are seeking a Senior Systems Engineer to join our Infrastructure Collaboration Engineering team. In this role, you will serve as the subject matter expert for Microsoft 365-particularly Exchange Online, OneDrive, and Microsoft Teams. You will design, architect, implement, and maintain M365 access management and collaboration solutions that support business productivity and long-term system stability. As part of a dynamic team, you will lead technical initiatives, support users, troubleshoot complex issues, integrate M365 services across the organization, and ensure our systems remain secure, compliant, and efficient.
Key Responsibilities
- Maintain thorough documentation of configurations, procedures, troubleshooting steps, and change management activities.
- Design, implement, configure, and support Exchange Online, including migrations, hybrid setups, security features, and performance monitoring.
- Lead OneDrive for Business migrations, governance, security enforcement, automation, and user adoption efforts.
- Plan, deploy, and administer Microsoft Teams environments, ensuring alignment with business needs, security standards, and compliance requirements.
- Integrate M365 services such as Exchange, Teams, SharePoint, and OneDrive with each other and with third-party applications.
- Provide tier 2/3 technical support, troubleshoot service issues, and optimize overall M365 reliability and user experience.
- Utilize PowerShell and automation tools to streamline processes, reporting, and policy enforcement.
- Maintain documentation and stay current on M365 roadmap updates, best practices, and new features.
Exchange - Design, implement, and configure Exchange Online environments, including mailbox setup, migration from on-premises Exchange, and hybrid configurations.
- Manage user mailboxes, distribution groups, shared mailboxes, and resource mailboxes. Perform day-to-day administration using the Microsoft 365 admin center and PowerShell.
- Implement and manage security features such as anti-phishing, anti-spam, and malware protection. Ensure compliance with organizational policies and regulatory requirements using features like retention policies, eDiscovery, and data loss prevention (DLP).
- Monitor Exchange Online health and performance using tools like Microsoft 365 Service Health and Message Trace. Troubleshoot mail flow issues, connectivity problems, and resolve service incidents.
- Provide technical support to end-users for Exchange Online-related issues, including mailbox access, email delivery, and calendar synchronization. Educate users on best practices and new features.
- Plan and execute mailbox migrations from legacy systems (such as Exchange Server or other email platforms) to Exchange Online, ensuring minimal disruption and data integrity.
- Integrate Exchange Online with other Microsoft 365 services (such as Teams, SharePoint, and OneDrive) and third-party applications as required.
- Utilize PowerShell and other automation tools to streamline administrative tasks, generate reports, and enforce organizational policies.
- Stay updated with the latest Exchange Online features, best practices, and Microsoft roadmap changes. Proactively recommend and implement improvements to enhance service reliability and user experience.
OneDrive - Migrate legacy file storage systems to OneDrive for Business, ensuring data integrity and minimal downtime.
- Oversee storage quotas, user access, and sharing settings to maintain organizational standards.
- Implement and enforce security policies, including Data Loss Prevention (DLP), encryption, and access controls.
- Ensure compliance with industry regulations and internal governance standards for data storage and sharing.
- Monitor for and respond to security incidents related to OneDrive usage.
- Provide tier 2/3 support for OneDrive-related issues, coordinating with Microsoft support as necessary.
- Develop and deliver training materials, workshops, or webinars to promote OneDrive adoption.
- Integrate OneDrive with other M365 services (e.g., Teams, SharePoint) to streamline workflows.
- Leverage Power Automate or similar tools to automate routine tasks and processes related to file management.
- Collaborate with developers and IT teams to enable custom integrations as needed.
MS Team - Plan, deploy, and configure Microsoft Teams environments according to business requirements, including tenant setup, policies, and integrations.
- Oversee day-to-day administration of Teams, managing users, groups, channels, and permissions. Monitor usage and maintain system health.
- Implement and manage security protocols, data governance, and compliance policies to protect organizational data and ensure regulatory adherence.
- Integrate Teams with other Microsoft 365 services (such as SharePoint, Exchange, OneDrive) and third-party applications to enhance collaboration and workflow automation.
- Provide technical support to end-users, resolve issues, and handle escalations related to Teams functionality, connectivity, and performance.
- Utilize reporting tools to monitor usage, analyze trends, and provide actionable insights for continuous improvement.
- Stay current with Microsoft Teams updates, new features, and best practices; implement changes and communicate impacts to stakeholders.
- Work closely with IT teams, business units, and external partners to align Teams capabilities with organizational goals and strategies.
Qualifications
Bachelor's degree in Computer Science or related field, or equivalent experience
Minimum of 5 years' experience as an M365 and Exchange subject matter expert
Experience with designing, deploying, and administering Exchange Online, OneDrive, and Teams
Knowledge of SharePoint and Rubrik is beneficial
Microsoft and Azure certifications are highly advantageous
Skills & Experience
Strong expertise in Microsoft 365 administration and architecture (Exchange, OneDrive, Teams)
Proficiency with PowerShell and workflow automation
Excellent troubleshooting, analytical, and technical support skills
Understanding of security, compliance, and data governance controls within M365
Strong communication and documentation abilities
Why Join Us?
At TMHCC, we value innovation, collaboration, and professional growth. You'll have the opportunity to work on impactful projects, develop your skills, and advance your career in a supportive and dynamic environment.
What We Offer
Competitive salary and employee benefit package
Strong learning culture
Growth perspectives
6% 401(k) match
20 days of PTO and 2 Floating Days
Paid parental leave
An opportunity to love what you do
Equal Opportunity Employer
Tokio Marine HCC is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
#LI-SD1
Never miss an opportunity! Create an alert based on the job you applied for.
