Infrastructure Engineer II – Microsoft 365, Exchange

Travelers

. Administer and improve enterprise Microsoft 365 messaging and collaboration services .

Posted 9/30/2026full-timeHartford • Connecticut • United StatesMid-LevelSenior💰 $114,700 - $189,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing Microsoft 365 messaging and collaboration services, including Exchange Online and Teams, while utilizing PowerShell for automation and troubleshooting. Proficient in infrastructure engineering with a strong focus on hybrid environments and integration with Azure AD, SharePoint, and OneDrive.

Highest-signal resume keywords

Microsoft 365 AdministrationExchange Online ManagementPowerShell AutomationTeams Policy ManagementAzure AD Security

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Exchange Hybrid ExpertisePowerShell ProficiencyWindows Server KnowledgeActive Directory ManagementDNS ConfigurationNetworking SkillsMonitoring TechniquesConditional Access KnowledgeMFA ImplementationInfrastructure Engineering

Tools & Technologies

Microsoft TeamsExchange ServerAzure AD ConnectSharePoint OnlineOneDrive for Business

Industry Keywords

Infrastructure EngineeringSystems EngineeringHybrid EnvironmentChange ManagementDocumentation Creation

Tech Stack

Tools & technologies

AzureDNS

About the role

Key responsibilities & impact

Administer and improve enterprise Microsoft 365 messaging and collaboration services
Manage Exchange Online and on-premises Exchange Server in a hybrid environment
Administer Azure AD Connect, mail flow, mailboxes, distribution groups, routing policies, server health, queues, retention, and archiving
Manage enterprise Teams policies, meetings, client updates, and Teams Phone System capabilities
Maintain integrations with Exchange, SharePoint, and OneDrive
Use PowerShell automation for onboarding and offboarding, licensing and mailbox setup, Teams configuration, batch changes, health reporting, usage analysis, monitoring, configuration management, patching, and backups
Provide Tier 3 troubleshooting and root cause analysis
Manage escalations to Microsoft Support
Plan and execute Exchange updates, mailbox migrations, Microsoft 365 feature deployments, and possible tenant-to-tenant migrations
Apply testing and change-management processes
Create documentation, runbooks, and training
Collaborate with Network, Security, and Help Desk teams

Requirements

What you’ll need

Bachelor’s degree in Computer Science, related STEM field, or equivalent work experience
5 years of relevant Infrastructure or Systems Engineering experience
Bachelor’s degree in computer science, related STEM field, or equivalent work experience plus 4 years of infrastructure engineering experience
Substantial Exchange hybrid and Teams expertise
Experience with SharePoint Online and OneDrive for Business
Knowledge of Exchange architecture
Knowledge of Teams policies and voice
Knowledge of Azure AD identity and security
Knowledge of Conditional Access and MFA
PowerShell proficiency
Knowledge of Windows Server, Active Directory, DNS, networking, and monitoring
Occasional off-hours maintenance or critical-incident response availability

Benefits

Comp & perks

Performance-based cash incentive awards
Health insurance from the first day of employment for employees and eligible family members
401(k) dollar-for-dollar matching up to the first 5% of eligible pay
Paying it Forward Savings Program with annual 401(k) contributions for eligible student loan payments
Pension Plan 100% funded by Travelers
Minimum of 20 days Paid Time Off annually
Nine paid company Holidays
Wellness program with tools, discounts, and resources
Free professional counseling services, health coaching, and mental health resources
Matching Gift and Volunteer Rewards program
Flexible hybrid work model