AC
AceSenior Messaging Engineer
Salary$133k – $177k
LocationCosta Mesa, CA
Typefull-time
SenioritySenior
Experience6+ yrs
Company size10,000+ people
PostedOct 9, 2026 · 5d ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
6+ years of experience administering Microsoft Exchange Server and Exchange Online
Hands-on experience with Exchange Hybrid deployments, migration including security
Experience with PowerShell and Exchange Management Shell
Experience troubleshooting enterprise email delivery and mail-flow issues
Understanding of Microsoft 365 authentication and identity synchronization
Strong verbal and written communication skills
Strong analytical and problem-solving skills
Certs are a plus
Skills
Microsoft Exchange Server
Exchange Online
Microsoft 365
PowerShell
Exchange Management Shell
Benefits
Health insurance
Dental insurance
Vision insurance
401(k)
Pension
Tuition assistance
Paid time off
Parental leave
Wellness programs
Employee discounts
Senior Messaging Engineer
About the role
As a Senior Messaging Engineer, you will be responsible for the administration, maintenance, support and optimization of the Messaging – Microsoft 365/Exchange platform. Prior experience with managing messaging infrastructure, mail flow, security, availability, migrations, user administration, troubleshooting, and integration between on-premises Exchange and cloud services.
The ideal candidate will bring extensive hands-on experience in managing Microsoft Exchange Server environments including hybrid and cloud deployments. Experience working in an Agile development environment.
What You’ll Do
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Administer and support Microsoft Exchange Server environments, including Exchange 2016/2019 and hybrid deployments
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Manage Exchange Online within Microsoft 365, including mailboxes, distribution groups, shared mailboxes, resource mailboxes, and messaging policies
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Maintain and troubleshoot Hybrid Exchange configurations between on-premises Exchange and Exchange Online
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Manage mailbox provisioning, migration, deprovisioning, permissions, delegates, and mailbox-related configurations
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Configure and troubleshoot mail flow, including connectors, transport rules, accepted domains, routing, and delivery issues
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Troubleshoot email delivery, authentication, Outlook connectivity, mobile access, SMTP, and other messaging-related issues
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Perform Exchange mailbox migrations and monitor Exchange servers, databases, queues, services, certificates, storage, and overall messaging health.
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Maintain technical documentation, operational procedures, architecture diagrams, and knowledge articles
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Participate in after-hours support and escalation activities as required including incident, problem and change management tasks
What You’ll Need
•
To thrive in this role, 6+ years of experience administering Microsoft Exchange Server and Exchange Online, certs are a plus
•
Hands-on experience with Exchange Hybrid deployments, migration including security
•
Experience with PowerShell and Exchange Management Shell
•
Experience troubleshooting enterprise email delivery and mail-flow issues
•
Understanding of Microsoft 365 authentication and identity synchronization
•
You have strong verbal and written communication skills, with an ability to express complex technical concepts in business terms
•
You have strong analytical and problem-solving skills
The starting pay range for this position is:
$132,600.00 - $176,900.00
Benefits
Additionally, for full time positions, you will be eligible to participate in our incentive program based upon the achievement of organization, team and personal performance.
.
Remarkable benefits:
• Health coverage for medical, dental, vision
• 401(K) saving plans with company match AND Pension
• Tuition assistance
• Floating holidays and PTO for community volunteer programs
• Paid parental leave
• Wellness programs
• Employee discounts (membership, insurance,
travel, entertainment, services and more!)
About the company
Auto Club Enterprises is the largest club within the national AAA federation. We have nearly 17,000 employees in 24 states helping more than 18 million members. The strength of our organization is our employees. Bringing together and supporting different cultures, backgrounds, personalities, and strengths creates a team capable of delivering legendary, lifetime service to our members. When we embrace our diversity – we win. All of Us! With our national brand recognition, long-standing reputation since 1900, and constantly growing membership, we are seeking career-minded, service-driven professionals to join our team.
“Through dedicated employees we proudly deliver legendary service and beneficial products that provide members peace of mind and value.”
Legal
AAA is an Equal Opportunity Employer
Our organization participates in E-Verify
The Automobile Club of Southern California will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable federal, state, and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance (FCIHO), the Unincorporated Los Angeles County (ULAC) regulation, and the California Fair Chance Act (CFCA).