Senior Exchange

Our Company

We're Hitachi Vantara, the data foundation trusted by the world's innovators. Our resilient, high-performance data infrastructure means that customers – from banks to theme parks – can focus on achieving the incredible with data.

If you've seen the Las Vegas Sphere, you've seen just one example of how we empower businesses to automate, optimize, innovate – and wow their customers. Right now, we're laying the foundation for our next wave of growth. We're looking for people who love being part of a diverse, global team – and who get excited about making a real-world impact with data.

The team

We are seeking a highly skilled and experienced Senior Exchange / M365 Engineer to join our IT Infrastructure team. This role is ideal for someone who thrives in a hybrid environment, balancing strategic project work with hands-on support. You will be responsible for managing and optimizing our Microsoft 365 environment, including Exchange Online, and ensuring seamless integration with our on-premises Active Directory infrastructure. Our tenant supports approximately 15,000 users, and this role is critical to maintaining performance, security, and user satisfaction.

The role

Lead and participate in M365 and Exchange Online projects, including migrations, upgrades, and new feature rollouts.

• Design and implement solutions that integrate Exchange Online with on-prem Active Directory.

• Collaborate with security, compliance, and identity teams to ensure best practices are followed.

• Evaluate and implement new Microsoft 365 features and services to enhance productivity and collaboration.

• Develop and maintain technical documentation and architectural diagrams.
Tier 3 Support (50%)

• Serve as the escalation point for complex Exchange Online and M365-related incidents and service requests.

• Troubleshoot and resolve issues related to mail flow, hybrid configurations, authentication, and directory synchronization.

• Monitor system performance and proactively address potential issues.

• Work closely with Tier 1 and Tier 2 support teams to provide guidance and training.

What you'll bring

5+ years of experience managing Microsoft Exchange (Online and/or Hybrid).

• Strong expertise in Microsoft 365 services, including Exchange Online, Teams, SharePoint, and OneDrive.

• Deep understanding of hybrid identity and directory synchronization (Azure AD Connect).

• Experience with PowerShell scripting for automation and administration.

• Familiarity with Microsoft Defender for Office 365 and compliance/security features.

• Excellent troubleshooting and problem-solving skills.

• Strong communication and documentation abilities.

Preferred Qualifications:

• Microsoft certifications such as MS-102, MS-203, or equivalent.

• Experience with large-scale tenant environments (10,000+ users).

• Knowledge of Microsoft Purview, Graph API, and Conditional Access policies.

• Familiarity with ITIL practices and service management tools (e.g., ServiceNow).

About us We're a global team of innovators. Together, we harness engineering excellence and passion for insight to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can a make positive impact on their industries and society. If you believe that innovation can inspire the future, this is the place to fulfil your purpose and achieve your potential #LI SP

Championing diversity, equity, and inclusion

Diversity, equity, and inclusion (DEI) are integral to our culture and identity. Diverse thinking, a commitment to allyship, and a culture of empowerment help us achieve powerful results. We want you to be you, with all the ideas, lived experience, and fresh perspective that brings. We support your uniqueness and encourage people from all backgrounds to apply and realize their full potential as part of our team.

How we look after you

We help take care of your today and tomorrow with industry-leading benefits, support, and services that look after your holistic health and wellbeing. We're also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We're always looking for new ways of working that bring out our best, which leads to unexpected ideas. So here, you'll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with.

We're proud to say we're an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic. Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success.

---