We are seeking a Senior System Engineer, with specific focus on M365, to play a key role in managing and advancing our client's virtual, cloud, and data center infrastructure. This position is responsible for maintaining critical systems that support business operations 24/7/365 while helping lead cloud migration efforts and infrastructure modernization initiatives.

This Senior Systems Engineer will have a strong focus on Entra/M365 and should have experience in conditional access, CIS/SCuBA compliance, Intune, hybrid join.

This position is a full-time/permanent opportunity with our client. This position is a hybrid opportunity (onsite 2-3 days per week in Portsmouth NH) and has a rotating on-call shift (1 week every 5 weeks)

Required Skills

- 7+ years of experience supporting enterprise infrastructure in a 24x7 environment.
- MUST HAVE Strong experience with Entra/M365 and should have experience in conditional access, CIS/SCuBA compliance, Intune, hybrid join.
- Extensive experience administering VMware environments, blade systems, and SAN technologies.
- Strong knowledge of Microsoft Windows Server administration and patch management.
- Experience supporting Microsoft 365, Office 365, Azure, and AWS environments.
- Experience managing virtual desktop infrastructure and enterprise monitoring platforms.
- Knowledge of data center operations, infrastructure management, and disaster recovery practices.
- Experience with configuration management and change control processes.
- Strong troubleshooting skills across server, storage, virtualization, and cloud technologies.
- Proficiency with scripting and automation tools such as PowerShell, Bash, or Python.