Senior Systems Engineer (Microsoft)

Post Date

Aug 03, 2026

Location

Irvine,
California

ZIP/Postal Code

92603
US
Oct 08, 2026 Insight Global

Job Type

Contract

Category

System Administrator

Req #

OCC-17ccfbf3-7c54-4b5c-9fb6-d9b93be5ff6a

Pay Rate

$50 - $62 (hourly estimate)

Job Description

A pharmaceutical client is seeking a Senior Microsoft Systems Engineer to lead the design, administration, optimization, and support of our enterprise Microsoft infrastructure. This individual will play a key role in managing our Microsoft ecosystem, cloud technologies, networking infrastructure, and virtual environments while ensuring the security, availability, and scalability of critical business systems.

The ideal candidate will have deep expertise across Microsoft 365, Azure, Windows Server environments, virtualization technologies, networking, and cloud platforms. This is a hands-on engineering role requiring both strategic thinking and technical execution and will be onsite in the Irvine office 2 days/week.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

10+ years of hands-on Systems Engineering or Infrastructure Engineering experience supporting enterprise Microsoft environments.
Strong Microsoft 365 administration experience, including Exchange Online, Teams, SharePoint, and Entra ID (Azure AD).
Advanced Azure experience, including administration of Azure Virtual Machines, networking, storage, and hybrid cloud environments.
Experience managing and supporting Windows Server infrastructure, Active Directory, Group Policy, DNS, and DHCP.
Strong virtualization experience with Azure VMs, VMware, Hyper-V, or other enterprise virtualization platforms.
Solid networking fundamentals including TCP/IP, routing, switching, VPNs, firewalls, DNS, and network troubleshooting.
Experience supporting hybrid cloud/on-prem infrastructure environments.
PowerShell scripting and automation experience.
Experience leading infrastructure projects, upgrades, migrations, and system implementations.
Strong troubleshooting, documentation, and communication skills with the ability to work independently.
Ability to work onsite in Irvine, CA two days per week

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.