Systems Engineer, O365

A Day at MKS
We are seeking a skilled Microsoft 365 Support Engineer to provide technical support, administration, and troubleshooting for Microsoft 365 services. The ideal candidate will ensure high availability, security, and optimal performance of M365 applications while delivering excellent end-user support.

Key Responsibilities

• Provide L2/L3 support for Microsoft 365 services including Exchange Online, SharePoint Online, OneDrive, Teams, and Azure AD.
• Troubleshoot and resolve issues related to email flow, mailbox management, Teams collaboration, and M365 applications
• Manage user accounts, licenses, and security settings in Microsoft Entra ID (Azure AD)
• Configure and maintain mail flow, transport rules, retention policies, and compliance features
• Support hybrid environments (On-Prem Exchange + Exchange Online)
• Monitor service health and respond to incidents and outages
• Perform root cause analysis and implement preventive measures
• Create and maintain technical documentation and SOPs
• Work with Microsoft Support for escalations when required
• Ensure adherence to security and compliance standards
  
  Required Skills & Qualifications
• Strong hands-on experience with Microsoft 365 administration
• Expertise in Exchange Online (mailbox management, mail flow, troubleshooting)
• Good knowledge of Teams, SharePoint Online, OneDrive
• Experience with Azure AD / Entra ID, MFA, Conditional Access
• Understanding of PowerShell for M365 administration
• Familiarity with Microsoft Defender, Compliance Center, Intune(perferred)
• Experience in ITSM tools (ServiceNow, Jira, etc.)
• Strong troubleshooting and communication skills
  
  Education & Experience
• Bachelor’s degree in IT, Computer Science, or related field (preferred)
• 2–5 years of experience in M365 / Cloud Support roles
• Microsoft certifications (MS-900, MS-102, or equivalent) are a plus
  
  Soft Skills
• Strong customer-focused mindset
• Ability to work independently and in a team
• Excellent documentation and communication skills
• Willingness to work in shifts or on-call support if required

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Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to various export control regulations.  Applicants for these positions may be limited (by, for example, their countries of citizenship, country of origin, or immigration status) where required by law or governmental contact, and/or employment made contingent upon the issuance of appropriate governmental licensing.

MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies.  MKS is generally only hiring candidates who reside in states where we are registered to do business.

MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: accommodationsatMKS@mksinst.com .

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