M365 Security Engineer

Job Description

M365 Security Engineer - JD

We are seeking an experienced M365 Security Engineer to design, implement, and maintain security controls across our Microsoft 365 environment. This role will be responsible for protecting our organization's cloud-based infrastructure, ensuring compliance with security policies, and responding to security incidents affecting Microsoft 365 services. The ideal candidate will have deep technical expertise in Microsoft security technologies and a strong understanding of enterprise security best practices.

M365 security is a critical initiative for Vertiv. The position requires the applicant to act like an owner. They are expected to take initiative, build and document processes, engage with business stakeholders. It will be required to work across multiple departments and business units to provide oversight and guidance to each business use case.

Key Responsibilities

As an M365 Security Engineer , you will implement and manage security solutions across our Microsoft 365 ecosystem, including Entra, Exchange Online, SharePoint, Teams, Purview, and related services. You will implement and maintain Microsoft Defender suite products including Defender for Endpoint, Defender for Office 365, and Defender for Cloud Apps, working to detect and respond to security threats across our environment.

Your role will include managing identity and access management through Entra, implementing conditional access policies, managing privileged access, and integrating with our enterprise identity solution Entra. You will be responsible for configuring and maintaining Data Loss Prevention (DLP) policies, information protection and governance solutions, and ensuring sensitive data is properly classified and protected throughout its lifecycle.

Security monitoring and incident response will be central to your work. You will configure and tune security alerts, investigate suspicious activities, conduct threat hunting exercises, and coordinate response efforts for security incidents affecting M365 services. This includes working with Microsoft Purview for compliance monitoring, audit log analysis, and eDiscovery when needed for investigations.

You will collaborate with security operations, compliance teams, and application owners to ensure security controls are properly implemented without disrupting business operations. This includes evaluating new M365 features for security implications, participating in architecture reviews, and providing guidance on secure configuration practices.

Required Experience & Qualifications

Technical is required, as is familiarity with SIEM platforms and security monitoring tools. You should have.

Additional experience with enterprise security tools including would be advantageous. Knowledge of regulatory compliance requirements such as GDPR, HIPAA, or PCI-DSS and experience with security automation and orchestration tools or SOAR platforms would strengthen your candidacy.

• Degree in Engineering, Computer Science or a related discipline. Equivalent combination of course work and job experience
• 4-6 years’ experience working in an information security discipline
• 2-3 years’ experience working in M365 security administration
• Strong technical knowledge of Microsoft 365 security architecture
• Experience with Microsoft Defender suite, Entra security features, and Microsoft Purview compliance solutions
• Implementation and management experience around identity and access management solutions, including multi-factor authentication, conditional access policies, and privileged identity management
• Ability to conduct security assessments and implement remediation plans
• Strong proficiency with PowerShell scripting for automation and security management
• Experience and proficiency utilizing git for SCM
• Direct involvement with security incident response processes and demonstrated ability to analyze security logs and identify threats
• Excellent written and verbal communication skills with the ability to present complex technical information in a clear and concise manner to a variety of audiences
• Experience working with on-site and off-site development teams, coordinating work, expectations, and delivery.
• Experience with O365 and integrating with Azure
• Cloud security posture management (CSPM) experience
• Vulnerability management, detection, and remediation
• Cloud Detection and Response CDR
• Understanding of security frameworks and compliance requirements such as NIST, ISO 27001, SOC 2
• Strong understanding of manufacturing domain preferred
• Understanding of web application firewalls, endpoint protection platforms, and vulnerability management solutions

Critical Skills & Attributes

• Possesses and demonstrates curiosity
• Ability to proactively identify opportunities for process and efficiency improvements
• Demonstrates excellent communication skills to both technical and non-technical personnel
• Demonstrate strong analytical and problem-solving skills with the ability to investigate complex security issues
• Possess the art of negotiation to drive to end state needs
• Ability to clearly articulate and drive alignment across multiple teams and departments
• Ability to create and describe project estimations with assumptions and risks
• Ability to work in a fast-paced environment while managing multiple responsibilities
• Executes with limited to no supervision; self-motivated and self-directed
• Commitment to continuous learning and staying current with evolving security threats and Microsoft platform updates

Beneficial Certifications

• Microsoft 365 Certified: Security Administrator Associate (MS-500)
• Microsoft Certified: Security Operations Analyst Associate (SC-200)
• Microsoft Certified: Identity and Access Administrator Associate (SC-300)
• Azure Security Engineer Associate (AZ-500)
• Microsoft Certified: Cybersecurity Architect Expert (SC-100)
• Security+ (CompTIA)
• CCSP (ISC 2 )

The successful candidate will embrace Vertiv’s Core Principals & Behaviors to help execute our Strategic Priorities.

OUR CORE PRINCIPALS

: Safety. Integrity. Respect. Teamwork. Diversity & Inclusion.

OUR STRATEGIC PRIORITIES

• Customer Focus
• Operational Excellence
• High-Performance Culture
• Innovation
• Financial Strength

OUR BEHAVIORS

• Own It
• Act With Urgency
• Foster a Customer-First Mindset
• Think Big and Execute
• Lead by Example
• Drive Continuous Improvement
• Learn and Seek Out Development

About Vertiv

Vertiv is a $8.0 billion global critical infrastructure and data center technology company. We ensure customers’ vital applications run continuously by bringing together hardware, software, analytics and ongoing services. Our portfolio includes power, cooling and IT infrastructure solutions and services that extends from the cloud to the edge of the network. Headquartered in Columbus, Ohio, USA, Vertiv employs around 20,000 people and does business in more than 130 countries. Visit Vertiv.com to learn more.

Work Authorization

No calls or agencies please. Vertiv will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

Equal Opportunity Employer

Vertiv is an Equal Opportunity/Affirmative Action employer. We promote equal opportunities for all with respect to hiring, terms of employment, mobility, training, compensation, and occupational health, without discrimination as to age, race, color, religion, creed, sex, pregnancy status (including childbirth, breastfeeding, or related medical conditions), marital status, sexual orientation, gender identity / expression (including transgender status or sexual stereotypes), genetic information, citizenship status, national origin, protected veteran status, political affiliation, or disability. If you have a disability and are having difficulty accessing or using this website to apply for a position, you can request help by sending an email to [email protected].

About The Team

Work Authorization

No calls or agencies please. Vertiv will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

Equal Opportunity Employer

We promote equal opportunities for all with respect to hiring, terms of employment, mobility, training, compensation, and occupational health, without discrimination as to age, race, color, religion, creed, sex, pregnancy status (including childbirth, breastfeeding, or related medical conditions), marital status, sexual orientation, gender identity / expression (including transgender status or sexual stereotypes), genetic information, citizenship status, national origin, protected veteran status, political affiliation, or disability.