Job Description

For immediate consideration, please connect with me on LinkedIn at and then email your resume, current location, availability, and compensation expectations directly to denis.potapenko@systemone.com - make sure to include the exact job title and job location in your email message.

We are seeking a Microsoft Systems Administrator ( Microsoft 365 Security Administrator ) to support, maintain, and secure Microsoft 365 environments. This role will administer Microsoft O365 and email security services, manage user and device access, endpoint management, and maintain security controls across the organization.

The ideal candidate will have strong experience with Microsoft 365 administration, Microsoft security technologies, identity and endpoint management.

Responsibilities :

- Configure and maintain Conditional Access Policies, multifactor authentication, and access controls.

- Administer Microsoft Intune for endpoint management, device compliance, application deployment, and updates.

- Monitor and manage Microsoft Defender security alerts and respond to security-related incidents.

- Support Microsoft Purview policies, including data protection, retention, and compliance requirements.

- Manage email security, respond to threats, and remediate vulnerabilities.

- Manage Windows endpoints and assist with Windows Server administration.

- Perform system monitoring, patch management, and vulnerability remediation.

- Maintain technical documentation and support IT projects and initiatives.

- Work with internal teams and vendors to ensure reliable and secure technology services.

Required Qualifications :

- Experience administering Microsoft 365 environments.

- Hands-on experience with: Microsoft Intune, Microsoft Defender, Microsoft Purview, Conditional Access Policies, Entra ID (Azure AD), Exchange Online and email security

- Experience managing Windows desktop environments and Microsoft cloud services.

- Knowledge of identity and access management, endpoint security, and Microsoft security best practices.

- Experience with Mimecast, Azure, or Windows Server administration.

- Experience supporting public sector, government, or regulated environments and knowledge of NIST, or other compliance frameworks.

- Microsoft certifications such as Microsoft 365 Administrator, Endpoint Administrator, Identity and Access Administrator, Security Operations Analyst or Azure Administrator

Why Join Us :

- Join a growing IT team supporting modern Microsoft technologies in an environment focused on security, operational excellence, and continuous improvement.

For immediate consideration, please connect with me on LinkedIn at and then email your resume, current location, availability, and compensation expectations directly to denis.potapenko@systemone.com - make sure to include the exact job title and job location in your email message.

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Ref: #404-IT Pittsburgh

System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

Job Tags

Local area, Immediate start

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