Senior System Administrator
Lean Tech
Full-time
Remote
Worldwide
Company Overview:
Lean Tech is a rapidly expanding organization situated in Medellín, Colombia. We pride ourselves on possessing one of the most influential networks within software development and IT services for the entertainment, financial, and logistics sectors. Our corporate projections offer many opportunities for professionals to elevate their careers and experience substantial growth. Joining our team means engaging with expansive engineering teams across Latin America and the United States, contributing to cutting-edge developments in multiple industries.
Position Title: Mid Office 365 System Administrator
Location: Remote (LATAM)
What you will be doing:
We are seeking a highly experienced and strategic Mid Microsoft 365 (M365) System Administrator to architect, govern, and maintain our global M365 environment. This role is responsible for ensuring the security, stability, compliance, and optimal performance of all M365 services, including Exchange Online, SharePoint, Teams, and Azure Active Directory (Azure AD/Entra ID). The successful candidate will act as a subject matter expert (SME) and lead complex projects, migrations, and security initiatives.
- Serve as the final authority on M365 configuration and security best practices.
- Design and implement governance policies for Teams, SharePoint Online, and OneDrive to ensure efficient usage and data protection.
- Design, implement, and enforce advanced security policies, including Conditional Access, Multi-Factor Authentication (MFA), Data Loss Prevention (DLP), and advanced threat protection across Exchange Online and SharePoint.
- Develop and maintain complex PowerShell and Graph API scripts to automate bulk user management, reporting, license optimization, and deployment tasks.
- Provide Tier 2-3 (expert level) support for critical system issues, including complex email flow problems, authentication failures, and performance bottlenecks within SharePoint or Teams.
- Lead large-scale M365 projects, such as tenant-to-tenant migrations, Exchange hybrid deployments, and the rollout of new services like Microsoft Intune (endpoint management).
- Evaluate and integrate third-party tools (e.g., security monitoring, backup solutions) to enhance the M365 ecosystem.
Requirements & Qualifications:
To excel in this role, you should possess:
- Min 5+ years of dedicated experience administering Microsoft 365 in an enterprise environment.
- Expert command of the Microsoft 365 Admin Center and individual admin portals:
- Advanced mail flow rules, eDiscovery, message tracing, and retention policies.
- Site collection governance, external sharing controls, and data lifecycle management for SharePoint Online & OneDrive.
- Configuration of security policies, voice settings, and external access for Microsoft Teams.
- Deep, practical experience with administering Conditional Access Policies, Privileged Identity Management (PIM), and single sign-on (SSO) integration.
- Demonstrated experience implementing and auditing DLP and eDiscovery cases within the Microsoft Purview Compliance portal.
Nice to have:
- Certification such as Microsoft 365 Certified: Enterprise Administrator Expert (MS-102) or Microsoft 365 Certified: Security Administrator Associate (MS-500).
- Experience with Microsoft Intune for mobile device management (MDM) and mobile application management (MAM).
- Familiarity with network protocols, firewall configurations, and proxy settings as they relate to M365 connectivity.
- Prior experience leading a large-scale tenant migration or acquisition project.
Soft Skills:
- Effective communication skills to articulate complex technical concepts clearly, ensuring alignment across multidisciplinary teams.
- Strong problem-solving skills to proactively identify issues within automation processes and develop efficient solutions.
- Adaptability and openness to learning, crucial for staying updated with industry trends and adopting new low-code/no-code technologies effectively.
- Time management skills to prioritize tasks and manage multiple projects simultaneously, ensuring timely delivery and high-quality outcomes.
Why you will love Lean Tech:
- Join a powerful tech workforce and help us change the world through technology.
- Professional development opportunities with international customers.
- Collaborative work environment.
- Career path and mentorship programs that will lead to new levels.
Join Lean Tech and contribute to shaping the data landscape within a dynamic and growing organization. Your skills will be honed, and your contributions will be vital to our continued success. Lean Tech is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.