Senior Systems Administrator

Role Summary

As a Senior Systems Administrator, you will oversee and support both the corporate on-premises infrastructure and business-critical cloud platforms, with a strong emphasis on device management and security using Microsoft Intune. You will ensure the reliability, security, and efficiency of all IT services, operating in a 24x7 environment with off-hours support as needed.

Responsibilities

• Manage and maintain our corporate infrastructure, including Office 365, Azure, AWS, and essential on-premises systems.
• Administer and support Windows Servers, Active Directory, Azure AD, and Microsoft Intune for comprehensive device management and security.
• Ensure the operational status and security of all IT environments, including VMware, and other cloud-native or on-premises virtualization platforms.
• Oversee daily operations such as cloud and local backup solutions, antivirus management, performance tuning, security updates, and configuration/patch management, with a focus on Veeam backup solutions for cloud and on-premises deployments.
• Implement and enforce robust cloud and on-prem security policies, including data access controls, IAM, and multi-factor authentication (MFA).
• Deploy and manage devices using Microsoft Intune, adhering to corporate policies and security standards across cloud and on-premises frameworks.
• Develop and implement comprehensive device management strategies encompassing mobile device management (MDM), mobile application management (MAM), and endpoint protection for a hybrid IT landscape.
• Coordinate and manage software and hardware upgrades, ensuring compliance with corporate and security standards across diverse environments.
• Monitor and optimize costs and performance for both cloud services and on-premises deployments, making informed recommendations for efficiency improvements.
• Troubleshoot and resolve issues related to SaaS applications, cloud infrastructure, Intune, Veeam backup solutions, and on-premises systems, ensuring high availability and performance.
• Develop, update, and maintain system and procedural documentation for both cloud and on-premises infrastructure alongside device management processes.
• Collaborate with cross-functional teams to support business operations, ensuring systems and devices are aligned with evolving business needs and offer seamless integration and support.
• Lead and participate in disaster recovery planning, testing, and execution across all IT platforms.
• Mentor and guide junior administrators, promoting a culture of continuous learning and improvement within a hybrid IT environment.
• Perform other functions and duties as required.

Qualifications

• 6+ years of experience in a Systems Administrator role, with extensive experience managing both cloud/SaaS and on-premises infrastructure.
• Deep expertise in cloud platforms such as Azure, AWS, or Google Cloud, alongside significant experience with on-premises systems.
• Proficiency in managing and securing Office 365 environments, including Exchange Online, SharePoint, and Teams, as well as on-premises equivalents.
• Conversant in network troubleshooting and basic Palo Alto Firewall administration.
• Strong understanding and hands-on experience with Windows Server, Active Directory, Azure AD, and Microsoft Intune.
• Proven capability with Intune for device management, including MDM, MAM, and endpoint protection.
• Robust knowledge of virtualization technologies such as VMware, Hyper-V, and other relevant on-premises or cloud-native solutions.
• Experienced in implementing and managing Veeam backup solutions across hybrid IT environments.
• Experience with implementing cloud and on-premises security best practices, including IAM, MFA, and data protection.
• Familiarity with cloud cost management tools and strategies and on-premises resource allocation and efficiency.
• Relevant certifications or related experience such as Microsoft Certified: Azure Administrator Associate, Microsoft Certified: Security, Compliance, and Identity Fundamentals, Microsoft Certified: Modern Desktop Administrator Associate, CompTIA Security+, VMware Certified Professional (VCP), or AWS Certified Solutions Architect–Associate are highly desirable.
• Ability to work effectively in a team environment, inspiring productivity and collaboration among teammates.
• Excellent problem-solving skills and strong communication skills, essential for managing diverse IT environments and stakeholder expectations.

Education

• Microsoft Certified: Azure Administrator Associate
• Microsoft Certified: Security, Compliance, and Identity Fundamentals
• Microsoft Certified: Modern Desktop Administrator Associate
• CompTIA Security+
• VMware Certified Professional (VCP)
• AWS Certified Solutions Architect – Associate