Senior Systems Administrator

The Phoenix Group®; United States; Sur place; USD 110 000 - 150 000; Plein temps

Résumé du poste

The Phoenix Group Advisors seeks a seasoned Systems Administrator to maintain and optimize a Microsoft-based infrastructure, support end-user technology, and partner with senior stakeholders to keep operations secure and reliable in a demanding legal and financial technology environment.

This senior role covers identity and access controls, software deployment, server management, virtualization (VMware), and high-availability operations, with emphasis on proactive monitoring and documentation.

Qualifications

• 10+ years of systems administration experience in legal, corporate, or professional services.
• Extensive hands-on with Entra ID, Azure AD, Intune, AD, M365, and Exchange Online.
• Proven packaging, deployment, endpoint management, and Windows imaging.
• Strong Windows Server administration and VMware expertise.
• Experience with legal tech platforms is a plus.

Responsabilités

• Serve as a senior escalation point for complex workstation, application, system, and infrastructure issues, ensuring minimal downtime and rapid resolution.
• Administer and configure Microsoft Entra ID / Azure Active Directory, managing user accounts, permissions, groups, and access controls.
• Manage Microsoft Intune for device enrollment, configuration, application packaging, deployment, policy enforcement, and endpoint imaging/provisioning.
• Support Active Directory, Group Policy, and related identity management services, including account creation, permission management, and security policies.
• Administer and troubleshoot Microsoft 365 and Exchange Online, managing mailboxes, distribution groups, permissions, and email client configurations.
• Package, test, and deploy software applications across Windows environments, maintaining application lifecycle and deployment consistency.
• Oversee Windows Server administration, including patching, permissions management, system monitoring, and troubleshooting.
• Support virtualized environments and related technologies, including VMware, to ensure scalability and high availability.
• Perform operational monitoring, perform routine maintenance, and proactively manage endpoints, servers, and core systems.
• Troubleshoot complex issues involving Windows OS, networking, authentication protocols, applications, and system performance.
• Partner with infrastructure and security teams on system upgrades, migrations, and new technology deployments.
• Maintain comprehensive technical documentation, configuration procedures, and system inventories.
• Support legal technology platforms such as document management, review, and imaging tools (e.g., iManage, Litera, Kofax, Adobe Acrobat).
• Utilize remote management tools, including NinjaOne, for proactive system oversight and support.

Connaissances

Senior IT experience

Windows troubleshooting

Endpoint management

Security mindset

Outils

Microsoft Entra ID / Azure AD

Intune

Active Directory

Microsoft 365 / Exchange Online

VMware

NinjaOne

iManage

Litera

Kofax

Adobe Acrobat

Description du poste

A dynamic opportunity to support a prominent professional services organization with a robust IT environment awaits a highly skilled Systems Administrator. This role offers a chance to manage critical infrastructure and collaborate with senior stakeholders to ensure seamless operations across a demanding legal and financial technology landscape.

Role Overview

The Systems Administrator is a senior-level technical expert responsible for maintaining and optimizing the organization’s Microsoft-based infrastructure, supporting end-user technology, and ensuring operational integrity. This role involves escalated troubleshooting, endpoint management, identity and access control, software deployment, and light infrastructure support within a high-availability environment.

Key Responsibilities

• Serve as a senior escalation point for complex workstation, application, system, and infrastructure issues, ensuring minimal downtime and rapid resolution.
• Administer and configure Microsoft Entra ID / Azure Active Directory, managing user accounts, permissions, groups, and access controls.
• Manage Microsoft Intune for device enrollment, configuration, application packaging, deployment, policy enforcement, and endpoint imaging/provisioning.
• Support Active Directory, Group Policy, and related identity management services, including account creation, permission management, and security policies.
• Administer and troubleshoot Microsoft 365 and Exchange Online, managing mailboxes, distribution groups, permissions, and email client configurations.
• Package, test, and deploy software applications across Windows environments, maintaining application lifecycle and deployment consistency.
• Oversee Windows Server administration, including patching, permissions management, system monitoring, and troubleshooting.
• Support virtualized environments and related technologies, including VMware, to ensure scalability and high availability.
• Perform operational monitoring, perform routine maintenance, and proactively manage endpoints, servers, and core systems.
• Troubleshoot complex issues involving Windows OS, networking, authentication protocols, applications, and system performance.
• Partner with infrastructure and security teams on system upgrades, migrations, and new technology deployments.
• Maintain comprehensive technical documentation, configuration procedures, and system inventories.
• Support legal technology platforms such as document management, review, and imaging tools (e.g., iManage, Litera, Kofax, Adobe Acrobat).
• Utilize remote management tools, including NinjaOne, for proactive system oversight and support.

Core Qualifications & Requirements

• 10+ years of experience in Systems Administration, Infrastructure Support, or senior-level IT support within a legal, corporate, or professional services setting.
• Extensive hands-on expertise with Microsoft Entra ID, Azure AD, Intune, Active Directory, Microsoft 365, and Exchange Online.
• Proven experience with application packaging, software deployment, endpoint management, and Windows imaging/provisioning.
• Solid understanding of Windows Server administration, including patching, permissions, and virtualization technologies like VMware.
• Advanced troubleshooting skills across endpoints, systems, networks, and applications.
• Experience supporting highly available, client-focused IT environments.
• Familiarity with legal technology platforms (iManage, Litera, Kofax, Adobe Acrobat) is a plus.
• Ability to work independently with minimal supervision while collaborating effectively with support and infrastructure teams.

Nice-to-Have Qualifications

• Experience with remote monitoring and management tools such as NinjaOne.
• Prior law firm or professional services firm experience demonstrating familiarity with legal workflows.
• Stable employment history indicating good tenure and career progression.

Core Technical Skills

• Microsoft Entra ID / Azure AD / Azure Active Directory
• Microsoft Intune / Endpoint management / Application deployment
• Active Directory & Group Policy
• Microsoft 365 / Exchange Online / Email management
• Windows Server / Virtualization (VMware)
• Application packaging and Windows imaging
• Network troubleshooting and infrastructure support
• Remote management tools (NinjaOne)
• Legal tech platforms support (iManage, Litera, Kofax, Adobe Acrobat)

Career Impact

Join a high-caliber organization where your expertise ensures the stability, security, and efficiency of mission-critical legal and professional services technology.

The Phoenix Group Advisors is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace and prohibit discrimination and harassment of any kind based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. We strive to attract talented individuals from all backgrounds and provide equal employment opportunities to all employees and applicants for employment.