Systems Administrator

• Serve as the primary administrator for client’s network infrastructure, cloud services, identity platforms, and endpoint management environment.

• Manage and support a hybrid IT environment serving approximately 200 corporate employees and a large temporary/contract workforce across multiple locations.

• Ensure the availability, performance, security, and scalability of network, server, collaboration, and communications systems.

• Administer Microsoft 365, Microsoft Entra ID, Intune, RingCentral, and core infrastructure technologies to support secure and efficient business operations.

• Provide advanced technical support, drive continuous improvement initiatives, and help maintain a strong security posture across the organization.

• Partner with internal stakeholders, vendors, and technology providers to deliver infrastructure enhancements, upgrades, and operational excellence.

Responsibilities

• Design, implement, maintain, and support network infrastructure including servers, virtualization, storage, switches, routers, firewalls, and VPN technologies.

• Monitor network performance, availability, and capacity, proactively identifying and resolving issues before they impact business operations.

• Manage hybrid network connectivity, remote access solutions, and multi-site infrastructure requirements.

• Administer Microsoft Entra ID, including user lifecycle management, group administration, conditional access policies, and multi-factor authentication.

• Manage Microsoft Intune for device enrollment, endpoint security, compliance policies, application deployment, and mobile device management.

• Support and enforce security standards, policies, procedures, backups, endpoint protection, and incident response activities.

• Administer Microsoft 365 services including Exchange Online, Teams, SharePoint Online, and OneDrive.

• Support and manage RingCentral telephony services, including user provisioning, call routing, auto attendants, and call queues.

• Assist with system migrations, upgrades, platform optimizations, and technology refresh initiatives.

• Provide Tier 2/3 support for network, system, hardware, software, identity, and endpoint-related issues.

• Manage IT asset inventory, lifecycle tracking, procurement support, and equipment deployment.

• Develop and implement process improvements that enhance operational efficiency, security, and end-user experience.

• Train and support employees on new technologies, tools, and best practices.

• Collaborate with vendors, contractors, and business stakeholders to deliver technology projects and ongoing support.

• Ensure compliance with company policies, procedures, and security requirements while promoting a culture of continuous improvement.

• Minimum of 5 years of hands-on experience in network administration, systems administration, identity/security management, and/or enterprise user support.

• Strong working knowledge of Microsoft Entra ID / Azure AD, Microsoft 365 administration, and modern endpoint management (preferably Intune).

• Experience with virtualization (Hyper-V preferred), Windows Server, and firewall/VPN technologies (SonicWall or equivalent).

• Demonstrated ability to troubleshoot complex network, identity, and desktop issues with high attention to detail and prioritization skills.

• Excellent interpersonal skills: patience, tact, professionalism, and diplomacy when working with users under pressure or in time-sensitive situations.

• Ability to work independently with minimal supervision, read and follow detailed technical documentation, and communicate clearly in English (verbal and written).

• High school diploma, GED, or equivalent required; associate’s or bachelor’s degree in IT, Computer Science, or related field preferred.

• Valid driver’s license and acceptable DMV record; ability to pass pre-employment and random drug screens; willingness to travel within the Company’s geographic footprint as needed.

Preferred:

• Relevant certifications (e.g., Microsoft AZ-104, MS-102, SC-300, CompTIA Network+/Security+, SonicWall, RingCentral, or equivalent).

• Hands-on experience with RingCentral or similar UCaaS platforms.

• Experience supporting multi-location or hybrid workforces and temporary/contractor populations.

• Prior experience in a staffing, professional services, or multi-client environment is a plus., All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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