Systems Specialist II: Endpoint + Identity & Security

Proven IT; Tinley Park (IL); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Group health insurance

Life/AD&D insurance

Long-Term Disability

401K with company match

Parental leave

On-site fitness center

Employee discount program

Job summary

Proven IT is hiring a Systems Specialist II for its internal IT team. You will own escalated employee support requests and keep the systems our teams use every day reliable and secure.

This role is hands-on and requires diagnosing issues across identity, Microsoft 365, endpoints, applications, servers, and networks, with clear communication and documented resolutions. You will collaborate with infrastructure, security, automation, and business applications colleagues to fix immediate problems

Qualifications

• At least four years of relevant IT support or systems administration experience.
• Experience administering Windows endpoints, Active Directory or Entra ID, and Microsoft 365 in a business environment.
• Ability to isolate a problem, test a fix, communicate status, and document the outcome.
• Good judgment around access, security, change control, backups, and when to expand.
• Strong written and verbal communication and a service mindset with employees at every level of the company.

Responsibilities

• Own support tickets from investigation through resolution, including prioritization, timely updates, accurate work notes, and a clear handoff when another team or vendor is needed.
• Administer employee accounts and access across Active Directory, Entra ID, Microsoft 365, and other business systems. Support onboarding, role changes, and offboarding with appropriate approvals and license cleanup.
• Troubleshoot Microsoft 365, email, collaboration tools, line-of-business applications, workstations, printers, and mobile devices.
• Support endpoint deployment and management, including device enrollment, application delivery, patching, and tools such as Intune and Autopilot.
• Maintain servers and core applications; review monitoring alerts, investigate recurring failures, and verify that backup jobs and recovery tests complete as expected.
• Troubleshoot common network issues involving DNS, DHCP, Wi-Fi, VPN, switching, and site connectivity. Work with senior engineers and vendors on more complex changes.
• Triage security events such as suspicious email, endpoint detections, and access issues; contain or elevate them according to team procedures.
• Support technology at company offices, including meeting-room equipment, copier and scan workflows, and physical-access systems when assigned.
• Write useful knowledge articles and runbooks, and coach less-experienced teammates through issues you have resolv

Skills

IT support

Systems administration

Active Directory / Entra ID

Microsoft 365

Network troubleshooting

Communication

Security awareness

Tools

Intune

Autopilot

PowerShell

Virtualization

Backup platforms

Job description

Proven IT is hiring a Systems Specialist II for its internal IT team. You will own escalated employee support requests and keep the systems our teams use every day reliable and secure.

This role is hands-on and requires diagnosing issues across identity, Microsoft 365, endpoints, applications, servers, and networks, with clear communication and documented resolutions. You will collaborate with infrastructure, security, automation, and business applications colleagues to fix immediate problems