Systems Specialist III

Proven IT is hiring a Systems Specialist III for its internal IT team. You will be a senior technical escalation point for issues that cross systems, networks, identity, security, and business applications. You will stabilize complex incidents, make sound changes to production systems, and help other specialists grow their troubleshooting skills.

This role combines hands-on support with engineering judgment. You will look beyond a single ticket to identify recurring causes, strengthen monitoring and recovery, and work with project, security, automation, and application teams to make our environment more reliable.

• Lead investigation and resolution of complex or high-impact incidents across servers, cloud services, identity, endpoints, networking, and critical applications. Keep stakeholders informed and coordinate clean handoffs.
• Administer and improve Windows server, virtualization, storage, backup, and recovery systems. Validate restores and address risks identified through monitoring, patching, and capacity reviews.
• Diagnose and implement network changes involving switching, wireless, firewalls, VPN, routing, VLANs, and connectivity between company locations. Work with carriers and vendors when needed.
• Support hybrid identity and Microsoft 365, including Active Directory, Entra , Exchange Online, access policies, integrations, and advanced account or mail-flow issues.
• Lead technical response to security alerts and suspected compromise in partnership with security staff. Use endpoint and log data to determine scope, contain risk, and document remediation.
• Design or improve endpoint-management and deployment processes, including Intune, Autopilot, application delivery, configuration, and patching.
• Build and maintain scripts or automations that remove repeat work, improve accuracy, and include appropriate testing, documentation, and change control.
• Contribute technical expertise to office openings, acquisitions, platform migrations, and application integrations while coordinating with the teams that own those programs.
• Set practical technical standards, maintain runbooks and diagrams, review significant changes, and mentor Systems Specialist I and II teammates through escalations and knowledge sharing.

• At least five years of progressive experience supporting and administering business IT infrastructure, with substantial hands-on work in both server and network environments.
• Advanced troubleshooting ability across Windows Server, Microsoft 365, Active Directory or Entra , virtualization, backup and recovery, and enterprise networking.
• Experience using Power Shell or another scripting language to automate repeatable administration and troubleshoot complex problems.
• Sound judgment during incidents and production changes, including risk assessment, communication, rollback planning, and escalation.
• A record of mentoring other technicians and producing documentation others can use.

• Fortinet firewalls or SD-WAN
• Ruckus switching and wireless
• Intune and Autopilot
• Crowd Strike or similar security tools
• cloud infrastructure
• business-application integrations
• multi-site environments
• Relevant Microsoft, Cisco, CompTIA, security, or vendor certifications are welcome
• Equivalent hands-on experience is valued

This role participates in scheduled support coverage and may require occasional after-hours or weekend work for incidents and planned changes. Travel to other Proven IT locations may be needed.

GROUP HEALTH INSURANCE: After a 30-day waiting period, full-time employees (who work at least 30 hours per week) and their dependents, are eligible to enroll in health benefits utilizing the Cigna network. Health options include a choice of 2 PPO plans or a High Deductible Health Plan with employer contributions to a Health Savings Account (HSA). In addition, Dental benefits are available through Mutual of Omaha as well as a Vision PPO plan utilizing the Eye Med network.

Proven also offers voluntary worksite benefits including critical illness, hospital indemnity, accident coverage, short-term disability insurance, supplemental life and pet insurance. Additional offerings include an employee discount program, home and auto insurance services and commuter/transit FSA.

EMPLOYER PROVIDED LIFE/AD&D INSURANCE: After a 30-day waiting period, Proven IT provides a flat $25,000 Life Insurance benefit, administered by Mutual of Omaha, to all full-time employees (who work at least…