IT Operations Leader

Robert
Casto

IT Operations Manager & Service Desk Leader

12+ Years Experience Global IT Operations ITIL Best Practices Seattle / Kenmore, WA
robertmcasto@gmail.com (480) 371-0029 linkedin.com/in/robert-casto

About

Professional Summary

Results-driven IT Operations Manager with 12+ years of progressive experience leading global help desk and IT operations teams. Proven track record of driving service excellence — improving SLA compliance from 76% to 96% — while scaling teams through rapid organizational growth (200 to 2,800 employees). Adept at managing cross-functional IT projects, procurement, and multi-regional operations across the US, Europe, and Australia. Skilled in aligning IT strategy with business objectives through ITIL best practices, KPI-driven performance management, and deep hands-on technical expertise.
12+
Years of Experience
96%
SLA Compliance Achieved
2,800
Employees Supported
4
Countries Managed

Career

Professional Experience

IT Operations Manager Jan 2025 — Present

Aircall  ·  Bellevue, WA

  • Serve as the go-to escalation expert for complex technical issues, providing expert support to both technical and non-technical stakeholders across a globally distributed workforce.
  • Lead the full IT onboarding/offboarding lifecycle, provisioning and deactivating access across all SaaS tools and platforms to ensure security and compliance.
  • Direct regional IT operations across the US, France, England, and Australia, ensuring alignment with global IT standards while addressing local needs and priorities.
Service Management Office Lead — ICT 2023 — 2025

Tessenderlo Kerley  ·  Phoenix, AZ

  • Elevated incident ticket SLA compliance from 76% to 96% within the first year, significantly improving end-user satisfaction and IT team credibility.
  • Delivered multiple enterprise IT projects on time and on budget, including AV infrastructure refresh, Windows 11 migration, and Zscaler secure access deployment.
  • Owned full-cycle IT procurement, managing both CapEx and OpEx budgets to ensure cost-effective technology investments and strong vendor relationships.
  • Scaled and managed a multi-site team across the US and Mexico, driving performance through coaching, process standardization, and clear accountability frameworks.
Help Desk Manager 2016 — 2022

Nextiva & SiteLock (UnitedWeb)  ·  Scottsdale, AZ

  • Scaled a global help desk team through 1,000%+ company growth — from 200 to 2,800 employees — hiring and developing talent across multiple countries.
  • Deployed and administered key enterprise platforms including Microsoft 365, Google Workspace, Atlassian (Jira/Confluence), Okta, and Mimecast.
  • Served as the primary escalation point for all critical incidents and high-priority service requests, ensuring rapid resolution and minimal business disruption.
  • Designed and tracked KPIs to measure team performance and maintain consistent SLA adherence, reporting results to senior leadership.
  • Led department budget planning and fiscal year expenditure forecasting, ensuring alignment with organizational financial goals.
System Administrator 2015 — 2016

UnitedWeb (Nextiva & SiteLock)  ·  Scottsdale, AZ

  • Provided desktop-level support including software installation, upgrades, and hardware diagnostics for a growing enterprise environment.
  • Installed and managed operating systems and end-user desktop applications, maintaining detailed ticket documentation and resolution records.
Level 2 Support Specialist Jan 2013 — 2015

Invaserv LLC (a Stateserv Company)  ·  Tempe, AZ

  • Procured, tracked, and maintained company software licenses, conducting regular audits to ensure licensing compliance and accuracy of the IT asset database.
  • Administered SaaS platforms, network infrastructure, Active Directory, security systems, and file servers for the organization.
  • Served as Project Manager for help desk migration (FogBugz to Zendesk), email migration (Exchange to Google Workspace), and Integra cloud firewall/MPLS deployment.
Level 1 Technical Support Specialist 2012 — 2013

Invaserv LLC (a Stateserv Company)  ·  Tempe, AZ

  • Delivered Tier 1 support for hardware and software issues across desktops, laptops, and mobile devices in a Microsoft Windows environment.
  • Troubleshot server/client applications and TCP/IP networking issues, preparing status reports and escalating critical issues to management.

Expertise

Technical Skills

IT Leadership & Operations
Help Desk Management ITIL ITSM Incident Management SLA / KPI Management Project Management Procurement Vendor Management IT Budgeting
Platforms & SaaS Tools
Microsoft 365 / Office 365 Azure Intune Entra ID Google Workspace Okta Zendesk Jira / Confluence ServiceNow SAP Zscaler Mimecast
Systems & Infrastructure
Active Directory PowerShell Windows Server File Server Admin TCP/IP CRM Administration Multi-protocol Systems
Soft Skills
Team Leadership Mentoring & Coaching Cross-functional Collaboration Problem Solving Multi-regional Operations