Adriana Rosario Senior IT Manager
Milwaukee, WI • adriana.rosario@gmail.com • +1 414-555-0137
Profile Summary
- Senior IT Manager with 12 years of experience leading IT operations and support for a theatre and hotel group and a motorcycle manufacturer, focused on service quality, cloud moves, and IT spend.
- Owns the stack across service management (ServiceNow, ITIL 4), identity (Microsoft Entra ID, Okta), endpoints (Microsoft Intune, Jamf Pro), cloud (Microsoft Azure), security (CrowdStrike Falcon, KnowBe4), and projects and reporting (Jira, Power BI), with a solid grounding in budgets, contracts, and vendor management.
- Deep experience in service desk turnarounds, Windows 11 fleet refreshes, VMware exit planning, and PCI DSS audit readiness, following ITIL change management and quarterly business reviews to deliver IT the business trusts and can plan a budget around.
- Works closely with the CFO, the COO, HR, theatre and hotel general managers, and the security team in a company of 90+ sites with a lean central IT team, from timing a cutover around opening weekends to presenting the yearly IT budget to the leadership team.
- Leads 14 people across the service desk, infrastructure, and field support, coaches team leads on ITIL problem management and vendor escalations, and chairs the weekly change advisory board.
Technical Skills
- IT Service Management:
- ServiceNow, ITIL 4, SLA Management, Change Management, CMDB, Knowledge Management
- Identity & Productivity:
- Microsoft 365, Active Directory, Microsoft Entra ID, Okta, Single Sign-On, MFA, Exchange Online
- Endpoint Management:
- Microsoft Intune, Jamf Pro, Windows Autopilot, Microsoft Configuration Manager, BitLocker
- Infrastructure & Cloud:
- Microsoft Azure, VMware vSphere, Microsoft Hyper-V, Veeam, Cisco Meraki, Fortinet FortiGate
- Security & Compliance:
- CrowdStrike Falcon, KnowBe4, Microsoft Defender for Office 365, PCI DSS, NIST CSF
- Budget & Procurement:
- IT Budgeting (CapEx and OpEx), Vendor Negotiation, Contract Renewals, License Management, MSP Management
- Project & Reporting Tools:
- Jira, Smartsheet, Power BI, Confluence, Excel
Education
Work Experience
- Rebuilt an IT team of 14 across the service desk, infrastructure and field support with structured interviews, written career paths and weekly 1:1s, promoting help desk technicians into systems roles and cutting yearly turnover from 24% to 7%.
- Moved the service desk from shared inboxes to ServiceNow with ITIL 4 incident, request and change practices, a self-service knowledge base and SLAs per site, raising first-contact resolution for 8,000 theatre and hotel staff from 48% to 73%.
- Owned uptime for ticketing, point-of-sale and hotel booking systems at 90+ sites, replacing aging branch routers with Cisco Meraki SD-WAN and adding Veeam backups with twice-yearly recovery tests, raising opening-weekend uptime from 99.2% to 99.95%.
- Put MFA and Conditional Access on every account in Microsoft Entra ID, CrowdStrike Falcon on every endpoint and monthly KnowBe4 phishing tests, and owned the IT evidence for the yearly PCI DSS assessment, which closed with 0 IT findings two years running.
- Built and held a $9.4M IT budget across CapEx and OpEx, renegotiated the Microsoft and Cisco renewals, cut unused SaaS licenses and moved after-hours support to a managed service provider under SLA, lowering IT spend per employee by 18% in 2 years.
- Led the Windows 11 refresh of 3,100 office, box office and front desk devices with Windows Autopilot and Microsoft Intune, in site-by-site waves tracked in Smartsheet, finishing 6 weeks before Windows 10 end of support with no theatre or hotel downtime.
- Wrote the 3-year IT roadmap the executive team signed off, replacing one-off department tools with company standards and planning the move from VMware vSphere to Microsoft Azure before the renewal, shrinking the business app portfolio from 63 to 38.
- Set up quarterly business reviews with the CFO, COO and division leaders, reporting service levels, risks and spend in Power BI and announcing every rollout in plain words before it started, raising the yearly IT satisfaction score from 3.4 to 4.5 out of 5.
- Supervised 6 service desk analysts supporting 3 US plants and the Milwaukee headquarters in ServiceNow, cutting the average time to resolve a plant floor ticket from 9 hours to 3.5 hours.
- Ran the Microsoft Intune rollout to 2,600 laptops and plant floor tablets, replacing manual imaging and cutting new hire laptop setup from 2 days to 4 hours.
- Audited software licenses across the plants and offices with Flexera, removed unused seats and moved low-use teams to cheaper license tiers, saving $240,000 a year.