Senior IT Infrastructure and Systems Engineer - Network

Please note it is US HOURS - in UK you will be working 3:00 pm - 12:00 amIn Costa Rica it is 8:00am to 5:00pm - Design, implement, and support networks, servers, storage, telephony, and cloud infrastructure (AWS, Azure). - Lead projects for infrastructure upgrades, migrations (on-premise to cloud), and international expansion. - Serve as technical lead and escalation point, mentoring junior staff. - Manage vendors for hardware, software, and services. - Ensure security, compliance (SOX), and documentation standards are met. Personal Qualities - A self-sufficient, motivated professional who thrives in a fast-paced, high-growth environment. - Service-oriented with a customer-first mindset. - Strong communicator who can translate technical detail into business value. - Flexible, with the ability to adapt to after-hours project work. - Experienced in working within global 24x7 operations and regulated environments (SOX). - A natural mentor, eager to guide less experienced team members. - Bonus: background in healthcare, life sciences, pharma, or biotech.Technical Expertise - 8+ years of hands-on engineering experience with enterprise networks, servers, and storage systems. - Proven expertise with VMware (ESXi, vSphere, vCenter). - Strong skills in firewalls, switches, wireless infrastructure (physical and virtual). - Deep knowledge of Microsoft Server OS & Active Directory. - Solid experience with cloud computing and storage (AWS and Azure). - Experience delivering disaster recovery and business continuity solutions. - Proficiency with Microsoft 365 collaboration suite (Teams, SharePoint, OneDrive, Exchange Online). - Scripting skills to automate and optimize infrastructure management. - Familiarity with patch management, monitoring tools, and ITIL frameworks. - Linux knowledge is a plus.Education & Certifications - Degree in Information Systems or a related field (AA minimum) – or equivalent hands-on experience. - Certifications preferred: - Cisco (CCNA/CCNP) - Microsoft O365 - Windows Server - Networking certifications