Lucas Jdniyczuk

Lead IT Infrastructure Support Specialist @ Kadesh Calçados Profissionais

About

Experienced IT professional with 4 years of progressive experience, transitioning from IT Assistant to IT Operations Supervisor. Proven track record in designing, deploying, and managing robust, secure, and scalable IT infrastructure solutions for mission-critical enterprise systems (on-premise and cloud). Expert at optimizing system performance, reducing operational costs, and ensuring high availability and business continuity in complex environments. My approach combines strong infrastructural foundations with modern Cloud and DevOps practices to deliver measurable business results.Core Competencies:IT Infrastructure & Systems Administration: Advanced Windows/Linux Server management, Active Directory, Networking (TCP/IP, DNS, VPN, Firewalls), Hardware, Virtualization (Hyper-V/VMware), Endpoint Management.Cloud & Modernization: Migrating and managing production workloads in AWS. Cloud governance, cost optimization.IT Operations & Technical Leadership: Proven ability to lead modernization projects, migrations, and integrations. Incident management, SLA compliance, cross-functional team leadership.Cybersecurity: Implementation of advanced security controls, threat monitoring, access control (Entra ID). Currently preparing for ISC2 Certified in Cybersecurity (CC).

Country

Brazil

City

Imbituva

Industry

Information Technology & Services

Skill

Administração do Office 365, Office 365, Troubleshooting, PowerShell Scripting, Customer Service, ITIL Foundation, Enterprise Resource Planning (ERP), Hardware Troubleshooting, Windows Server Administration, Server Monitoring & Alerting, Disaster Recovery & Backup, SQL Server Administration, Network Administration, IT Infrastructure Management, Technical Support, DevOps, Docker, ADVPL, Microsoft SQL Server, Amazon Web Services

Experience

Lead IT Infrastructure Support Specialist

Kadesh Calçados Profissionais

2023-4 - Present · 3 yrs 6 mos

Имбитува, PR

Leading IT infrastructure and operations for a manufacturing environment, ensuring high availability and security for critical business systems. Managing a cross-functional team and spearheading modernization projects to drive operational efficiency. Key Achievements & Responsibilities: -Infrastructure Management: Oversees and optimizes the performance of on-premise and cloud-based server environments, maintaining a 99.9% uptime for mission-critical Enterprise Resource Planning (ERP) systems. -Project Leadership: Led the end-to-end migration of legacy infrastructure to modern cloud workloads (AWS), resulting in a 20% reduction in operational costs. -Cybersecurity & Compliance: Implemented advanced security protocols and endpoint protection, reducing vulnerability risks and ensuring data integrity across the organization. -Team Leadership: Mentors and supervises a technical team, establishing KPIs and SLAs that improved internal support response times by 25%. -Strategic Planning: Collaborates with senior management to align IT investments with business goals, managing the hardware/software lifecycle and procurement.

Support Analyst

Kadesh Calçados Profissionais

2021-9 - 2023-4 · 1 yr 8 mos

Имбитува, PR

Provided comprehensive Tier 1 & Tier 2 technical support, transitioning into infrastructure management and security optimization. Key Achievements & Responsibilities: -Technical Support: Resolved 50+ complex technical tickets weekly involving hardware, software, and network connectivity, maintaining high user satisfaction ratings. -Systems Administration: Managed user accounts, permissions, and security groups via Active Directory (AD) and Microsoft Entra ID. -Infrastructure Support: Assisted in the maintenance of local servers and network equipment (switches, firewalls, and VPNs), ensuring stable connectivity for remote and on-site users. -Continuous Improvement: Developed automated scripts (PowerShell/SQL) to streamline routine maintenance tasks, saving approximately 10 manual hours per month. -Security Awareness: Contributed to the deployment of web security and antivirus solutions, bolstering the first line of defense against phishing and malware.