Work Experience
DevOps / Systems Engineer
Duration: 2024 - 2025
Summary:DevOps and infrastructure automation focused on CI/CD, virtualization migrations, backup systems, and operational reliability.
Responsibilities:
- Built and maintained Azure DevOps pipelines for software provisioning, OS installs, firmware updates, and automated migration of servers from VMware vCenter to Hyper-V;
- Developed PowerShell automation and SaltStack states to manage server fleets and standardize configuration at scale;
- Used GitHub and GitLab for version control, CI/CD integration, and structured automation development;
- Supported VMware and Hyper-V: provisioning, lifecycle management, troubleshooting, and resolving complex migration failures;
- Installed and administered Windows Admin Center and Veeam Backup for centralized management, backup, and recovery workflows;
- Troubleshot physical servers (OS reinstall, firmware/BIOS updates) and coordinated hardware fixes with datacenter teams;
- Participated in release deployments and improved reliability of delivery processes;
- Created and maintained documentation and runbooks in Confluence, and managed workflow through Jira.
Technologies:Azure DevOps, PowerShell, SaltStack, GitHub, GitLab, VMware vCenter, Hyper-V, Windows Admin Center, Veeam Backup, Windows Server, Jira, Confluence.
Systems Operation Engineer
Duration: 2023 - 2024
Summary:Operational support for development and production environments with a focus on incidents, identity systems, and automation.
Responsibilities:
- Provided technical support for development teams and production environments;
- Actively participated in incident handling: troubleshooting, root-cause analysis, log investigation;
- Managed patching cycles for Linux/Windows servers and handled patch failures;
- Participated in release and deployment workflows, ensuring smooth delivery, verifying deployment tasks, and coordinating with Dev/QA teams;
- Administered Azure AD across multiple tenants: user provisioning, access governance, policy configuration, and identity-related troubleshooting;
- Supported internal monitoring systems and managed alerts related to failed deploys, system outages, or performance issues;
- Worked closely with datacenter teams on hardware diagnostics, replacements, and lifecycle management;
- Worked with Active Directory for user management and access troubleshooting;
- Developed automation scripts using PowerShell to reduce manual workload and improve operational efficiency;
- Leveraged Jira for incident, change, and operational work tracking; managed tickets, sprint tasks, and deployment activities;
- Used Confluence to create, maintain, and continuously improve internal documentation, knowledge bases, and operational runbooks.
Technologies:Linux, Windows Server, Azure AD, Active Directory, PowerShell, Jira, Confluence, Monitoring systems (logs, alerts).
Systems Administrator, FinTech
Duration: 2019 - 2023
Summary:Linux and network systems administration, ensuring stability, security, and documentation.
Responsibilities:
- Installed, configured, and maintained Linux operating systems and software;
- Performed system upgrades and patch management to ensure security and stability;
- Managed and monitored system performance and resource utilization;
- Configured and managed network services such as DNS, DHCP, FTP, SSH, and web servers (Apache/Nginx);
- Troubleshoot network issues and ensured proper network connectivity;
- Performed regular backups and ensured data recovery processes are in place;
- Provided technical support to users and resolved system-related issues;
- Collaborated with other IT teams to resolve complex problems and implemented solutions;
- Maintained comprehensive documentation of system configurations, procedures, and changes;
- Documented troubleshooting steps and created knowledge base articles.
Technologies:Linux, DNS, DHCP, FTP, SSH, Apache, Nginx, Backup systems, Networking tools.
Security Engineer (Penetration Tester), Cybersecurity
Duration: 2017 - 2018
Summary:Security auditing and penetration testing of network and security systems.
Responsibilities:
- Conducted network and security system audits, using established criteria;
- Design security solutions to address known device vulnerabilities;
- Develop infiltration tests that exploit device vulnerabilities;
- Identify security system weaknesses, using penetration tests.
Technologies:Network security tools, Penetration testing techniques, Security auditing tools.
Senior Systems Engineer, State Agency of Land Resources
Duration: 2009 - 2017
Summary:Enterprise systems and network operations within a government organization.
Responsibilities:
- Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary;
- Operate master consoles to monitor the performance of computer systems and networks and to coordinate computer network access and use;
- Plan, coordinate, and implement network security measures to protect data, software, and hardware;
- Coordinate and link the computer systems within an organization to increase compatibility so that information can be shared.
Technologies:Enterprise hardware and software systems, Network monitoring consoles, Network security systems.
Systems Engineer, Starlight Media Group
Duration: 2009
Responsibilities:
- Troubleshoot program and system malfunctions to restore normal functioning;
- Test, maintain, and monitor computer programs and systems, including coordinating the installation of computer programs and systems.
Technologies:Enterprise operating systems, System monitoring and diagnostic tools.
Senior Technical Support Engineer, Bank
Duration: 2007 - 2008
Responsibilities:
- Set up equipment for employee use, performing or ensuring proper installation of cables, operating systems, or appropriate software;
- Read technical manuals, confer with users, or conduct computer diagnostics to investigate and resolve problems or to provide technical assistance and support;
- Install and perform minor repairs to hardware, software, or peripheral equipment, following design or installation specifications;
- Identify the causes of networking problems, using diagnostic testing software and equipment.
Technologies:Hardware diagnostics tools, Operating systems, Networking diagnostic tools.
EDUCATION
- Master, System Analyst,National Technical University
- Master, Electronic Engineer,National Technical University
CERTIFICATES
- Fundamentals of Kubernetes - The Linux Foundation
- CCNA Discovery: Networking for Home and Small Businesses
- APM Check Point Endpoint
- Operation and Management of Hitachi Enterprise Storage
- Administering System Center 2010 Configuration Manager
- Implementing and Managing Windows Server 2008 Hyper-V
- Planning, Deploying, and Managing System Center
- Configuration Manager 2007
- Installing and Configuring System Center
- Operations Manager 2007 R2
- Microsoft System Center Operations Manager 2007: Advanced
- Configuration and Administration
- Implementing System Center Data Protection Manager 2010
Upstaffer since December, 2025
