System Engineer

Introduction:

The candidate is an experienced IT Systems Administrator with a strong background in managing, configuring, and troubleshooting complex IT infrastructures. Their expertise spans across system and network administration, virtualization, cloud computing, and cybersecurity. They have extensive experience with Windows and Linux server environments, including Active Directory, ADFS, DNS, DHCP, IIS, and file/print services. Skilled in managing virtualized environments using VMware, Hyper-V, and Citrix (XenApp, XenDesktop, XenServer, NetScaler), they have also handled network infrastructure design and monitoring using technologies like Aruba, Fortinet, Checkpoint, and Cisco. The candidate has a solid background in IT security, implementing firewalls, VPNs, and authentication protocols such as LDAP and OAuth. They are proficient in backup and disaster recovery solutions, having worked with tools like Commvault, Veeam, and AWS S3/Glacier. Their expertise extends to ITSM tools, automation, and scripting for infrastructure management. Additionally, they have experience in database administration for SQL Server, MySQL, and PostgreSQL. With strong troubleshooting and helpdesk support skills, they have supported various enterprise applications, handled migrations, and optimized IT environments for performance and security. Their ability to manage cloud and on-premises infrastructures, combined with a proactive approach to IT management, makes them a highly skilled professional in systems and network engineering.

Responsibilities:

• System Administration & Infrastructure Management – Configured, maintained, and optimized Windows and Linux server environments, including Active Directory, DNS, DHCP, IIS, and file/print services.
• Virtualization & Cloud Computing – Managed virtualized environments using VMware, Hyper-V, and Citrix (XenApp, XenDesktop, XenServer, NetScaler) and deployed cloud solutions on AWS and Azure.
• Network Administration & Security – Designed, implemented, and maintained network infrastructure, including firewalls, VPNs, VLANs, and authentication protocols such as LDAP and OAuth.
• IT Security & Compliance – Enforced security policies, managed endpoint protection, and conducted vulnerability assessments to ensure compliance with industry standards.
• Backup & Disaster Recovery – Implemented and maintained backup solutions using tools like Commvault, Veeam, and AWS S3/Glacier, ensuring data integrity and recovery readiness.
• Database Administration – Administered and optimized SQL Server, MySQL, and PostgreSQL databases, ensuring availability, performance, and security.
• ITSM & Service Desk Management – Provided technical support, managed IT service management (ITSM) tools, and ensured prompt resolution of system and network issues.
• Automation & Scripting – Developed automation scripts for infrastructure management, system monitoring, and deployment using PowerShell, Bash, and Python.
• Enterprise Application Support – Maintained, upgraded, and troubleshot enterprise applications, ensuring seamless integration with IT infrastructure.
• Cloud & Hybrid Infrastructure – Designed and managed hybrid IT environments, integrating on-premises infrastructure with cloud services.
• IT Project Management & Migrations – Led IT infrastructure projects, including system upgrades, migrations, and network transformations.
• Performance Monitoring & Optimization – Utilized monitoring tools to analyze system performance, troubleshoot bottlenecks, and implement performance enhancements.
• End-User Training & Documentation – Conducted training sessions, created technical documentation, and provided guidance to IT teams and end-users.
• Incident Response & Problem Resolution – Investigated and resolved critical system and network incidents, minimizing downtime and ensuring business continuity.