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Holger R. — Senior IT Infrastructure Manager from South Africa

Holger R.

Senior IT Infrastructure Manager

South Africa No experience yet
Open to offersNew to Platform
Languages
EnglishGerman
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About

Holger R. has a robust background in Business and IT Management with over 15 years in SQL Database Administration, System Analysis, Design, and Development. Currently serving as Head IT Infrastructure at voestalpine VAE SA, Holger oversees national IT infrastructure encompassing corporate offices and multiple factories. His role involves server maintenance for a comprehensive virtual environment, data security management, and leading software development projects. Holger has significant experience in managing various server environments and network security solutions, leveraging platforms such as Cisco and Fortinet. His past roles include assignments with organizations like Ulwembu/SSA and ELCB, where he specialized in SQL/Oracle DBA and was instrumental in data migration and application redevelopment projects. Holger has also functioned as a senior developer working extensively with C#, ASP.Net, and SQL database systems for different sectors, including education and national treasury projects. His deep technical expertise covers a wide scope from cloud solutions to SQL BI reporting, with proficiencies in SQL Server, data warehousing, and Power BI. With his varied experience, Holger is adept at meeting both strategic business needs and complex IT challenges.

Experience

  • Head IT Infrastructure (IT Manager)

    voestalpine VAE SA · 2019 — Present
    Oversaw IT infrastructure for Group VAE SA across the corporate office, four factories, and Sub Sahara Africa. Maintained a variety of servers, including file, domain, and SQL servers. Managed offsite data centers and developed data security applications. Handled network security using Cisco and Fortinet solutions. Led software development projects including database conversions and integrated task management. Administered SQL Server databases and orchestrated financial reporting for executive leadership. Supported a solar power data management project with virtual environments.

  • Oracle SQL Core DBA/Dev

    Ulwembu/SSA · 2018 — 2019
    Managed SQL server environments for multiple regions. Executed data migration projects including the creation and migration of SQL databases. Developed backup procedures and monitored SQL agent jobs. Redesigned existing ASP.NET applications to ensure compatibility with newer SQL versions. Established test environments and facilitated database cloning and Oracle data management practices.

  • Senior Developer

    ELCB · 2016 — 2018
    Functioned in SQL DBA and data analyst roles, overseeing numerous national server environments. Executed performance tuning and optimization for SQL databases. Managed SQL server agent jobs and designed SQL scripts for performance monitoring. Conducted data analysis and prepared quarterly reporting on tasks and server performance.

  • Team Lead - Assets/Inventory

    Sebata - MMG · 2016 — 2016
    Led development projects for the South African National Treasury, focusing on assets and inventory management systems. Utilized ASP.NET for web applications and SQL Server for database management. Coordinated daily tasks, maintained source control, and engaged in continuous development and bug fixes.

  • C#, ASP.NET Developer

    VOD Communications · 2015 — 2016
    Developed various SQL front-end applications integrating mysql and SQL Server databases for VOIP servers. Created WCF web services and managed test environments. Conducted data maintenance and backup procedures along with the development of security measures for applications.

  • Business Analyst/Trainer

    Greenshoots/Standard Bank · 2014 — 2015
    Analyzed processes for Standard Bank’s nBOL team, defined solution scopes, and created training material for implementations in various African countries. Conducted workshops and collaborated with cross-functional teams on business solution development.

  • Project Leader

    Froggos Software · 2014 — 2014
    Oversaw web application development projects while utilizing technologies like HTML5, PHP, and JavaScript. Managed project schedules and maintained source control and administration of software deployments.

  • Head Lecturer & System Administrator

    CCSiT/BB Telesystems · 2013 — 2014
    Conducted lectures on Microsoft Software Development. Administered systems for a call centre environment including maintenance of networks and telecommunication systems. Supported SQL Server administration and managed course content for software development.

  • IT Consultant

    Kwelera Computers · 2008 — 2013
    Founded an IT company providing system supply and support. Delivered IT training on software applications including Pastel and payroll packages. Managed database installations and cloud setups, focusing on client-specific needs.

Skills & Expertise

BiotechnologyIT and NetworkingContent CreationProject ManagementSoftware and Mobile DevelopmentDatabase Administration

Education

  • Matric
    Northcliff High School · — — 1981
  • Technical N6 in Architectural Draughting
    Unisa
  • Degree in Architecture (Not completed due to finances)
    Unisa

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