David Tie

Cloud and infrastructure consultant, scrum master @T-Mobile

✔️ ITSolution IntegratorSystem ArchitectProject ManagerTech Support

David is a seasoned cloud and infrastructure consultant and also serves as a Scrum Master. He brings a wealth of experience in the tech industry, specifically specializing in cloud computing, infrastructure, and project management. David’s expertise lies in transforming infrastructure using innovative cloud solutions, aligning them with business goals and objectives. His proficiency in agile methodologies, combined with his Scrum Master role, enables him to effectively manage teams and lead projects to successful completion. Throughout his career, David has consistently demonstrated his commitment to staying ahead of industry trends and leveraging the latest technological advancements to drive efficiency and productivity within organizations.

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Work Background

Various clientsCloud and Infrastructure Consultant - Team principal

Oct. 2014Tele2/ T-Mobile/ Odido 2014 – Present Cloud and Infrastructure Consultant - Spearhead the migration of hardware-based database servers to virtualized Oracle VM servers, resulting in enhanced efficiency, scalability, and a significant reduction in CAPEX costs. - Complete SAN Storage integration ahead of schedule despite the absence of prior documentation, contributing to the smooth management of SAN storage systems during the T-Mobile and Tele2 merger. - Identify opportunities for infrastructure improvement and implement strategic solutions to drive positive outcomes. - Demonstrate expertise in optimising server environments, managing storage systems, and navigating complex mergers and acquisitions. Notable Achievements - Led a team of 5 Linux engineers to provide technical support for customer service platforms, achieving a 20% increase in SLA-compliant ticket resolution and a 95% reduction in after-hours alarms through the implementation of scrum methodology. - Orchestrated the seamless migration of storage systems from HP-3Par to Huawei, transitioning 60 production databases with zero downtime and maintaining data integrity. - Designed and deployed multiple Oracle VM clusters for development and testing purposes, reducing system overload by 40% and database downtime by 50%, thereby enhancing operational efficiency and reliability. - Automated manual tasks, programmed and integrated monitoring tools, eliminating 90% of human errors, streamlining daily operations, and consistently meeting 99% Service Level Agreements (SLAs).

Ontrend Enterprises Ltd. /Pacific Risk Ltd.Strategist for Innovative Technological Solutions

Jan. 2012 - Dec. 2017- Spearheaded blockchain investment research initiatives, providing insights for strategic investment decisions and identifying promising projects for informal venture capitalists. - Enhanced market trend research effectiveness by serving as the product owner for technical analysis trading software utilised by professional traders across currency, equity, and commodity markets, resulting in a 70% reduction in decision-making time, thereby increasing trade efficiency. - Programmed and implemented software solutions in Python and Go to support these improvements, resulting in more efficient and accurate market analysis.

Reseco B.V.Digital Security Strategist

Jan. 2012 - Dec. 2017- Researched and implemented customised security solutions that significantly bolstered the integrity and confidentiality of sensitive documents, elevating the organisation's overall risk management framework to a level comparable to bank-grade security standards. - Offered tailored digital cybersecurity guidance to approximately 20 high-net-worth individuals, fostering security awareness and increasing customer satisfaction rates by 95%.

Ziggo, ANWB, TomTom, ING, ABNAMROLinux/ Unix Engineer, Infrastructure Designer

Jan. 1999 - Dec. 2014- Led the deployment and maintenance of Linux/Unix-based infrastructure, ensuring optimal performance and availability for critical systems. - Designed and implemented robust infrastructure solutions, seamlessly integrating Linux/Unix servers, storage, and networking components to meet client requirements. - Spearheaded initiatives to optimize system configurations and fine-tune performance, bolstering stability and efficiency across the ecosystem. - Leveraged automation tools such as Ansible or Puppet to streamline deployment and management processes, reducing manual effort and minimizing errors. - Enhanced Oracle database server performance through leadership in executing a high-end Red Hat Linux 6.2 upgrade. Collaborated with database administrators to establish a proof-of-concept environment and devised a strategic deployment roadmap. - Transformed the development environment into a high-availability DTAP (Development, Testing, Acceptance, and Production) pipeline. - Oversaw hardware scaling and infrastructure enhancement projects, efficiently addressed application connectivity issues, and authored a comprehensive transition report for application owners. Notable Achievements - Took charge of installing, configuring, and overseeing the Oracle WebLogic server, fostering collaboration with key application teams such as those managing fulfilment orders for new client activations and Class 4/5 telephony services. - Maintained a 100% on-time project delivery record by providing expert support for ancillary projects. - Managed a variety of initiatives including the introduction of a video on demand service, IP address renumbering for the VOD platform, and the strategic upgrade of monitoring servers to Cacti technology, resulting in a 25% increase in system reliability. - Enhanced CMDB software by coding missing functionalities, resulting in a more robust and comprehensive system.