Derek Walker Email and Phone Number
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IT infrastructure engineering manager with extensive experience in infrastructure design, implementation, management and support, including excelling in financial environments. Track record of visualizing the technology requirements of a business and providing reliable, secure, cost efficient solutions, strengthened with public cloud experience. Experienced in the unique challenges faced by Hedge Funds, Quantitative funds and global companies. Collaborative professional known for problem solving, innovation and troubleshooting.
Sumitomo Mitsui Banking Corporation
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Head Of Technology Infrastructure And CloudSumitomo Mitsui Banking CorporationNew York, Ny, Us -
Head Of Technology Infrastructure And CloudSumitomo Mitsui Banking Corporation Jan 2022 - PresentTokyo, Jp -
Senior Technical Account ManagerAmazon Web Services (Aws) Nov 2020 - Jan 2022Seattle, Wa, Us• Technical point of contact for AWS Enterprise customers, help them to achieve their business goals through the application of cloud computing• Act as the voice of the customer within AWS to escalate problems and to drive prioritization of business needs • Provide strategic technical guidance to help plan and build solutions using best practices, and proactively keep customers’ AWS environments operationally healthy -
Head Of System EngineeringPoint72 Apr 2014 - Oct 2020Stamford, Connecticut, UsManaging all aspects of engineering groups in the planning, design and global implementation of highly scalable, fully redundant and cost-efficient solutions for a 2,000-person firm across 6 data centers. Leading a team of 18 engineers across server, storage, backup, database, platform automation and continuous integration/delivery. Led on-premise and multiple public cloud-based implementations.• Collaborated with business units on the design and implementation of cloud services, resulting in deployment to multiple AWS accounts and Google projects, including services built on Red Hat OpenShift container platform.• Defined and implemented the procedure to ensure correct allocation of reserved instances in Amazon Web Services resulting in $1M pa savings.• Reduced user downtime from hours per month to near zero and minimized operational overhead on a shared file services system by implementing a scale out network-attached storage platform in place of Windows file server.• Implemented the metrics and procedure to allow business units to be charged directly for cloud-based expenses and show back for on-premise infrastructure, resulting in the distribution of $400k per month back to the business.• Expanded a virtualization pilot to a multi-site fully redundant implementation hosting 1,100 virtual machines, eliminating the cost of 600 physical servers and 500 physical desktops.• Reviewed the technology stack and process/procedures in place for the implementation of CI/CD pipeline tools, resulting in documented gap analysis and the ability for the team to publish its capabilities.• Identified a new hardware maintenance partner and implemented a multi-year program producing 50% annual savings on the cost of hardware maintenance.• Replaced 28 spinning disk arrays with 3 all-flash arrays resulting in reduced operational costs by $1M pa and data center footprint of shared storage by 80%. -
DirectorS.A.C. Capital Advisors L.P. Apr 2006 - Apr 2014
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Production Support ManagerS.A.C. Capital Advisors L.P. Aug 2004 - Apr 2006• Transformed an ad-hoc support group into a cohesive unit providing 24-hour company-wide monitoring, support and break fix for all data center hardware and applications.• Implemented a service oriented monitoring philosophy, moving away from servers as individual entities and looking more at overall monitoring of applications and systems. • Wrote and managed the Request for Proposal process to determine the possibility of outsourcing a number of infrastructure services. Key contributor to the assessment and eventual outsource of level 1 and level 2 support.
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It Infrastructure ManagerAlecta Investment Management Jan 1997 - Aug 2004• Managed a global team that implemented and supported the IT infrastructure of the Investment division of a Swedish pension company providing occupational pensions to members of 27,000 companies.
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It Operations ManagerAlecta Investment Management Aug 1996 - Dec 1996• Managed a support team that planned, implemented and supported European infrastructure. • Established a training plan in Central European sites.• Assumed responsibility for the IT function of a new office opening in Greenwich, CT.
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Communications And Pc Support ManagerUbs Asset Management (Uk) Ltd 1990 - 1996• Managed a team providing delivery and support of all desktop services to 250 users.
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Communications AnalystPeninsular Computing And Information Systems Ltd 1988 - 1990• Implemented and supported IBM AS/400, PC, Windows and communications systems.• Planned and managed voice and data network installations.
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Communications AnalystNational Computing Centre 1987 - 1988• Communications research and evaluation projects plus technical educational material for European Standards committees.• Completed Masters degree in conjunction with University of Hull
Derek Walker Education Details
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University Of Hull, United KingdomElectronic Communications Engineering -
University Of Hull, United KingdomElectronic Engineering
Frequently Asked Questions about Derek Walker
What company does Derek Walker work for?
Derek Walker works for Sumitomo Mitsui Banking Corporation
What is Derek Walker's role at the current company?
Derek Walker's current role is Head of Technology Infrastructure and Cloud.
What is Derek Walker's email address?
Derek Walker's email address is de****@****ter.net
What schools did Derek Walker attend?
Derek Walker attended University Of Hull, United Kingdom, University Of Hull, United Kingdom.
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