Derek Walker

Derek Walker Email and Phone Number

Head of Technology Infrastructure and Cloud @ Sumitomo Mitsui Banking Corporation
New York, NY, US
Derek Walker's Location
New York City Metropolitan Area, United States, United States
Derek Walker's Contact Details
About Derek Walker

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.

Derek Walker's Current Company Details
Sumitomo Mitsui Banking Corporation

Sumitomo Mitsui Banking Corporation

View
Head of Technology Infrastructure and Cloud
New York, NY, US
Derek Walker Work Experience Details
  • Sumitomo Mitsui Banking Corporation
    Head Of Technology Infrastructure And Cloud
    Sumitomo Mitsui Banking Corporation
    New York, Ny, Us
  • Sumitomo Mitsui Banking Corporation
    Head Of Technology Infrastructure And Cloud
    Sumitomo Mitsui Banking Corporation Jan 2022 - Present
    Tokyo, Jp
  • Amazon Web Services (Aws)
    Senior Technical Account Manager
    Amazon Web Services (Aws) Nov 2020 - Jan 2022
    Seattle, 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
  • Point72
    Head Of System Engineering
    Point72 Apr 2014 - Oct 2020
    Stamford, Connecticut, Us
    Managing 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%.
  • S.A.C. Capital Advisors L.P.
    Director
    S.A.C. Capital Advisors L.P. Apr 2006 - Apr 2014
  • S.A.C. Capital Advisors L.P.
    Production Support Manager
    S.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.
  • Alecta Investment Management
    It Infrastructure Manager
    Alecta 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.
  • Alecta Investment Management
    It Operations Manager
    Alecta 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.
  • Ubs Asset Management (Uk) Ltd
    Communications And Pc Support Manager
    Ubs Asset Management (Uk) Ltd 1990 - 1996
    • Managed a team providing delivery and support of all desktop services to 250 users.
  • Peninsular Computing And Information Systems Ltd
    Communications Analyst
    Peninsular 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.
  • National Computing Centre
    Communications Analyst
    National 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

  • University Of Hull, United Kingdom
    University Of Hull, United Kingdom
    Electronic Communications Engineering
  • University Of Hull, United Kingdom
    University Of Hull, United Kingdom
    Electronic 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.

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.