--- title: Brief CrowdStrike --- {{ js\_integration\_head\_start() }} {{ head\_elements() }} {{ head\_css() }} {{ head\_js() }} {{ js\_integration\_head() }} {{ include\_default\_custom\_css(content.include\_default\_custom\_css, template\_meta.include\_default\_custom\_css, domain\_settings.include\_default\_custom\_css) }} {{ include\_attached\_css(content\_group.attached\_stylesheets or domain\_settings.attached\_stylesheets, content.enable\_domain\_stylesheets, template\_meta.enable\_domain\_stylesheets, theme\_meta.enable\_domain\_stylesheets, domain\_settings.enable\_domain\_stylesheets) }} {{ include\_attached\_css(template\_meta.attached\_stylesheets, content.enable\_layout\_stylesheets) }} {{ include\_attached\_css(content.attached\_stylesheets) }} {{ require\_attached\_js(template\_meta.attached\_js) }} Briefs Duff Spence 587-436-4672 [duff.spence@leslialexander.com](mailto:duff.spence@leslialexander.com) [LinkedIn Profile](https://www.linkedin.com/in/duff-spence-mba-pmp-cissp-38568b4/) Recruiter Advocacy Hub — Senior Infrastructure & Cybersecurity PM Every Brief. One Place. *No Ramp-Up Required.* Duff Spence is a senior enterprise delivery leader with 25+ years of direct program ownership across energy, mining, rail, and utilities. Select the brief that matches your engagement type below. MBA PMP CISSP CPP Energy Mining Rail Utilities Critical Infrastructure 25+ Years Enterprise Delivery 750+ CrowdStrike Endpoints Deployed $2M+ Annualized Savings Delivered 0 Production Incidents Across All Programs Select a Brief Advocacy Brief 01 — Cybersecurity CrowdStrike Falcon Deployment Program Manager Direct PM ownership of two CrowdStrike Falcon deployments across regulated rail and global mining infrastructure. For roles requiring proven endpoint security delivery experience in operationally sensitive environments. 750+ Endpoints deployed across two full programs 30 Days To 100% coverage — achieved on both programs Zero Production incidents across CPKC and Dominion Diamond [View CrowdStrike Brief](https://playbook.leslialexander.com/crowdstrike_v2.html?hsLang=en) Advocacy Brief 02 — Infrastructure Senior Infrastructure & Cloud Migration Program Manager End-to-end program ownership of complex infrastructure and cloud migration programs in regulated, uptime-critical environments. For roles requiring Azure migration, change management, and executive delivery leadership. 150 Virtual servers migrated to Azure — full lifecycle ownership Zero Production outages across the full migration program All Cutover and rollback plans personally approved [View Infrastructure Brief](https://playbook.leslialexander.com/general_advocacy_v2.html?hsLang=en) Program Case Study — Capital Delivery IT Service In-Sourcing: $2M+ Annual Savings, $1.2M Under Budget Full program case study of a 15-month, six-phase IT Service Desk in-sourcing at Dominion Diamond Mines — replacing a deteriorating $6.5M/year third-party contract with an internal 33-person team in Mumbai. For roles requiring capital program, vendor exit, or complex multi-phase delivery experience. $1.2M Under the $3.8M approved capital budget $2M+ Annualized operational savings generated On Time All six phases delivered within the 15-month program [View Case Study](https://playbook.leslialexander.com/insourcing_case_study.html?hsLang=en) Delivery Proof — Five Programs How Duff Operates: Five Real Situations Across Four Organizations Governance failures. Vendor stalemates. Budget crises. Programs built from scratch mid-delivery. Five detailed delivery narratives from Suncor, Nutrien, and TC Energy — showing how complex program problems get resolved in practice. For recruiters who need to demonstrate delivery judgment to clients. 29 Suncor sites delivered after program had fully stalled $500K Nutrien carryover exposure eliminated through budget discipline 60 Days TC Energy program from ungoverned to audit-ready [View Delivery Proof](https://playbook.leslialexander.com/star_stories_delivery_proof.html?hsLang=en) How to Use These Briefs 01 —— Match Brief to Role Type CrowdStrike brief for endpoint security mandates. Infrastructure brief for cloud migration and transformation roles. Case study for capital program and vendor exit mandates. Delivery Proof for any role requiring demonstrated judgment across complex programs. 02 —— Use the Positioning Statement Each brief contains a suggested recruiter positioning statement — a verbatim paragraph you can use directly when presenting Duff to clients. It's designed to be credible, specific, and outcome-focused, not resume language. 03 —— Right Conditions Section Each brief ends with a "Right Conditions" section — a clear list of when Duff is the right fit and when he isn't. Use this to pre-qualify client mandates before investing submission time. Saves everyone time. Ready to Place a Call? Duff is available for contract engagements in infrastructure, cybersecurity, and complex program delivery. Senior-level. Immediately available. No ramp-up. Phone 587-436-4672 Email [duff.spence@leslialexander.com](mailto:duff.spence@leslialexander.com) LinkedIn [View Full Profile →](https://www.linkedin.com/in/duff-spence-mba-pmp-cissp-38568b4/) Duff Spence — MBA · PMP · CISSP · CPP [duff.spence@leslialexander.com](mailto:duff.spence@leslialexander.com)  ·  [LinkedIn](https://www.linkedin.com/in/duff-spence-mba-pmp-cissp-38568b4/)  ·  587-436-4672 [Skip to content](https://playbook.leslialexander.com/briefs?hsLang=en#main-content) --- Privacy Policy · Legal · © 2026 Lesli Alexander Consulting Inc. All rights reserved. ![HubSpot Tools Menu Toggle](https://playbook.leslialexander.com/Crowdstrike_v2_files/sprocket_white.svg) ![](https://playbook.leslialexander.com/Crowdstrike_v2_files/sprocket_orange.svg) HubSpot Tools --- - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Edit.svg) Edit Page](https://app-na3.hubspot.com/content/342177658/edit-beta/327264539629?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/ViewDetails.svg) View Page Details](https://app-na3.hubspot.com/content-detail/342177658/site-page/327264539629/performance?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/SiteTree.svg) Site Pages](https://app-na3.hubspot.com/website/342177658/pages/site?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/ExternalLink.svg) URL Redirects](https://app-na3.hubspot.com/content/342177658/settings/url-mappings?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Gauge.svg) Track Page Speed](https://app-na3.hubspot.com/site-speed/342177658?mode=URL&url=https://playbook.leslialexander.com/briefs&) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Code.svg) Developer Info](https://playbook.leslialexander.com/___context___/briefs?portalId=342177658&utm_source=sprocket-menu&hs-expires=1777009156&hs-version=1&hs-signature=AJYFFsdJeaBQrabHclQLr1uchZyNb2fRoQ&hsLang=en) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/HtmlFile.svg) Edit Template File](https://app-na3.hubspot.com/design-manager/342177658/code/p/@hubspot/elevate/templates/blank.hubl.html?utm_source=sprocket-menu) --- ![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Desktop.svg) Local Dev Server ![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Hide.svg) Hide This Menu Briefs Duff Spence 587-436-4672 [duff.spence@leslialexander.com](mailto:duff.spence@leslialexander.com) [LinkedIn Profile](https://www.linkedin.com/in/duff-spence-mba-pmp-cissp-38568b4/) Recruiter Advocacy Hub — Senior Infrastructure & Cybersecurity PM Every Brief. One Place. *No Ramp-Up Required.* Duff Spence is a senior enterprise delivery leader with 25+ years of direct program ownership across energy, mining, rail, and utilities. Select the brief that matches your engagement type below. MBA PMP CISSP CPP Energy Mining Rail Utilities Critical Infrastructure 25+ Years Enterprise Delivery 750+ CrowdStrike Endpoints Deployed $2M+ Annualized Savings Delivered 0 Production Incidents Across All Programs Select a Brief Advocacy Brief 01 — Cybersecurity CrowdStrike Falcon Deployment Program Manager Direct PM ownership of two CrowdStrike Falcon deployments across regulated rail and global mining infrastructure. For roles requiring proven endpoint security delivery experience in operationally sensitive environments. 750+ Endpoints deployed across two full programs 30 Days To 100% coverage — achieved on both programs Zero Production incidents across CPKC and Dominion Diamond [View CrowdStrike Brief](https://playbook.leslialexander.com/crowdstrike_v2.html?hsLang=en) Advocacy Brief 02 — Infrastructure Senior Infrastructure & Cloud Migration Program Manager End-to-end program ownership of complex infrastructure and cloud migration programs in regulated, uptime-critical environments. For roles requiring Azure migration, change management, and executive delivery leadership. 150 Virtual servers migrated to Azure — full lifecycle ownership Zero Production outages across the full migration program All Cutover and rollback plans personally approved [View Infrastructure Brief](https://playbook.leslialexander.com/general_advocacy_v2.html?hsLang=en) Program Case Study — Capital Delivery IT Service In-Sourcing: $2M+ Annual Savings, $1.2M Under Budget Full program case study of a 15-month, six-phase IT Service Desk in-sourcing at Dominion Diamond Mines — replacing a deteriorating $6.5M/year third-party contract with an internal 33-person team in Mumbai. For roles requiring capital program, vendor exit, or complex multi-phase delivery experience. $1.2M Under the $3.8M approved capital budget $2M+ Annualized operational savings generated On Time All six phases delivered within the 15-month program [View Case Study](https://playbook.leslialexander.com/insourcing_case_study.html?hsLang=en) Delivery Proof — Five Programs How Duff Operates: Five Real Situations Across Four Organizations Governance failures. Vendor stalemates. Budget crises. Programs built from scratch mid-delivery. Five detailed delivery narratives from Suncor, Nutrien, and TC Energy — showing how complex program problems get resolved in practice. For recruiters who need to demonstrate delivery judgment to clients. 29 Suncor sites delivered after program had fully stalled $500K Nutrien carryover exposure eliminated through budget discipline 60 Days TC Energy program from ungoverned to audit-ready [View Delivery Proof](https://playbook.leslialexander.com/star_stories_delivery_proof.html?hsLang=en) How to Use These Briefs 01 —— Match Brief to Role Type CrowdStrike brief for endpoint security mandates. Infrastructure brief for cloud migration and transformation roles. Case study for capital program and vendor exit mandates. Delivery Proof for any role requiring demonstrated judgment across complex programs. 02 —— Use the Positioning Statement Each brief contains a suggested recruiter positioning statement — a verbatim paragraph you can use directly when presenting Duff to clients. It's designed to be credible, specific, and outcome-focused, not resume language. 03 —— Right Conditions Section Each brief ends with a "Right Conditions" section — a clear list of when Duff is the right fit and when he isn't. Use this to pre-qualify client mandates before investing submission time. Saves everyone time. Ready to Place a Call? Duff is available for contract engagements in infrastructure, cybersecurity, and complex program delivery. Senior-level. Immediately available. No ramp-up. Phone 587-436-4672 Email [duff.spence@leslialexander.com](mailto:duff.spence@leslialexander.com) LinkedIn [View Full Profile →](https://www.linkedin.com/in/duff-spence-mba-pmp-cissp-38568b4/) Duff Spence — MBA · PMP · CISSP · CPP [duff.spence@leslialexander.com](mailto:duff.spence@leslialexander.com)  ·  [LinkedIn](https://www.linkedin.com/in/duff-spence-mba-pmp-cissp-38568b4/)  ·  587-436-4672 [Skip to content](https://playbook.leslialexander.com/briefs?hsLang=en#main-content) --- Privacy Policy · Legal · © 2026 Lesli Alexander Consulting Inc. All rights reserved. ![HubSpot Tools Menu Toggle](https://playbook.leslialexander.com/Crowdstrike_v2_files/sprocket_white.svg) ![](https://playbook.leslialexander.com/Crowdstrike_v2_files/sprocket_orange.svg) HubSpot Tools --- - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Edit.svg) Edit Page](https://app-na3.hubspot.com/content/342177658/edit-beta/327264539629?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/ViewDetails.svg) View Page Details](https://app-na3.hubspot.com/content-detail/342177658/site-page/327264539629/performance?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/SiteTree.svg) Site Pages](https://app-na3.hubspot.com/website/342177658/pages/site?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/ExternalLink.svg) URL Redirects](https://app-na3.hubspot.com/content/342177658/settings/url-mappings?utm_source=sprocket-menu) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Gauge.svg) Track Page Speed](https://app-na3.hubspot.com/site-speed/342177658?mode=URL&url=https://playbook.leslialexander.com/briefs&) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Code.svg) Developer Info](https://playbook.leslialexander.com/___context___/briefs?portalId=342177658&utm_source=sprocket-menu&hs-expires=1777009156&hs-version=1&hs-signature=AJYFFsdJeaBQrabHclQLr1uchZyNb2fRoQ&hsLang=en) - [![](https://playbook.leslialexander.com/Crowdstrike_v2_files/HtmlFile.svg) Edit Template File](https://app-na3.hubspot.com/design-manager/342177658/code/p/@hubspot/elevate/templates/blank.hubl.html?utm_source=sprocket-menu) --- ![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Desktop.svg) Local Dev Server ![](https://playbook.leslialexander.com/Crowdstrike_v2_files/Hide.svg) Hide This Menu [Skip to content](https://playbook.leslialexander.com/crowdstrike_v2#main-content) --- Privacy Policy · Legal · © 2026 Lesli Alexander Consulting Inc. All rights reserved.