Sergio Cossio
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Sergio Cossio Email & Phone Number

Microsoft Security expert helping defend multi-cloud and hybrid platforms for the DoD and the Defense Industrial Base at Microsoft
Location: Herndon, Virginia, United States 7 work roles 2 schools
1 work email found @microsoft.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Role
Microsoft Security expert helping defend multi-cloud and hybrid platforms for the DoD and the Defense Industrial Base
Location
Herndon, Virginia, United States
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Sergio Cossio is listed as Microsoft Security expert helping defend multi-cloud and hybrid platforms for the DoD and the Defense Industrial Base at Microsoft, a with 189892 employees, based in Herndon, Virginia, United States. AeroLeads shows a work email signal at microsoft.com and a matched LinkedIn profile for Sergio Cossio.

Sergio Cossio previously worked as Director, Security Compliance and Identity | Joint DoD and DIB at Microsoft and Principal Technology Solutions Professional - O365 at Microsoft. Sergio Cossio holds M. Sc., Management Of Information Systems from The George Washington University.

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About Sergio Cossio

As the Director of Security Compliance and Identity at Microsoft, I lead the strategy for customers in the Joint DoD space and the Defense Industrial Base, supporting integration with current capabilities as well as crafting roadmaps for adoption of our security stack, from on-premises to multi-cloud. With over 20 years of experience in the IT industry, I have a proven track record of delivering innovative and impactful solutions to a global client base, especially in the public sector.My core competencies include cloud migration, portal architecture, enterprise collaboration, content strategy, business intelligence, information architecture, enterprise search, records management, and e-discovery. I also have deep expertise in cloud-enabled innovation, cloud infrastructure, Microsoft 365, automation of human workflow, SOA, IT service management, and information sharing. My mission is to help our customers simplify operations, reduce technical risk, and do more with less, by leveraging the power of Microsoft's security, threat hunting, defense, and compliance offerings.

Listed skills include Capture, Sharepoint, Enterprise Architecture, Sdlc, and 34 others.

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Microsoft
Microsoft
Microsoft Security expert helping defend multi-cloud and hybrid platforms for the DoD and the Defense Industrial Base
redmond, washington, united states
Website
Employees
189892
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7 roles · 25 years

Sergio Cossio work experience

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Director, Security Compliance And Identity | Joint Dod And Dib

Current

Lead Security, Compliance and Identity strategy for customers in the Joint DoD space and the Defense Industrial Base, supporting integration with current capabilities as well as crafting roadmaps for adoption of our security stack, from on-premises to multi-cloud, as Microsoft provides a seamless approach to security, threat hunting, defense and compliance which allows our customers to simplify operations and do more with less.

Oct 2022 - Present

Principal Technology Solutions Professional - O365

Reston, Va

As a Technology Solutions Professional (TSP) for O365 I focus on facilitating the usage and adoption of O365 technologies in the DoD. With deep expertise in collaboration workloads, I specialize in Government Community Clouds and interface with the teams developing the product to remove technical blockers and influence new capabilities that my customers require

Apr 2018 - Oct 2022

Principal Consultant

While supporting DISA, led a team of MCS and Premier resources delivering one of the largest SharePoint as a Service offerings for the USDoD (DEPS). Grew the user base from 170K to ~400K users in 2 years by reducing technical risk and expanding capabilities as well as engaging DoD customers and showcasing the benefits of the platform. Led the architecture of two versions of the platform and the migration of more than 200K users and 10TB of data onto the platform. Experienced with identity, security, and networking technologies required to work with PKI in large service offeringsSupported pre-sales efforts involving custom application development, utilizing SharePoint as a platform to replace legacy tools and adding new capabilities/resources to contracts.Delivered high quality engagements around Microsoft's solution areas, technologies and products in diverse client environments. Stabilized developed solutions using Microsoft methodologies in complex customer environments.Understanding the relevant application development, infrastructure and operations implications of SharePoint solutions to add business/mission value

Jul 2012 - Apr 2018

Solutions Architect

SharePoint Architect for CBP wide enterprise collaboration portal, serving 65,000 geographically dispersed users, managing content strategy, information architecture, search, taxonomy, governance and enterprise collaboration solutioning and application/mashup designResponsible for designing the strategy and migration approach for ~3TB of MOSS to SP2010.

Feb 2010 - Jul 2012

Solutions Architect

Provide capture and pre-sales engineering support to the Business Development and Capture teamsDeliver presentations, whitepapers and sales briefs to C-level executives related to Keane's capabilitiesCreate and edit technical response volumes in response to government solicitations in which Keane competed

Jul 2008 - Feb 2010

Senior Sharepoint/Epm Consultant

Infrastructure, Collaboration and Enterprise Project Management Consultant

Jul 2007 - Jul 2008

Information Systems Architect

Designed and implemented support systems for the trade association, to include a web based time tracking application for consultants and custom intranet portal based on SharePoint v1

2002 - 2007 ~5 yrs
Team & coworkers

Colleagues at Microsoft

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2 education records

Sergio Cossio education

B.Sc., Systems Engineering

Escuela Militar De Ingeniería
FAQ

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What company does Sergio Cossio work for?

Sergio Cossio works for Microsoft.

What is Sergio Cossio's role at Microsoft?

Sergio Cossio is listed as Microsoft Security expert helping defend multi-cloud and hybrid platforms for the DoD and the Defense Industrial Base at Microsoft.

What is Sergio Cossio's email address?

AeroLeads has found 1 work email signal at @microsoft.com for Sergio Cossio at Microsoft.

Where is Sergio Cossio based?

Sergio Cossio is based in Herndon, Virginia, United States while working with Microsoft.

What companies has Sergio Cossio worked for?

Sergio Cossio has worked for Microsoft, Qinetiq North America, Keane Inc, Projility Inc., and Nema.

Who are Sergio Cossio's colleagues at Microsoft?

Sergio Cossio's colleagues at Microsoft include Thierno Mamadou Oury Diallo, Vijaya Bhargavi, Eduardo García Bellido, Cindy Sullivan, and Jusman Jusman.

How can I contact Sergio Cossio?

You can use AeroLeads to view verified contact signals for Sergio Cossio at Microsoft, including work email, phone, and LinkedIn data when available.

What schools did Sergio Cossio attend?

Sergio Cossio holds M. Sc., Management Of Information Systems from The George Washington University.

What skills is Sergio Cossio known for?

Sergio Cossio is listed with skills including Capture, Sharepoint, Enterprise Architecture, Sdlc, Integration, Image Capture, Security, and Architecture.

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