Stephen Miserez
Englewood,Colorado
Summary
Strategic leader with extensive experience managing global technical teams in a Managed Services Provider environment. Expertise in hybrid cloud infrastructure management across Azure, AWS, OCI, and GCP, emphasizing business continuity and security. Developed operational standards and governance frameworks that improved service delivery and efficiency.
Overview
14
14
years of professional experience
Work History
Director, Presales Solutions Architecture
NTT Data Inc.
12.2025 - Current
- Led a global pre-sales solutions architecture organization of 20+ architects and engineers, supporting $300+ million in annual pipeline across cloud, networking, end user, and security solutions.
- Served as executive technical advisor for C-level and VP stakeholders, designing secure hybrid and multi-cloud architectures across AWS, Azure, and GCP.
- Defined and executed pre-sales technical strategy, contributing to a 25–35% increase in win rate for enterprise and strategic accounts.
- Owned end-to-end solution design for large complex deals, encompassing IT managed services, cloud migration, SD-WAN, security, and enterprise cybersecurity platforms.
- Accelerated sales cycles by 30% through development of standardized reference architectures, reusable solution frameworks, and scalable proof-of-concept models.
- Partnered with Sales, Product Management, and Engineering to shape roadmap priorities, leading to introduction of 3–5 new high-impact features aligned to customer demand.
Global Director of Public Cloud
NTT LTD (Formerly Secure-24)
05.2022 - 12.2024
- Leading the Global Public Cloud Team for the NTT Managed Services Division consisting of over 75 architects and engineers in the United States, India, Spain, South Africa.
- Created the Centers Of Excellence for the Public Cloud technologies AWS, Azure, GCP, OCI, and Kubernetes.
- Enhanced standard public cloud deployment efficiency through optimized processes, improved documentation, and increased automation for deployments and migrations.
- Focus on Profit and Loss for all Public Cloud projects for managed services by driving better efficiencies and lessons learned each time.
- Facilitated global adoption of modern DevOps practices and standards, including automation, continuous delivery, continuous deployment, and continuous integration methodologies.
- Driving the development support processes and training for all global support engineering teams and acted as an escalation point for over 100 customers globally.
- Working directly with CTO office on developing and certifying technology and operational processes and standards globally.
- Supported sales and solutions architects in promoting NTT Managed Services to customers globally.
Technical Client Architect
NTT LTD (Formerly Secure-24)
11.2016 - 05.2022
- Served as architectural advisor for Secure-24's largest enterprise managed services client (TCV $132M), guiding global executive leadership team on strategic decisions.
- Architected the overall technical landscape for the client, including network connectivity, Public and private Cloud topology, and third-party integration.
- Provided oversight for all implementations and projects from inception to completion, including scope definition, contractual agreements, and resource alignment.
- Collaborated with broader internal account team to ensure the client environment was operating optimally and with adherence to global policies and best practices.
- Leveraged global resources to execute complex network and equipment upgrades across 30+ global locations, enhancing overall operational capability.
- During initial implementation, a ransomware attack was detected and resolved, recovering over 600 independent systems in 4 hours. This event led to expedited security-focused initiatives added to the overall landscape architecture, ensuring a strong security posture.
- Evaluated vendor products to recommend strategic technology enhancements, aligning with client's objectives and improving resource allocation.
- Represented Secure-24/NTT for all client-facing Architecture meetings; served as a voting member of the client’s Architecture Review Board.
Microsoft\Messaging Engineer
Secure-24
04.2013 - 11.2016
- Architected, configured, migrated, and managed Exchange environments to 2010, 2013, 2016, and Office 365 in standalone, single site DAG, and multi-site DAG environments.
- Deployed and managed various email security solutions such as Symantec Messaging Gateway, ProofPoint, and Mimecast.
- Provided level three support for all windows servers and applications such as MS SQL, Exchange, and Citrix.
- Monitored, troubleshot, and maintained optimal performance of servers, enhancing system reliability.
- Resolved backup failures for 500+ Windows 2003, 2008, and 2012 servers, ensuring data integrity and availability.
- Performed manual and automated server patching with Altiris.
- Supported and maintained Lync and MS Teams environments.
- Developed architectural and operational configuration standards in alignment with company policies, ensuring compliance and operational efficiency.
- Configured monitoring on servers via Nagios and Zenoss systems.
- Analyzed system infrastructure issues to determine root causes and effective resolutions.
IOC Analyst
Secure-24
08.2012 - 04.2013
- Monitored and maintained server performance to ensure system reliability.
- Identified underlying causes of infrastructure issues and implemented resolutions.
- Troubleshot and resolved customer technology issues to enhance user satisfaction.
- Provided support for overflow calls to ensure timely customer service.
IOC CSR
Secure-24
05.2012 - 08.2012
- Diagnosed and resolved customer issues, enhancing satisfaction through effective communication and problem-solving.
- Managed incoming phone calls, chat support, and alerts, addressing customer tickets within defined SLA to ensure timely resolution.
- Identified underlying causes of system infrastructure issues and developed solutions to enhance stability.
Education
Master of Business Administration - Business Administration and Management, General
Walsh College
Troy, Michigan12.2017
Bachelor of Science - Information Technology: Concentration in Network Administration and Security
Central Michigan University
Mount Pleasant, Michigan05.2012
Skills
- Team leadership
- Problem solving
- Business strategy
- Sales management
- Relationship building
- Operations management
- Client relationship management
- Cross-functional collaboration
- Hybrid cloud strategies
- Cloud architecture
- Solution design
- DevOps and IaC practices
- Cybersecurity frameworks
Personal Information
Title: Global Director of Public Cloud
Timeline
Director, Presales Solutions Architecture
NTT Data Inc.
12.2025 - Current
Global Director of Public Cloud
NTT LTD (Formerly Secure-24)
05.2022 - 12.2024
Technical Client Architect
NTT LTD (Formerly Secure-24)
11.2016 - 05.2022
Microsoft\Messaging Engineer
Secure-24
04.2013 - 11.2016
IOC Analyst
Secure-24
08.2012 - 04.2013
IOC CSR
Secure-24
05.2012 - 08.2012
Master of Business Administration - Business Administration and Management, General
Walsh College
Bachelor of Science - Information Technology: Concentration in Network Administration and Security
Central Michigan University