Corey Thomas Email & Phone Number

Spring, Tx, Us

Sugar Land, Tx, Us

Managed a hardware refresh project involving 100+ servers across global sites, collaborating with finance teams to forecast CAPEX requirements and ensure budget alignment.Spearheaded the design and deployment of a Nutanix AHV-based hybrid cloud architecture across 32 global sites, implementing advanced data replication, high availability (HA) configurations, and network optimization, reducing operational expenses by 30% and improving application latency by 20%.Led the re-architecture and migration of 10+ mission-critical applications to Azure, utilizing Azure App Service, SQL Database, and Virtual Networks, significantly enhancing scalability, availability, and overall security posture through Azure AD integration and role-based access controls (RBAC).Developed and executed a comprehensive on-premises to Azure migration strategy for a multinational enterprise, leveraging Azure Migrate and Database Migration Service (DMS) to ensure seamless data transfer, zero data loss, and near-zero downtime for complex, interdependent workloads.Designed and deployed a disaster recovery solution using Azure Site Recovery and Nutanix NearSync, reducing Recovery Time Objective (RTO) by 60% and ensuring business continuity through automated failover and failback testing.Architected a multi-region Azure environment supporting global operations, incorporating ExpressRoute, Azure Front Door, and Traffic Manager to ensure high availability, low-latency access, and compliance with data sovereignty requirements across 15+ countries.Established robust cloud governance and compliance frameworks, implementing Azure Policy and Blueprints to enforce security standards, regulatory requirements, and best practices across hybrid infrastructure, ensuring adherence to industry benchmarks (e.g., ISO 27001, HIPAA, and GDPR).

San Jose, California, Us

Created and presented custom technical solutions for enterprise clients, focusing on business outcomesConducted technical discovery sessions to uncover and address customer pain pointsManaged competitive analysis and technical differentiation strategiesDeveloped and delivered technical training programs for sales team and channel partnersDeveloped proof-of-concept environments demonstrating Nutanix architecture and solutionsConducted technical training sessions for clients on best practices

Arlington, Virginia, Us

Oversaw the inventory and lifecycle management of networking hardware across 20+ sites, ensuring spares availability and optimal allocation of resources to support mission-critical systems.Designed and implemented highly available Layer 2/3 network solutions using Cisco Catalyst 9000 series and Arista 7500R series switches, optimizing routing protocols like BGP, OSPF, and EIGRP to support multi-site data centers and high-bandwidth campus networks.Led the deployment and configuration of enterprise-grade Wi-Fi networks utilizing Cisco 9800 Series Wireless Controllers and APs, implementing advanced features such as dynamic RF management, RRM, and seamless roaming for thousands of concurrent clients.Designed and enforced 802.1X-based Network Access Control (NAC) with Cisco ISE, integrating posture assessments, VLAN assignment, and multi-factor authentication to secure access for wired and wireless devices across diverse user environments.Automated complex network management tasks using Python and REST APIs to streamline configurations, deploy device templates, and monitor SNMP traps, reducing deployment time by 40% and enabling rapid fault identification and resolution.Spearheaded multi-fiber Wave Division Multiplexing (WDM) deployment using DWDM/CWDM technologies, optimizing 100 Gbps links between data centers, and supporting low-latency communication for critical applications in high-performance computing (HPC) clusters.

Led global IT support operations for a 1200-employee retail energy company, overseeing troubleshooting, maintenance, and customer service for diverse technologies including Windows, Linux, and Apple systems across domestic and international deployments.Implemented and optimized ITIL-based service delivery processes, maintaining SLAs/OLAs and driving continuous improvement initiatives to meet business objectives in a rapidly growing environment.Managed IT teams in operational and performance aspects, fostering innovation and introducing new technologies while ensuring compliance with CMMI, ISO, and government-defined security requirements (GovCloud, FedRAMP, NIST, CMMC).Collaborated with vendors and stakeholders to resolve complex issues, lead change management efforts, and optimize resource allocation and budgetary planning for IT services.Leveraged expertise in ServiceNow, Windows Server (up to 2019), and cybersecurity controls to enhance system administration, user management, and overall IT infrastructure resilience.

Vienna, Va, Us

Led engineering and operational support for Joint Regional Security Stack (JRSS) and Top Level Architecture (TLA) EoIP implementations across DoD networksDesigned and implemented advanced Software Defined Networking (SDN) solutions to enhance flexibility and security of the Army DoDIN and Joint Information Environment (JIE)Architected robust network security solutions integrating VPN, IPSEC, and NAC/NAP 802.1x technologies to safeguard critical defense information systemsOptimized performance of multi-vendor network environments, including Cisco, Juniper, and Brocade equipment, achieving 99.99% uptime for mission-critical systemsImplemented and managed complex routing protocols (BGP, OSPF) and MPLS configurations to support large-scale DoD network infrastructuresConducted in-depth network troubleshooting using NetScout and Wireshark, reducing mean time to resolution for critical incidents by 40%Spearheaded migration of legacy systems to IPv6, ensuring interoperability and future-proofing of DoD network architectureEngineered QoS policies and WAN optimization strategies, improving network performance by 25% for bandwidth-intensive applications like VoIP and VTCDeveloped and maintained detailed network diagrams and documentation using Microsoft Visio, enhancing cross-team collaboration and knowledge transferLed cross-functional teams in planning and executing network upgrades, balancing operational requirements with cybersecurity best practicesImplemented advanced load balancing and SSL acceleration solutions to optimize performance of mission-critical web applicationsDesigned and deployed secure remote access solutions, enabling seamless and protected connectivity for distributed DoD workforce

Houston, Tx, Us

Led enterprise-wide SOX compliance initiatives, focusing on interface requirements for new control design projectsDesigned and implemented IT General Controls (ITGCs) and automated controls in cloud environments, ensuring alignment with regulatory standardsConducted comprehensive evaluations of SOC 1 reports and mapped controls to organizational requirementsLeveraged expertise in information security frameworks (ISO 27000, NIST, COBIT) to develop and enhance compliance strategiesSpearheaded cross-functional teams in large-scale control design projects, collaborating with global stakeholders to achieve annual compliance objectives

Houston, Texas, Us

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Served as IT Security Point of Contact (ISSO) for assigned systems, ensuring compliance with FISMA, OMB, and agency policies.Implemented security measures throughout the entire Software Development Life Cycle (SDLC).Managed system operations, maintenance, and disposal in accordance with documented security policies and procedures, including Assessment & Authorization (A&A).Oversaw vendor relationships for contractor-owned and operated systems, ensuring compliance with agency security and privacy requirements.Developed and maintained critical security documentation, including System Security Plans, Privacy Impact Assessments, and annual FISMA assessments.Spearheaded Information Security Awareness initiatives and conducted training programs.Provided expert insights on IT security architectures and recommendations for assigned systems.Conducted vulnerability assessments, ensuring timely patching and security hardening across all stack levels, and monitored remediation efforts.Collaborated with development teams via GitHub, managing issues and contributing to project discussions.Created detailed architecture and data flow diagrams for presentations and System Security Plans.Evaluated and documented the security impact of integrating new technologies into existing system boundaries.

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Spearheaded enterprise-level data architecture initiatives, providing technical oversight and support to project teams to ensure compliance with Federal, DoD, and industry architecture standards while optimizing system performance across the organization.Conducted comprehensive technical assessments and spearheaded the design of data architectures, coordinating with key stakeholders to integrate data elements and artifacts into solutions that met mission-critical and security requirements.Developed and enforced data security architectures, performing rigorous evaluations of designs against acquisition requirements, NIST SP 800-53, and RMF guidelines to strengthen data protection, align with DoD IA standards, and mitigate risks.Created detailed transition strategies using gap analyses and impact assessments, guiding the organization’s migration to target data architectures, ensuring seamless integration with minimal disruption to operational workflows.Served as a primary liaison for certification and accreditation (C&A) activities, coordinating efforts with stakeholders, including Regional Network Centers, Signal Brigades, and Authorizing Officials (AO), to maintain alignment with compliance frameworks and regulatory mandates.