Hands-on function that ultimately results in the delivery of an application or service.Responsible for translating the core architecture for business requirements into the final technical solution (consisting of platform, network, software, cloud, etc.) through functional, performance, and reliability analysis using engineering models and techniques, primarily through software development throughout the vertical stack.Defines designs; Provides technical enablement for application components and subsystems for an Application(s).Drives important design decisions for development team.Key Roles and Responsibilities:Elaborate the design and interfaces for specific components including:Define subsystems and their interfaces, allocate responsibilities to subsystems, understand solution deployment, and communicate requirements for interactions with solution context;Align development teams to a shared technical direction and partners with those teams in elaborating the Solution and its interfaces;Validate technology assumptions, evaluate implementation alternatives;Establish critical NFRs at the solution level, participate in the definition of others.Create and enable the Continuous Delivery Pipeline including:Participate in planning, definition, and high-level design of the system solution and explore alternatives;Develop the Architectural Runway in support of new business Features and Capabilities;Work with portfolio stakeholders, Solution and Enterprise Architects, to develop, analyze, split, and realize the implementation of enablers;Participate in project planning, system and solution demos, retrospective workshops;Understand technical characteristics of and assist with architectural integration of external components, systems, and platforms.

• Led DevOps processes including 200+ code reviews, 80+ PROD releases and deployments, and 10+ automation pipelines using Azure DevOps, Terraform, Ansible, Jenkins, Nexus, Maven, Bitbucket, Git, and AT&T Software Manager.• Mentored 40+ team members across 5 applications and created 100+ wiki documents to teach key technologies, including Azure, Ansible, Jenkins, Eclipse, Maven, Git, Java, HTML, CSS, JavaScript, LDAP, NGINX, Tomcat, Kubernetes. Accelerated skill development across teams, resulting in enhanced collaboration, streamlined workflows, and consistently improved project outcomes.• Guided 20+ DB and Dev Team members in enhancing and troubleshooting applications, covering front-end (HTML, CSS, JavaScript, Angular, React), back-end (Java, Spring, Struts, PHP), integrations (APIs, Vendor Software), and SQL optimization.• Led creation of 2 new PROD applications using NGINX, Tomcat, Oracle, HTML, CSS, JavaScript, Angular, Java, Struts, PHP, and SQL.• Led migration of 3 projects to different data centers and platforms, resulting in over $500k/yr. cost savings.• Coordinated decommission plans for 300 servers, optimizing resource utilization and maintaining system integrity.• Led retirement of 2 applications including decoupling features and integrations, deploying backup sites, developing URL redirector services, and migrating data between third-party service providers.• Coordinated with 20+ Production Support and Project Management Team members to provide expert advice in resolving production issues. Oversaw architecture upgrades to databases, web servers, and application servers (Oracle, Tomcat, Kubernetes, Linux), configured SSL and DNS, documented Disaster Recovery Plans, and created Deployment Plans for PROD releases.• Earned 7 AT&T Awards for outstanding contributions in Data Center Migration, CI/CD Development, Project Retirement, and Server Optimization.

• Co-founded 1,700+ member AT&T Innovation Network, guiding innovative teams through AT&T’s Patent Disclosure process.• Secured executive sponsorship and funding, elevating the AT&T Innovation Network to an official AT&T Employee Network in 2018.• Strategized with executives, capitalizing on collaboration opportunities across Employee Networks.• Delivered Patent Process presentations, fostering awareness among interns and new hires.• Oversaw development projects originating from teams in the AT&T Innovation Network, ensuring successful execution.• Earned 4 AT&T Awards at AT&T International Conferences for Collaboration, Innovation, Leadership, and Excellence in Action.

• Mentored 4 team members and created 60+ wiki documents on application architecture, tooling, and DevOps processes, enhancing team productivity and improving onboarding time.• Shadowed 2 retiring engineers for 12 months (Team Lead and Senior Support Engineer), documenting knowledge transfer to ensure seamless continuity in application support and DevOps processes. Assumed leadership role.• Co-led 60+ PROD releases and deployments across 2 WebSphere applications.• Automated installation of 2 applications, integrating vendors components and implementing LDAP replication.• Facilitated 2 data center migrations, including on-prem to Cloud transition. Validated applications pre and post migration.• Provided expertise to 10+ Production Support Team members on automation, third-party integrations, and LDAP for system architecture upgrades.• Earned 1 AT&T Award for Team Contributions and featured during Organizational Employee Spotlight Event.

• Mentored 5 team members and created 250+ wiki documents on MicroStrategy, Ruby on Rails, jQuery, application architecture, tooling, and DevOps processes, enhancing team productivity.• Co-led 10+ releases of Rails and data visualization applications and deployment of new PROD environment.• Demonstrated to executive leadership the post-release enhancements of applications.• Managed 8 MicroStrategy data visualization dashboards and workflows utilized by executive leadership.• Modernized file drop box application from Flash to jQuery, AJAX, and Bootstrap, increasing upload size 5x to 10GB, enabling resumable and multiple file uploads, streamlining UI.• Co-led application hardening efforts by implementing DB logging, upgrading Postgres, Ubuntu, NGINX, Apache, and the MicroStrategy platform. Delivered fixes for Bug Bounty issues, addressed GDPR compliance requirements, and conducted system scanning, ensuring robust system integrity.• Facilitated automation of WebSphere application with Ansible, including installation, deployment, vendor integration, and LDAP configuration, migration, and rollback.• Facilitated migration of application to managed Cloud environment.• Earned AT&T Chief Data Office Award for outstanding Team Contributions.

• Mentored 1 team member and created 200+ wiki documents on MicroStrategy, Disaster Recovery processes, GIT, AT&T Cloud configurations, enhancing team productivity.• Delivered 23 software releases across 2 applications, including 3 MicroStrategy dashboards for executive leadership.• Provided UI/UX consultations to 160+ employees across 25 teams to develop AT&T branded sites using HTML, CSS, and JavaScript.• Optimized 9 MicroStrategy data visualization dashboards and workflows, saving $50k/year and achieving “EXCEEDS” rating on client surveys.• Collaborated on 7 server retirements and executed scheduled upgrades, bug fixes, storage enhancements, and OS patches.• Earned 2 AT&T Awards for outstanding Team Contributions and 13 AT&T Recognitions for Collaboration.

Our DevOps Team develops Business Intelligence (BI) Data Visualizations on the MicroStrategy Platform.Additionally, our Business Unit designs and promotes Collaboration Tools on platforms including IBM Connections and Atlassian's Confluence Wiki.• Facilitated 8 production releases across 4 MicroStrategy data visualization dashboards.• Designed machine learning algorithm to geolocate 500K+ AT&T employees and contractors, reducing time to geolocate all resources from 8+ hours to under 5 minutes.• Provided 19 UI/UX consultations to 50+ employees to develop 25+ AT&T branded sites using HTML, CSS, and JavaScript.• Presented 32 demoes to 2100+ managers on AT&T Collaboration Initiatives and Methodologies.• Delivered 7 metrics reports including key organizational utilization statistics utilized in executive presentations on rollout strategy.• Developed 2 MicroStrategy data visualization dashboards and demonstrated to executive leadership.• Administered 6 Wikis as Confluence Expert within the Technology Development organization, facilitating patent inception, collaboration, and UI/UX development.• Earned 1 AT&T Award for outstanding Customer Service and 10 AT&T Recognitions for Collaboration.

• Designed proprietary data management software for the "International Trade and Competition Agreement" under the Trade & Competitiveness Global Practice (T&C GP).• Trained 3 employees on software usage and maintenance during hand-off.

• Taught GMAT and GRE classes of 15-20 students for the University of Texas at Arlington.• Redesigned curriculum and created supplemental documents to improve utilization of in-class instructional time.• Helped students improve GMAT and GRE scores by 50-200 points. Clients have been accepted to graduate programs at schools such as Harvard, Northwestern, and Berkeley.

• Helped clients improve GMAT and GRE scores by 50-200 points. Clients have been accepted to graduate programs at schools such as Harvard, Northwestern, and Berkeley.• Helped clients earn A’s in math intensive courses such as Corporate Finance, Options, Accounting, Risk Management, Statistics, Calculus I-IV, Differential Equations, Linear Algebra, Networks, Electronics, Thermodynamics, Vibrations, Control Systems• Developed business and financial plans for start-ups requiring up to $1M in assets.

Founded a commercial framing and drywall installation company. • Negotiated $20k to $290k contracts with general contractors having revenue up to $200M.• Engineered a low-cost ($9k) 36’ by 36’ lighting structure to solve an architectural design problem on the Bachman Lake Branch Library project.• Doubled revenue from $160k to $325k during 5th year of business by generating new leads through business certifications, online subscriptions, and trade shows.• Achieved a 23% gross margin by the 3rd year of business by developing operational plans.• Improved operational efficiency by 21% by training project managers to utilize efficiency metrics when managing labor teams of up to 20 employees.• Decreased project estimating costs by 90% and material waste by 46% by writing an Excel / Visual Basic (VBA) program that calculated material quantities from digitized blueprints.• Managed 3-6 concurrent projects with contract values ranging from $20k to $290k.• Created 10-20 bid proposals per month by estimating material quantities, negotiating vendor prices, contacting clients after bid submission, and performing due diligence on new clients.

Middle School Math / Science Teacher – Taught classes at low-income public schools.• Eliminated 99% of classroom disciplinary issues while requiring no administrative support by inventing an efficient classroom management system that organized 180+ student files containing 60k+ documents and that increased student / parent accountability via biweekly correspondence.• Met daily with teams of 4-6 teachers to share strategies for classroom management.• Delivered presentations, 5-60 minutes in length, 3-7 times per day, for classes of 25-35 students.

Redesigned and cost reduced telecommunication circuit boards.• Realized a 40% cost reduction on the Network Communications Card with a design that improved backward compatibility, upgradeability, functionality, efficiency, stability, and speed.• Worked with teams of 6-10 engineers to brainstorm and implement cost reduction designs.• Tasks included learning VHDL programming language, converting asynchronous schematic designs into synchronous VHDL designs for Field Programmable Gate Arrays (FPGAs), developing ModelSIM test benches, and overseeing prototype testing.

Worked as an entry-level engineer on the Passive Avionics Subsystem team for the Block 60 F-16.• Analyzed $5M - $10M procurement proposals for the Avionics test generator.• Designed an Access database to manage communications among 20+ team members and vendors.• Maintained systems integration and testing schedule in MS Project.

Created novel digital control systems for optical equipment.• Patent: "Method and system for stabilizing and demodulating an interferometer at quadrature", T.J. Tayag and C.A. Belk, U.S. Patent No. 6,597,458, issued 22 July 2003.• Published Work: C. Belk. "The Digital Stabilization and Demodulation of a Fractional Fringe Interferometer." TCU Departmental Honors Research Paper: Engineering. Apr. 2000.• Published Work: T. Tayag, and C. Belk. "The Application of Digital Signal Processing to Stabilize an Interferometer at Quadrature." Conielecomp-2000. Feb. 2000.• Published Work: T. Tayag, and C. Belk. "Digital Demodulation of a Fractional Fringe Interferometer." TI DSPS Fest ‘99. http:/www.ti.com/sc/docs/general/dsp/fest99/poster/index.htm. Aug. 1999.• Analyzed mathematical models of interferometer interference patterns to characterize sub-wavelength vibrations of microelectromechanical system (MEMS) test structures.• Programmed Fast Fourier Transforms (FFT) in assembly language for TI digital signal processors to stabilize interferometer configurations and to quantify vibrations predicted by mathematical models.