Sergio Velez Email & Phone Number

Bethesda, Md, Us

Washington, Dc, Us

Worldwide, Oo

Management and development of successful technology projects for multiple clients and organizations within the Government and Public Sector.

Washington, Dc, Us

DHS HQ Countering WMD• Tenable Nessus, McAffee ePO, Splunk, CA PAM Cybersecurity Subject Matter Expert. • OpenVas, MetaSploit, Kali Linux setup and implementation of Offensive Vulnerability Penetration Test Scans and Defensive Penetration Activities.• Lead the creation of CI/CD pipelines for applications, and script existing and new infrastructure using repeatable Ansible and CloudFormation scripts.• Developed automated methodology for DISA STIG and Cybersecurity compliance AWS EC2 Image Builder for AWS-Linux2 and Windows Server 2019 systems.• Configuration of AWS Systems Manager and AWS Session Manager• Maintain infrastructure and develop new virtual infrastructure for applications.• Assist in hybrid cloud deployments and contribute to best practices across the team.• Brief senior leadership and end users at varying levels of familiarity with cloud technologies, about technology best practices, and benefits of our approach.• Deploying, automating, maintaining and managing AWS cloud-based production, pre-production and dev environments, to ensure the availability, performance, scalability and security of Docker containers on Red Hat OpenShift environments.• Build, release and configuration management of the above environments.• Pre-production Acceptance Testing to assure the quality of our products and services.• Critical system security through the use of best in cloud security solutions.• AWS maintenance and outages, assess and develop strategies to minimize impact• Author CloudFormation scripts, and help maintainer of existing script repository• Work independently in an agile Kanban environment to complete tasks, report status, identify blockers, and pro-actively resolve issues• Set up, configure and maintain a Jenkins-based CI/CD pipeline• Self-starter, with an ability to pick up new AWS and scripting technologies

Washington, Dc, Us

Design, installation and automation of secure architecture elements.Responsible for designing and implementing infrastructure services, cybersecurity guidelines and technical standards.• Autonomous Systems Advanced Mission Solutions group with experience applying Security Enhanced Linux (SELinux) on Red Hat Enterprise Linux (RHEL) Systems. • Experience developing, reviewing and administering custom SELinux policies for RHEL 7.x systems and performing security and maintenance audits.• Build custom policy rules building off of the baseline RHEL 7.7 policy• Scan for programs to include in custom policies for mandatory access controls• Review software interface designs to design and implement custom mandatory access controls• Create custom policies for role-based access controls• Integrate and test policy rules with developmental software• Coordinate updates and design questions with 3rd-party SELinux policy analysis partners

Washington, Dc, Us

Project: 2020 Census - Decennial Systems of Systems Hybrid CloudCloud adoption and infrastructure optimization in support of mission-critical applications.Large scale, technical integrations of systems designed to harness the power of data.Guide government agencies in risk mitigation and sensitive data and systems security.Key contributor to the implementation of a large scale solution for a multi-cloud, multi-site System of Systems by administering and securing a base of 6’000 servers in the hybrid cloud currently hosted in a mixed environment of bare metal on-prem and virtual AWS and VMware cloud servers.Primary tasks and responsibilities include:• Increase operational efficiency and accuracy via the use of software automation• Manage, coordinate, implement and remediate security compliance & vulnerabilities• Administration of Kerberos/Pam for RHEL and MS Active Directory integration.• Develop and review SOP within the Operations Team• SME deploying, troubleshooting, administering RHEL 7.x and Microsoft Windows 2012 R2• Development of enterprise security solutions using PowerShell scripts• Implementation of SolarWinds, AppDynamics, Vmware VROps and Splunk.• Expert Infrastructure / system / application troubleshooting abilities• Expert automating and orchestrating the provisioning of new services.• Amazon Web Services GovCloud (AWS) (EC2, S3, Snapshots, Cloudwatch)• Knowledge of Citrix VDI, Oracle RDBMS/RDS, Weblogic, Tomcat, IIS, etc.• Implementation and configuration of auto deployment tools (Ansible, Puppet, Chef)• VMware Software Defined Network (SDN) NSX administration• ITSM products (Remedy and ServiceNow) CRQ/WO/INC/KMS management• Experience with managing Microsoft Windows 2012 R2 in a large environment including (1’000+ windows systems and 5’000+ Linux servers).• Fluency using MS Active Directory and management of policies & user objects• Managment and administration of VMware 5.5+, vCenter, vSphere, vRealize.

Washington, Dc, Us

Project: DC1 Neptune System Cluster Solution Implementation in ProductionPrincipal subject matter expert for the implementation of the DHS Data Framework, a scalable information technology program involving advanced data architecture and governance used to constantly analyze intelligence and national security threats.• Consolidation of 120 DELL, HP and Cisco servers and administration of several Network Switches at the NASA Stennis Spacecenter, DC1.• Designed, configured and upgraded all the network systems supporting production operations, including all the Arista switches, for ATO compliance and efficiency.• Owner of the primary and secondary DNS system, the setup and maintenance of the critical NTP network time service and the installation and generation of the DHS HQ PKI certificates for secure data transfer methods.• Lead the technical server adaptation and the automated deployment of Cloudera, HDFS, Spark and Hadoop systems on the production cluster. • Team lead, responsible for the strategy to lay out the installation of software components and methods using DevOps, Ansible, Puppet and Expect.• Responsible for the Cluster Design of the Staging and Production Infrastructure.• Networking Setup of a dedicated Secure Extranet Communication Line to Exchange TSA Secure Flight Data in Real-Time and Detect Terrorist Encounters.

Washington, Dc, Us

Project: Glyph I.O. Enterprise Solution DevelopmentExperience: Project Management, Application Design / Development, NetworkingSoftware Developer of Glyph I.O., a Real-Time Communications Intercept Solution.Technical Expert / Product Owner responsible for the research, design and implementation of Glyph I.O., an autonomous Networking Service and Server Application developed for parsing / decoding the Voice over LTE (VoLTE) advanced mobile telecommunications 4G standard enclosed in TCP/IP communication streams for performing lawfully authorized data communication intercepts and surveillance in a secured environment. It consists of an autonomous stream processing platform custom developed to ingest proprietary binary communication streams in real-time, ingesting and decoding call data and voice communications. Glyph I.O. is capable of ingesting ASN.1 raw binary network data packets encoded as a proprietary FAST and REST Web Service conforming to the specific group of international standards from ITU, ATIS and TIA, used during the lawfully-authorized electronic surveillance/communication interception by Law Enforcement Agencies.Performed the installation and configuration of Debian Linux Enterprise Servers and development of the Glyph I.O. data decoding solution using the standard C++ language to process a live encoded binary network stream. This automated data decoding process completes with the distribution and network stream delivery of the data packets. All real-time ingested data is stored into a MongoDB NoSQL database, as XML documents, using a BSON Binary JSON data representation that delivers excellent performance. Participated in special knowledge transfer sessions with FBI experts, in the field of binary data structure decomposition and disassembly methods and produced automation programs in C, Erlang for manipulating the data structures.

Alexandria, Virginia, Us

Project: Enterprise Red Hat Linux Server and Oracle 12C Database SetupExperience: Project Management, Red Hat Linux Installation and Configuration, Oracle 12C Setup and Configuration, Migration Lead Architect Technical Expert Consultant responsible for the setup, installation and configuration of an Enterprise Red Hat Linux Server and an Oracle 12 C Database.

Alexandria, Virginia, Us

Web Application Development / Database Manager / Server Administrator Subject Matter Specialist Team LeadProject: Web Development Technology ConsultantExperience: Project Management, Web Application Development Team Lead Technical Expert and author of the Reference Prototype for more than 50 Enterprise Web Applications. Knowledge Sharing Principles and Successful Technology Transfer Practices among a team of 8 experienced professionals and their web application development and database integration activities. Developer of the reference implementation of multiple applications and primary consultant in support of other members of the team. Principal Technical Expert responsible for leading and supporting the implementation of the Kerberos Authentication Protocol and the Advanced Encryption Standard AES-256, the interoperability with the Microsoft Active Directory, the Networking Setup and Configuration on the Linux Server and the installation and utilization as a core component of multiple web applications that run on 3 Linux Servers.Project: Kerberos Network Security Module Setup with Advanced EncryptionExperience: Networking Security Administrator ExpertResponsible for the design and implementation of advanced networking configuration standards using Kerberos Single Sign On and the AES-256 advanced encryption leading and coordinating the efforts of the USPTO Enterprise Directory Services specialists and performing the Red Hat Linux server installations, tests and configurations, while elevating the security of the encryption protocols and expanding the web browser support to include not only Internet Explorer but also Google Chrome, which is a significant technical achievement.Principal Technical Expert responsible for the support and technical administration of 8 Red Hat Enterprise Linux servers and 4 Oracle Database 10g installations.

Alexandria, Virginia, Us

Project: Principal Administrator of Multiple Enterprise Linux ServersExperience: System Administrator Lead Principal support specialist and administrator of a group of 4 Red Hat Linux 3.4 servers and 2 Oracle Database Servers Version 10g. Disaster recovery expert able to repair and recover systems from the most drastic events. Installation and configuration of Operating System Security Patches, Programming Applications like Perl, PHP, Java and C++, Databases like MySQL and Oracle and Application Servers like Apache Web Server and Tomcat Servlet Container. Able system configuration expert with experience on Kerberos and LDAP Network Authentication protocols.Project: Work-Share Application SystemExperience: Project Management, Web Application Development / MaintenanceWeb application development in support of the FLASH / UKIPO / JPO Trilateral cooperation in patent matters between the USPTO, the European Patent Office (EPO) and the Japanese Patent Office (JPO). While sending massive personalized email campaigns via the Work-Share Application, thousands of examiners received and reacted to the international priority document requests in order to expedite specific Patent Applications as required.Project: Patent Examiner Cost Accounting SurveyExperience: Web Application Development USPTO Manager: Toby BrownProject Manager: John E. BarlowWeb Application Development of the Patent and Trademarks Office Patent Examination Cost Survey for the Fiscal Years 2010, 2011, 2012, 2013 and 2014 which is used by the Department of Finance to accurately report how the USPTO funding was used to operate the USPTO during the fiscal year. This application was developed using Perl and Oracle and includes a password protected feature for access control and an administrative section used to generate reports on the collected information.

Alexandria, Virginia, Us

E-Commerce/eGov DivisionProject: EBC Issue Tracker System 2.0Experience: Web Application Development and MaintenanceWeb Application Development of the EBC Issue Tracker System Versions 2.0 and 2.1, a Web Application used concurrently by 20 support agents at the USPTO Electronic Business Call Center for customer support requests management, tracking and resolution. This application has been developed using Perl to interact with an Oracle database backend.Office of Patent Financial ManagementAdministration and maintenance of the OpBudget Modeling and Budget Administration System, an Oracle Express Multi-dimensional database integrated to Oracle Financial Analyzer on HP-UX servers.E-Commerce/eGov Division- Development of the Error Indexing Application (EFS-Web), a web application developed using Perl and Oracle databases.- Apache web server setup, configuration and maintenance using RHEL5, the leading open source application platform.- Development of stand-alone systems with PHP and MySQL that integrate with internal enterprise applications.Scientific & Technical Information Center (STIC)- Development of the USPTO Patents Search Templates (Stic 2.5), a web application developed using Perl and Oracle databases that provide an efficient interface to administer and maintain a complex family of databases.- By constantly attending meetings with internal groups I was able to produce a master development plan that included a feasible process of continuous improvements and quality deliverables.- The development of reusable generic application components was the key to successfully reduce the development cycle and maximize the quality of the final product.NGS- Technical interviewer responsible for evaluating the proficiency of candidates.

Washington, D.C., Us

Lead Internet application developer responsible for the development of multiple web projects of the University Web Services Department. - Main developer of the SASStastic Framework, a project designed to integrate multiple web applications running on different clients for the benefit of students, professors and staff. This framework is developed following the Model View Controller concept with full object oriented implementation in PHP, PERL and MySQL, and includes Javascript, AJAX, templates, sessions and LDAP authentication.- Developer of Cold Fusion web applications that interact with the Oracle database and support the main site of the university.- XSLT customized implementation of the Google Search Appliance and the Google Search Protocol for different department portals. Examples included the main site of the university and the main web portal of the helpdesk. The Google Search Appliance customizations included the general configuration of the search locations on the site, the configuration of the special keywords to control the documents to be presented as matching the search terms and the specification of the allowed file types to return. It also included the required integration and configuration to have the search appliance automatically establishing database connections in the background to submit queries and retrieve the matching results directly from the database.- Implemented the leading open-source advertising server to operate on the www.gwu.edu website. It includes a banner management interface and a custom enhanced geographic location tracking system. - Red Hat Linux Server Administration, RPM software package updater and Concurrent Version System Administrator.- Responsible for the development and enhancement of the Admissions Travel DB, a database enabled system used by the Undergraduate Admissions staff to track GW promotion visits to high schools across the country.

Dulles, Va, Us

Technology consultant and principal software developer capable of managing concurrent projects from concept to completion with remarkable deadline sensitivity. - Main developer of the initial production versions of the www.maxjet.com portal using Perl, PHP and Java.- Responsible of integrating the private label travel technology service offered by Expedia and the WWTE brand. - Implemented the Timatic real-time travel information service, available to corporate and consumer travel sites through the Worldspan system. - Developer of the Quality Assurance application, a database enabled solution developed in PERL, that was installed on the Unix Free-BSD environment to take control of multiple vendors and the quality assurance inspection results.- Installation and configuration of a banner administration solution to dynamically rotate different banners and track statistics.- Executive Report Module developed to read the latest information from the database and present different kind of graphics and reports.- Travel Agents Application developed to gather, validate and process the information of multiple travel agencies that subscribed through the portal.- Recruiting Application developed to gather information of applicants and store the information in the database. The application produces an XML report readable by authorized users using MS-Excel. - Responsible of the configuration, installation and set up of the Airline Information Management System - AIMS, a software package designed to assist the airline management by controlling and minimizing the costs related to crew, aircraft, flight support staff, administration, hotel, transport and communications. I installed this system on a Microsoft Windows 2003 server configured with the Oracle 9i database and a static IP to be accessed directly from the Internet.

Lead the efforts of 3 web application developers and 2 graphic designers in delivering and maintaining customized web solutions. I had management and technical responsibilities and was able to work effectively with the customer, identifying opportunities to improve the technical solutions we developed. I have significant programming experience, especially regarding the custom development of applications, user interfaces, content management systems and database back-ends. Some of our recent projects include:- Customized development of database driven WYSIWYG control panels and content management systems using PERL, PHP and JAVA.- Customized search engines that locate and highlight the matching words.- Web applications that integrate and automatically obtain vital information from other web sites such as Google.- Run-Time server side web applications for PDF and ZIP document generation. - Domain name special configurations that allow the pointing of multiple domain names to the same ip address and distribute the traffic accordingly.- JSP and Java Web applications that perform the uploading of user information to a secured location of the server.- e-Commerce Solutions, Interchange Shopping carts, Payment Processors Integration, PayPal, 2CheckOut, web calendars, sending emails automatically, and others.Custom Web application development for a list of clients that include: The Holland Embassy, National Salt Company, Tubotec, Raza, Rhayuela, Imaginaria Films, Acoplasticos, Colombian Orthodontics Society and others.

Responsible for designing, recommending, administering and implementing technology solutions in accordance with the policies and directives of the CEO and the other members of the board.Among the web development challenges I faced, was the implementation of an automated solution that eliminated the daily need of gathering the exchange rate for us-dollars from a government agency. I also developed a graphical solution that showed the everyday variation in a convenient and customizable bar graph.Taking advantage of the development of customized web applications I was able to gather information that let us know exactly how many visitors we were having, who they were, what they did on the portal and where they came from.By working on the development of a wide range of web applications, I successfully aligned each co-worker’s role with the duty of the organization of delivering the latest information on a daily basis.

I was in charge of the web site development and the IT department. One of the most significant modules of the web site of Acoplasticos, was the content management system that I developed. This system organized the content in several categories and allowed multiple users to help in the everyday task of adding content. This web site was also empowered with a user management system that controlled 3500 users. Each user could modify the personal information, change the password and interact with the system. The system provided a measure of how often the users visited the portal as well as the kind of sections they preferred. Among the duties when managing the IT department, was a special one that consisted in signing a deal with computer providers as to obtain better prices for the group of member companies.

Developer of the Web Site of Acoplasticos and the content management system. The site includes a Java applet to automatically graph the prices of the plastic resins and present the daily variations.

Automotive Community Expert in charge of performing market research studies and web portal content maintenance and verification.

Off site web developer for different companies, development of the working methodology, html and cgi hand coder, graphic design, web hosting and cost reduction with special domain name redirection setup.

Technical Training, Software Design Of Modern Soa Systems

Technical Training, Design Guidelines And Practice Of Modern Soa Systems, Data Science Research Program

Technical Training, Architecture Principles And Practices

Technical Training, Communications Interception And Data Encoding Management

Industrial Engineering Degree, Quality Assurance / Programming Languages / Internet Technologies

Technical Training, Data Science Research Program

Research Review 2024