Senior System Engineer - O&M & eServices Expert

Ruben G. Herrera

Ashburn, VA ***** 703-***-**** *********@*****.*** https://www.linkedin.com/in/ruben- herrera-cissp-a37bb857/

Profile

Operations & Maintenance (O&M) Engineering Lead with 26 years of supporting commercial and government organizations. IT professional with 26 years of experience in software development, system administration, client workstation installation and configuration, project management, technical architecture and support. Extensive experience in web-oriented and object-oriented architectures, particularly in the fields of e-commerce, e-licensing, web-based applications for the federal government, and customer relationship management (CRM). Experienced in providing technical and project office support to government agencies and in managing development teams tasked with supporting government-owned web applications. Experienced problem solver who considers all aspects of issues and is devoted to high availability and reliability for the applications he supports. Also experienced in interacting with clients to ascertain their business needs, with vendors to work through technical solutions, and in writing and evaluating technical proposals for work with the federal government. Experience

SENIOR IT MANAGER LEIDOS AND LOCKHEED MARTIN (IRS ESERVICES) MAY 2008 – JUNE 2025

· Leverages his eServices application, Java, SQL, and C/C++ experience to perform effort estimation for enhancements to the eServices products, initial triage analysis, and assignment of IRWorks and ServiceNow tickets to developers supporting the eServices project.

· Provides technical expertise to the eServices Project Management Office (PMO) on high-priority defects and architectural initiatives.

· As part of his defect tracking responsibilities, developed reporting functionality to allow Leidos and IRS resources to track weekly, monthly, quarterly, and annual ticket closure rates.

· Assisted the Leidos testing team by creating tracking reports to match IRWorks tickets against defect reports in the Defect Report Tracking System (DRTS) and Rational Team Concert (RTC).

· Spearheads creation of Project Impact Assessments (PIAs) and Very Rough Order of Magnitude (VROM) cost estimates for Work Requests (WRs).

· Drafted schedules to track the work to be done in support of these WRs.

· Created decision support models to assist in assessing priority and risk on the project.

· Serves as a technical advisor on Service Restoration Team (SRT) conference calls dealing with unexpected system outages and provides development leadership on defects impacting the eServices application. This involves maintaining and updating Java, SQL, C++, COBOL/JCL, and Extensible Markup Language (XML) code to resolve defects.

· Leads project code and design reviews and participates in meetings to work out functional requirements with IRS personnel for new enhancement work.

· Supports security authentication and accreditation (SA&A) for the entire eServices suite of products and provides subject matter expertise (SME) to the PMO on matters related to eServices business functionality, architecture, and infrastructure.

· Serves as the point person for handling defects and enhancements related to Digital Fingerprinting

(DFP). This is a vendor-driven application used to support performing criminal background checks for external eServices users.

· Developed the Interagency Security Assessment (ISA) and Memorandum of Understanding (MOU) used by the IRS and the FBI IAFIS in the establishment of the interface for DFP’s predecessor, Automated Electronic Fingerprinting (AEF).

· Advises on the use of eServices functionality to assist in the implementation of larger IRS initiatives related to new legislation, including the efforts to provide users the ability to apply to submit forms in support of the Affordable Care Act (ACA) and Partnership Bipartisan Budget Act (PBBA).

· Advises the Service on the viability and rationale behind implementing new application types such as Certified Acceptance Agent (CAA), Filing Information Returns Electronically (FIRE), and Information Return Intake System (IRIS).

· Created relevant Enterprise Lifecycle (ELC) documentation for systems including engineering plans

(EP), System Deployment Plans (SDP), and Detailed Design Documents (DDD).

· Developed the modernization plan for dealing with IRS Field Applications (FA) and is supporting the Service in its implementation.

· When needed, provides support in updating current project status and identifying and documenting risks to project schedule and budget. Led and supported implementation of Agile methodology on new development work, including serving as a scrum master on implementation of eTranscript functionality.

· Provides much-needed background on the business case for eServices, how it was developed, and how it intended to function. This often provides much-needed insight into its design and the modifications it has gone through over time and how new functionality fits into the larger concept underlying the application.

· Served as a writer on all bid proposals as it pertained to work related to Operations, Maintenance, and Enhancements.

· Interviewed candidates for developer positions on the team. Developed decision support model for determining viability of individual candidates.

· Engaged in strategic planning discussions with Leidos executives and potential partners on future work.

CONSULTANT MCNEIL TECHNOLOGIES JANUARY 2006 – MAY 2008

· Designed and developed a business development tracking system for use by McNeil Technologies Information Management Center (IMC). The system used Microsoft Access and its reporting capabilities to track the creation and status of new business development opportunities.

· Provided Spanish/English translation services on classified documents for Department of Justice. This position required an active Top Secret clearance.

CONSULTANT JBM ASSOCIATES JULY 2005 – AUGUST 2005

· Designed and developed a prototype Web-based application for the generation of enterprise-wide directives required by the Department of Defense. The application used Active Server Pages (ASP) .NET, Visual Basic .NET, and SQL.

SENIOR IT SPECIALIST EXPERTECH SOLUTIONS/AFILON MAY 2001 – MAY 2008 Client: Environmental Protection Agency

· Participated in architectural design and prototype development of a security web site for Environmental Protection Agency (EPA).

Client: Geologics

· Served as a consultant for Geologics, assisting in the development of a Human Resource Management System (HRMS) based on Asynchronous JavaScript and XML (AJAX).

· Developed JavaScript code for individual pages, XML structure used to pass data to these pages, SQL queries to generate the required XML, and C programs for producing web reports from the Deltek accounting system.

· Designed and developed tablet-based inspection form software in support of field applications.

· Created the underlying MS Access database and Visual Basic classes for creation of the inspection forms and metadata used to generate the forms in real time. Client: Internal Revenue Service - eServices

· Provided technical support to the IRS eServices PMO.

· Wrote O&M Concept of Operations (CONOPS) documentation.

· Developed an O&M staffing algorithm and plan for product GoLive.

· Performed Independent Verification and Validation (IV&V) of technical documentation.

· Conducted performance engineering analysis.

· Created white paper on a proposed PeopleSoft system upgrade.

· Provided transition readiness support, which included review of transition to support (T2S) documentation and development of a prototype on-the-job training (OJT) environment.

· Served as a technical SME on several configuration control boards, including the Enterprise Computing Center Configuration Control Board (ECC-CCB) and Release Readiness and Review Board (RRRB).

· Provided Service Restoration Team (SRT) support for high-priority defects and outages.

· Conducted security certification and accreditation (C&A).

· Provided knowledge transfer for web technologies and architectures.

· Conducted reviews of infrastructure Work Requests (WRs).

· Led implementation of Automated Electronic Fingerprint (AEF), which was used by eServices for determining if users had a criminal history and were suitable for the eServices program.

· Used Microsoft Access and Microsoft Excel macros to generate tracking databases for eServices work requests (WRs), defects, and internal controls.

· Provided in-depth data analysis on infrastructure security vulnerabilities, fax transcript failure rates for Transcript Delivery System (TDS), and defect closure rates.

· Developed a high-level prototype using J2EE on WebSphere to demonstrate how the eServices registration works to provide OJT to IRS developers upon transition of eServices. ANALYST/CONSULTANT ANDERSEN CONSULTING/ACCENTURE JANUARY 1999 – MAY 2001

Client: E*Trade

· Work involved setting up servers supporting a project related to customer relationship management

(CRM) for the e-brokerage.

· Served as UNIX and Windows server administrator for the development and testing environments.

· Managed user creation and assignment of appropriate user roles via groups.

· Created and managed service accounts for software. Page 4

· Installed and managed physical devices in the development environment including but not limited to tape drives and RAID storage devices.

· Installed and configured Relational Database Management Systems (RDBMS) on development and test servers including Oracle, Sybase, and SQLServer.

· Performed data uploads to the appropriate RDBMS instances using their out-of-the-box tools.

· Performed extraction, transformation, and loading (ETL) from the appropriate customer databases to the CRM database and data warehouse instances. ETL processes involved writing and scheduling the appropriate SQL scripts to create formatted flat text files and then initiating processing of the flat files through a tool called Ab Initio.

· Managed the configuration management tool used on the project (cvs) and wrote UNIX scripts to allow for checkout of multiple files in support of development. Performed branch creation and merge activities in the cvs system.

· Developed common services to support the project, including file transfer with checksum and creation of Ab Initio configuration files from the source data definition libraries (DDL).

· Performed installation of client desktop tools on developer, tester, and customer workstations.

· Wrote scripts for common maintenance activities, including tape backups, job scheduling via cron, and disk space limit warnings.

· Developed technical documentation regarding detailing how to set up and configure the client and server software required by the project.

· Managed download and installation of open source and COTS software for the project. Client: Cadence Design Systems

· Work involved setting up servers supporting a project related to software e-licensing for a company that makes software used to manufacture semi-conductors.

· Served as UNIX and Windows server administrator for the development and testing environments.

· Managed user creation and assignment of appropriate user roles via groups. Created and managed service accounts for software.

· Managed configuration management software (Microsoft SourceSafe), including merging and creating new software branches.

· Developed scripts to handle Java package creation and migration from the configuration management software using SourceSafe command line interface and Cygwin UNIX OS emulator. Troubleshot issues with Java code migration and notified developers where the issues appeared to arise from.

· Managed security certificate generation for all server software. Installed and configured WebMethods object broker used for ensuring data synchronization.

· Developed common services used on the project including: o Writing Java classes that would be used for ensuring that the e-licensing program could create an encrypted time-dependent symmetric key that would be able to communicate with the software being used for managing the project catalog

o Developing LDAP Java classes that would be used by the employee interface for the e-licensing software to verify that the current user was on the corporate employee database o Developing a security socket Java class that would be used by WebMethods to ensure that all traffic ran through approved secure HTTP port.

· Established coding standards to be used by developers including use of Dynamo web server COTS functionality.

· Documented all installation and configuration steps for server software, configuration management processes, common services, and coding standards.

· Trained server administrators who would manage the production servers. Education

B.S. IN MECHANICAL ENGINEERING MAY 1995 UNIVERSITY OF CALIFORNIA - BERKELEY, BERKELEY, CALIFORNIA

M.S. IN MECHANICAL ENGINEERING MAY 2000 UNIVERSITY OF CALIFORNIA - BERKELEY, BERKELEY, CALIFORNIA

Skills & Abilities

· Programming languages: Java, JSP, C, Visual Basic, SQL (Oracle, SQLServer, DB2, Sybase), JavaScript, ASP .NET, HTML, XML, AJAX, VBA macros, BOE reporting, Crystal Reports

· Operating Systems: Linux, UNIX, Windows

· OS Scripting: korn shell, bash shell, DOS scripting, PowerShell, sed, awk

· Languages: English (fluent), Spanish (fluent), German (intermediate)

· Microsoft Products: Word, Excel, PowerPoint, Visio, Project

· Additional Skills: CMM/CMMC, FISMA, NIST 800 series, EBTS (especially fingerprints) Awards & Certifications

· Awards: Hispanic Engineer National Achievement Awards Corporation (HENAAC) Information Technology Distinction Award, 2014 – Issued by Great Minds in STEM (GMiS)

· Certifications: Certified Information Systems Security Professional, 2015 – Issued by International Information System Security Certification Consortium (ISC2)

· Organizations: Society of Hispanic Professional Engineers (SHPE)

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