Information Technology System Administrator

Rajesh Acharya

248-***-**** (m)

* ** *

SUMMARY

Information Technology professional with over 20 years of experience

Software Design and Development in Python (using Flask and Swagger).

Migration of legacy back-end code from Perl and PHP to Python.

Worked with various Databases such as Sybase, Oracle, Postgres, MongoDB, Couchbase, RedShift, and MySQL.

Highly motivated and enthusiastic. Quick learner of new technologies.

Diverse technical knowledge with strong verbal and written communication skills.

System Administration on various flavors of UNIX/Linux

Web Server Administration on Apache

QA Testing, Debugging, and user documentation.

Worked on Freelance projects for various small business

Efficient organizational and analytical skills with attention to details.

A self-starter with initiatives and an excellent team player. CERTIFICATIONS / TRAININGS

Big Data and Hadoop Certification

Python Programming Certification

BrainBench Certified for UNIX Korn Shell Scripting, JavaScript, HTML, JAVA2 Fundamentals, RDBMS Concepts, Web Design Concepts, Oracle PL/SQL Fundamentals, and Bash.

Sun Certified System Administrator for Solaris 8.

Attended training for BEA WebLogic 7.0 Administration. PROFESSIONAL EXPERIENCE

Dexian, LLC, Princeton, NJ April 2024 - Present

Bank of America, Pennington, NJ

As member of the Data Quality Hub Data Ops (DQHub), was responsible for assuring and verifying daily global market data from upstream get uploaded to Data Lake for downstream consumption. Performed in the role of Release Manager to promote code to preprod, validating integration and preprod build, reporting build issues to BDO (Business Development Organization), performing code review, and approving code for inclusion to integration train. HCL America, Sunnyvale, CA October 2021 – June 2023 Verizon Business, Irving TX

Technical Specialist

Several security incidents require a response action if they are harmful incidents. This is the case where Security Operations team have to take an appropriate action by using Customer EDR tools.

Response Automation will help MDR incidents to get auto closed where XSOAR will integrate with Customer Third party EDR tools and will take the appropriate action.

GCP Budget and Enhanced Rule Engine

Rajesh Acharya

248-***-**** (m)

2

OCI migration to Lambda

Responsibilities

Investigate various API contents provided by Paolo Alto Network for various EDR (Crowdstrike, Cylance, Okta, etc) and document the requirements for building Response UI.

Write custom scripts to extend capabilities of the commands provided by the API.

Design the runbooks to utilize the custom scripts.

Participate in KT sessions with QA group and MDR groups.

Document all required steps involved with setup of EDR (end-to-end).

Work on various tasks GCP budget and mentoring new members on Python and Perl.

Write APIs in Python that are used in Jenkins build process and in Verizon OneCloud System.

Conversion of legacy code written in Perl and PHP to Python for OCI

Create lambda cron jobs for gathering metrics from GCP used for cost estimations.

Unit and Integration testing for Metrics crawler scripts. Fliptrx, Jersey City, NJ April 2020 – July 2021

Python Developer

Flipt is determined to disrupt the status quo and invent a new kind of pharmacy benefit management. Their mission is to give plan sponsors an easy-to-implement benefits solution and plan members an easy- to-use platform that lowers costs by promoting price transparency and consumer choice while better aligning interests throughout the healthcare system. Continued work on various product initiatives decided during each sprint cycle. Primary development environment was Python 3.8. Also used third-party libraries such as Apache AirFlow, twillo-sendgrid, pandas, numpy, and couchbase.

Technologies utilized were:

Python 3.9 with OOPS Fundamentals

couchbase (for NoSQL database),

Amazon Redshift (Relational DB)

git (for version control),

Develop unit and integration test scripts with PyTest

AWS EC2 (for dev, stage, and prod environments),

S3 (for storage),

Apache Airflow for job scheduling and monitoring.

JIRA (for project status tracking)

ACI Infotech May 2019 – March 2020

FliptRx, Jersey City, NJ

Python Developer/Production Support

Rajesh Acharya

248-***-**** (m)

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Flipt is determined to disrupt the status quo and invent a new kind of pharmacy benefit management. Their mission is to give plan sponsors an easy-to-implement benefits solution and plan members an easy- to-use platform that lowers costs by promoting price transparency and consumer choice while better aligning interests throughout the healthcare system. Worked on various product initiatives decided during each sprint cycles. Primary development environment was Python 3.6. Also used third-party libraries such as twillo-sendgrid, pandas, numpy, and couchbase. Also was responsible for release management and production support of back-end processes. Technologies utilized were:

Python 3.9 with OOPS fundamentals

couchbase (for NoSQL database),

briefly worked on the claim processing subsystem written in Flask

git (for version control),

Integrate with REST API (GraphQL) for user lookup

AWS EC2 (for dev, stage, and prod environments),

S3 (for storage),

JIRA (for project status tracking)

Spectrum Consulting August 2018 – Feb 28, 2019

Sema4Genomics, Inc, Mount Sinai Hospital, NY

Python Developer

Worked on the NIPT (Non-Invasive Prenatal Testing) dashboard to fix current issues and improve the UI experience. The UI dashboard was developed using Django framework and MySql database for storing the test results uploaded through batch processing. The system also uses Docker container to compartmentalize the CRON processes and web process. Also, worked on migrating the NIPT dashboard from Python 2.7 to 3.x Technologies used:

Python, Django

MySQL, Docker

Git for source control

JIRA for ticketing

Tavant, Inc May 2018 – August 2018

Compass Inc., 90 5th Avenue, NY, 10011

Python Developer

Worked on designing and writing custom Feed applications in Python for loading MLS (Multiple Listing Service) data from RETS (Real-Estate Transaction System). The app connects RETS and retrieves MLS data for certain geo location and load the data into Mongo database RAW collection during ingestion based on property classes. The Feed application also consisted of the migration application that process the RAW and create the intermediate and published listing collections after merging geo-spatial data and retrieving additional information from REALTRACS for properties.

Rajesh Acharya

248-***-**** (m)

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Technologies used:

Python, RETS python libraries

MongoDB, AWS, and S3

GIT for source control

Gerrit for build and code review.

DataInc, Montvale, NJ April 2017 – January 19,2018 Bank of America, 222 Broadway, NY

Application Architect V

Worked with Ozone, a strategic platform within the bank proprietary Quartz platform, to facilitate the operational process and management of filters that are utilized to control the trade data. These filtered data feed into the Risk, Collateral, and Capital calculations. The governance framework provides a centralized end-to-end workflow for management of filters/rules, whereas the Dynamic Rule Engine (DRE) provides a common framework to consistently apply the approved filters to control the trades across various consumers (credit, cva [credit valuation adjustment] and other valuation adjustment, imm (internal model method))

Participate in scrum/jira status meetings

Implement changes in various modules of Ozone (in Python)

Implement changes to existing filtering rules based on BA requirements

Implement new filters based on BA requirements

Provide DQ extracts to BAs for impact analysis

Load extracted data to databases for BAs for Analysis

Participate in validation post-release.

Cognizant, Inc, Teaneck, NJ July 2016 – Feb 2017

JPMChase & Co., NY, NY

Support/Python Developer

Worked in the support Group to manage and enhance Typhoon (in-house software change management) System.

Based on user issues, update the backend python code to implement changes to fix the system.

Worked with SVN and Jenkins to perform build of the Typhoon system for minor and major releases to production.

Worked with MySQL database to improve data quality.

Worked in a Linux environment using MySQL.

Tangoe, Inc., Parsippany,NJ Dec 2009 - Jun 2015

Developed Python deamon processes that filter, price, and load CDR data to Oracle DB.

Wrote script in Python and Expect API for running commands/programs on remote servers.

Worked with complete rewrite of filtering script in Python for a major client to process CISCO call manager IPT CDR records based on rules provided by client.

Maintained and enhanced Python scripts for Chargeback and Rebill clients.

Implemented services for new and existing clients.

Created a tool using Java to extract table and data from DB2 database files. Great performance improvement in time over running the python script on windows.

Developed wrapper scripts in Bash shell to automate execution of multiple Python scripts.

Used Oracle SQLDeveloper to develop and design SQL queries for implementations.

Provided support to other developers and groups on CDR related queries. Rajesh Acharya

248-***-**** (m)

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Build a web interface pages in Php and Python to view status of CDR load.

Wrote ad hoc Perl scripts for reporting.

Strategic Staffing Solutions, PA May 2009 – Dec 4th 2009 Cigna, Corp, Philadelphia, PA

Perl Developer

Wrote a complex daemon script in Perl to perform Quality Assurance on Health-related files according to business logic/rules.

The script monitors input directory for files to be audited as per mapping information.

Process the file in a separate thread independently according to file layout.

Use Semaphores and shared memory for tracking status on various running tasks (ie: progress and lines processed)

Email report on failed audits to respective business group.

Built secondary monitor tool which could be used to view running processes. Tekmark Global Solutions, Piscataway, NJ July 2008 - Feb 2009 Telcordia Technologies, Piscataway, NJ

UNIX/System Engineer

Worked on a project that involved moving an AOS (Area of Service) cluster servers from one SPACE (Database Server) to another SPACE. Prepared MOP (Method of Procedure) documentation to "SWING" the AOS (Area of Service) nodes from a source SPACE (DB) to a new target SPACE

(DB).

InfoSys, Bridgewater, NJ Feb 2007 - May 2008

DowJones and Company, South Brunswick, NJ (2/2007-12/2007) Programmer Analyst

Supported a re-engineering/porting project for internal Web-based DAMS (Digital Assets Management System).

Re-engineered various application related spooler scripts written in shell and Perl.

Engineered a generic install script in bash shell for installing and deploying the CPAN modules for DAMS (Digital Asset Management System) and other related projects. Goldman Sachs, Jersey City, NJ (1/2008-5/2008)

Programmer Analyst

Worked in the Equity Middle-Office Department to enhance various build scripts and tools.

Was responsible for running automated test scripts and Production Support.

Analyzed application requirements and creating JILs for use with Autosys.

Configured in-house packaging application on Tomcat and Apache.

Developed new tools to be used for test automation using Perl and UNIX Shell. Accenture, Wilmington, DE Jul 2004 - Dec 2006

Comcast Communications, Mount Laurel, NJ (7/2004-4/2006) Programmer Analyst

Used Perl and LDAP programming to develop scripts for quality auditing and reporting.

Assisted with complicated data cleanup of legacy subscriber data.

Provided production support on the Data Migration Team

Certified new cable modems for DOCSIS for Comcast Rajesh Acharya

248-***-**** (m)

6

Documented procedures for performing certification wave, and setting up CVS. Comcast Communications, Mount Laurel, NJ (7/2006-12/2006) Sr. System Engineer

Worked with the PPT group to automate the software upgrade process

Automated the process for installing patches for the Cisco SoftSwitches (BTS 10200 - Call Agent and EMS).

Reduced time required for manual patch updates by 50%.

Engineered scripts in Perl to install/uninstall Cisco's patches on the appropriate servers AT&T, Piscataway/Middletown, NJ Jun 1998 – Dec 2003 System Administrator/Developer/Technical Staff

AT&T is the largest communications holding company in the world by revenue. AT&T offers one of the world's most advanced and powerful global backbone networks, carrying 17.6 petabytes of data traffic on an average business day.

Provided technical support for the CDDS-II (Call Detail Data Systems), one of the many back-end systems for collecting call details for billing.

Provided Tier-III Production Support for the CDRP (Call Detail Recording Platform).

Maintained tools used for simulating call traffic using C language in the CDRP project.

Maintained production-like environment in lab for analysis of field issues.

Performed system integration tests for new releases and features of CDRP.

Lead the project effort to phase out the NCR Communication servers.

Performed Source Control and Version Control Administration (Sablime).

Installed and configured Netscape iPlanet Enterprise Web Server to serve application.

Performed System Administrator of twelve HP9000 (C, D, and R series) servers used for development and testing.

TECHNICAL SKILLS

Big Data: Hadoop, Hive, PIG, Oozie, Spring Batch

Databases: Oracle, MSSQL, MySQL, Sybase, HIVE

Applications: Tomcat, Weblogic 7.0, Microsoft SNA Server, MS Visio. Web Servers: Apache, MS IIS, iPlanet, Netscape Enterprise Server. Protocols: TCP/IP (FTP, HTTP, SSH, DHCP, SNMP, SMTP, LDAP). Monitoring: HAWK.

Scheduling: AutoSys, Cron, Oozie

UNIX Tools: grep, awk, sed, tar, mailx, find, sam, cut, diff. Scripting: Python (V2.7 and 3.x) Bourne, Korn, Perl, Expect, and C Shell. Programming: C/C++, Visual Basic, JavaScript/Java, Pascal, Expect, HTML, TCL/TK, SQL, YACC, LEX, MapReduce, PIG.

Network: NIS, NFS, DNS, SAMBA.

Messaging: IBM MQ Series.

Rajesh Acharya

248-***-**** (m)

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Version Control: CVS, GIT.

OS: RedHat Linux, CentOS, AIX, BSD, Windows NT/XP/Vista. EDUCATION

BS, Computer Science (1993)

East Stroudsburg University, East Stroudsburg, PA

SOCIAL

LinkedIn: http://www.linkedin.com/in/rajeshacharya CODE REPO

GITHUB: https://github.com/sorkan/New_base,

https://github.com/sorkan/Market_Auction_Calculator, https://github.com/sorkan/AWeber

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