Principal Systems Engineer Resume
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Blue Ash, OhiO
SUMMARY:
Well rounded technology expert with a strong background in Applications, Data, Infrastructure, Operations, and Security. Looking for a great team centered around learning and collaboration and focused on building a world - class data platform.
PROFESSIONAL EXPERIENCE:
Confidential, Blue Ash, Ohio
Principal Systems Engineer
Responsibilities:
- Upon joining Confidential, I successfully revived stalled subsidiary integration projects.
- Reviewing applications and infrastructure systems and working with subject matter experts and business stakeholders to plan and implement the consolidation of application monitoring, support, and hardware resources according to Confidential standards.
Confidential, Blue Ash, Ohio
Systems Architect
Responsibilities:
- Led database administration team as the data platform owner responsible for ensuring fault-tolerance, performance, and recoverability of a $150MM 24/7 highly-transactional multi-terabyte database environment (10 TB, 16 Servers, 16 AG, 200 Cores)
- Led a successful hands-on proof-of-concept data warehouse project (data lake) using HDInsight (Hadoop) on Microsoft Azure with the idea that it would allow the company to consolidate and analyze large amounts of data using a wide variety of tools.
Confidential, Blue Ash, Ohio
Database Administrator
Responsibilities:
- Directed DBA workload and projects for data engineering and established “Data Services” department
- Responsible for data modelling and ETL/ELT development for data warehouse
- Set direction for Sr. and Jr. DBAs to ensure system performance, backups, and 24/7 support
- Worked closely with application architects to develop data models for new application features
- Organized/spearheaded data integration for “rapid Paycard” (acquisition)
Confidential, Blue Ash, Ohio
Application Engineer
Responsibilities:
- Led a successful large-scale data conversion involving hundreds of tables for a 10TB production database--six people under my direction across a series of milestones for a total system redesign with hard cutover
- Developed complex T-SQL for reports, analytics, data blending, cleansing, and applications; mentored analysts and report writers on SQL
- Developed many SSIS projects/packages converting data, transferring files (SFTP), and loading tables with billions of rows utilizing ETL and ELT methods
- Developed applications/scripts using C#, PowerShell, and T-SQL to prepare and verify proper file formats and process batches of data through APIs--using the language appropriate to each situation
- Coached analysts, developers, and report writers on T-SQL features and query optimization (joins, set operations (union), correlated sub queries, analytic functions, grouping, aggregation, temp table and table variables, indexing, sargability)
- Vetted data models to ensure application requirements were met and database access was optimized for high volume (design indexes and suggest changes to application code)
- Used “downtime” to perform in-depth application security analysis, identifying and resolving numerous attack vectors and compliance violations. Conducted developer OWASP training.
Confidential, Hillsboro, Ohio
Systems Analyst
Responsibilities:
- Successfully implemented an application integration and upgrade for a Microsoft Access-based application to SQL Server and automated the exchange of information between the ERP system
- Managed a complex security appliance (Firewall, IDS/IPS) to isolate/secure the ERP environment
- Performed penetration testing on ERP web application and network (network and application security)
