I'm looking for a role where I can apply my data analysis expertise to solve real business problems, collaborate with cross-functional teams, and contribute to meaningful, data-driven decision-making
Darren Pierson
@darrenpierson
Data analyst with 15+ years’ experience delivering insights through SQL, Excel, and automation.
What I'm looking for
I am a results-driven data analyst with over 15 years of experience in transforming raw data into actionable insights. My expertise lies in data integrity, process automation, and enterprise reporting, utilizing tools such as SQL, Power BI, Palantir Foundry, and Excel. I have a proven track record of building scalable solutions that drive significant business impact.
In my current role at AT&T, I serve as a Subject Matter Expert across national infrastructure programs, where I have streamlined analytics and reporting processes. My efforts in automating lifecycle tracking tools have improved project visibility by 40%. I have developed SQL queries and Excel dashboards to monitor performance, ensuring standardized data across sources for consistent reporting.
Throughout my career, I have held various roles that have honed my skills in data analysis and project management. From resolving data inconsistencies as a Data Integrity Specialist to leading national project tracking tool development as a Senior Technical Project Manager, I have consistently delivered results that align with business goals. I thrive in collaborative environments and am passionate about leveraging data to drive strategic decisions.
Experience
Work history, roles, and key accomplishments
Data Analyst
AT&T
Jan 2019 - Present (6 years 5 months)
As a Data Analyst at AT&T, I serve as a subject matter expert across national infrastructure programs, streamlining analytics and reporting. I utilize Palantir Foundry for data retrieval and transformation, automate lifecycle tracking tools, and develop SQL queries and Excel dashboards to monitor performance.
Data Integrity Specialist
AT&T
Jan 2017 - Jan 2019 (2 years)
In my role as a Data Integrity Specialist at AT&T, I resolved data inconsistencies and ensured clean datasets. I built dashboards and reports using Power BI to highlight trends and collaborated on defining KPIs and optimizing workflows.
Senior Business Manager / Developer
AT&T
Jan 2015 - Jan 2016 (1 year)
As a Senior Business Manager / Developer at AT&T, I designed internal tools using SharePoint and SQL, automated data tasks with Excel scripting, and defined business rules for internal analytics, ensuring alignment with user needs through collaboration.
Senior Technical Project Manager
AT&T
Jan 2010 - Feb 2014 (4 years 1 month)
In my role as a Senior Technical Project Manager at AT&T, I led the development of a national project tracking tool, standardized reporting practices, trained users on analytics tools, and managed data coordination between internal teams and vendors.
Business Analyst
AT&T
Jan 2009 - Jan 2010 (11 months)
As a Business Analyst at AT&T, I built templates and dashboards for regional tracking, created executive reports using Business Objects, validated transport data for project planning, and supported integration efforts for improved transparency.
Education
Degrees, certifications, and relevant coursework
Southern Illinois University
Bachelor of Arts, Arts
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Job categories
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