Jason LaJeunesse

Director of Data

Jason leads SEP’s data practice with a focus on modernizing data platforms and helping clients build data and AI foundations that last.

Jason LaJeunesse

About Jason

Background and Education

Jason holds a B.S. in Mechanical Engineering from Purdue and dual master’s degrees from Indiana University’s Kelley School of Business—an MBA and an M.S. in Business Analytics. His career has been rooted in data from the start. He began as an engineer in aerospace, where he moved into data engineering to build analytics systems, refactor legacy data pipelines, and develop predictive tools for fleet maintenance. From there, he shifted into product and engineering leadership, leading teams across data engineering, GenAI, Vision AI, and Industrial IoT in the tech services space. Along the way, Jason has worked across manufacturing, aerospace and defense, and home services.

Working at SEP

At SEP, Jason leads the data practice, working to strengthen the tools, practices, and capabilities that support complex data and AI work. He works with teams to help clients modernize their data platforms, prepare for AI adoption, and build foundations that will serve them well over time. Whether he’s shaping architecture, guiding strategy, or helping organizations figure out what they actually need, Jason focuses on designing systems that are built to last and deliver real value.

In the Community

Jason is passionate about mentoring and has supported the development of engineers, project managers, and early-career professionals throughout his career.

On a Personal Note

Jason lives in Westfield with his wife Rachel and their two kids. Outside of work, he enjoys playing guitar, board games, and traveling and adventuring outdoors with his family.

SEP News Posts

Headshot of Chris Atkinson for his retirement.
SEP News | 3 min read

Celebrating Nearly 30 Years: Chris Atkinson Announces Retirement

Westfield, IN — August 31, 2026 —After nearly three decades of shaping who SEP is and how we work, Chris Atkinson, our Chief Delivery Officer, has announced his retirement, effective August 31, 2026. Chris joined SEP in 1997, coming from an engineering role at UPS after earning his Electrical Engineering degree from Purdue University in […]

Gleaners2Go Truck
SEP News | 3 min read

Eight Donors, One Truck: Fresh Food for 21 Indiana Counties

The SEP Foundation joins seven other donors to fund a refrigerated truck expanding Gleaners’ fresh food delivery across Central and Southeast Indiana Westfield, Indiana – Gleaners Food Bank of Indiana is purchasing a 26-foot refrigerated box truck with support from eight donors, including the SEP Foundation. The truck can transport approximately 20,000 pounds of food […]

Welcome Quentin Law
SEP News | 2 min read

SEP Welcomes Quentin Law as Vice President of Finance

SEP, a 100% employee-owned software product development firm, announces the hiring of Quentin Law as Vice President of Finance. Quentin brings over 22 years of finance leadership to guide the company’s financial strategy and operations.  “Quentin’s background across Big 4 consulting, global manufacturing, and software gives him a well-rounded view of financial leadership,” said Traci […]

CMMC Level 2 Certification Badge in front of SEP headquarters in Westfield, IN.
SEP News | 4 min read

SEP Achieves CMMC Level 2 Certification 

Westfield, IN — July 27, 2026 — SEP, one of Indiana’s largest software development firms, has achieved Cybersecurity Maturity Model Certification (CMMC) Level 2 certification for its development environment, reflecting full implementation of all 110 NIST SP 800-171 Rev 2 security controls with a perfect SPRS score of 110/110. CMMC Level 2 is a Department of […]

2026 SEP Foundation Scholarship recipients
SEP News | 2 min read

SEP Foundation Awards 2026 Scholarships to Two Indiana Students

For the first time, the SEP Foundation Maker Scholarship names dual recipients Westfield, Indiana – The SEP Foundation is excited to announce the 2026 recipients of the SEP Foundation Maker Scholarship: José G., a computer science student at Purdue University Fort Wayne, and Ani A., who is studying computer engineering at Purdue University. This marks […]

SEP Top Work Places 2026
Culture | 5 min read

SEP Ranks #2 on Indianapolis’ 2026 Top Workplaces List

Westfield, IN – May 7, 2026 – SEP, a software product design and development firm based in Westfield, Indiana, has once again earned a spot among Central Indiana’s Top Workplaces, placing second in the Midsize Companies category. The recognition is based entirely on employee feedback collected through an anonymous survey administered by Energage LLC. Survey […]