Data Engineering at L3Harris Technologies
Roles, Comp & Culture
An L5 senior data engineer at L3Harris Technologies sits around $121K total comp from 32 verified salary datapoints. The ladder runs from about $98K at entry up to $121K. L3Harris Technologies pays data engineers below other Technology companies. Reviews put them at 3.6 on Glassdoor, a little below the middle of the pack. L3Harris Technologies employees are stressed and employee happiness is trending down over the past year. Layoff risk scores low for the next 30 days.
L3Harris Technologies data engineer compensation
Each level's figure is the median of individual L3Harris Technologies offers at that level, so it reflects a typical outcome rather than an average pulled up by a few large packages. Total comp counts base salary plus equity and bonus annualized over the vest, and the range shown is the middle half of offers, with the top and bottom quarters trimmed off.
L3Harris Technologies employee sentiment, tracked weekly
Employee happiness for data engineers over the past year, so you can see which direction it is moving, not just where it sits today.
Recent L3Harris Technologies events
Layoffs, leadership changes, and other major moves at the company, with dates.
- Exec departureMar 2026Leadership change
- Exec departureJan 2026Leadership change
- LayoffDec 2025~32 roles cut
- LayoffSep 2025~149 roles cut
- Exec departureDec 2024Leadership change
Notable company events we track, with dates.
Preparing for the L3Harris Technologies loop
The round-by-round process, example questions, and prep plan are on the interview guide.
Compare L3Harris Technologies with other data engineering employers
How the role, pay, and loop stack up against peer companies.
Prepare at L3Harris Technologies interview difficulty
- 01
Reading a solution is not the same as writing one
Every engineer who has frozen on a query they had read a dozen times knows the gap. The only preparation that closes it is producing the answer yourself, under time, before the interview does it for you
- 02
76% of hiring managers reject on the coding task, not the resume
From HackerRank's 2024 Developer Skills Report. Candidates who look strong on paper still fail the live screen if they haven't done timed, executable practice
- 03
5 problem shapes cover 80% of data engineer loops
Dedup, sessionization, top-N-per-group, slowly-changing dimensions, partition tricks. Writing the shapes by hand turns the unfamiliar into pattern recognition