Data Engineering at Illumina
Roles, Comp & Culture
An L6 staff data engineer at Illumina sits around $194K total comp from 39 verified salary datapoints. The ladder runs from about $110K at mid up to $194K. Illumina pays data engineers in line with other Healthcare companies. Reviews put them at 3.4 on Glassdoor, toward the bottom of the pack. Illumina employees are stressed and employee happiness has held flat over the past year. Layoff risk scores low for the next 30 days. 1 data engineering role is open right now.
Illumina data engineer compensation
Each level's figure is the median of individual Illumina 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.
Illumina 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 Illumina events
Layoffs, leadership changes, and other major moves at the company, with dates.
- Exec departureApr 2026Leadership change
- LayoffFeb 2026~3 roles cut
- Exec departureJan 2026Leadership change
- LayoffDec 2025~7 roles cut
- Exec departureMay 2025Leadership change
- Exec departureMar 2025Leadership change
- LayoffJan 2025Layoff
Notable company events we track, with dates.
Illumina data engineering tech stack
The languages, storage, and processing tools Illumina data engineers actually work with, grouped by what they do. Tailor your system-design answers to this stack.
Illumina data engineer job openings
A live read on what they are hiring: open roles, recent postings, where, and at what level.
Preparing for the Illumina loop
The round-by-round process, example questions, and prep plan are on the interview guide.
Compare Illumina with other data engineering employers
How the role, pay, and loop stack up against peer companies.
Prepare at Illumina 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