What does a Principal Enterprise IT Engineer at 1X make?

The median base salary for a Principal Enterprise IT Engineer (principal-enterprise-it-engineer) at 1X is $215K, with a typical range of $215K-$215K (P25-P75). Based on 5 verified reports.

What's the entry-level compensation for Software Engineer at 1X?

C++ Systems Engineer, Foundations (c-systems-engineer-foundations) at 1X has a median base of $164K (range: $147K-$186K), drawn from 34 reports.

How is 1X's Software Engineer salary data sourced?

Data comes from three sources: US Department of Labor H1B Labor Condition Applications (public records), salary bands published on the company's own job listings, and verified community submissions. Every data point is labeled with its source. 47 total reports currently feed this page.

Software Engineer compensation

Software Engineer at 1X

47 verified reports4 levels trackedUpdated Apr 2026Moss, Ostfold, Norway

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Level breakdown

Level	n	Base P25	Base P50	Base P75	Equity	Signing	Bonus	YoE	Top locations	Source split
C++ Systems Engineer, Foundations c-systems-engineer-foundations · L35	34	$147K	$164K	$186K	—	—	—	—	San Carlos, California, United States (n=26) San Carlos , California, United States (n=6) Hayward, California, United States (n=2)	Ingested 34
Senior Materials Lab Engineer senior-materials-lab-engineer · L50	5	$150K	$180K	$185K	—	—	—	—	San Carlos, California, United States (n=5)	Ingested 5
Senior to Staff Firmware Engineer - Battery Charger senior-to-staff-firmware-engineer-battery-charger · L65	3	$213K	$213K	$215K	—	—	—	—	San Carlos, California, United States (n=3)	Ingested 3
Principal Enterprise IT Engineer principal-enterprise-it-engineer · L75	5	$215K	$215K	$215K	—	—	—	—	San Carlos , California, United States (n=4) San Carlos, California, United States (n=1)	Ingested 5