Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 30 Apr 2026	Rank YoY Change	Median Daily Rate	Median Daily Rate YoY Change	Historical Absolute & Relative Jobs Vacancies	Live Jobs
Windows	27	Down -5 places-5	£415	-2.35%	2,835 6.01%	950
Linux	49	Down -18 places-18	£500	-9.09%	1,902 4.03%	720
Windows Server	192	Down -58 places-58	£488	-7.14%	662 1.40%	326
Unix	215	Down -66 places-66	£468	-6.40%	554 1.17%	88
Windows 10	236	Down -76 places-76	£200	-11.11%	514 1.09%	99
Android	304	Down -36 places-36	£425	+6.25%	382 0.81%	114
Apple iOS	355	Down -87 places-87	£450	+12.50%	307 0.65%	87
Red Hat Enterprise Linux	383	Down -145 places-145	£500	-9.09%	274 0.58%	53
Mac OS	443	Down -70 places-70	£275	-21.42%	203 0.43%	85
VMS	508	Down -65 places-65	£500	-7.40%	137 0.29%	37
Ubuntu	558	Down -105 places-105	£525	+5.00%	87 0.18%	54
zOS	562	Down -86 places-86	£493	-3.90%	83 0.18%	8
Windows Server 2016	567	Down -150 places-150	£481	+20.31%	78 0.17%	37
Windows Server 2019	573	Down -144 places-144	£500	+8.10%	72 0.15%	40
Solaris	575	Down -108 places-108	£476	-15.29%	70 0.15%	25
AIX	583	Down -123 places-123	£416	-13.55%	62 0.13%	10
Windows 7	595	Down -145 places-145	£200	-9.31%	50 0.11%	13
CentOS	603	Down -162 places-162	£525	-19.23%	42 0.089%	18
Windows Server 2012	603	Down -156 places-156	£488	+21.87%	42 0.089%	18
Embedded Linux	612	Down -120 places-120	£425	-15.00%	33 0.070%	61
Mac OS X	623	Down -131 places-131	£314	-21.95%	22 0.047%	1
Windows Server 2003	625	Down -137 places-137	£173	-67.93%	20 0.042%	1
Debian	625	Down -116 places-116	£555	+0.90%	20 0.042%	10
Data ONTAP	626	Down -118 places-118	£510	+27.37%	19 0.040%	2
FreeRTOS	628	Down -117 places-117	£425	-32.00%	17 0.036%	29
Windows Server 2008	632	Down -132 places-132	£525	+35.48%	13 0.028%	7
SUSE	632	Down -127 places-127	£500	-9.09%	13 0.028%	3