Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 7 May 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%	2,842 5.96%	1,204
Linux	51	Down -20 places-20	£500	-9.09%	1,891 3.96%	960
Windows Server	191	Down -56 places-56	£485	-7.61%	662 1.39%	400
Unix	215	Down -66 places-66	£469	-6.30%	554 1.16%	134
Windows 10	239	Down -82 places-82	£200	-11.11%	503 1.05%	128
Android	296	Down -45 places-45	£450	+12.50%	377 0.79%	158
Apple iOS	337	Down -81 places-81	£448	+12.06%	314 0.66%	136
Red Hat Enterprise Linux	373	Down -150 places-150	£500	-9.09%	272 0.57%	107
Mac OS	433	Down -80 places-80	£263	-19.23%	203 0.43%	116
VMS	493	Down -64 places-64	£500	-6.89%	140 0.29%	84
Ubuntu	546	Down -110 places-110	£525	+5.00%	87 0.18%	62
zOS	548	Down -86 places-86	£495	-3.51%	85 0.18%	11
Solaris	558	Down -110 places-110	£481	-14.40%	75 0.16%	61
Windows Server 2016	558	Down -156 places-156	£475	+11.76%	75 0.16%	41
Windows Server 2019	560	Down -148 places-148	£500	-	73 0.15%	41
AIX	570	Down -120 places-120	£421	-11.47%	63 0.13%	12
Windows 7	583	Down -144 places-144	£213	-11.45%	50 0.10%	15
CentOS	590	Down -164 places-164	£525	-17.64%	43 0.090%	28
Windows Server 2012	596	Down -160 places-160	£500	+17.64%	37 0.078%	21
Embedded Linux	599	Down -120 places-120	£425	-18.07%	34 0.071%	66
Mac OS X	611	Down -135 places-135	£314	-21.56%	22 0.046%	1
Debian	613	Down -120 places-120	£555	+0.90%	20 0.042%	9
Data ONTAP	613	Down -119 places-119	£500	+25.00%	20 0.042%	4
Windows Server 2003	615	Down -139 places-139	£173	-68.05%	18 0.038%	1
FreeRTOS	615	Down -117 places-117	£425	-32.00%	18 0.038%	34
SUSE	619	Down -128 places-128	£500	-9.09%	14 0.029%	3