Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 17 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	£416	-2.11%	2,848 5.92%	1,079
Linux	50	Down -19 places-19	£500	-7.19%	1,904 3.96%	908
Windows Server	187	Down -52 places-52	£475	-9.52%	666 1.38%	351
Unix	208	Down -49 places-49	£473	-1.97%	568 1.18%	117
Windows 10	238	Down -81 places-81	£200	-11.11%	494 1.03%	107
Android	296	Down -32 places-32	£455	+13.75%	377 0.78%	161
Apple iOS	324	Down -49 places-49	£450	+12.50%	328 0.68%	128
Red Hat Enterprise Linux	364	Down -109 places-109	£500	-9.09%	276 0.57%	69
Mac OS	418	Down -55 places-55	£250	-23.07%	209 0.43%	102
VMS	499	Down -52 places-52	£500	-5.83%	124 0.26%	40
Ubuntu	536	Down -79 places-79	£513	+2.50%	87 0.18%	54
Solaris	540	Down -73 places-73	£484	-16.45%	83 0.17%	26
zOS	542	Down -62 places-62	£493	-1.50%	81 0.17%	7
Windows Server 2019	549	Down -132 places-132	£500	-4.76%	74 0.15%	42
Windows Server 2016	552	Down -143 places-143	£475	+5.55%	71 0.15%	34
AIX	560	Down -88 places-88	£426	-10.31%	63 0.13%	12
Windows 7	573	Down -117 places-117	£250	+13.63%	50 0.10%	12
CentOS	583	Down -119 places-119	£503	-8.63%	40 0.083%	24
Embedded Linux	589	Down -91 places-91	£425	-15.00%	34 0.071%	71
Windows Server 2012	590	Down -138 places-138	£475	+11.76%	33 0.069%	12
Mac OS X	601	Down -106 places-106	£314	-21.75%	22 0.046%	1
Debian	602	Down -90 places-90	£575	+4.54%	21 0.044%	15
Data ONTAP	603	Down -91 places-91	£500	+25.00%	20 0.042%	1
Windows Server 2003	604	Down -110 places-110	£212	-60.74%	19 0.040%
FreeRTOS	605	Down -89 places-89	£425	-32.00%	18 0.037%	28
Windows Server 2008	608	Down -99 places-99	£525	+49.78%	15 0.031%	4