Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 27 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%	2,833 6.05%	1,038
Linux	50	Down -18 places-18	£500	-9.09%	1,902 4.06%	865
Windows Server	193	Down -63 places-63	£490	-6.66%	662 1.41%	351
Unix	215	Down -68 places-68	£469	-6.20%	548 1.17%	107
Windows 10	227	Down -68 places-68	£200	-11.11%	519 1.11%	101
Android	289	Down -19 places-19	£425	+6.25%	384 0.82%	142
Apple iOS	344	Down -78 places-78	£450	+11.94%	303 0.65%	117
Red Hat Enterprise Linux	363	Down -126 places-126	£500	-9.09%	275 0.59%	69
Mac OS	423	Down -35 places-35	£251	-25.70%	203 0.43%	87
VMS	484	Down -35 places-35	£500	-7.40%	140 0.30%	39
Ubuntu	539	Down -75 places-75	£525	+5.00%	85 0.18%	58
zOS	545	Down -57 places-57	£493	-3.90%	79 0.17%	18
Windows Server 2016	549	Down -122 places-122	£488	+21.72%	75 0.16%	40
Windows Server 2019	555	Down -118 places-118	£500	+2.56%	69 0.15%	41
Solaris	558	Down -81 places-81	£476	-15.29%	66 0.14%	39
AIX	563	Down -93 places-93	£416	-13.55%	61 0.13%	10
Windows 7	575	Down -115 places-115	£200	-9.31%	49 0.10%	15
CentOS	582	Down -131 places-131	£525	-19.23%	42 0.090%	26
Windows Server 2012	583	Down -128 places-128	£488	+21.72%	41 0.088%	18
Embedded Linux	592	Down -91 places-91	£425	-15.00%	32 0.068%	58
Mac OS X	602	Down -100 places-100	£314	-21.95%	22 0.047%
Windows Server 2003	603	Down -105 places-105	£173	-67.93%	21 0.045%	2
Debian	605	Down -86 places-86	£555	+0.90%	19 0.041%	12
Data ONTAP	605	Down -87 places-87	£510	+27.37%	19 0.041%	1
FreeRTOS	609	Down -88 places-88	£425	-32.00%	15 0.032%	30
SUSE	610	Down -92 places-92	£500	-9.09%	14 0.030%	3
Windows Server 2008	610	Down -100 places-100	£513	+32.25%	14 0.030%	5