Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 23 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%	2,840 6.12%	1,013
Linux	50	Down -18 places-18	£500	-9.09%	1,895 4.08%	793
Windows Server	190	Down -64 places-64	£493	-6.19%	669 1.44%	341
Unix	218	Down -72 places-72	£469	-6.20%	546 1.18%	97
Windows 10	222	Down -64 places-64	£200	-11.11%	532 1.15%	104
Android	287	Down -16 places-16	£425	+6.25%	389 0.84%	146
Apple iOS	338	Down -75 places-75	£436	+6.28%	304 0.65%	115
Red Hat Enterprise Linux	350	Down -118 places-118	£501	-9.00%	287 0.62%	66
Mac OS	418	Down -33 places-33	£250	-34.64%	203 0.44%	90
VMS	461	Down -19 places-19	£500	-7.40%	155 0.33%	33
Ubuntu	532	Down -76 places-76	£525	+5.00%	83 0.18%	55
zOS	538	Down -54 places-54	£493	-3.90%	77 0.17%	18
Windows Server 2016	540	Down -119 places-119	£481	+20.23%	75 0.16%	40
Windows Server 2019	547	Down -112 places-112	£500	+5.26%	68 0.15%	33
Solaris	550	Down -78 places-78	£476	-15.29%	65 0.14%	33
AIX	556	Down -88 places-88	£416	-16.80%	59 0.13%	8
Windows 7	565	Down -114 places-114	£200	-18.57%	50 0.11%	11
Windows Server 2012	574	Down -130 places-130	£488	+18.11%	41 0.088%	19
CentOS	575	Down -129 places-129	£525	-19.23%	40 0.086%	17
Embedded Linux	585	Down -89 places-89	£425	-15.00%	30 0.065%	63
Windows Server 2003	592	Down -99 places-99	£173	-67.75%	23 0.050%	2
Mac OS X	593	Down -96 places-96	£314	-21.95%	22 0.047%
Data ONTAP	596	Down -84 places-84	£510	+16.85%	19 0.041%	1
Debian	596	Down -82 places-82	£555	+0.90%	19 0.041%	14
FreeRTOS	600	Down -84 places-84	£425	-32.00%	15 0.032%	35
SUSE	601	Down -89 places-89	£500	-9.09%	14 0.030%	3
Windows Server 2008	601	Down -98 places-98	£513	+41.28%	14 0.030%	5