Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 18 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%	2,826 5.89%	1,055
Linux	51	Down -20 places-20	£500	-6.97%	1,892 3.95%	894
Windows Server	186	Down -52 places-52	£475	-9.52%	659 1.37%	344
Unix	206	Down -45 places-45	£472	-2.07%	566 1.18%	121
Windows 10	234	Down -75 places-75	£200	-11.11%	492 1.03%	108
Android	295	Down -27 places-27	£455	+13.75%	372 0.78%	161
Apple iOS	328	Down -50 places-50	£450	+12.50%	325 0.68%	128
Red Hat Enterprise Linux	367	Down -107 places-107	£500	-9.09%	276 0.58%	66
Mac OS	425	Down -58 places-58	£250	-23.07%	207 0.43%	99
VMS	506	Down -55 places-55	£500	-5.83%	124 0.26%	41
Ubuntu	543	Down -82 places-82	£513	+2.50%	87 0.18%	52
Solaris	547	Down -76 places-76	£484	-16.45%	83 0.17%	27
zOS	550	Down -66 places-66	£493	-1.50%	80 0.17%	8
Windows Server 2019	555	Down -136 places-136	£500	-6.97%	75 0.16%	42
Windows Server 2016	559	Down -149 places-149	£475	+5.55%	71 0.15%	32
AIX	567	Down -90 places-90	£426	-10.31%	63 0.13%	11
Windows 7	580	Down -120 places-120	£250	+13.63%	50 0.10%	13
CentOS	590	Down -122 places-122	£503	-8.63%	40 0.083%	21
Embedded Linux	596	Down -94 places-94	£425	-15.00%	34 0.071%	70
Windows Server 2012	597	Down -141 places-141	£475	+11.76%	33 0.069%	12
Mac OS X	608	Down -109 places-109	£314	-21.75%	22 0.046%	1
Debian	609	Down -93 places-93	£575	+4.54%	21 0.044%	14
Data ONTAP	610	Down -94 places-94	£500	+25.00%	20 0.042%	1
Windows Server 2003	611	Down -113 places-113	£212	-60.74%	19 0.040%
FreeRTOS	612	Down -92 places-92	£425	-32.00%	18 0.038%	27
Windows Server 2008	615	Down -102 places-102	£525	+49.78%	15 0.031%	4