Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 21 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	£425	-	2,822 5.85%	1,043
Linux	51	Down -20 places-20	£500	-6.97%	1,888 3.91%	913
Windows Server	191	Down -54 places-54	£475	-9.52%	663 1.37%	343
Unix	214	Down -56 places-56	£469	-2.29%	564 1.17%	110
Windows 10	247	Down -88 places-88	£200	-11.11%	490 1.02%	95
Android	307	Down -40 places-40	£455	+13.75%	366 0.76%	153
Apple iOS	334	Down -57 places-57	£450	+12.50%	325 0.67%	122
Red Hat Enterprise Linux	375	Down -114 places-114	£500	-9.09%	274 0.57%	65
Mac OS	429	Down -63 places-63	£250	-23.07%	205 0.42%	104
VMS	511	Down -57 places-57	£500	-4.76%	119 0.25%	38
Ubuntu	538	Down -77 places-77	£513	+2.50%	92 0.19%	59
Solaris	546	Down -71 places-71	£481	-16.99%	84 0.17%	23
zOS	550	Down -63 places-63	£493	+1.02%	80 0.17%	9
Windows Server 2019	553	Down -133 places-133	£500	-9.09%	77 0.16%	36
Windows Server 2016	559	Down -148 places-148	£475	-5.00%	71 0.15%	27
AIX	567	Down -84 places-84	£426	-10.31%	63 0.13%	11
Windows 7	580	Down -115 places-115	£250	+4.16%	50 0.10%	9
CentOS	589	Down -120 places-120	£503	-8.63%	41 0.085%	22
Embedded Linux	594	Down -86 places-86	£425	-20.93%	36 0.075%	61
Windows Server 2012	596	Down -137 places-137	£488	+14.70%	34 0.071%	11
Debian	608	Down -90 places-90	£575	+4.54%	22 0.046%	16
Mac OS X	610	Down -108 places-108	£400	-0.49%	20 0.042%	2
Data ONTAP	610	Down -92 places-92	£500	+25.00%	20 0.042%	2
Windows Server 2003	611	Down -111 places-111	£212	-60.74%	19 0.039%
FreeRTOS	612	Down -90 places-90	£300	-52.00%	18 0.037%	21
Windows Server 2008	614	Down -100 places-100	£550	+56.91%	16 0.033%	4