Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 24 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	£423	-0.55%	2,853 5.87%	1,066
Linux	50	Down -18 places-18	£500	-7.74%	1,903 3.91%	781
Windows Server	195	Down -59 places-59	£475	-9.52%	674 1.39%	353
Unix	217	Down -55 places-55	£470	-4.28%	571 1.17%	107
Windows 10	247	Down -91 places-91	£200	-11.11%	498 1.02%	107
Android	308	Down -48 places-48	£455	+13.75%	370 0.76%	147
Apple iOS	337	Down -53 places-53	£453	+13.12%	329 0.68%	114
Red Hat Enterprise Linux	376	Down -115 places-115	£500	-9.09%	281 0.58%	57
Mac OS	435	Down -66 places-66	£250	-23.07%	209 0.43%	104
VMS	520	Down -72 places-72	£500	-4.76%	119 0.24%	43
Ubuntu	548	Down -94 places-94	£513	+2.50%	91 0.19%	48
Solaris	549	Down -80 places-80	£488	-15.91%	90 0.19%	23
Windows Server 2019	560	Down -141 places-141	£500	-9.09%	79 0.16%	34
zOS	561	Down -79 places-79	£500	+2.56%	78 0.16%	9
Windows Server 2016	568	Down -158 places-158	£475	-5.00%	71 0.15%	27
AIX	575	Down -98 places-98	£426	-10.31%	64 0.13%	10
Windows 7	590	Down -130 places-130	£250	+4.16%	49 0.10%	10
CentOS	598	Down -133 places-133	£503	-8.63%	41 0.084%	15
Embedded Linux	603	Down -101 places-101	£425	-20.93%	36 0.074%	49
Windows Server 2012	604	Down -143 places-143	£488	+2.63%	35 0.072%	13
Debian	617	Down -105 places-105	£575	+4.54%	22 0.045%	15
Mac OS X	619	Down -111 places-111	£400	+42.85%	20 0.041%	3
Data ONTAP	619	Down -105 places-105	£500	+5.93%	20 0.041%	2
Windows Server 2003	620	Down -128 places-128	£212	-60.60%	19 0.039%
FreeRTOS	621	Down -104 places-104	£300	-	18 0.037%	18
Windows Server 2008	623	Down -115 places-115	£550	+56.91%	16 0.033%	3