Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 1 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	£415	-2.35%	2,845 6.02%	1,062
Linux	49	Down -18 places-18	£500	-9.09%	1,906 4.03%	843
Windows Server	197	Down -58 places-58	£488	-7.14%	656 1.39%	351
Unix	217	Down -63 places-63	£466	-6.75%	557 1.18%	115
Windows 10	239	Down -75 places-75	£200	-11.11%	510 1.08%	107
Android	299	Down -28 places-28	£425	+6.25%	385 0.81%	164
Apple iOS	336	Down -66 places-66	£448	+12.06%	311 0.66%	137
Red Hat Enterprise Linux	371	Down -133 places-133	£500	-9.09%	273 0.58%	64
Mac OS	430	Down -48 places-48	£263	-22.00%	204 0.43%	94
VMS	493	Down -41 places-41	£500	-7.14%	137 0.29%	51
Ubuntu	544	Down -84 places-84	£525	+5.00%	86 0.18%	57
zOS	547	Down -63 places-63	£493	-3.90%	83 0.18%	9
Windows Server 2016	552	Down -127 places-127	£481	+13.23%	78 0.17%	41
Windows Server 2019	557	Down -121 places-121	£500	-	73 0.15%	38
Solaris	559	Down -85 places-85	£478	-13.18%	71 0.15%	31
AIX	567	Down -99 places-99	£416	-13.55%	63 0.13%	10
Windows 7	580	Down -122 places-122	£200	-9.31%	50 0.11%	13
CentOS	589	Down -141 places-141	£525	-19.23%	41 0.087%	20
Windows Server 2012	592	Down -135 places-135	£515	+21.17%	38 0.080%	17
Embedded Linux	597	Down -97 places-97	£425	-15.00%	33 0.070%	69
Mac OS X	608	Down -108 places-108	£314	-21.95%	22 0.047%	1
Windows Server 2003	610	Down -111 places-111	£173	-68.34%	20 0.042%	1
Debian	610	Down -93 places-93	£555	+0.90%	20 0.042%	10
Data ONTAP	611	Down -95 places-95	£510	+27.37%	19 0.040%	7
FreeRTOS	613	Down -94 places-94	£425	-32.00%	17 0.036%	39
SUSE	617	Down -104 places-104	£500	-9.09%	13 0.028%	3
Windows Server 2008	617	Down -106 places-106	£525	+49.78%	13 0.028%	6