Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 11 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%	2,832 5.95%	1,074
Linux	51	Down -20 places-20	£500	-9.09%	1,873 3.93%	931
Windows Server	188	Down -51 places-51	£480	-8.57%	661 1.39%	351
Unix	211	Down -56 places-56	£469	-6.20%	550 1.16%	136
Windows 10	232	Down -73 places-73	£200	-11.11%	498 1.05%	95
Android	297	Down -37 places-37	£450	+12.50%	375 0.79%	147
Apple iOS	330	Down -63 places-63	£436	+8.93%	323 0.68%	110
Red Hat Enterprise Linux	367	Down -124 places-124	£500	-9.09%	276 0.58%	70
Mac OS	427	Down -61 places-61	£263	-19.23%	201 0.42%	101
VMS	498	Down -52 places-52	£505	-4.89%	128 0.27%	46
Ubuntu	539	Down -86 places-86	£525	+5.00%	86 0.18%	65
zOS	540	Down -62 places-62	£493	-3.90%	85 0.18%	7
Solaris	545	Down -80 places-80	£481	-14.40%	80 0.17%	25
Windows Server 2019	550	Down -124 places-124	£500	-	75 0.16%	41
Windows Server 2016	551	Down -135 places-135	£481	+13.23%	74 0.16%	41
AIX	562	Down -94 places-94	£425	-10.52%	63 0.13%	11
Windows 7	577	Down -124 places-124	£231	+15.62%	48 0.10%	12
CentOS	583	Down -134 places-134	£525	-8.69%	42 0.088%	20
Embedded Linux	591	Down -95 places-95	£425	-18.07%	34 0.071%	74
Windows Server 2012	591	Down -138 places-138	£488	+14.70%	34 0.071%	15
Mac OS X	603	Down -109 places-109	£314	-21.75%	22 0.046%	1
Debian	604	Down -93 places-93	£560	+1.81%	21 0.044%	14
Data ONTAP	605	Down -94 places-94	£500	+25.00%	20 0.042%	3
FreeRTOS	607	Down -92 places-92	£425	-32.00%	18 0.038%	28
Windows Server 2003	608	Down -115 places-115	£173	-68.05%	17 0.036%
SUSE	611	Down -103 places-103	£500	-9.09%	14 0.029%	4
Windows Server 2008	611	Down -104 places-104	£525	+90.73%	14 0.029%	2