Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 8 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%	2,834 5.97%	1,103
Linux	51	Down -20 places-20	£500	-9.09%	1,885 3.97%	923
Windows Server	189	Down -53 places-53	£483	-8.00%	664 1.40%	361
Unix	213	Down -60 places-60	£469	-6.20%	552 1.16%	140
Windows 10	238	Down -76 places-76	£200	-11.11%	497 1.05%	116
Android	298	Down -25 places-25	£450	+12.50%	373 0.79%	150
Apple iOS	332	Down -55 places-55	£425	+6.25%	316 0.67%	113
Red Hat Enterprise Linux	365	Down -118 places-118	£500	-9.09%	274 0.58%	78
Mac OS	423	Down -44 places-44	£250	-23.07%	201 0.42%	110
VMS	494	Down -37 places-37	£500	-6.89%	127 0.27%	47
Ubuntu	534	Down -70 places-70	£525	+5.00%	87 0.18%	64
zOS	536	Down -46 places-46	£493	-3.90%	85 0.18%	8
Solaris	544	Down -68 places-68	£481	-14.40%	77 0.16%	29
Windows Server 2016	546	Down -116 places-116	£475	+11.76%	75 0.16%	40
Windows Server 2019	546	Down -106 places-106	£500	-	75 0.16%	41
AIX	557	Down -79 places-79	£421	-11.47%	64 0.13%	14
Windows 7	571	Down -103 places-103	£213	-3.40%	50 0.11%	16
CentOS	579	Down -122 places-122	£525	-16.00%	42 0.089%	25
Windows Server 2012	584	Down -120 places-120	£500	+17.64%	37 0.078%	17
Embedded Linux	587	Down -80 places-80	£425	-18.07%	34 0.072%	68
Mac OS X	599	Down -94 places-94	£314	-21.75%	22 0.046%	2
Debian	600	Down -78 places-78	£560	+1.81%	21 0.044%	14
Data ONTAP	601	Down -79 places-79	£500	+25.00%	20 0.042%	3
Windows Server 2003	603	Down -99 places-99	£173	-68.05%	18 0.038%	1
FreeRTOS	603	Down -77 places-77	£425	-32.00%	18 0.038%	33
Windows Server 2008	607	Down -89 places-89	£525	+90.73%	14 0.030%	3
SUSE	607	Down -88 places-88	£500	-9.09%	14 0.030%	4