Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 27 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	-	2,881 5.91%	1,058
Linux	50	Down -18 places-18	£500	-7.40%	1,909 3.92%	846
Windows Server	190	Down -54 places-54	£475	-9.52%	679 1.39%	340
Unix	214	Down -51 places-51	£469	-4.52%	579 1.19%	112
Windows 10	242	Down -83 places-83	£200	-15.78%	504 1.03%	94
Android	303	Down -43 places-43	£465	+16.25%	369 0.76%	183
Apple iOS	330	Down -45 places-45	£455	+13.75%	329 0.68%	140
Red Hat Enterprise Linux	361	Down -97 places-97	£500	-9.09%	285 0.58%	59
Mac OS	422	Down -50 places-50	£250	-23.07%	212 0.44%	104
VMS	509	Down -60 places-60	£500	-4.76%	119 0.24%	39
Ubuntu	535	Down -76 places-76	£513	+3.01%	93 0.19%	43
Solaris	536	Down -65 places-65	£488	-15.91%	92 0.19%	16
Windows Server 2019	547	Down -124 places-124	£500	-9.09%	81 0.17%	33
zOS	547	Down -63 places-63	£500	+2.56%	81 0.17%	2
Windows Server 2016	557	Down -142 places-142	£475	-5.00%	71 0.15%	29
AIX	561	Down -82 places-82	£433	-8.84%	67 0.14%	8
Windows 7	577	Down -114 places-114	£256	+6.77%	51 0.10%	7
CentOS	585	Down -116 places-116	£500	-9.09%	43 0.088%	17
Windows Server 2012	592	Down -129 places-129	£475	-5.00%	36 0.074%	13
Embedded Linux	593	Down -88 places-88	£433	-19.53%	35 0.072%	74
Debian	606	Down -92 places-92	£575	+4.54%	22 0.045%	13
Data ONTAP	608	Down -92 places-92	£500	+5.93%	20 0.041%	2
Mac OS X	608	Down -97 places-97	£400	+42.85%	20 0.041%	2
Windows Server 2003	609	Down -115 places-115	£212	-60.60%	19 0.039%
FreeRTOS	611	Down -92 places-92	£288	-	17 0.035%	17
Windows Server 2008	612	Down -101 places-101	£550	+91.30%	16 0.033%	3