Contract Operating System Statistics

Contract Job Market Index

Description	Rank 6 Months to 21 Apr 2026	Rank YoY Change	Median Daily Rate	Median Daily Rate YoY Change	Historical Absolute & Relative Jobs Vacancies	Live Jobs
Windows	28	Down -6 places-6	£415	-2.35%	2,832 6.12%	1,046
Linux	51	Down -19 places-19	£500	-9.09%	1,888 4.08%	882
Windows Server	190	Down -65 places-65	£500	-4.76%	659 1.42%	350
Unix	215	Down -74 places-74	£469	-6.20%	537 1.16%	101
Windows 10	216	Down -64 places-64	£200	-11.11%	536 1.16%	116
Android	282	Down -11 places-11	£425	+6.25%	392 0.85%	165
Apple iOS	332	Down -68 places-68	£425	+1.73%	308 0.67%	128
Red Hat Enterprise Linux	348	Down -120 places-120	£501	-9.00%	285 0.62%	80
Mac OS	417	Down -26 places-26	£239	-34.13%	204 0.44%	96
VMS	459	Down -19 places-19	£500	-7.40%	157 0.34%	38
Ubuntu	531	Down -82 places-82	£525	+5.00%	84 0.18%	63
Windows Server 2016	539	Down -121 places-121	£481	+20.16%	76 0.16%	39
zOS	539	Down -59 places-59	£486	-5.12%	76 0.16%	14
Windows Server 2019	547	Down -114 places-114	£500	+8.10%	68 0.15%	31
Solaris	551	Down -83 places-83	£476	-15.29%	64 0.14%	29
AIX	556	Down -92 places-92	£416	-16.80%	59 0.13%	4
Windows 7	566	Down -116 places-116	£200	-18.57%	49 0.11%	11
CentOS	575	Down -133 places-133	£525	-19.23%	40 0.086%	26
Windows Server 2012	575	Down -138 places-138	£488	+21.87%	40 0.086%	19
Embedded Linux	585	Down -94 places-94	£425	-15.00%	30 0.065%	68
Windows Server 2003	592	Down -103 places-103	£173	-67.75%	23 0.050%	3
Mac OS X	592	Down -99 places-99	£285	-29.10%	23 0.050%
Debian	596	Down -86 places-86	£555	+0.90%	19 0.041%	15
Data ONTAP	596	Down -90 places-90	£510	+4.83%	19 0.041%	6
FreeRTOS	600	Down -88 places-88	£425	-32.00%	15 0.032%	38
SUSE	601	Down -91 places-91	£500	-9.09%	14 0.030%	3
Windows Server 2008	601	Down -102 places-102	£513	+41.28%	14 0.030%	5