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Skill / Job Role
(Historical trends & salary statistics)
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6 Months to
1 Mar 2021
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Median Salary
6 Months to
1 Mar 2021
Median Salary
% Change
Year-on-Year
Historical
Permanent
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Vacancies
 Firewall44-15£47,750-13.18%99 (5.97%)16
DNS74+7£55,000+37.50%60 (3.62%)9
 TCP/IP83-37£45,000-5.26%51 (3.08%)5
SAN95+56£55,000+8.37%39 (2.35%)2
VPN100+16£50,250+5.78%34 (2.05%)10
LAN101+4£45,000+12.50%33 (1.99%)5
 WAN102-26£48,000+1.05%32 (1.93%)6
 DHCP108-13£34,500-13.75%26 (1.57%)3
VoIP111+44£38,000+26.66%23 (1.39%)1
 Wireless111-20£45,000-18.18%23 (1.39%)9
HTTP114+29£42,500-43.33%20 (1.21%)
BGP114+22£60,000+9.09%20 (1.21%)3
 Network Security114-12£60,000-4.00%20 (1.21%)4
VLAN116+41£60,000+33.33%18 (1.09%)4
Cisco ASA117+16£65,000+30.00%17 (1.03%)1
Intranet119+65£47,500-15 (0.90%)1
 Wi-Fi119-6£28,000-46.66%15 (0.90%)1
MPLS123+10£60,000+4.34%11 (0.66%)1
Skype123+6£61,250+63.33%11 (0.66%)2
FTP124+60£35,337+30.87%10 (0.60%)1
WLAN127+55£42,500-29.16%7 (0.42%)1
SSL127+31£60,000+4.34%7 (0.42%)2
DMZ127+56£62,500-3.84%7 (0.42%)1
OSPF127+16£60,000+9.09%7 (0.42%)2
iSCSI127+46£60,000+20.00%7 (0.42%)
 Kerberos128-£60,000-6 (0.36%)
 Internet128-11£52,500+10.52%6 (0.36%)4
BIG-IP128+58£60,000+11.11%6 (0.36%)
Unified Communications128+35£40,000-33.33%6 (0.36%)1
F5 BIG-IP LTM128+53£61,250+7.45%6 (0.36%)