The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for DNS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DNS over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
London / Croydon
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 31 - 31
Rank change year-on-year - 0  
Permanent jobs citing DNS 6 0 6
As % of all permanent IT jobs advertised in Croydon 3.37% - 3.61%
As % of the Communications & Networking category 25.00% - 17.14%
Number of salaries quoted 5 0 6
Median salary £32,500 - £43,250
90% offered a salary of more than £32,000 - £26,000
10% offered a salary of more than £34,800 - £63,750
UK excluding London median salary £38,000 £37,500 £36,500
% change year-on-year +1.33% +2.73%  

DNS is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Croydon with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Croydon
Permanent job vacancies with a requirement for communications and computer networking skills 24 61 35
As % of all permanent IT job vacancies advertised in Croydon 13.48% 22.76% 21.08%
Number of salaries quoted 21 56 34
Median salary £48,750 £45,000 £42,500
Median salary % change year-on-year +8.33% +5.88%  
90% offered a salary of more than £32,800 £25,850 £25,150
10% offered a salary of more than £57,500 £59,250 £60,000
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

DNS
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon citing DNS as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for DNS in Croydon

DNS
Salary Trend in Croydon

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing DNS in Croydon.

Salary trend for DNS in Croydon

For the 6 months to 30 March 2017, IT jobs citing DNS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Croydon region with a requirement for DNS.

1 9 (100.00%) DHCP
2 7 (77.78%) Windows
2 7 (77.78%) VMware
3 6 (66.67%) TCP/IP
3 6 (66.67%) Windows Server
4 5 (55.56%) Windows Server 2008
4 5 (55.56%) Hyper-V
4 5 (55.56%) Windows Server 2012
4 5 (55.56%) Microsoft
4 5 (55.56%) MS Exchange
5 4 (44.44%) HP
5 4 (44.44%) Symantec
5 4 (44.44%) Cisco
5 4 (44.44%) VMware Infrastructure
6 3 (33.33%) Exchange Server 2010
6 3 (33.33%) Wireless
6 3 (33.33%) Cisco IOS
6 3 (33.33%) Network Security
6 3 (33.33%) Backup Exec
6 3 (33.33%) Citrix
6 3 (33.33%) Active Directory
7 2 (22.22%) VoIP
7 2 (22.22%) Cisco Certification
7 2 (22.22%) OSPF
7 2 (22.22%) Norton AntiVirus
7 2 (22.22%) Juniper
7 2 (22.22%) MS Excel
7 2 (22.22%) IIS
7 2 (22.22%) MS Office
7 2 (22.22%) ITIL

DNS
Co-occurring IT Skills in Croydon by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 5 (55.56%) MS Exchange
2 3 (33.33%) Exchange Server 2010
3 2 (22.22%) IIS
4 1 (11.11%) Blackberry Enterprise Server
4 1 (11.11%) SharePoint
Applications
1 2 (22.22%) MS Excel
1 2 (22.22%) MS Office
2 1 (11.11%) MS Visio
Communications & Networking
1 9 (100.00%) DHCP
2 6 (66.67%) TCP/IP
3 3 (33.33%) Cisco IOS
3 3 (33.33%) Network Security
3 3 (33.33%) Wireless
4 2 (22.22%) BGP
4 2 (22.22%) Cisco ASA
4 2 (22.22%) Cisco Nexus
4 2 (22.22%) EIGRP
4 2 (22.22%) FabricPath
4 2 (22.22%) Firewall
4 2 (22.22%) NetScreen
4 2 (22.22%) OSPF
4 2 (22.22%) VoIP
4 2 (22.22%) VPN
4 2 (22.22%) Wireless Security
5 1 (11.11%) LAN
5 1 (11.11%) SAN
5 1 (11.11%) VLAN
Job Titles
1 3 (33.33%) 2nd Line Engineer
1 3 (33.33%) 2nd Line Support
1 3 (33.33%) 2nd Line Support Engineer
1 3 (33.33%) Support Engineer
2 2 (22.22%) 2nd Line Desktop Support
2 2 (22.22%) 2nd Line Desktop Support Engineer
2 2 (22.22%) Desktop Engineer
2 2 (22.22%) Desktop Support
2 2 (22.22%) Desktop Support Engineer
2 2 (22.22%) Infrastructure Engineer
2 2 (22.22%) IT Engineer
2 2 (22.22%) IT Support
2 2 (22.22%) IT Support Engineer
2 2 (22.22%) Network Engineer
3 1 (11.11%) Operations Engineer
3 1 (11.11%) Senior Operations Engineer
3 1 (11.11%) Server Specialist
3 1 (11.11%) Windows Specialist
3 1 (11.11%) Wintel Engineer
3 1 (11.11%) Wintel Infrastructure Engineer
Miscellaneous
1 2 (22.22%) Analytical Skills
1 2 (22.22%) Clustering
2 1 (11.11%) Blackberry
2 1 (11.11%) Data Centre
Operating Systems
1 7 (77.78%) Windows
2 6 (66.67%) Windows Server
3 5 (55.56%) Windows Server 2008
3 5 (55.56%) Windows Server 2012
4 2 (22.22%) Windows 10
4 2 (22.22%) Windows 7
5 1 (11.11%) Android
5 1 (11.11%) Apple iOS
5 1 (11.11%) Mac OS X
Processes & Methodologies
1 2 (22.22%) ITIL
1 2 (22.22%) Network Design
2 1 (11.11%) Data Management
2 1 (11.11%) Mentoring
2 1 (11.11%) Network Load Balancing
2 1 (11.11%) Performance Tuning
2 1 (11.11%) Server Virtualisation
2 1 (11.11%) Service Delivery
2 1 (11.11%) Time Management
Programming Languages
1 1 (11.11%) SQL
Qualifications
1 2 (22.22%) CCDP
1 2 (22.22%) CCNA
1 2 (22.22%) CCNP
1 2 (22.22%) CCSA
1 2 (22.22%) CCSE
1 2 (22.22%) Cisco Certification
2 1 (11.11%) ITIL Foundation Certificate
2 1 (11.11%) MCSA
2 1 (11.11%) MCSE
2 1 (11.11%) Microsoft Certification
Quality Assurance & Compliance
1 1 (11.11%) QA
1 1 (11.11%) SLA
System Software
1 5 (55.56%) Hyper-V
2 4 (44.44%) VMware Infrastructure
3 3 (33.33%) Active Directory
4 1 (11.11%) Firmware
4 1 (11.11%) ISA Server
4 1 (11.11%) Terminal Services
4 1 (11.11%) VMware ESX
4 1 (11.11%) XenDesktop
4 1 (11.11%) XenServer
Systems Management
1 3 (33.33%) Backup Exec
2 2 (22.22%) FortiGate
2 2 (22.22%) HAProxy
2 2 (22.22%) Microsoft Clustering
2 2 (22.22%) Norton AntiVirus
2 2 (22.22%) SCOM
3 1 (11.11%) HP SIM
3 1 (11.11%) OpenView
3 1 (11.11%) SCCM
Vendors
1 7 (77.78%) VMware
2 5 (55.56%) Microsoft
3 4 (44.44%) Cisco
3 4 (44.44%) HP
3 4 (44.44%) Symantec
4 3 (33.33%) Citrix
5 2 (22.22%) CheckPoint
5 2 (22.22%) F5
5 2 (22.22%) Juniper
5 2 (22.22%) Meraki
5 2 (22.22%) Riverbed
5 2 (22.22%) SolarWinds
5 2 (22.22%) SonicWALL
5 2 (22.22%) WatchGuard
6 1 (11.11%) Dell
6 1 (11.11%) Sophos
6 1 (11.11%) Veritas