Period
to 21 November 2017

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 6 months to 21 November 2017 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
South London > Croydon
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 39 29 45
Rank change year-on-year -10 +16 +12
Permanent jobs citing DNS 15 33 17
As % of all permanent IT jobs advertised in Croydon 4.29% 7.59% 4.33%
As % of the Communications & Networking category 17.24% 23.24% 20.73%
Number of salaries quoted 15 33 16
Croydon median annual salary £37,000 £27,500 £42,500
Median salary % change year-on-year +34.55% -35.29% +44.07%
10th Percentile £20,200 £21,350 £23,250
90th Percentile £56,000 £48,500 £47,500
South London median annual salary £29,000 £34,000 £37,500
% change year-on-year -14.71% -9.33% -6.25%

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

All Communications and Computer Networking Skills
Croydon
Permanent vacancies with a requirement for communications or computer networking skills 87 142 82
As % of all permanent IT jobs advertised in Croydon 24.86% 32.64% 20.87%
Number of salaries quoted 75 137 69
Croydon median annual salary £37,000 £44,000 £45,000
Median salary % change year-on-year -15.91% -2.22% -
10th Percentile £23,700 £24,500 £24,200
90th Percentile £62,250 £57,550 £59,000
South London median annual salary £40,000 £45,000 £42,500
% change year-on-year -11.11% +5.88% +6.25%

DNS
Job Vacancy Trend in Croydon

Job postings citing DNS as a percentage of all IT jobs advertised in Croydon.

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

DNS
Salary Histogram in Croydon

The salary distribution of IT jobs citing DNS in Croydon over the 6 months to 21 November 2017.

Salary histogram for DNS in Croydon

For the 6 months to 21 November 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 14 (93.33%) DHCP
1 14 (93.33%) TCP/IP
2 12 (80.00%) Cisco
3 10 (66.67%) Microsoft
3 10 (66.67%) Windows
3 10 (66.67%) LAN
3 10 (66.67%) Firewall
4 9 (60.00%) ITIL
4 9 (60.00%) Citrix
5 8 (53.33%) Active Directory
5 8 (53.33%) VPN
5 8 (53.33%) VoIP
5 8 (53.33%) WAN
6 7 (46.67%) Network Security
6 7 (46.67%) Windows Server 2008
6 7 (46.67%) Windows Server
7 6 (40.00%) FortiGate
7 6 (40.00%) CheckPoint
7 6 (40.00%) CCNP
7 6 (40.00%) CCNA
7 6 (40.00%) Cisco Certification
8 5 (33.33%) HP
8 5 (33.33%) MS Exchange
8 5 (33.33%) MPLS
8 5 (33.33%) IPsec
8 5 (33.33%) Clustering
8 5 (33.33%) Windows Server 2012
8 5 (33.33%) Performance Monitoring
8 5 (33.33%) Unified Communications
8 5 (33.33%) ITIL V3

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 (33.33%) MS Exchange
2 4 (26.67%) Blackberry Enterprise Server
2 4 (26.67%) SharePoint
Applications
1 4 (26.67%) Microsoft Office
1 4 (26.67%) MS Visio
Cloud Services
1 5 (33.33%) SaaS
2 1 (6.67%) Microsoft Azure
Communications & Networking
1 14 (93.33%) DHCP
1 14 (93.33%) TCP/IP
2 10 (66.67%) Firewall
2 10 (66.67%) LAN
3 8 (53.33%) VoIP
3 8 (53.33%) VPN
3 8 (53.33%) WAN
4 7 (46.67%) Network Security
5 5 (33.33%) IPsec
5 5 (33.33%) MPLS
5 5 (33.33%) Skype
5 5 (33.33%) Unified Communications
6 1 (6.67%) BGP
6 1 (6.67%) EIGRP
6 1 (6.67%) NetScreen
6 1 (6.67%) OSPF
6 1 (6.67%) RTCP
6 1 (6.67%) RTP
6 1 (6.67%) STUN
6 1 (6.67%) Wireless
Database & Business Intelligence
1 3 (20.00%) SQL Server
2 1 (6.67%) SQL Server 2012
General
1 2 (13.33%) Finance
Job Titles
1 7 (46.67%) Network Engineer
2 5 (33.33%) Senior Network Engineer
3 4 (26.67%) Infrastructure Engineer
3 4 (26.67%) Wintel Engineer
3 4 (26.67%) Wintel Infrastructure Engineer
4 3 (20.00%) IT Support
5 2 (13.33%) IT Engineer
5 2 (13.33%) IT Support Engineer
5 2 (13.33%) Junior
5 2 (13.33%) Junior IT Engineer
5 2 (13.33%) Junior IT Support
5 2 (13.33%) Junior Network Engineer
5 2 (13.33%) Junior Network Support Engineer
5 2 (13.33%) Junior Support Engineer
5 2 (13.33%) Support Engineer
5 2 (13.33%) Windows Engineer
5 2 (13.33%) Windows Support Engineer
6 1 (6.67%) Analyst
6 1 (6.67%) Developer
6 1 (6.67%) Support Analyst
Libraries, Frameworks & Software Standards
1 1 (6.67%) .NET
1 1 (6.67%) ASP.NET
1 1 (6.67%) FreeSWITCH
1 1 (6.67%) HTML
Miscellaneous
1 5 (33.33%) Clustering
1 5 (33.33%) Data Centre
2 4 (26.67%) Blackberry
3 2 (13.33%) Fintech
4 1 (6.67%) Analytical Skills
4 1 (6.67%) Replication
4 1 (6.67%) Social Media
Operating Systems
1 10 (66.67%) Windows
2 7 (46.67%) Windows Server
2 7 (46.67%) Windows Server 2008
3 5 (33.33%) Windows Server 2012
4 2 (13.33%) Windows Server 2003
5 1 (6.67%) Apple iOS
5 1 (6.67%) CentOS
5 1 (6.67%) CoreOS
5 1 (6.67%) Linux
5 1 (6.67%) Mac OS
Processes & Methodologies
1 9 (60.00%) ITIL
2 5 (33.33%) ITIL V3
2 5 (33.33%) Performance Monitoring
3 4 (26.67%) Data Management
3 4 (26.67%) Mentoring
3 4 (26.67%) Network Load Balancing
3 4 (26.67%) Performance Tuning
3 4 (26.67%) Server Virtualisation
3 4 (26.67%) Service Delivery
4 2 (13.33%) Benchmarking
4 2 (13.33%) Change Control
4 2 (13.33%) Configuration Management
4 2 (13.33%) Security Operations
5 1 (6.67%) Front End Development
5 1 (6.67%) Network Design
Programming Languages
1 3 (20.00%) SQL
2 1 (6.67%) Bash Shell
2 1 (6.67%) JavaScript
Qualifications
1 6 (40.00%) CCNA
1 6 (40.00%) CCNP
1 6 (40.00%) Cisco Certification
2 4 (26.67%) ITIL Foundation Certificate
3 2 (13.33%) MCP
4 1 (6.67%) CCDP
4 1 (6.67%) CCSA
4 1 (6.67%) CCSE
4 1 (6.67%) Degree
Quality Assurance & Compliance
1 4 (26.67%) SLA
2 1 (6.67%) ISO/IEC 27001
System Software
1 8 (53.33%) Active Directory
2 5 (33.33%) Hyper-V
3 4 (26.67%) Firmware
3 4 (26.67%) ISA Server
3 4 (26.67%) VMware ESXi
3 4 (26.67%) VMware Infrastructure
3 4 (26.67%) XenDesktop
3 4 (26.67%) XenServer
4 1 (6.67%) Docker
4 1 (6.67%) OpenSIPS
4 1 (6.67%) Xen
Systems Management
1 6 (40.00%) FortiGate
2 4 (26.67%) HP SIM
2 4 (26.67%) Microsoft Clustering
2 4 (26.67%) OpenView
2 4 (26.67%) SCOM
3 1 (6.67%) HAProxy
3 1 (6.67%) Nagios
Vendors
1 12 (80.00%) Cisco
2 10 (66.67%) Microsoft
3 9 (60.00%) Citrix
4 6 (40.00%) CheckPoint
5 5 (33.33%) HP
6 4 (26.67%) Dell
6 4 (26.67%) VMware
7 2 (13.33%) SonicWALL
8 1 (6.67%) F5
8 1 (6.67%) Juniper
8 1 (6.67%) Meraki
8 1 (6.67%) Riverbed
8 1 (6.67%) SolarWinds
8 1 (6.67%) WatchGuard