Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London 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 22 November 2017 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
Central London > City of London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 128 135 143
Rank change year-on-year +7 +8 -48
Permanent jobs citing DNS 248 251 354
As % of all permanent IT jobs advertised in the City of London 2.42% 2.15% 2.10%
As % of the Communications & Networking category 16.50% 14.01% 14.67%
Number of salaries quoted 227 211 297
City of London median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - -2.44%
10th Percentile £28,800 £26,500 £26,250
90th Percentile £75,500 £76,250 £72,500
Central London median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

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 the City of London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Permanent vacancies with a requirement for communications or computer networking skills 1503 1791 2413
As % of all permanent IT jobs advertised in the City of London 14.68% 15.32% 14.31%
Number of salaries quoted 1346 1572 2071
City of London median annual salary £52,500 £55,000 £52,500
Median salary % change year-on-year -4.55% +4.76% +7.14%
10th Percentile £31,250 £31,000 £27,500
90th Percentile £80,000 £78,750 £78,750
Central London median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% +2.04%

DNS
Job Vacancy Trend in the City of London

Job postings citing DNS as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for DNS in the City of London

DNS
Salary Trend in the City of London

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

Salary trend for DNS in the City of London

DNS
Salary Histogram in the City of London

The salary distribution of IT jobs citing DNS in the City of London over the 6 months to 22 November 2017.

Salary histogram for DNS in the City of London

For the 6 months to 22 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 City of London region with a requirement for DNS.

1 164 (66.13%) DHCP
2 149 (60.08%) Windows
3 144 (58.06%) Active Directory
4 106 (42.74%) Microsoft
4 106 (42.74%) Windows Server
5 95 (38.31%) Firewall
6 94 (37.90%) VMware
7 85 (34.27%) Finance
8 81 (32.66%) WAN
9 79 (31.85%) MS Exchange
10 77 (31.05%) TCP/IP
11 67 (27.02%) VPN
11 67 (27.02%) Office 365
12 66 (26.61%) VMware Infrastructure
13 65 (26.21%) Microsoft Azure
14 64 (25.81%) Citrix
15 63 (25.40%) Cisco
16 52 (20.97%) LAN
16 52 (20.97%) ITIL
17 51 (20.56%) SQL Server
18 46 (18.55%) Cisco Certification
19 45 (18.15%) Linux
19 45 (18.15%) Windows 7
19 45 (18.15%) Windows Server 2012
20 41 (16.53%) Puppet
20 41 (16.53%) SAN
21 38 (15.32%) CCNA
21 38 (15.32%) Internet
22 37 (14.92%) MPLS
23 35 (14.11%) Exchange Server 2010

DNS
Co-occurring IT Skills in the City of London 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 79 (31.85%) MS Exchange
2 35 (14.11%) Exchange Server 2010
3 25 (10.08%) Exchange Server 2013
4 24 (9.68%) Confluence
5 22 (8.87%) IIS
6 18 (7.26%) SharePoint
7 10 (4.03%) Blackberry Enterprise Server
7 10 (4.03%) Skype for Business
8 8 (3.23%) SharePoint 2013
9 7 (2.82%) CMS
10 6 (2.42%) Exchange Server 2003
11 3 (1.21%) Exchange Server 2007
12 2 (0.81%) Apache
12 2 (0.81%) nginx
12 2 (0.81%) SharePoint Server
13 1 (0.40%) OpenStack
Applications
1 29 (11.69%) Microsoft Office
2 3 (1.21%) MS Visio
3 1 (0.40%) Adobe Creative Suite
3 1 (0.40%) Microsoft Excel
Business Applications
1 5 (2.02%) Eikon
2 1 (0.40%) SAP Business One
2 1 (0.40%) SAP ERP
Cloud Services
1 67 (27.02%) Office 365
2 65 (26.21%) Microsoft Azure
3 30 (12.10%) IaaS
4 28 (11.29%) PaaS
5 27 (10.89%) Azure Active Directory
6 21 (8.47%) Amazon AWS
7 3 (1.21%) Amazon EC2
7 3 (1.21%) Amazon S3
7 3 (1.21%) AWS CloudFormation
7 3 (1.21%) CloudFront
7 3 (1.21%) SaaS
8 2 (0.81%) Virtual Private Cloud
9 1 (0.40%) Adobe Creative Cloud
9 1 (0.40%) Amazon SQS
9 1 (0.40%) G Suite
9 1 (0.40%) Mimecast
9 1 (0.40%) npm
Communications & Networking
1 164 (66.13%) DHCP
2 95 (38.31%) Firewall
3 81 (32.66%) WAN
4 77 (31.05%) TCP/IP
5 67 (27.02%) VPN
6 52 (20.97%) LAN
7 41 (16.53%) SAN
8 38 (15.32%) Internet
9 37 (14.92%) MPLS
10 28 (11.29%) DMZ
11 27 (10.89%) VLAN
12 24 (9.68%) BGP
13 19 (7.66%) FTP
14 18 (7.26%) OSPF
15 17 (6.85%) Cisco ASA
15 17 (6.85%) Network Security
16 16 (6.45%) Multicast
17 15 (6.05%) Wireless
18 13 (5.24%) NX-OS
18 13 (5.24%) SSL
Database & Business Intelligence
1 51 (20.56%) SQL Server
2 20 (8.06%) MySQL
3 6 (2.42%) SQL Server 2008
4 4 (1.61%) SQL Server 2012
5 3 (1.21%) OLTP
6 2 (0.81%) SQL Server 2014
7 1 (0.40%) Amazon RDS
7 1 (0.40%) Big Data
7 1 (0.40%) MongoDB
7 1 (0.40%) NoSQL
Development Applications
1 24 (9.68%) JIRA
2 23 (9.27%) Atlassian Bamboo
2 23 (9.27%) Git (software)
2 23 (9.27%) Octopus Deploy
3 1 (0.40%) Bower
3 1 (0.40%) Grunt
3 1 (0.40%) gulp
3 1 (0.40%) Jasmine
3 1 (0.40%) JSHint
3 1 (0.40%) Karma Test Runner
3 1 (0.40%) Maven
3 1 (0.40%) Protractor
3 1 (0.40%) QUnit
3 1 (0.40%) Selenium
3 1 (0.40%) Visual Studio
3 1 (0.40%) Visual Studio Team System
3 1 (0.40%) webpack
General
1 85 (34.27%) Finance
2 25 (10.08%) Banking
3 19 (7.66%) Telecoms
4 15 (6.05%) Law
5 8 (3.23%) Financial Institution
6 7 (2.82%) French Language
6 7 (2.82%) Front Office
7 6 (2.42%) Dutch Language
7 6 (2.42%) Marketing
7 6 (2.42%) Spanish Language
8 5 (2.02%) Advertising
8 5 (2.02%) Retail
9 2 (0.81%) Legal
9 2 (0.81%) Private Banking
9 2 (0.81%) Retail Banking
9 2 (0.81%) Retail Finance
10 1 (0.40%) Back Office
10 1 (0.40%) Manufacturing
Job Titles
1 95 (38.31%) Infrastructure Engineer
2 37 (14.92%) Azure Engineer
3 36 (14.52%) Support Engineer
4 28 (11.29%) Network Engineer
5 26 (10.48%) Analyst
6 25 (10.08%) Cloud Engineer
7 24 (9.68%) Cloud Infrastructure Engineer
8 21 (8.47%) DevOps Engineer
9 20 (8.06%) Azure DevOps
9 20 (8.06%) Azure DevOps Engineer
9 20 (8.06%) Infrastructure Specialist
10 18 (7.26%) Infrastructure Support
11 17 (6.85%) Cloud Specialist
11 17 (6.85%) DevOps Specialist
12 16 (6.45%) IT Support
13 15 (6.05%) 3rd Line Engineer
13 15 (6.05%) Administrator
13 15 (6.05%) Architect
13 15 (6.05%) Infrastructure Support Engineer
13 15 (6.05%) Support Analyst
Libraries, Frameworks & Software Standards
1 23 (9.27%) .NET
2 14 (5.65%) Web Services
3 7 (2.82%) XML
4 6 (2.42%) XMPP
5 5 (2.02%) Software Packaging
6 4 (1.61%) JSON
7 2 (0.81%) AngularJS
7 2 (0.81%) CSS
7 2 (0.81%) HTML
7 2 (0.81%) HTML5
7 2 (0.81%) LESS
8 1 (0.40%) Backbone.js
8 1 (0.40%) Compass CSS Framework
8 1 (0.40%) CSS3
8 1 (0.40%) Ember.js
8 1 (0.40%) JSLint
8 1 (0.40%) Laravel
8 1 (0.40%) LEMP Stack
8 1 (0.40%) Node.js
8 1 (0.40%) REST
Miscellaneous
1 31 (12.50%) Data Centre
2 14 (5.65%) Public Cloud
3 10 (4.03%) Client/Server
4 9 (3.63%) Management Information System
5 8 (3.23%) Blackberry
5 8 (3.23%) EMC VMAX
6 6 (2.42%) Computer Science
6 6 (2.42%) Cyberthreat
6 6 (2.42%) Digital Media
6 6 (2.42%) Fintech
7 5 (2.02%) Analytical Skills
7 5 (2.02%) Replication
8 3 (1.21%) Foreign Exchange (FX)
8 3 (1.21%) Mainframe
8 3 (1.21%) Private Cloud
9 2 (0.81%) Clustering
9 2 (0.81%) HP Storage
9 2 (0.81%) Mobile App
9 2 (0.81%) Video Conferencing
10 1 (0.40%) User Experience
Operating Systems
1 149 (60.08%) Windows
2 106 (42.74%) Windows Server
3 45 (18.15%) Linux
3 45 (18.15%) Windows 7
3 45 (18.15%) Windows Server 2012
4 31 (12.50%) Windows Server 2008
5 25 (10.08%) Windows 10
6 13 (5.24%) Ubuntu
7 11 (4.44%) Windows Server 2003
8 9 (3.63%) Unix
8 9 (3.63%) Windows 8
9 6 (2.42%) Debian
10 5 (2.02%) Red Hat Enterprise Linux
11 4 (1.61%) CentOS
12 3 (1.21%) Mac OS X
13 2 (0.81%) Windows XP
14 1 (0.40%) FreeBSD
14 1 (0.40%) Windows 2000 Server
Processes & Methodologies
1 52 (20.97%) ITIL
2 35 (14.11%) DevOps
3 30 (12.10%) Agile Software Development
4 24 (9.68%) BDD
4 24 (9.68%) Continuous Delivery
4 24 (9.68%) TDD
5 23 (9.27%) Continuous Integration
5 23 (9.27%) High Availability
6 20 (8.06%) Network Design
7 13 (5.24%) IT Strategy
7 13 (5.24%) Kalman Filter
8 12 (4.84%) Software Deployment
9 11 (4.44%) Disaster Recovery
9 11 (4.44%) Runbook
9 11 (4.44%) SIEM
10 10 (4.03%) Network Management
10 10 (4.03%) Project Management
11 9 (3.63%) Incident Management
11 9 (3.63%) Load Balancing
11 9 (3.63%) Proactive Monitoring
Programming Languages
1 28 (11.29%) PowerShell
2 23 (9.27%) Java
2 23 (9.27%) SQL
3 12 (4.84%) Python
4 11 (4.44%) T-SQL
5 7 (2.82%) Bash Shell
6 4 (1.61%) Perl
7 3 (1.21%) VBScript
8 2 (0.81%) C
8 2 (0.81%) JavaScript
8 2 (0.81%) PHP
8 2 (0.81%) Ruby
9 1 (0.40%) C#
9 1 (0.40%) C++
9 1 (0.40%) Tcl
9 1 (0.40%) VB
Qualifications
1 46 (18.55%) Cisco Certification
2 38 (15.32%) CCNA
3 21 (8.47%) Microsoft Certification
4 20 (8.06%) MCSE
5 17 (6.85%) CCNP
6 13 (5.24%) Degree
7 11 (4.44%) MCSA
8 10 (4.03%) CCIE
9 9 (3.63%) CCSA
9 9 (3.63%) ITIL Certification
10 8 (3.23%) CCDA
10 8 (3.23%) VMware Certified Professional (VCP)
11 7 (2.82%) MCITP
11 7 (2.82%) MCP
12 6 (2.42%) Computer Science Degree
13 5 (2.02%) CISSP
14 4 (1.61%) SSCP
15 3 (1.21%) CCDP
15 3 (1.21%) Check Point Certification
15 3 (1.21%) Numerate Degree
Quality Assurance & Compliance
1 14 (5.65%) SLA
2 5 (2.02%) ISO/IEC 27001
2 5 (2.02%) QA
3 2 (0.81%) HIPAA
3 2 (0.81%) PCI DSS
3 2 (0.81%) Sarbanes-Oxley
4 1 (0.40%) Data Quality
System Software
1 144 (58.06%) Active Directory
2 66 (26.61%) VMware Infrastructure
3 32 (12.90%) XenApp
4 26 (10.48%) Docker
5 23 (9.27%) Hyper-V
5 23 (9.27%) XenDesktop
6 20 (8.06%) vSphere
7 17 (6.85%) XenServer
8 13 (5.24%) VMware ESXi
9 11 (4.44%) VMware Workstation
10 4 (1.61%) iptables
11 3 (1.21%) KVM
11 3 (1.21%) Terminal Services
12 2 (0.81%) DFS Replication
12 2 (0.81%) LXC
12 2 (0.81%) Microsoft App-V
12 2 (0.81%) Virtual Machines
13 1 (0.40%) Postfix
13 1 (0.40%) Xen
13 1 (0.40%) Xsan
Systems Management
1 41 (16.53%) Puppet
2 18 (7.26%) SCCM
3 13 (5.24%) WSUS
4 10 (4.03%) Backup Exec
5 9 (3.63%) Opscode Chef
6 8 (3.23%) HP Data Protector
6 8 (3.23%) HP SIM
6 8 (3.23%) SCOM
7 7 (2.82%) Ansible
7 7 (2.82%) Nagios
8 6 (2.42%) Cisco CUCM
9 5 (2.02%) Norton AntiVirus
9 5 (2.02%) SolarWinds Orion
10 4 (1.61%) CFEngine
10 4 (1.61%) NetBackup
10 4 (1.61%) XenMobile
11 3 (1.21%) AirWatch
11 3 (1.21%) Business Desktop Deployment
11 3 (1.21%) McAfee ePO
12 2 (0.81%) Kubernetes
Vendors
1 106 (42.74%) Microsoft
2 94 (37.90%) VMware
3 64 (25.81%) Citrix
4 63 (25.40%) Cisco
5 32 (12.90%) IBM
6 26 (10.48%) Splunk
7 24 (9.68%) CheckPoint
8 21 (8.47%) Dell
9 20 (8.06%) HP
10 18 (7.26%) Juniper
11 15 (6.05%) F5
12 14 (5.65%) EMC
12 14 (5.65%) SolarWinds
13 13 (5.24%) Meraki
13 13 (5.24%) Symantec
14 10 (4.03%) EqualLogic
14 10 (4.03%) Palo Alto
15 9 (3.63%) 3PAR
16 8 (3.23%) Google
16 8 (3.23%) Mitel