Period
to 23 July 2021

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 23 July 2021 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
Central London > City of London
6 months to
23 Jul 2021
Same period 2020 Same period 2019
Rank 175 129 111
Rank change year-on-year -46 -18 -6
Permanent jobs citing DNS 68 115 286
As % of all permanent jobs advertised in the City of London 1.21% 2.09% 2.78%
As % of the Communications & Networking category 13.79% 15.97% 21.73%
Number of salaries quoted 59 103 254
10th Percentile £36,250 £35,000 £28,250
25th Percentile £42,500 £45,000 £32,625
Median annual salary (50th Percentile) £52,500 £62,500 £50,000
Median % change year-on-year -16.00% +25.00% -4.76%
75th Percentile £72,500 £81,250 £68,750
90th Percentile £81,250 £85,000 £82,500
Central London median annual salary £52,500 £55,000 £50,000
% change year-on-year -4.55% +10.00% -4.76%

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 493 720 1,316
As % of all permanent IT jobs advertised in the City of London 8.77% 13.06% 12.80%
Number of salaries quoted 435 642 1,193
10th Percentile £39,350 £36,250 £29,000
25th Percentile £47,125 £46,250 £40,000
Median annual salary (50th Percentile) £62,500 £60,000 £60,000
Median % change year-on-year +4.17% - +4.35%
75th Percentile £80,500 £77,500 £77,500
90th Percentile £101,050 £88,750 £87,500
Central London median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -4.35%

DNS
Job Vacancy Trend in the City of London

Job postings citing DNS as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing DNS in the City of London over the 6 months to 23 July 2021.

Salary histogram for DNS in the City of London

For the 6 months to 23 July 2021, IT jobs citing DNS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for DNS.

1 48 (70.59%) DHCP
2 45 (66.18%) Microsoft
2 45 (66.18%) Windows
3 38 (55.88%) Active Directory
4 33 (48.53%) TCP/IP
5 29 (42.65%) Microsoft 365
6 27 (39.71%) Azure
7 25 (36.76%) VMware
8 22 (32.35%) Problem-Solving
9 20 (29.41%) PowerShell
10 19 (27.94%) VMware Infrastructure
10 19 (27.94%) VLAN
11 18 (26.47%) Citrix
11 18 (26.47%) Infrastructure Engineering
11 18 (26.47%) Social Skills
12 17 (25.00%) Windows 10
12 17 (25.00%) Windows Server
12 17 (25.00%) Firewall
13 16 (23.53%) ITIL
14 15 (22.06%) Finance
14 15 (22.06%) AWS
15 14 (20.59%) Agile Software Development
15 14 (20.59%) Change Management
16 13 (19.12%) Service Delivery
16 13 (19.12%) Microsoft Office
16 13 (19.12%) MS Exchange
16 13 (19.12%) vSphere
16 13 (19.12%) SCCM
16 13 (19.12%) Azure Active Directory
16 13 (19.12%) Windows Server 2012

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 13 (19.12%) MS Exchange
2 9 (13.24%) IIS
2 9 (13.24%) Skype for Business
3 7 (10.29%) SharePoint
4 6 (8.82%) Exchange Server 2010
5 3 (4.41%) SAS
5 3 (4.41%) Tomcat
6 2 (2.94%) CMS
6 2 (2.94%) Headless CMS
7 1 (1.47%) WebSphere
Applications
1 13 (19.12%) Microsoft Office
Business Applications
1 4 (5.88%) Relativity
2 3 (4.41%) FastStats
2 3 (4.41%) Unica
3 1 (1.47%) Dynamics GP
Cloud Services
1 29 (42.65%) Microsoft 365
2 27 (39.71%) Azure
3 15 (22.06%) AWS
4 13 (19.12%) Azure Active Directory
5 8 (11.76%) Amazon EC2
6 7 (10.29%) Amazon ELB
6 7 (10.29%) AWS CloudFormation
6 7 (10.29%) AWS Lambda
6 7 (10.29%) Serverless
6 7 (10.29%) Virtual Private Cloud
7 4 (5.88%) Amazon ECS
7 4 (5.88%) AWS Fargate
7 4 (5.88%) IaaS
7 4 (5.88%) OneDrive
8 3 (4.41%) Amazon S3
8 3 (4.41%) Route 53
9 2 (2.94%) Mimecast
9 2 (2.94%) SaaS
10 1 (1.47%) Dynamics 365
10 1 (1.47%) GitHub
Communications & Networking
1 48 (70.59%) DHCP
2 33 (48.53%) TCP/IP
3 19 (27.94%) VLAN
4 17 (25.00%) Firewall
5 12 (17.65%) VPN
6 5 (7.35%) Cisco IOS
6 5 (7.35%) Fibre Channel
6 5 (7.35%) NetScaler
6 5 (7.35%) Network Security
6 5 (7.35%) WAN
7 4 (5.88%) Cisco Nexus
7 4 (5.88%) HTTP
7 4 (5.88%) LAN
7 4 (5.88%) SAN
7 4 (5.88%) SMTP
7 4 (5.88%) VoIP
8 3 (4.41%) Cisco ASA
8 3 (4.41%) Extranet
8 3 (4.41%) SSL
8 3 (4.41%) WebEx
Database & Business Intelligence
1 9 (13.24%) SQL Server
2 3 (4.41%) Amazon RDS
3 1 (1.47%) Metadata
3 1 (1.47%) NoSQL
3 1 (1.47%) Power BI
3 1 (1.47%) RDBMS
3 1 (1.47%) Relational Database
3 1 (1.47%) SQL Server 2012
3 1 (1.47%) SQL Server 2014
Development Applications
1 4 (5.88%) Git (software)
1 4 (5.88%) Terragrunt
2 3 (4.41%) Atlassian Bamboo
2 3 (4.41%) Jenkins
3 1 (1.47%) Chocolatey
3 1 (1.47%) GitLab
3 1 (1.47%) JIRA
3 1 (1.47%) Sonatype Nexus
General
1 18 (26.47%) Social Skills
2 15 (22.06%) Finance
3 12 (17.65%) Analytical Skills
4 11 (16.18%) Legal
5 10 (14.71%) Telecoms
6 6 (8.82%) Law
6 6 (8.82%) Organisational Skills
7 5 (7.35%) Back Office
7 5 (7.35%) Financial Institution
7 5 (7.35%) German Language
7 5 (7.35%) Marketing
8 4 (5.88%) Military
9 3 (4.41%) Documentation Skills
10 2 (2.94%) Dutch Language
10 2 (2.94%) Pharmaceutical
11 1 (1.47%) Banking
Job Titles
1 18 (26.47%) Infrastructure Engineer
2 12 (17.65%) Analyst
3 10 (14.71%) Support Analyst
4 6 (8.82%) IT Analyst
4 6 (8.82%) IT Manager
4 6 (8.82%) IT Support
4 6 (8.82%) IT Support Analyst
4 6 (8.82%) Windows Engineer
5 5 (7.35%) DevOps Engineer
5 5 (7.35%) IT Project Manager
5 5 (7.35%) Network Engineer
5 5 (7.35%) Project Manager
5 5 (7.35%) Senior Infrastructure Engineer
6 4 (5.88%) 2nd Line Support
6 4 (5.88%) 3rd Line Engineer
6 4 (5.88%) 3rd Line Support
6 4 (5.88%) 3rd Line Support Analyst
6 4 (5.88%) Support Engineer
6 4 (5.88%) Technical Support
6 4 (5.88%) Windows Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 4 (5.88%) .NET
2 2 (2.94%) Web Services
3 1 (1.47%) 802.1X
3 1 (1.47%) CSS
3 1 (1.47%) HTML
3 1 (1.47%) LDAP
3 1 (1.47%) Node.js
3 1 (1.47%) React
3 1 (1.47%) RESTful
3 1 (1.47%) Sass
3 1 (1.47%) Software Packaging
3 1 (1.47%) WebSphere MQ
Miscellaneous
1 7 (10.29%) Management Information System
2 6 (8.82%) Video Conferencing
3 5 (7.35%) Data Centre
3 5 (7.35%) EMC VNX
3 5 (7.35%) Hedge funds
3 5 (7.35%) Mobile Computing
3 5 (7.35%) Symmetrix
4 4 (5.88%) Legacy Code
5 3 (4.41%) EFT
5 3 (4.41%) User Experience
6 2 (2.94%) Replication
7 1 (1.47%) Clustering
7 1 (1.47%) Distributed Denial-of-Service
7 1 (1.47%) Enterprise Storage
7 1 (1.47%) Self-Motivation
Operating Systems
1 45 (66.18%) Windows
2 17 (25.00%) Windows 10
2 17 (25.00%) Windows Server
3 13 (19.12%) Windows Server 2012
4 9 (13.24%) Linux
5 7 (10.29%) Windows Server 2008
6 6 (8.82%) Apple iOS
6 6 (8.82%) Windows Server 2016
7 5 (7.35%) Windows Server 2003
8 4 (5.88%) Mac OS
9 3 (4.41%) VMS
10 1 (1.47%) Red Hat Enterprise Linux
10 1 (1.47%) Ubuntu
10 1 (1.47%) Unix
10 1 (1.47%) Windows Server 2019
Processes & Methodologies
1 22 (32.35%) Problem-Solving
2 18 (26.47%) Infrastructure Engineering
3 16 (23.53%) ITIL
4 14 (20.59%) Agile Software Development
4 14 (20.59%) Change Management
5 13 (19.12%) Service Delivery
6 10 (14.71%) Project Management
7 8 (11.76%) Cybersecurity
8 7 (10.29%) Disaster Recovery
9 6 (8.82%) Business Intelligence
9 6 (8.82%) Continuous Improvement
9 6 (8.82%) DevOps
9 6 (8.82%) Information Security
9 6 (8.82%) Problem Management
9 6 (8.82%) Resource Management
10 5 (7.35%) Line Management
10 5 (7.35%) Proactive Monitoring
10 5 (7.35%) Project Governance
10 5 (7.35%) Root Cause Analysis
10 5 (7.35%) Security Patching
Programming Languages
1 20 (29.41%) PowerShell
2 9 (13.24%) Python
2 9 (13.24%) SQL
3 3 (4.41%) Bash Shell
3 3 (4.41%) Java
3 3 (4.41%) R
3 3 (4.41%) T-SQL
4 1 (1.47%) C#
4 1 (1.47%) JavaScript
Qualifications
1 5 (7.35%) CCNA
1 5 (7.35%) Cisco Certification
1 5 (7.35%) Security Cleared
2 4 (5.88%) AWS Certification
2 4 (5.88%) CCNP
2 4 (5.88%) Degree
2 4 (5.88%) DV Cleared
2 4 (5.88%) HNC
2 4 (5.88%) ITIL Certification
2 4 (5.88%) MCSE
2 4 (5.88%) Microsoft Certification
3 2 (2.94%) A+ Certification
3 2 (2.94%) CCDA
3 2 (2.94%) CCENT
3 2 (2.94%) CEH
3 2 (2.94%) CompTIA Security+
3 2 (2.94%) CWNA
3 2 (2.94%) Master's Degree
3 2 (2.94%) Network+ Certification
4 1 (1.47%) CCSA
Quality Assurance & Compliance
1 5 (7.35%) GDPR
2 3 (4.41%) ISO/IEC 27001
3 2 (2.94%) SLA
4 1 (1.47%) Cyber Essentials
4 1 (1.47%) Cyber Essentials PLUS
4 1 (1.47%) NIST
System Software
1 38 (55.88%) Active Directory
2 19 (27.94%) VMware Infrastructure
3 13 (19.12%) vSphere
4 10 (14.71%) XenApp
4 10 (14.71%) XenDesktop
5 7 (10.29%) Hyper-V
6 5 (7.35%) Microsoft App-V
7 4 (5.88%) Forefront TMG
7 4 (5.88%) VMware ESXi
8 3 (4.41%) Docker
9 1 (1.47%) Virtual Machines
Systems Management
1 13 (19.12%) SCCM
2 12 (17.65%) Microsoft Intune
3 5 (7.35%) SCOM
3 5 (7.35%) Symantec Enterprise Vault
3 5 (7.35%) Terraform
4 4 (5.88%) Forefront Identity Manager
4 4 (5.88%) MOM
4 4 (5.88%) Puppet
5 3 (4.41%) Ansible
5 3 (4.41%) Backup Exec
5 3 (4.41%) Kubernetes
5 3 (4.41%) Opscode Chef
5 3 (4.41%) Symantec Endpoint Protection
6 2 (2.94%) Active Directory Federation Services
6 2 (2.94%) WSUS
7 1 (1.47%) Failover Clustering
7 1 (1.47%) Graylog
7 1 (1.47%) Microsoft Clustering
7 1 (1.47%) Microsoft Data Protection Manager
7 1 (1.47%) vMotion
Vendors
1 45 (66.18%) Microsoft
2 25 (36.76%) VMware
3 18 (26.47%) Citrix
4 8 (11.76%) Cisco
4 8 (11.76%) EMC
4 8 (11.76%) Symantec
5 7 (10.29%) HP
5 7 (10.29%) IBM
6 6 (8.82%) iManage
6 6 (8.82%) Infoblox
7 5 (7.35%) Polycom
8 4 (5.88%) Dell
8 4 (5.88%) NetApp
9 3 (4.41%) Apteco
9 3 (4.41%) Intapp
9 3 (4.41%) Mitel
9 3 (4.41%) Palo Alto
9 3 (4.41%) ServiceNow
9 3 (4.41%) Veritas
10 2 (2.94%) Meraki