Period
to 18 May 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 18 May 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
18 May 2021
Same period 2020 Same period 2019
Rank 179 138 119
Rank change year-on-year -41 -19 -9
Permanent jobs citing DNS 58 138 264
As % of all permanent jobs advertised in the City of London 1.16% 1.91% 2.61%
As % of the Communications & Networking category 12.78% 14.98% 20.28%
Number of salaries quoted 53 121 229
10th Percentile £38,030 £35,000 £29,000
25th Percentile £45,000 £37,500 £33,750
Median annual salary (50th Percentile) £57,500 £50,000 £50,000
Median % change year-on-year +15.00% - -9.09%
75th Percentile £80,500 £70,000 £67,500
90th Percentile £87,000 £80,000 £83,750
Central London median annual salary £56,500 £52,500 £45,000
% change year-on-year +7.62% +16.67% -14.29%

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 454 921 1,302
As % of all permanent IT jobs advertised in the City of London 9.12% 12.75% 12.86%
Number of salaries quoted 405 822 1,183
10th Percentile £41,250 £35,000 £29,800
25th Percentile £49,250 £42,500 £41,250
Median annual salary (50th Percentile) £64,236 £57,500 £60,000
Median % change year-on-year +11.71% -4.17% +4.35%
75th Percentile £80,000 £75,000 £77,500
90th Percentile £97,500 £88,750 £91,000
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

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 18 May 2021.

Salary histogram for DNS in the City of London

For the 6 months to 18 May 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 47 (81.03%) DHCP
2 40 (68.97%) Windows
3 38 (65.52%) Microsoft
4 36 (62.07%) Active Directory
4 36 (62.07%) Microsoft 365
5 32 (55.17%) PowerShell
6 30 (51.72%) Azure
7 28 (48.28%) VMware
8 25 (43.10%) TCP/IP
9 22 (37.93%) Windows Server
10 20 (34.48%) Citrix
10 20 (34.48%) Finance
10 20 (34.48%) VMware Infrastructure
11 17 (29.31%) SharePoint
11 17 (29.31%) ITIL
11 17 (29.31%) Azure Active Directory
11 17 (29.31%) Microsoft Intune
12 16 (27.59%) Social Skills
12 16 (27.59%) Microsoft Office
13 14 (24.14%) Firewall
13 14 (24.14%) SCCM
13 14 (24.14%) Infrastructure Engineering
13 14 (24.14%) Windows Server 2012
13 14 (24.14%) Windows 10
14 13 (22.41%) XenDesktop
14 13 (22.41%) AWS
14 13 (22.41%) VPN
15 12 (20.69%) Problem-Solving
16 11 (18.97%) VLAN
17 10 (17.24%) IIS

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 17 (29.31%) SharePoint
2 10 (17.24%) IIS
3 9 (15.52%) MS Exchange
4 5 (8.62%) Exchange Server 2010
5 4 (6.90%) Skype for Business
6 2 (3.45%) Confluence
7 1 (1.72%) CMS
7 1 (1.72%) Headless CMS
7 1 (1.72%) SAS
7 1 (1.72%) Tomcat
7 1 (1.72%) WebSphere
Applications
1 16 (27.59%) Microsoft Office
Business Applications
1 3 (5.17%) Relativity
2 2 (3.45%) Eikon
3 1 (1.72%) FastStats
3 1 (1.72%) Tradar
3 1 (1.72%) Unica
Cloud Services
1 36 (62.07%) Microsoft 365
2 30 (51.72%) Azure
3 17 (29.31%) Azure Active Directory
4 13 (22.41%) AWS
5 6 (10.34%) OneDrive
6 4 (6.90%) Amazon EC2
6 4 (6.90%) SaaS
7 3 (5.17%) Amazon ELB
7 3 (5.17%) AWS CloudFormation
7 3 (5.17%) AWS Lambda
7 3 (5.17%) IaaS
7 3 (5.17%) Mimecast
7 3 (5.17%) Serverless
7 3 (5.17%) Virtual Private Cloud
8 2 (3.45%) Amazon S3
8 2 (3.45%) Dynamics 365
8 2 (3.45%) Power Platform
8 2 (3.45%) Route 53
9 1 (1.72%) Amazon ECS
9 1 (1.72%) PowerApps
Communications & Networking
1 47 (81.03%) DHCP
2 25 (43.10%) TCP/IP
3 14 (24.14%) Firewall
4 13 (22.41%) VPN
5 11 (18.97%) VLAN
6 10 (17.24%) NetScaler
7 6 (10.34%) iSCSI
7 6 (10.34%) Network Security
8 5 (8.62%) SAN
9 4 (6.90%) DMZ
9 4 (6.90%) NAS
9 4 (6.90%) VoIP
10 3 (5.17%) BGP
10 3 (5.17%) Cisco IOS
10 3 (5.17%) Fibre Channel
10 3 (5.17%) MPLS
10 3 (5.17%) WAN
11 2 (3.45%) Cisco Nexus
11 2 (3.45%) HTTP
11 2 (3.45%) LAN
Database & Business Intelligence
1 6 (10.34%) Amazon RDS
1 6 (10.34%) SQL Server
2 2 (3.45%) SQL Server 2012
2 2 (3.45%) SQL Server 2014
3 1 (1.72%) Power BI
Development Applications
1 6 (10.34%) JIRA
2 2 (3.45%) Atlassian Bamboo
2 2 (3.45%) Git (software)
2 2 (3.45%) Jenkins
3 1 (1.72%) Chocolatey
3 1 (1.72%) GitLab
3 1 (1.72%) Sonatype Nexus
3 1 (1.72%) Terragrunt
General
1 20 (34.48%) Finance
2 16 (27.59%) Social Skills
3 7 (12.07%) Legal
4 6 (10.34%) Documentation Skills
5 5 (8.62%) Analytical Skills
5 5 (8.62%) Banking
5 5 (8.62%) Telecoms
6 4 (6.90%) Law
6 4 (6.90%) Organisational Skills
7 3 (5.17%) Financial Institution
7 3 (5.17%) German Language
8 2 (3.45%) Back Office
8 2 (3.45%) Dutch Language
8 2 (3.45%) Front Office
8 2 (3.45%) Marketing
9 1 (1.72%) French Language
9 1 (1.72%) Italian Language
9 1 (1.72%) Military
9 1 (1.72%) Pharmaceutical
9 1 (1.72%) Spanish Language
Job Titles
1 13 (22.41%) Infrastructure Engineer
2 7 (12.07%) Network Engineer
2 7 (12.07%) Support Engineer
2 7 (12.07%) Windows Engineer
3 5 (8.62%) Analyst
3 5 (8.62%) Azure Engineer
3 5 (8.62%) Citrix Engineer
3 5 (8.62%) Support Analyst
3 5 (8.62%) VMware Engineer
4 4 (6.90%) Cisco Engineer
4 4 (6.90%) Cloud Engineer
4 4 (6.90%) Linux Engineer
5 3 (5.17%) IT Support
5 3 (5.17%) Linux Support
5 3 (5.17%) Linux Support Engineer
5 3 (5.17%) Senior Linux Engineer
5 3 (5.17%) Senior Linux Support
5 3 (5.17%) VMware Support Engineer
5 3 (5.17%) Windows Infrastructure Engineer
5 3 (5.17%) Windows Support Engineer
Libraries, Frameworks & Software Standards
1 4 (6.90%) Web Services
2 2 (3.45%) .NET
3 1 (1.72%) 802.1X
3 1 (1.72%) LDAP
3 1 (1.72%) Software Packaging
3 1 (1.72%) WebSphere MQ
Miscellaneous
1 7 (12.07%) Data Centre
2 5 (8.62%) Replication
3 4 (6.90%) Clustering
3 4 (6.90%) Management Information System
4 3 (5.17%) EMC VNX
4 3 (5.17%) Hedge funds
4 3 (5.17%) Symmetrix
4 3 (5.17%) Video Conferencing
5 2 (3.45%) Mobile Computing
5 2 (3.45%) User Experience
6 1 (1.72%) EFT
6 1 (1.72%) Public Cloud
6 1 (1.72%) Smartphone
Operating Systems
1 40 (68.97%) Windows
2 22 (37.93%) Windows Server
3 14 (24.14%) Windows 10
3 14 (24.14%) Windows Server 2012
4 9 (15.52%) Windows Server 2008
5 8 (13.79%) Linux
6 7 (12.07%) Windows Server 2016
7 5 (8.62%) Mac OS
8 4 (6.90%) Apple iOS
8 4 (6.90%) Ubuntu
8 4 (6.90%) Windows Server 2019
9 3 (5.17%) Android
9 3 (5.17%) Windows Server 2003
10 1 (1.72%) Red Hat Enterprise Linux
10 1 (1.72%) Unix
10 1 (1.72%) VMS
Processes & Methodologies
1 17 (29.31%) ITIL
2 14 (24.14%) Infrastructure Engineering
3 12 (20.69%) Problem-Solving
4 7 (12.07%) Agile Software Development
4 7 (12.07%) Service Delivery
5 5 (8.62%) Change Management
5 5 (8.62%) Cybersecurity
5 5 (8.62%) Load Balancing
5 5 (8.62%) Proactive Monitoring
5 5 (8.62%) Project Delivery
6 4 (6.90%) Change Control
6 4 (6.90%) Disaster Recovery
6 4 (6.90%) High Availability
6 4 (6.90%) Performance Tuning
6 4 (6.90%) Server Management
7 3 (5.17%) Business Continuity
7 3 (5.17%) Business Intelligence
7 3 (5.17%) Migration
7 3 (5.17%) Project Management
7 3 (5.17%) Risk Management
Programming Languages
1 32 (55.17%) PowerShell
2 6 (10.34%) Python
2 6 (10.34%) SQL
3 2 (3.45%) Bash Shell
3 2 (3.45%) Java
4 1 (1.72%) R
4 1 (1.72%) T-SQL
Qualifications
1 8 (13.79%) Cisco Certification
2 7 (12.07%) CCNA
3 6 (10.34%) CCNP
4 5 (8.62%) ITIL Certification
5 3 (5.17%) CISSP
5 3 (5.17%) MCSE
5 3 (5.17%) Microsoft Certification
6 2 (3.45%) CISM
6 2 (3.45%) Degree
6 2 (3.45%) MCP
7 1 (1.72%) (ISC)2 CCSP
7 1 (1.72%) AWS Certification
7 1 (1.72%) CCENT
7 1 (1.72%) CompTIA Security+
7 1 (1.72%) CWNA
7 1 (1.72%) DV Cleared
7 1 (1.72%) ITIL Foundation Certificate
7 1 (1.72%) Master's Degree
7 1 (1.72%) Network+ Certification
7 1 (1.72%) Security Cleared
Quality Assurance & Compliance
1 7 (12.07%) ISO/IEC 27001
2 4 (6.90%) Cyber Essentials
2 4 (6.90%) Cyber Essentials PLUS
3 3 (5.17%) GDPR
4 1 (1.72%) ISO 22301
4 1 (1.72%) SLA
System Software
1 36 (62.07%) Active Directory
2 20 (34.48%) VMware Infrastructure
3 13 (22.41%) XenDesktop
4 7 (12.07%) Hyper-V
4 7 (12.07%) XenApp
5 6 (10.34%) vSphere
6 3 (5.17%) Microsoft App-V
7 2 (3.45%) DFS Replication
7 2 (3.45%) Docker
8 1 (1.72%) Forefront TMG
8 1 (1.72%) Microsoft Virtual Server
8 1 (1.72%) Virtual Machines
8 1 (1.72%) Virtual Servers
Systems Management
1 17 (29.31%) Microsoft Intune
2 14 (24.14%) SCCM
3 6 (10.34%) SCOM
4 4 (6.90%) Failover Clustering
4 4 (6.90%) Microsoft Data Protection Manager
4 4 (6.90%) SCDPM
5 3 (5.17%) Puppet
5 3 (5.17%) SCOrch
5 3 (5.17%) Single Sign-On
5 3 (5.17%) Symantec Enterprise Vault
6 2 (3.45%) Ansible
6 2 (3.45%) Kubernetes
6 2 (3.45%) Opscode Chef
6 2 (3.45%) Terraform
7 1 (1.72%) Backup Exec
7 1 (1.72%) Forefront Identity Manager
7 1 (1.72%) Graylog
7 1 (1.72%) MOM
7 1 (1.72%) NetBackup
7 1 (1.72%) Symantec Endpoint Protection
Vendors
1 38 (65.52%) Microsoft
2 28 (48.28%) VMware
3 20 (34.48%) Citrix
4 9 (15.52%) Cisco
4 9 (15.52%) HP
5 5 (8.62%) EMC
6 4 (6.90%) Aruba
6 4 (6.90%) Barracuda Networks
6 4 (6.90%) iManage
6 4 (6.90%) Infoblox
6 4 (6.90%) Ivanti
6 4 (6.90%) NetApp
6 4 (6.90%) Polycom
6 4 (6.90%) Symantec
6 4 (6.90%) Synology
7 3 (5.17%) Apple
7 3 (5.17%) Bloomberg
7 3 (5.17%) CheckPoint
7 3 (5.17%) IBM
7 3 (5.17%) Palo Alto