Period
to 17 October 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 17 October 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
17 Oct 2021
Same period 2020 Same period 2019
Rank 157 118 118
Rank change year-on-year -39 0 0
Permanent jobs citing DNS 96 79 279
As % of all permanent jobs advertised in the City of London 1.63% 2.21% 2.78%
As % of the Communications & Networking category 17.81% 15.80% 21.46%
Number of salaries quoted 79 74 245
10th Percentile £36,250 £46,625 £26,550
25th Percentile £44,375 £62,625 £32,500
Median annual salary (50th Percentile) £56,500 £82,500 £55,000
Median % change year-on-year -31.52% +50.00% +15.79%
75th Percentile £75,000 £85,000 £70,000
90th Percentile £93,100 £92,125 £83,750
Central London median annual salary £55,000 £75,000 £52,500
% change year-on-year -26.67% +42.86% +10.53%

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 539 500 1,300
As % of all permanent IT jobs advertised in the City of London 9.15% 13.98% 12.95%
Number of salaries quoted 478 448 1,145
10th Percentile £32,500 £37,526 £28,500
25th Percentile £46,250 £48,750 £40,000
Median annual salary (50th Percentile) £63,868 £69,375 £57,500
Median % change year-on-year -7.94% +20.65% +4.55%
75th Percentile £81,250 £83,750 £77,500
90th Percentile £102,500 £96,250 £88,250
Central London median annual salary £60,000 £67,500 £57,500
% change year-on-year -11.11% +17.39% +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 17 October 2021.

Salary histogram for DNS in the City of London

For the 6 months to 17 October 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 53 (55.21%) Microsoft
2 50 (52.08%) DHCP
3 49 (51.04%) Active Directory
4 45 (46.88%) Windows
5 32 (33.33%) TCP/IP
5 32 (33.33%) AWS
6 31 (32.29%) Azure
7 29 (30.21%) Python
8 28 (29.17%) VMware
9 26 (27.08%) Finance
9 26 (27.08%) Problem-Solving
9 26 (27.08%) Social Skills
10 24 (25.00%) DevOps
11 23 (23.96%) Microsoft 365
12 22 (22.92%) Citrix
12 22 (22.92%) VMware Infrastructure
13 21 (21.88%) PowerShell
13 21 (21.88%) Windows Server
14 20 (20.83%) MS Exchange
15 19 (19.79%) Firewall
15 19 (19.79%) Service Delivery
16 17 (17.71%) ITIL
16 17 (17.71%) Infrastructure Engineering
16 17 (17.71%) Amazon ECS
17 16 (16.67%) Java
18 15 (15.63%) SCCM
18 15 (15.63%) Terraform
18 15 (15.63%) AWS CloudFormation
18 15 (15.63%) vSphere
19 14 (14.58%) Windows 10

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 20 (20.83%) MS Exchange
2 12 (12.50%) Skype for Business
3 7 (7.29%) Exchange Server 2010
3 7 (7.29%) IIS
4 4 (4.17%) Blackberry Enterprise Server
4 4 (4.17%) SharePoint
5 3 (3.13%) SAS
5 3 (3.13%) Tomcat
6 2 (2.08%) CMS
6 2 (2.08%) Headless CMS
7 1 (1.04%) Apache Pulsar
7 1 (1.04%) Elasticsearch
7 1 (1.04%) JBoss
7 1 (1.04%) nginx
7 1 (1.04%) WebSphere
Applications
1 8 (8.33%) Microsoft Office
2 2 (2.08%) Microsoft Excel
3 1 (1.04%) Microsoft PowerPoint
Business Applications
1 3 (3.13%) FastStats
1 3 (3.13%) Relativity
1 3 (3.13%) Unica
2 1 (1.04%) Dynamics GP
Cloud Services
1 32 (33.33%) AWS
2 31 (32.29%) Azure
3 23 (23.96%) Microsoft 365
4 17 (17.71%) Amazon ECS
5 15 (15.63%) AWS CloudFormation
6 14 (14.58%) AWS Fargate
7 11 (11.46%) Azure Active Directory
8 10 (10.42%) Amazon EC2
9 8 (8.33%) Serverless
10 7 (7.29%) Amazon ELB
10 7 (7.29%) AWS Lambda
10 7 (7.29%) Virtual Private Cloud
11 4 (4.17%) Amazon S3
11 4 (4.17%) IaaS
11 4 (4.17%) Mimecast
11 4 (4.17%) SaaS
12 3 (3.13%) Cloudflare
12 3 (3.13%) CloudFront
12 3 (3.13%) OneDrive
12 3 (3.13%) Power Platform
Communications & Networking
1 50 (52.08%) DHCP
2 32 (33.33%) TCP/IP
3 19 (19.79%) Firewall
4 13 (13.54%) VLAN
5 8 (8.33%) VPN
6 6 (6.25%) LAN
6 6 (6.25%) Network Security
6 6 (6.25%) WAN
7 5 (5.21%) Cisco ASA
7 5 (5.21%) SMTP
8 4 (4.17%) Cisco IOS
8 4 (4.17%) Fibre Channel
8 4 (4.17%) HTTP
8 4 (4.17%) SAN
8 4 (4.17%) Skype
8 4 (4.17%) VoIP
8 4 (4.17%) WebEx
9 3 (3.13%) AMQP
9 3 (3.13%) Cisco Firepower
9 3 (3.13%) Cisco Nexus
Database & Business Intelligence
1 9 (9.38%) SQL Server
2 5 (5.21%) PostgreSQL
3 4 (4.17%) Redis
4 3 (3.13%) Amazon Athena
4 3 (3.13%) Amazon DynamoDB
5 2 (2.08%) Apache Cassandra
5 2 (2.08%) ArangoDB
5 2 (2.08%) Azure SQL Database
6 1 (1.04%) Aerospike
6 1 (1.04%) Amazon RDS
6 1 (1.04%) Big Data
6 1 (1.04%) Blockchain
6 1 (1.04%) CockroachDB
6 1 (1.04%) Couchbase
6 1 (1.04%) Hadoop
6 1 (1.04%) NoSQL
6 1 (1.04%) Power BI
6 1 (1.04%) Qlik Sense
6 1 (1.04%) Relational Database
6 1 (1.04%) Tableau
Development Applications
1 6 (6.25%) Terragrunt
2 2 (2.08%) Git (software)
3 1 (1.04%) Ant
3 1 (1.04%) Atlassian Bamboo
3 1 (1.04%) Burp Suite
3 1 (1.04%) Gradle
3 1 (1.04%) Jenkins
3 1 (1.04%) JIRA
3 1 (1.04%) Maven
3 1 (1.04%) Metasploit
3 1 (1.04%) sqlmap
General
1 26 (27.08%) Finance
1 26 (27.08%) Social Skills
2 14 (14.58%) Legal
3 12 (12.50%) Analytical Skills
4 11 (11.46%) Banking
5 10 (10.42%) Financial Institution
6 7 (7.29%) Law
6 7 (7.29%) Telecoms
7 5 (5.21%) Back Office
7 5 (5.21%) Marketing
8 4 (4.17%) German Language
8 4 (4.17%) Military
8 4 (4.17%) Organisational Skills
9 3 (3.13%) Automotive
9 3 (3.13%) Documentation Skills
9 3 (3.13%) Front Office
9 3 (3.13%) Presentation Skills
9 3 (3.13%) Retail
10 2 (2.08%) Pharmaceutical
11 1 (1.04%) Investment Banking
Job Titles
1 15 (15.63%) DevOps Engineer
1 15 (15.63%) Infrastructure Engineer
2 13 (13.54%) Analyst
3 10 (10.42%) Support Analyst
4 9 (9.38%) IT Support
5 8 (8.33%) Senior DevOps
5 8 (8.33%) Senior DevOps Engineer
6 7 (7.29%) AWS Engineer
6 7 (7.29%) Cloud Engineer
6 7 (7.29%) IT Analyst
6 7 (7.29%) IT Support Analyst
6 7 (7.29%) Support Engineer
7 6 (6.25%) Windows Engineer
8 5 (5.21%) Technical Support
9 4 (4.17%) IT Manager
9 4 (4.17%) Senior Infrastructure Engineer
9 4 (4.17%) Senior Wintel Engineer
9 4 (4.17%) Technical Engineer
9 4 (4.17%) Windows Infrastructure Engineer
9 4 (4.17%) Wintel Engineer
Libraries, Frameworks & Software Standards
1 3 (3.13%) Django
1 3 (3.13%) FastAPI
1 3 (3.13%) Flask
1 3 (3.13%) REST
1 3 (3.13%) SQLAlchemy
1 3 (3.13%) WebSockets
2 2 (2.08%) .NET
2 2 (2.08%) Kafka
2 2 (2.08%) SOAP
2 2 (2.08%) Web Services
3 1 (1.04%) ARM Templates
3 1 (1.04%) COM
3 1 (1.04%) CSS
3 1 (1.04%) Elastic Stack
3 1 (1.04%) HTML
3 1 (1.04%) Middleware
3 1 (1.04%) Node.js
3 1 (1.04%) React
3 1 (1.04%) RESTful
3 1 (1.04%) Sass
Miscellaneous
1 10 (10.42%) Hedge funds
2 7 (7.29%) Data Centre
3 6 (6.25%) Legacy Code
3 6 (6.25%) Video Conferencing
4 5 (5.21%) Management Information System
4 5 (5.21%) Replication
4 5 (5.21%) Self-Motivation
5 4 (4.17%) Blackberry
5 4 (4.17%) EMC VNX
5 4 (4.17%) Mobile Computing
5 4 (4.17%) PKI
5 4 (4.17%) Symmetrix
5 4 (4.17%) User Experience
6 3 (3.13%) EFT
6 3 (3.13%) Public Cloud
6 3 (3.13%) Video on Demand
6 3 (3.13%) Video\Live Streaming
7 2 (2.08%) Distributed Denial-of-Service
8 1 (1.04%) Private Cloud
8 1 (1.04%) Virtual Team
Operating Systems
1 45 (46.88%) Windows
2 21 (21.88%) Windows Server
3 14 (14.58%) Unix
3 14 (14.58%) Windows 10
4 11 (11.46%) Linux
5 9 (9.38%) Windows Server 2012
6 6 (6.25%) Windows Server 2008
6 6 (6.25%) Windows Server 2016
7 5 (5.21%) Apple iOS
8 4 (4.17%) Windows Server 2003
9 3 (3.13%) VMS
10 2 (2.08%) Mac OS
10 2 (2.08%) Mac OS X
10 2 (2.08%) Windows Server 2019
10 2 (2.08%) Windows XP
11 1 (1.04%) Windows 7
Processes & Methodologies
1 26 (27.08%) Problem-Solving
2 24 (25.00%) DevOps
3 19 (19.79%) Service Delivery
4 17 (17.71%) Infrastructure Engineering
4 17 (17.71%) ITIL
5 14 (14.58%) Change Management
5 14 (14.58%) Investment Management
6 13 (13.54%) Project Management
7 11 (11.46%) Agile Software Development
7 11 (11.46%) Cybersecurity
7 11 (11.46%) Data Protection
8 10 (10.42%) Service Management
9 9 (9.38%) Migration
10 8 (8.33%) Continuous Improvement
11 7 (7.29%) Software Engineering
12 6 (6.25%) Computer Science
12 6 (6.25%) Network Load Balancing
12 6 (6.25%) Root Cause Analysis
12 6 (6.25%) Server Management
12 6 (6.25%) Workflow
Programming Languages
1 29 (30.21%) Python
2 21 (21.88%) PowerShell
3 16 (16.67%) Java
4 11 (11.46%) SQL
5 3 (3.13%) Bash Shell
5 3 (3.13%) R
5 3 (3.13%) T-SQL
6 2 (2.08%) JavaScript
7 1 (1.04%) C#
Qualifications
1 12 (12.50%) Degree
2 10 (10.42%) Microsoft Certification
3 6 (6.25%) AWS Certification
4 5 (5.21%) CCNP
4 5 (5.21%) Cisco Certification
4 5 (5.21%) MCSE
4 5 (5.21%) Security Cleared
5 4 (4.17%) CCNA
5 4 (4.17%) DV Cleared
5 4 (4.17%) HNC
6 3 (3.13%) ITIL Certification
7 2 (2.08%) A+ Certification
7 2 (2.08%) CCDA
7 2 (2.08%) CCENT
7 2 (2.08%) CEH
7 2 (2.08%) CompTIA Security+
7 2 (2.08%) CWNA
7 2 (2.08%) MCP
7 2 (2.08%) MCSA
7 2 (2.08%) Network+ Certification
Quality Assurance & Compliance
1 10 (10.42%) GDPR
2 9 (9.38%) SLA
3 1 (1.04%) NIST
3 1 (1.04%) QA
System Software
1 49 (51.04%) Active Directory
2 22 (22.92%) VMware Infrastructure
3 15 (15.63%) vSphere
4 12 (12.50%) Docker
4 12 (12.50%) XenApp
5 9 (9.38%) XenDesktop
6 8 (8.33%) Hyper-V
7 6 (6.25%) VMware ESXi
8 5 (5.21%) Microsoft App-V
9 4 (4.17%) Forefront TMG
9 4 (4.17%) Veritas Cluster Server
10 2 (2.08%) Virtual Machines
11 1 (1.04%) KVM
11 1 (1.04%) Virtual Desktop
Systems Management
1 15 (15.63%) SCCM
1 15 (15.63%) Terraform
2 9 (9.38%) SCOM
3 6 (6.25%) Microsoft Intune
4 5 (5.21%) Kubernetes
5 4 (4.17%) Ansible
5 4 (4.17%) Forefront Identity Manager
5 4 (4.17%) McAfee ePO
5 4 (4.17%) MOM
5 4 (4.17%) NetBackup
5 4 (4.17%) OfficeScan
5 4 (4.17%) Symantec Enterprise Vault
5 4 (4.17%) Trend Micro Deep Security
6 3 (3.13%) Backup Exec
6 3 (3.13%) Opscode Chef
6 3 (3.13%) Puppet
6 3 (3.13%) Symantec Endpoint Protection
7 2 (2.08%) HAProxy
7 2 (2.08%) Microsoft Clustering
7 2 (2.08%) Single Sign-On
Vendors
1 53 (55.21%) Microsoft
2 28 (29.17%) VMware
3 22 (22.92%) Citrix
4 14 (14.58%) Cisco
5 10 (10.42%) EMC
5 10 (10.42%) HP
6 7 (7.29%) Dell
6 7 (7.29%) IBM
6 7 (7.29%) Symantec
6 7 (7.29%) Veritas
7 6 (6.25%) Polycom
8 5 (5.21%) Apple
9 4 (4.17%) Altiris
9 4 (4.17%) Huawei
9 4 (4.17%) Infoblox
9 4 (4.17%) McAfee
10 3 (3.13%) Apteco
10 3 (3.13%) iManage
10 3 (3.13%) Palo Alto
10 3 (3.13%) Splunk