Period
to 5 December 2019

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 5 December 2019 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
Central London > City of London
6 months to
5 Dec 2019
Same period 2018 Same period 2017
Rank 123 133 129
Rank change year-on-year +10 -4 0
Permanent jobs citing DNS 235 279 240
As % of all permanent IT jobs advertised in the City of London 2.37% 2.48% 2.35%
As % of the Communications & Networking category 18.53% 19.19% 16.26%
Number of salaries quoted 209 265 219
City of London median annual salary £52,500 £46,000 £52,500
Median salary % change year-on-year +14.13% -12.38% +16.67%
10th Percentile £25,950 £29,450 £29,000
90th Percentile £82,500 £78,750 £77,500
Central London median annual salary £52,500 £45,000 £47,500
% change year-on-year +16.67% -5.26% +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 1,268 1,454 1,476
As % of all permanent IT jobs advertised in the City of London 12.76% 12.95% 14.42%
Number of salaries quoted 1,098 1,290 1,329
City of London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% -4.55%
10th Percentile £28,250 £30,000 £31,250
90th Percentile £87,500 £87,500 £80,250
Central London median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% -

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 5 December 2019.

Salary histogram for DNS in the City of London

For the 6 months to 5 December 2019, 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.

1 166 (70.64%) DHCP
2 159 (67.66%) Active Directory
3 158 (67.23%) Windows
4 117 (49.79%) Microsoft
5 104 (44.26%) Office 365
6 91 (38.72%) TCP/IP
7 86 (36.60%) VMware
8 82 (34.89%) Windows Server
9 77 (32.77%) Firewall
10 76 (32.34%) Azure
11 68 (28.94%) Finance
12 60 (25.53%) Cisco
13 59 (25.11%) PowerShell
14 50 (21.28%) VMware Infrastructure
14 50 (21.28%) Microsoft Office
14 50 (21.28%) Windows 10
15 48 (20.43%) Degree
16 47 (20.00%) Windows Server 2012
17 43 (18.30%) ITIL
18 41 (17.45%) Infrastructure Engineering
19 40 (17.02%) Wireless
20 39 (16.60%) AWS
21 38 (16.17%) Linux
21 38 (16.17%) VPN
22 37 (15.74%) LAN
22 37 (15.74%) VoIP
23 35 (14.89%) Windows Server 2008
23 35 (14.89%) WAN
23 35 (14.89%) Citrix
24 34 (14.47%) Microsoft Certification

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 24 (10.21%) MS Exchange
2 16 (6.81%) SharePoint
3 12 (5.11%) IIS
4 10 (4.26%) Exchange Server 2013
5 7 (2.98%) Exchange Server 2010
6 6 (2.55%) Apache
6 6 (2.55%) CMS
7 5 (2.13%) Skype for Business
8 4 (1.70%) Alfresco
9 3 (1.28%) nginx
10 2 (0.85%) Exchange Server 2007
10 2 (0.85%) LiveCycle
10 2 (0.85%) Tomcat
11 1 (0.43%) WebSphere
11 1 (0.43%) WordPress
Applications
1 50 (21.28%) Microsoft Office
2 5 (2.13%) Acrobat
3 3 (1.28%) Microsoft Project
3 3 (1.28%) MS Visio
4 2 (0.85%) Adobe Illustrator
4 2 (0.85%) InDesign
4 2 (0.85%) Photoshop
5 1 (0.43%) Spreadsheet
Business Applications
1 8 (3.40%) Distributed Ledger
2 3 (1.28%) SnowdropKCS
3 2 (0.85%) Elite 3E
Cloud Services
1 104 (44.26%) Office 365
2 76 (32.34%) Azure
3 39 (16.60%) AWS
4 19 (8.09%) Azure Active Directory
5 9 (3.83%) G Suite
5 9 (3.83%) GCP
5 9 (3.83%) Virtual Private Cloud
6 8 (3.40%) SaaS
7 6 (2.55%) Mimecast
8 4 (1.70%) Datadog
9 3 (1.28%) AWS CloudFormation
9 3 (1.28%) IaaS
9 3 (1.28%) OneDrive
10 2 (0.85%) Amazon S3
10 2 (0.85%) PaaS
10 2 (0.85%) Rackspace Cloud
11 1 (0.43%) Amazon EC2
11 1 (0.43%) Amazon ELB
11 1 (0.43%) Cloud Computing
11 1 (0.43%) Yammer
Communications & Networking
1 166 (70.64%) DHCP
2 91 (38.72%) TCP/IP
3 77 (32.77%) Firewall
4 40 (17.02%) Wireless
5 38 (16.17%) VPN
6 37 (15.74%) LAN
6 37 (15.74%) VoIP
7 35 (14.89%) WAN
8 33 (14.04%) SAN
9 25 (10.64%) VLAN
10 21 (8.94%) SMTP
11 17 (7.23%) Remote Desktop
12 16 (6.81%) HTTP
13 15 (6.38%) NAS
14 14 (5.96%) SSL
15 13 (5.53%) IP Telephony
16 12 (5.11%) BGP
16 12 (5.11%) Internet
16 12 (5.11%) Network Security
17 10 (4.26%) MPLS
Database & Business Intelligence
1 30 (12.77%) SQL Server
2 10 (4.26%) MySQL
3 4 (1.70%) Azure SQL Database
3 4 (1.70%) Big Data
3 4 (1.70%) NoSQL
4 3 (1.28%) Data Warehouse
4 3 (1.28%) SQL Server 2014
5 2 (0.85%) PostgreSQL
5 2 (0.85%) Redis
5 2 (0.85%) SQL Server 2008
5 2 (0.85%) SQL Server 2012
6 1 (0.43%) Amazon Aurora
6 1 (0.43%) Amazon DynamoDB
6 1 (0.43%) Cosmos DB
6 1 (0.43%) MariaDB
6 1 (0.43%) Power BI
6 1 (0.43%) SQL Server 2005
Development Applications
1 5 (2.13%) JIRA
2 3 (1.28%) Git (software)
3 2 (0.85%) Octopus Deploy
4 1 (0.43%) AdminStudio
4 1 (0.43%) InstallShield
4 1 (0.43%) Jenkins
General
1 68 (28.94%) Finance
2 14 (5.96%) Telecoms
3 10 (4.26%) Advertising
4 8 (3.40%) Banking
4 8 (3.40%) French Language
4 8 (3.40%) Law
5 5 (2.13%) Marketing
5 5 (2.13%) Publishing
6 4 (1.70%) Electronics
7 3 (1.28%) Investment Banking
7 3 (1.28%) Legal
8 2 (0.85%) Financial Institution
8 2 (0.85%) Manufacturing
8 2 (0.85%) Public Sector
8 2 (0.85%) Retail
9 1 (0.43%) Billing
9 1 (0.43%) International Banking
9 1 (0.43%) Pharmaceutical
Job Titles
1 37 (15.74%) IT Support
2 34 (14.47%) Analyst
3 33 (14.04%) Infrastructure Engineer
4 30 (12.77%) Support Engineer
5 27 (11.49%) IT Engineer
6 22 (9.36%) Support Analyst
7 21 (8.94%) Network Engineer
8 20 (8.51%) 2nd Line Support
9 18 (7.66%) IT Analyst
9 18 (7.66%) IT Support Engineer
10 16 (6.81%) Windows Engineer
11 14 (5.96%) Administrator
11 14 (5.96%) IT Support Analyst
12 12 (5.11%) Desktop Support
13 11 (4.68%) Architect
13 11 (4.68%) Senior Network Engineer
14 9 (3.83%) 1st Line Support
14 9 (3.83%) 2nd Line Engineer
14 9 (3.83%) 2nd Line Support Engineer
15 8 (3.40%) Python Engineer
Libraries, Frameworks & Software Standards
1 8 (3.40%) Django
1 8 (3.40%) Flask
1 8 (3.40%) GraphQL
1 8 (3.40%) LDAP
1 8 (3.40%) REST
2 7 (2.98%) Web Services
3 4 (1.70%) Kafka
4 3 (1.28%) Regular Expression
5 2 (0.85%) libvirt
6 1 (0.43%) 802.1X
6 1 (0.43%) ADO
6 1 (0.43%) FIX Protocol
6 1 (0.43%) J2EE
6 1 (0.43%) LAMP
6 1 (0.43%) ODBC
6 1 (0.43%) POSIX
6 1 (0.43%) SAML
6 1 (0.43%) WebSphere MQ
6 1 (0.43%) XML
6 1 (0.43%) XML Messaging
Miscellaneous
1 17 (7.23%) Replication
2 16 (6.81%) Data Centre
2 16 (6.81%) Video Conferencing
3 15 (6.38%) Analytical Skills
4 14 (5.96%) Blackberry
5 12 (5.11%) Self-Motivation
6 11 (4.68%) Management Information System
7 9 (3.83%) Clustering
8 8 (3.40%) Public Cloud
9 7 (2.98%) Distributed Denial-of-Service
9 7 (2.98%) Linux Command Line
9 7 (2.98%) Virtual Team
10 6 (2.55%) Hybrid Cloud
11 3 (1.28%) Fixed Income
12 2 (0.85%) iPhone
12 2 (0.85%) Private Cloud
12 2 (0.85%) Smartphone
13 1 (0.43%) CCTV
13 1 (0.43%) iPad
13 1 (0.43%) SWIFT
Operating Systems
1 158 (67.23%) Windows
2 82 (34.89%) Windows Server
3 50 (21.28%) Windows 10
4 47 (20.00%) Windows Server 2012
5 38 (16.17%) Linux
6 35 (14.89%) Windows Server 2008
7 33 (14.04%) Windows 7
8 27 (11.49%) Android
9 15 (6.38%) Apple iOS
10 14 (5.96%) Unix
11 9 (3.83%) Red Hat Enterprise Linux
12 7 (2.98%) Mac OS X
13 6 (2.55%) Mac OS
14 4 (1.70%) Solaris
14 4 (1.70%) Windows 8
14 4 (1.70%) Windows Server 2003
15 3 (1.28%) Ubuntu
16 2 (0.85%) CentOS
17 1 (0.43%) FreeNAS
17 1 (0.43%) VyOS
Processes & Methodologies
1 43 (18.30%) ITIL
2 41 (17.45%) Infrastructure Engineering
3 25 (10.64%) Problem-Solving
4 23 (9.79%) DevOps
5 21 (8.94%) Service Delivery
6 17 (7.23%) Load Balancing
7 16 (6.81%) Configuration Management
7 16 (6.81%) Fintech
8 15 (6.38%) Mentoring
8 15 (6.38%) Migration
9 14 (5.96%) Information Security
10 13 (5.53%) Agile Software Development
11 12 (5.11%) Patch Management
12 11 (4.68%) Service Management
12 11 (4.68%) Time Management
13 10 (4.26%) Cybersecurity
13 10 (4.26%) Project Management
14 9 (3.83%) Infrastructure as Code
15 8 (3.40%) Analytics
15 8 (3.40%) Unit Testing
Programming Languages
1 59 (25.11%) PowerShell
2 24 (10.21%) Python
3 16 (6.81%) SQL
4 11 (4.68%) C
5 10 (4.26%) Bash Shell
6 8 (3.40%) TypeScript
7 5 (2.13%) Ruby
8 1 (0.43%) C#
8 1 (0.43%) Perl
8 1 (0.43%) PHP
8 1 (0.43%) Shell Script
8 1 (0.43%) VBScript
Qualifications
1 48 (20.43%) Degree
2 34 (14.47%) Microsoft Certification
3 16 (6.81%) MCP
4 15 (6.38%) MCSA
5 14 (5.96%) Cisco Certification
6 11 (4.68%) CCNP
6 11 (4.68%) MCSE
6 11 (4.68%) VMware Certified Professional (VCP)
7 10 (4.26%) MCITP
8 5 (2.13%) CCNA
9 4 (1.70%) CCA
9 4 (1.70%) Citrix Certification
9 4 (1.70%) MCTS
9 4 (1.70%) RHCE
10 2 (0.85%) CCIE
11 1 (0.43%) A+ Certification
11 1 (0.43%) CISSP
11 1 (0.43%) JNCIS
11 1 (0.43%) MCSD
11 1 (0.43%) PRINCE2 Certification
Quality Assurance & Compliance
1 11 (4.68%) SLA
2 7 (2.98%) ISO/IEC 27001
3 4 (1.70%) GDPR
4 3 (1.28%) PCI DSS
4 3 (1.28%) QA
5 2 (0.85%) NIST
6 1 (0.43%) Cyber Essentials
6 1 (0.43%) ISO 15022
6 1 (0.43%) ISO 20022
System Software
1 159 (67.66%) Active Directory
2 50 (21.28%) VMware Infrastructure
3 22 (9.36%) Hyper-V
4 15 (6.38%) XenDesktop
5 14 (5.96%) VMware ESXi
6 13 (5.53%) vSphere
7 11 (4.68%) XenApp
8 9 (3.83%) Virtual Servers
9 7 (2.98%) Docker
10 5 (2.13%) NFS
11 4 (1.70%) Firmware
11 4 (1.70%) Microsoft Virtual Server
11 4 (1.70%) Virtual Machines
12 3 (1.28%) Cronacle
12 3 (1.28%) Veritas File System
12 3 (1.28%) Veritas Volume Manager
13 2 (0.85%) KVM
13 2 (0.85%) oVirt
13 2 (0.85%) QEMU
13 2 (0.85%) VMware Server
Systems Management
1 19 (8.09%) SCCM
2 18 (7.66%) Ansible
3 14 (5.96%) Terraform
4 9 (3.83%) vCenter Server
5 7 (2.98%) Puppet
6 6 (2.55%) Opscode Chef
7 5 (2.13%) Backup Exec
7 5 (2.13%) Cisco CUCM
8 4 (1.70%) Nagios
8 4 (1.70%) Packer
8 4 (1.70%) PaperCut
8 4 (1.70%) Red Hat Satellite
8 4 (1.70%) SCOM
9 3 (1.28%) WhatsUp Gold
10 2 (0.85%) FortiGate
10 2 (0.85%) Kubernetes
10 2 (0.85%) McAfee ePO
10 2 (0.85%) Microsoft Intune
10 2 (0.85%) Norton AntiVirus
10 2 (0.85%) WSUS
Vendors
1 117 (49.79%) Microsoft
2 86 (36.60%) VMware
3 60 (25.53%) Cisco
4 35 (14.89%) Citrix
5 22 (9.36%) F5
6 20 (8.51%) Veeam
7 16 (6.81%) Juniper
8 14 (5.96%) SolarWinds
8 14 (5.96%) Sophos
9 13 (5.53%) CheckPoint
10 11 (4.68%) Arista
10 11 (4.68%) HP
10 11 (4.68%) Meraki
10 11 (4.68%) Palo Alto
10 11 (4.68%) Red Hat
11 9 (3.83%) Google
12 8 (3.40%) McAfee
13 7 (2.98%) Splunk
14 6 (2.55%) NetApp
14 6 (2.55%) Veritas