Period
to 4 December 2020

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 4 December 2020 with a comparison to the same period in the previous 2 years.

Domain Name System (DNS)
Central London > City of London
6 months to
4 Dec 2020
Same period 2019 Same period 2018
Rank 128 131 128
Rank change year-on-year +3 -3 +6
Permanent jobs citing DNS 80 237 274
As % of all permanent jobs advertised in the City of London 1.94% 2.37% 2.45%
As % of the Communications & Networking category 16.13% 18.59% 18.92%
Number of salaries quoted 86 218 269
Median annual salary £77,000 £52,750 £45,000
Median salary % change year-on-year +45.97% +17.22% -14.29%
10th Percentile £41,269 £26,175 £29,200
90th Percentile £92,500 £81,625 £76,250
Central London median annual salary £72,500 £53,250 £45,000
% change year-on-year +36.15% +18.33% -5.26%

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 496 1,275 1,448
As % of all permanent IT jobs advertised in the City of London 12.00% 12.77% 12.93%
Number of salaries quoted 435 1,103 1,284
Median annual salary £70,000 £55,000 £55,000
Median salary % change year-on-year +27.27% - +3.77%
10th Percentile £41,250 £28,250 £30,150
90th Percentile £97,500 £87,500 £88,375
Central London median annual salary £67,500 £55,000 £55,000
% change year-on-year +22.73% - +4.76%

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 4 December 2020.

Salary histogram for DNS in the City of London

For the 6 months to 4 December 2020, 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 52 (65.00%) DHCP
2 49 (61.25%) Microsoft
3 41 (51.25%) Finance
4 39 (48.75%) Cisco
5 35 (43.75%) Active Directory
6 33 (41.25%) Windows
6 33 (41.25%) VMware
7 32 (40.00%) Data Centre
8 31 (38.75%) PowerShell
9 28 (35.00%) Office 365
9 28 (35.00%) Firewall
10 27 (33.75%) TCP/IP
11 24 (30.00%) WAN
11 24 (30.00%) VMware Infrastructure
12 22 (27.50%) Azure
13 21 (26.25%) Cisco IOS
14 19 (23.75%) Citrix
14 19 (23.75%) CheckPoint
14 19 (23.75%) Python
14 19 (23.75%) ITIL
14 19 (23.75%) Windows Server
15 18 (22.50%) Project Delivery
15 18 (22.50%) VPN
15 18 (22.50%) OSPF
15 18 (22.50%) BGP
15 18 (22.50%) Ansible
15 18 (22.50%) DevOps
16 17 (21.25%) NX-OS
16 17 (21.25%) Multicast
16 17 (21.25%) Infoblox

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 12 (15.00%) SharePoint
2 9 (11.25%) IIS
3 8 (10.00%) MS Exchange
4 7 (8.75%) Elasticsearch
5 3 (3.75%) Confluence
5 3 (3.75%) IBM Notes
6 2 (2.50%) Apache
7 1 (1.25%) Exchange Server 2010
7 1 (1.25%) Exchange Server 2013
7 1 (1.25%) Skype for Business
Applications
1 4 (5.00%) Microsoft Office
Business Applications
1 8 (10.00%) SAP Hybris
2 2 (2.50%) Eikon
Cloud Services
1 28 (35.00%) Office 365
2 22 (27.50%) Azure
3 15 (18.75%) AWS
4 11 (13.75%) SaaS
5 9 (11.25%) IaaS
6 8 (10.00%) Akamai
6 8 (10.00%) Azure Active Directory
6 8 (10.00%) PaaS
7 7 (8.75%) Amazon CloudWatch
8 5 (6.25%) OneDrive
9 2 (2.50%) Mimecast
10 1 (1.25%) Azure Data Factory
10 1 (1.25%) Azure Functions
10 1 (1.25%) Lucidchart
10 1 (1.25%) Serverless
Communications & Networking
1 52 (65.00%) DHCP
2 28 (35.00%) Firewall
3 27 (33.75%) TCP/IP
4 24 (30.00%) WAN
5 21 (26.25%) Cisco IOS
6 18 (22.50%) BGP
6 18 (22.50%) OSPF
6 18 (22.50%) VPN
7 17 (21.25%) Multicast
7 17 (21.25%) NX-OS
8 13 (16.25%) MPLS
9 12 (15.00%) Unified Communications
10 11 (13.75%) VLAN
11 10 (12.50%) Cisco Nexus
11 10 (12.50%) VoIP
11 10 (12.50%) Wi-Fi
12 9 (11.25%) DMVPN
12 9 (11.25%) IGMP
12 9 (11.25%) NetScaler
12 9 (11.25%) Structured Cabling
Database & Business Intelligence
1 11 (13.75%) SQL Server
2 3 (3.75%) MySQL
3 2 (2.50%) Amazon RDS
4 1 (1.25%) Azure SQL Database
4 1 (1.25%) Oracle Database
Development Applications
1 3 (3.75%) JIRA
2 2 (2.50%) Jenkins
3 1 (1.25%) Bitbucket
3 1 (1.25%) Git (software)
3 1 (1.25%) Visual Studio Team System
General
1 41 (51.25%) Finance
2 17 (21.25%) Financial Institution
3 13 (16.25%) Banking
4 5 (6.25%) Advertising
5 4 (5.00%) Law
6 2 (2.50%) French Language
6 2 (2.50%) German Language
6 2 (2.50%) Italian Language
6 2 (2.50%) Spanish Language
7 1 (1.25%) International Banking
7 1 (1.25%) Legal
7 1 (1.25%) Manufacturing
Job Titles
1 21 (26.25%) Network Engineer
2 17 (21.25%) Senior Network Engineer
3 13 (16.25%) Cisco Engineer
4 11 (13.75%) Infrastructure Engineer
5 10 (12.50%) Architect
6 9 (11.25%) Cisco Network Engineer
7 8 (10.00%) DevOps Engineer
7 8 (10.00%) Senior Cisco Engineer
7 8 (10.00%) Senior Cisco Network Engineer
8 7 (8.75%) Senior DevOps
9 6 (7.50%) Administrator
9 6 (7.50%) Citrix Engineer
10 5 (6.25%) Support Engineer
10 5 (6.25%) Windows Engineer
11 4 (5.00%) AWS DevOps
11 4 (5.00%) Azure Engineer
11 4 (5.00%) Cisco Architect
11 4 (5.00%) DevOps Architect
11 4 (5.00%) Senior Architect
11 4 (5.00%) Unified Communications Engineer
Libraries, Frameworks & Software Standards
1 9 (11.25%) 802.1X
2 8 (10.00%) Web Services
3 4 (5.00%) XMPP
4 2 (2.50%) AngularJS
4 2 (2.50%) JSON
4 2 (2.50%) LDAP
Miscellaneous
1 32 (40.00%) Data Centre
2 8 (10.00%) Cloud Native
3 7 (8.75%) FMCG
4 5 (6.25%) Video Conferencing
5 4 (5.00%) Replication
6 3 (3.75%) Analytical Skills
6 3 (3.75%) Client/Server
7 2 (2.50%) Hedge funds
7 2 (2.50%) PKI
7 2 (2.50%) Self-Motivation
7 2 (2.50%) Smartphone
7 2 (2.50%) User Experience
8 1 (1.25%) Hybrid Cloud
Operating Systems
1 33 (41.25%) Windows
2 19 (23.75%) Windows Server
3 15 (18.75%) Windows Server 2012
4 9 (11.25%) Unix
5 8 (10.00%) Linux
6 7 (8.75%) Windows Server 2008
6 7 (8.75%) Windows Server 2019
7 6 (7.50%) Windows Server 2016
8 4 (5.00%) Android
8 4 (5.00%) Debian
8 4 (5.00%) Windows 10
9 1 (1.25%) Apple iOS
9 1 (1.25%) Check Point GAiA
9 1 (1.25%) Red Hat Enterprise Linux
9 1 (1.25%) Ubuntu
9 1 (1.25%) Windows 7
9 1 (1.25%) Windows 8
Processes & Methodologies
1 19 (23.75%) ITIL
2 18 (22.50%) DevOps
2 18 (22.50%) Project Delivery
3 16 (20.00%) Infrastructure Engineering
3 16 (20.00%) Load Balancing
4 11 (13.75%) Configuration Management
4 11 (13.75%) Information Security
5 10 (12.50%) Change Control
6 9 (11.25%) Disaster Recovery
6 9 (11.25%) Identity Access Management
6 9 (11.25%) ITIL V3
7 8 (10.00%) Business Continuity
7 8 (10.00%) Internal Audit
7 8 (10.00%) Risk Management
7 8 (10.00%) Scrum
8 7 (8.75%) Business Transformation
8 7 (8.75%) High Availability
8 7 (8.75%) Kanban
8 7 (8.75%) Microservices
8 7 (8.75%) Migration
Programming Languages
1 31 (38.75%) PowerShell
2 19 (23.75%) Python
3 11 (13.75%) SQL
4 7 (8.75%) Go
4 7 (8.75%) Java
4 7 (8.75%) Ruby
5 3 (3.75%) Bash Shell
5 3 (3.75%) PHP
6 2 (2.50%) VB
7 1 (1.25%) C#
7 1 (1.25%) Shell Script
Qualifications
1 12 (15.00%) CCNP
1 12 (15.00%) Cisco Certification
2 6 (7.50%) Degree
3 3 (3.75%) CCNA
3 3 (3.75%) ITIL Foundation Certificate
4 2 (2.50%) MCSA
4 2 (2.50%) Microsoft Certification
5 1 (1.25%) CCMSE
5 1 (1.25%) CISM
5 1 (1.25%) CISSP
5 1 (1.25%) ITIL Certification
5 1 (1.25%) MCP
5 1 (1.25%) MCSE
5 1 (1.25%) VCAP
5 1 (1.25%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 2 (2.50%) ISO/IEC 27001
2 1 (1.25%) QA
System Software
1 35 (43.75%) Active Directory
2 24 (30.00%) VMware Infrastructure
3 13 (16.25%) XenDesktop
4 11 (13.75%) Docker
5 7 (8.75%) Hyper-V
5 7 (8.75%) Virtual Desktop
6 6 (7.50%) XenApp
7 5 (6.25%) VMware ESXi
8 3 (3.75%) vSphere
9 1 (1.25%) DFS Replication
Systems Management
1 18 (22.50%) Ansible
2 16 (20.00%) Puppet
3 14 (17.50%) Opscode Chef
4 9 (11.25%) Kubernetes
4 9 (11.25%) Single Sign-On
5 6 (7.50%) SCCM
6 5 (6.25%) vCenter Server
7 4 (5.00%) Cisco CUCM
7 4 (5.00%) WSUS
8 3 (3.75%) Terraform
9 2 (2.50%) Microsoft Intune
9 2 (2.50%) Packer
9 2 (2.50%) SCOM
9 2 (2.50%) SCOrch
10 1 (1.25%) AirWatch
10 1 (1.25%) DatAdvantage
10 1 (1.25%) FortiGate
10 1 (1.25%) Nessus
Vendors
1 49 (61.25%) Microsoft
2 39 (48.75%) Cisco
3 33 (41.25%) VMware
4 19 (23.75%) CheckPoint
4 19 (23.75%) Citrix
5 17 (21.25%) Infoblox
6 12 (15.00%) Palo Alto
7 10 (12.50%) F5
8 9 (11.25%) ForeScout
9 8 (10.00%) Adobe
9 8 (10.00%) hybris
9 8 (10.00%) Salesforce.com
9 8 (10.00%) SAP
10 7 (8.75%) New Relic
11 6 (7.50%) HP
11 6 (7.50%) Ivanti
12 5 (6.25%) Veeam
13 4 (5.00%) Avaya
13 4 (5.00%) NICE Systems
14 3 (3.75%) Lotus