Period
to 11 April 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for TCP/IP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TCP/IP over the 6 months to 11 April 2021 with a comparison to the same period in the previous 2 years.

Transmission Control Protocol/Internet Protocol (TCP/IP)
Central London > City of London
6 months to
11 Apr 2021
Same period 2020 Same period 2019
Rank 139 113 117
Rank change year-on-year -26 +4 +11
Permanent jobs citing TCP/IP 89 225 264
As % of all permanent jobs advertised in the City of London 1.84% 2.66% 2.57%
As % of the Communications & Networking category 21.19% 20.97% 20.02%
Number of salaries quoted 84 214 233
10th Percentile £43,250 £31,250 £30,000
25th Percentile £51,250 £36,250 £37,500
Median annual salary (50th Percentile) £68,750 £57,500 £55,000
Median % change year-on-year +19.57% +4.55% +4.76%
75th Percentile £80,500 £75,000 £77,500
90th Percentile £93,500 £87,500 £95,000
Central London median annual salary £70,000 £57,500 £51,500
% change year-on-year +21.74% +11.65% +3.00%

TCP/IP 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 420 1,073 1,319
As % of all permanent IT jobs advertised in the City of London 8.68% 12.67% 12.82%
Number of salaries quoted 370 959 1,198
10th Percentile £41,250 £32,400 £30,000
25th Percentile £48,563 £41,500 £42,500
Median annual salary (50th Percentile) £63,368 £57,500 £60,000
Median % change year-on-year +10.20% -4.17% +9.09%
75th Percentile £80,500 £75,000 £77,500
90th Percentile £96,250 £88,750 £92,500
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

TCP/IP
Job Vacancy Trend in the City of London

Job postings citing TCP/IP as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for TCP/IP in the City of London

TCP/IP
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing TCP/IP in the City of London.

Salary trend for TCP/IP in the City of London

TCP/IP
Salary Histogram in the City of London

Salary distribution for jobs citing TCP/IP in the City of London over the 6 months to 11 April 2021.

Salary histogram for TCP/IP in the City of London

For the 6 months to 11 April 2021, IT jobs citing TCP/IP 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 TCP/IP.

1 34 (38.20%) Finance
2 33 (37.08%) Python
3 32 (35.96%) DNS
3 32 (35.96%) Data Centre
4 27 (30.34%) Windows
4 27 (30.34%) VMware
4 27 (30.34%) PowerShell
5 25 (28.09%) Banking
5 25 (28.09%) Cisco
6 22 (24.72%) Linux
6 22 (24.72%) DHCP
7 21 (23.60%) Azure
7 21 (23.60%) AWS
7 21 (23.60%) Multicast
8 20 (22.47%) Ansible
9 19 (21.35%) Microsoft 365
10 18 (20.22%) DevOps
10 18 (20.22%) Active Directory
11 17 (19.10%) Android
11 17 (19.10%) VMware Infrastructure
11 17 (19.10%) Change Control
11 17 (19.10%) Windows 10
11 17 (19.10%) Proactive Monitoring
12 16 (17.98%) Microsoft
12 16 (17.98%) Apple
13 15 (16.85%) Citrix
13 15 (16.85%) WAN
13 15 (16.85%) Unix
13 15 (16.85%) Firewall
13 15 (16.85%) Problem-Solving

TCP/IP
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 5 (5.62%) SharePoint
2 3 (3.37%) Confluence
2 3 (3.37%) MS Exchange
3 2 (2.25%) Elasticsearch
4 1 (1.12%) Exchange Server 2003
4 1 (1.12%) IIS
4 1 (1.12%) WebSphere
Applications
1 5 (5.62%) Microsoft Office
2 1 (1.12%) Microsoft Excel
Business Applications
1 3 (3.37%) Eikon
2 1 (1.12%) Relativity
Cloud Services
1 21 (23.60%) AWS
1 21 (23.60%) Azure
2 19 (21.35%) Microsoft 365
3 14 (15.73%) IaaS
3 14 (15.73%) SaaS
4 9 (10.11%) Azure Active Directory
5 5 (5.62%) Mimecast
6 4 (4.49%) AWS CloudFormation
7 3 (3.37%) GCP
8 2 (2.25%) Amazon EC2
8 2 (2.25%) Amazon EKS
8 2 (2.25%) Cloud Computing
9 1 (1.12%) Amazon ECS
9 1 (1.12%) Amazon ELB
9 1 (1.12%) Google Workspace
9 1 (1.12%) OneDrive
9 1 (1.12%) PaaS
9 1 (1.12%) Power Platform
9 1 (1.12%) Serverless
Communications & Networking
1 32 (35.96%) DNS
2 22 (24.72%) DHCP
3 21 (23.60%) Multicast
4 15 (16.85%) Firewall
4 15 (16.85%) WAN
5 14 (15.73%) HTTP
6 12 (13.48%) BGP
7 11 (12.36%) OSPF
7 11 (12.36%) tcpdump
7 11 (12.36%) VoIP
8 10 (11.24%) LAN
8 10 (11.24%) NetScaler
9 9 (10.11%) DMZ
9 9 (10.11%) Network Security
9 9 (10.11%) VLAN
9 9 (10.11%) VPN
9 9 (10.11%) VSAN
10 8 (8.99%) Cisco ASA
10 8 (8.99%) Wireless
11 7 (7.87%) MPLS
Database & Business Intelligence
1 3 (3.37%) SQL Server
2 2 (2.25%) Amazon RDS
2 2 (2.25%) MySQL
3 1 (1.12%) Blockchain
3 1 (1.12%) Power BI
Development Applications
1 4 (4.49%) Git (software)
1 4 (4.49%) Sonatype Nexus
2 3 (3.37%) JIRA
3 1 (1.12%) Chocolatey
3 1 (1.12%) GitLab
3 1 (1.12%) Visual Studio
General
1 34 (38.20%) Finance
2 25 (28.09%) Banking
3 4 (4.49%) Law
3 4 (4.49%) Telecoms
4 3 (3.37%) Legal
5 2 (2.25%) Dutch Language
5 2 (2.25%) German Language
6 1 (1.12%) Back Office
6 1 (1.12%) Manufacturing
Job Titles
1 13 (14.61%) Developer
2 11 (12.36%) DevOps Engineer
2 11 (12.36%) Python Developer
2 11 (12.36%) Senior Developer
2 11 (12.36%) Senior Python Developer
3 10 (11.24%) Systems Engineer
4 9 (10.11%) Backup Engineer
4 9 (10.11%) Storage and Backup Engineer
4 9 (10.11%) Storage Engineer
4 9 (10.11%) VMware Engineer
5 8 (8.99%) Citrix Engineer
6 7 (7.87%) Linux/Unix DevOps
6 7 (7.87%) Network Engineer
6 7 (7.87%) Support Engineer
7 6 (6.74%) Python Engineer
8 5 (5.62%) AWS DevOps
8 5 (5.62%) IT Manager
8 5 (5.62%) Linux DevOps Engineer
8 5 (5.62%) Senior Network Engineer
8 5 (5.62%) Software Engineer
Libraries, Frameworks & Software Standards
1 6 (6.74%) FIX Protocol
1 6 (6.74%) Web Services
2 5 (5.62%) Elastic Stack
3 4 (4.49%) XML
4 3 (3.37%) XMPP
5 2 (2.25%) 802.1X
5 2 (2.25%) AngularJS
5 2 (2.25%) JSON
5 2 (2.25%) LDAP
5 2 (2.25%) Regular Expression
5 2 (2.25%) XSLT
5 2 (2.25%) YAML
6 1 (1.12%) OAuth
6 1 (1.12%) SAML
6 1 (1.12%) Software Packaging
6 1 (1.12%) Vue.js
6 1 (1.12%) WebSphere MQ
Miscellaneous
1 32 (35.96%) Data Centre
2 9 (10.11%) Client/Server
2 9 (10.11%) EMC VNXe
2 9 (10.11%) Enterprise Storage
2 9 (10.11%) FlexPod
2 9 (10.11%) VxBlock/Vblock
3 8 (8.99%) Analytical Skills
4 7 (7.87%) Video Conferencing
5 4 (4.49%) Hedge funds
6 3 (3.37%) Fixed Income
6 3 (3.37%) User Experience
7 2 (2.25%) Derivative
7 2 (2.25%) Exotic Derivative
7 2 (2.25%) Mobile Computing
7 2 (2.25%) Smartphone
8 1 (1.12%) Cyber Defence
8 1 (1.12%) Cyberattack
8 1 (1.12%) Management Information System
8 1 (1.12%) Public Cloud
8 1 (1.12%) Replication
Operating Systems
1 27 (30.34%) Windows
2 22 (24.72%) Linux
3 17 (19.10%) Android
3 17 (19.10%) Windows 10
4 15 (16.85%) Unix
5 13 (14.61%) Windows 7
5 13 (14.61%) Windows Server 2012
6 10 (11.24%) Windows Server 2008
6 10 (11.24%) Windows Server 2016
7 7 (7.87%) Red Hat Enterprise Linux
8 6 (6.74%) CentOS
8 6 (6.74%) Windows Server
9 4 (4.49%) Apple iOS
10 1 (1.12%) Check Point GAiA
10 1 (1.12%) Mac OS
10 1 (1.12%) Mac OS X
10 1 (1.12%) Windows 8
10 1 (1.12%) Windows Server 2019
Processes & Methodologies
1 18 (20.22%) DevOps
2 17 (19.10%) Change Control
2 17 (19.10%) Proactive Monitoring
3 15 (16.85%) Problem-Solving
4 12 (13.48%) Machine Learning
5 11 (12.36%) Android Development
5 11 (12.36%) API Design
5 11 (12.36%) Concurrent Programming
5 11 (12.36%) Configuration Management
5 11 (12.36%) Infrastructure Automation
5 11 (12.36%) Mobile Development
5 11 (12.36%) OO
5 11 (12.36%) Performance Optimisation
6 9 (10.11%) Load Balancing
7 8 (8.99%) High Availability
7 8 (8.99%) Performance Tuning
8 7 (7.87%) Infrastructure Engineering
8 7 (7.87%) ITIL
8 7 (7.87%) Migration
8 7 (7.87%) Systems Engineering
Programming Languages
1 33 (37.08%) Python
2 27 (30.34%) PowerShell
3 13 (14.61%) Java
4 9 (10.11%) Bash Shell
5 5 (5.62%) PHP
5 5 (5.62%) SQL
6 3 (3.37%) R
7 2 (2.25%) Haskell
7 2 (2.25%) Scala
7 2 (2.25%) Shell Script
8 1 (1.12%) C
Qualifications
1 10 (11.24%) Cisco Certification
2 9 (10.11%) CCNP
3 8 (8.99%) CCIE
4 6 (6.74%) Degree
5 3 (3.37%) CISSP
6 2 (2.25%) CISM
6 2 (2.25%) ITIL Foundation Certificate
7 1 (1.12%) CCNA
7 1 (1.12%) CCSA
7 1 (1.12%) CCSE
7 1 (1.12%) CCVP
7 1 (1.12%) MCP
7 1 (1.12%) MOS
Quality Assurance & Compliance
1 3 (3.37%) ISO/IEC 27001
1 3 (3.37%) QA
2 1 (1.12%) SLA
System Software
1 18 (20.22%) Active Directory
2 17 (19.10%) VMware Infrastructure
3 12 (13.48%) XenDesktop
4 10 (11.24%) VMware ESXi
5 7 (7.87%) Docker
6 2 (2.25%) VMware NSX
6 2 (2.25%) vSphere
7 1 (1.12%) Hyper-V
7 1 (1.12%) XenApp
Systems Management
1 20 (22.47%) Ansible
2 14 (15.73%) Puppet
3 11 (12.36%) Opscode Chef
3 11 (12.36%) Prometheus
3 11 (12.36%) vCenter Server
4 7 (7.87%) Kubernetes
5 6 (6.74%) Cisco CUCM
5 6 (6.74%) Terraform
6 5 (5.62%) Microsoft Intune
6 5 (5.62%) SCCM
7 3 (3.37%) Cisco Prime
7 3 (3.37%) ITRS Geneos
8 2 (2.25%) Docker Swarm
8 2 (2.25%) Packer
9 1 (1.12%) Cacti
9 1 (1.12%) FortiGate
9 1 (1.12%) Graylog
9 1 (1.12%) Nagios
9 1 (1.12%) NetBackup
9 1 (1.12%) Single Sign-On
Vendors
1 27 (30.34%) VMware
2 25 (28.09%) Cisco
3 16 (17.98%) Apple
3 16 (17.98%) Microsoft
4 15 (16.85%) Citrix
5 10 (11.24%) NetApp
5 10 (11.24%) Palo Alto
6 9 (10.11%) Dell
6 9 (10.11%) EMC
6 9 (10.11%) HP
6 9 (10.11%) Isilon
7 8 (8.99%) Ivanti
8 7 (7.87%) F5
8 7 (7.87%) SolarWinds
9 4 (4.49%) Bloomberg
9 4 (4.49%) CheckPoint
9 4 (4.49%) Polycom
9 4 (4.49%) Reuters
10 3 (3.37%) Avaya
10 3 (3.37%) Radianz