Period
to 15 June 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 15 June 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
15 Jun 2021
Same period 2020 Same period 2019
Rank 159 107 140
Rank change year-on-year -52 +33 -20
Permanent jobs citing TCP/IP 75 169 236
As % of all permanent jobs advertised in the City of London 1.45% 2.67% 2.35%
As % of the Communications & Networking category 15.86% 20.74% 18.03%
Number of salaries quoted 71 159 217
10th Percentile £40,000 £32,400 £27,000
25th Percentile £51,250 £36,250 £32,500
Median annual salary (50th Percentile) £67,500 £65,000 £60,000
Median % change year-on-year +3.85% +8.33% +14.29%
75th Percentile £80,500 £76,500 £77,500
90th Percentile £98,750 £88,750 £95,000
Central London median annual salary £67,500 £63,750 £52,500
% change year-on-year +5.88% +21.43% -

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 473 815 1,309
As % of all permanent IT jobs advertised in the City of London 9.15% 12.86% 13.02%
Number of salaries quoted 416 725 1,187
10th Percentile £40,938 £35,500 £29,250
25th Percentile £50,000 £45,250 £41,250
Median annual salary (50th Percentile) £65,000 £60,000 £60,000
Median % change year-on-year +8.33% - +4.35%
75th Percentile £80,500 £77,500 £77,500
90th Percentile £100,000 £88,750 £95,000
Central London median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -

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 15 June 2021.

Salary histogram for TCP/IP in the City of London

For the 6 months to 15 June 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 28 (37.33%) Windows
2 27 (36.00%) Python
2 27 (36.00%) DNS
3 24 (32.00%) Linux
4 23 (30.67%) Finance
5 22 (29.33%) Active Directory
6 21 (28.00%) Microsoft
6 21 (28.00%) DHCP
7 20 (26.67%) Azure
8 18 (24.00%) PowerShell
8 18 (24.00%) Data Centre
9 17 (22.67%) Windows 10
9 17 (22.67%) DevOps
10 16 (21.33%) Microsoft 365
10 16 (21.33%) Problem-Solving
10 16 (21.33%) AWS
11 15 (20.00%) Cisco
11 15 (20.00%) VMware
11 15 (20.00%) Firewall
11 15 (20.00%) Multicast
12 14 (18.67%) Ansible
12 14 (18.67%) IaaS
12 14 (18.67%) Unix
13 13 (17.33%) Puppet
13 13 (17.33%) Banking
13 13 (17.33%) VLAN
13 13 (17.33%) Proactive Monitoring
13 13 (17.33%) Infrastructure Engineering
14 12 (16.00%) Analytical Skills
14 12 (16.00%) VMware Infrastructure

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 4 (5.33%) MS Exchange
1 4 (5.33%) Skype for Business
2 2 (2.67%) Elasticsearch
2 2 (2.67%) SharePoint
3 1 (1.33%) Exchange Server 2003
3 1 (1.33%) IIS
3 1 (1.33%) WebSphere
Applications
1 5 (6.67%) Microsoft Office
2 1 (1.33%) Microsoft Excel
Business Applications
1 2 (2.67%) Relativity
Cloud Services
1 20 (26.67%) Azure
2 16 (21.33%) AWS
2 16 (21.33%) Microsoft 365
3 14 (18.67%) IaaS
4 9 (12.00%) Azure Active Directory
5 6 (8.00%) SaaS
6 5 (6.67%) Amazon EC2
7 4 (5.33%) Amazon ECS
7 4 (5.33%) Amazon ELB
7 4 (5.33%) AWS CloudFormation
8 3 (4.00%) Serverless
9 2 (2.67%) AWS Fargate
9 2 (2.67%) AWS Lambda
9 2 (2.67%) GCP
9 2 (2.67%) Mimecast
9 2 (2.67%) Virtual Private Cloud
10 1 (1.33%) Amazon EKS
10 1 (1.33%) Google Workspace
10 1 (1.33%) OneDrive
10 1 (1.33%) Power Platform
Communications & Networking
1 27 (36.00%) DNS
2 21 (28.00%) DHCP
3 15 (20.00%) Firewall
3 15 (20.00%) Multicast
4 13 (17.33%) VLAN
5 12 (16.00%) HTTP
6 11 (14.67%) WAN
7 9 (12.00%) tcpdump
8 8 (10.67%) LAN
8 8 (10.67%) NetScaler
8 8 (10.67%) Network Security
9 7 (9.33%) BGP
9 7 (9.33%) OSPF
10 6 (8.00%) VSAN
11 5 (6.67%) HTTPS
12 4 (5.33%) Cisco ASA
12 4 (5.33%) MPLS
12 4 (5.33%) VoIP
12 4 (5.33%) VPN
12 4 (5.33%) Wireless
Database & Business Intelligence
1 3 (4.00%) Amazon RDS
1 3 (4.00%) SQL Server
2 1 (1.33%) Blockchain
2 1 (1.33%) Power BI
Development Applications
1 4 (5.33%) Sonatype Nexus
2 3 (4.00%) Git (software)
3 2 (2.67%) Terragrunt
4 1 (1.33%) Chocolatey
4 1 (1.33%) GitLab
4 1 (1.33%) Visual Studio
General
1 23 (30.67%) Finance
2 13 (17.33%) Banking
3 12 (16.00%) Analytical Skills
4 9 (12.00%) Social Skills
5 5 (6.67%) Back Office
6 4 (5.33%) Law
6 4 (5.33%) Legal
6 4 (5.33%) Military
6 4 (5.33%) Organisational Skills
6 4 (5.33%) Telecoms
7 2 (2.67%) Dutch Language
7 2 (2.67%) German Language
7 2 (2.67%) Manufacturing
Job Titles
1 11 (14.67%) DevOps Engineer
2 10 (13.33%) Infrastructure Engineer
3 8 (10.67%) Developer
4 7 (9.33%) IT Support
4 7 (9.33%) Support Engineer
4 7 (9.33%) Systems Engineer
5 6 (8.00%) Backup Engineer
5 6 (8.00%) Python Developer
5 6 (8.00%) Python Engineer
5 6 (8.00%) Senior Developer
5 6 (8.00%) Senior Python Developer
5 6 (8.00%) Storage and Backup Engineer
5 6 (8.00%) Storage Engineer
5 6 (8.00%) VMware Engineer
6 5 (6.67%) Analyst
6 5 (6.67%) IT Engineer
6 5 (6.67%) Linux DevOps Engineer
6 5 (6.67%) Linux/Unix DevOps
6 5 (6.67%) Network Engineer
6 5 (6.67%) Software Engineer
Libraries, Frameworks & Software Standards
1 5 (6.67%) Elastic Stack
2 4 (5.33%) FIX Protocol
2 4 (5.33%) Web Services
2 4 (5.33%) XML
3 2 (2.67%) 802.1X
3 2 (2.67%) JSON
3 2 (2.67%) LDAP
3 2 (2.67%) Regular Expression
3 2 (2.67%) XSLT
3 2 (2.67%) YAML
4 1 (1.33%) OAuth
4 1 (1.33%) SAML
4 1 (1.33%) Software Packaging
4 1 (1.33%) Vue.js
4 1 (1.33%) WebSphere MQ
Miscellaneous
1 18 (24.00%) Data Centre
2 6 (8.00%) Client/Server
2 6 (8.00%) EMC VNXe
2 6 (8.00%) Enterprise Storage
2 6 (8.00%) FlexPod
2 6 (8.00%) VxBlock/Vblock
3 4 (5.33%) Fixed Income
3 4 (5.33%) User Experience
3 4 (5.33%) Video Conferencing
4 3 (4.00%) Hedge funds
5 2 (2.67%) Cyber Kill Chain
5 2 (2.67%) Cyberattack
5 2 (2.67%) Derivative
5 2 (2.67%) Exotic Derivative
5 2 (2.67%) Mobile Computing
6 1 (1.33%) Cyber Defence
6 1 (1.33%) Management Information System
6 1 (1.33%) Public Cloud
6 1 (1.33%) Replication
Operating Systems
1 28 (37.33%) Windows
2 24 (32.00%) Linux
3 17 (22.67%) Windows 10
4 14 (18.67%) Unix
5 10 (13.33%) Windows 7
6 7 (9.33%) Android
6 7 (9.33%) CentOS
6 7 (9.33%) Red Hat Enterprise Linux
6 7 (9.33%) Windows Server 2012
7 6 (8.00%) Windows Server 2008
7 6 (8.00%) Windows Server 2016
8 5 (6.67%) Apple iOS
8 5 (6.67%) Windows Server
9 2 (2.67%) Mac OS X
9 2 (2.67%) Windows Server 2019
10 1 (1.33%) Mac OS
Processes & Methodologies
1 17 (22.67%) DevOps
2 16 (21.33%) Problem-Solving
3 13 (17.33%) Infrastructure Engineering
3 13 (17.33%) Proactive Monitoring
4 10 (13.33%) ITIL
5 9 (12.00%) Change Control
5 9 (12.00%) Change Management
5 9 (12.00%) Cybersecurity
5 9 (12.00%) Infrastructure Automation
5 9 (12.00%) Software Engineering
6 8 (10.67%) Computer Science
6 8 (10.67%) Configuration Management
6 8 (10.67%) High Availability
6 8 (10.67%) Machine Learning
7 6 (8.00%) Agile Software Development
7 6 (8.00%) Android Development
7 6 (8.00%) Investment Management
7 6 (8.00%) OO
7 6 (8.00%) Problem Management
7 6 (8.00%) Service Delivery
Programming Languages
1 27 (36.00%) Python
2 18 (24.00%) PowerShell
3 8 (10.67%) Java
3 8 (10.67%) SQL
4 5 (6.67%) Bash Shell
5 2 (2.67%) C
5 2 (2.67%) Haskell
5 2 (2.67%) Scala
6 1 (1.33%) PHP
6 1 (1.33%) R
6 1 (1.33%) Shell Script
Qualifications
1 10 (13.33%) Degree
2 8 (10.67%) CCNP
2 8 (10.67%) Cisco Certification
3 4 (5.33%) CISSP
3 4 (5.33%) DV Cleared
3 4 (5.33%) HNC
3 4 (5.33%) Security Cleared
4 3 (4.00%) CCIE
4 3 (4.00%) CCNA
4 3 (4.00%) ITIL Foundation Certificate
5 2 (2.67%) A+ Certification
5 2 (2.67%) AWS Certification
5 2 (2.67%) CCDA
5 2 (2.67%) CISM
5 2 (2.67%) CompTIA Security+
5 2 (2.67%) CWNA
5 2 (2.67%) Master's Degree
5 2 (2.67%) MCSE
5 2 (2.67%) Microsoft Certification
5 2 (2.67%) Network+ Certification
Quality Assurance & Compliance
1 4 (5.33%) QA
2 1 (1.33%) ISO/IEC 27001
2 1 (1.33%) SLA
System Software
1 22 (29.33%) Active Directory
2 12 (16.00%) VMware Infrastructure
3 6 (8.00%) VMware ESXi
4 5 (6.67%) Docker
4 5 (6.67%) XenDesktop
5 4 (5.33%) Forefront TMG
5 4 (5.33%) vSphere
6 1 (1.33%) Hyper-V
6 1 (1.33%) XenApp
Systems Management
1 14 (18.67%) Ansible
2 13 (17.33%) Puppet
3 10 (13.33%) SCCM
4 9 (12.00%) Opscode Chef
4 9 (12.00%) Prometheus
5 7 (9.33%) Microsoft Intune
6 6 (8.00%) Kubernetes
6 6 (8.00%) vCenter Server
7 4 (5.33%) Forefront Identity Manager
7 4 (5.33%) MOM
7 4 (5.33%) SCOM
7 4 (5.33%) Terraform
8 2 (2.67%) Single Sign-On
8 2 (2.67%) Sysprep
9 1 (1.33%) Cacti
9 1 (1.33%) Cisco CUCM
9 1 (1.33%) Docker Swarm
9 1 (1.33%) FortiGate
9 1 (1.33%) Graylog
9 1 (1.33%) ITRS Geneos
Vendors
1 21 (28.00%) Microsoft
2 15 (20.00%) Cisco
2 15 (20.00%) VMware
3 11 (14.67%) Citrix
4 8 (10.67%) Apple
5 7 (9.33%) NetApp
5 7 (9.33%) Palo Alto
6 6 (8.00%) Dell
6 6 (8.00%) EMC
6 6 (8.00%) HP
6 6 (8.00%) Isilon
7 5 (6.67%) F5
7 5 (6.67%) SolarWinds
8 3 (4.00%) Arista
8 3 (4.00%) CheckPoint
8 3 (4.00%) Fortinet
8 3 (4.00%) Ivanti
9 2 (2.67%) Mitel
9 2 (2.67%) Oracle
9 2 (2.67%) Sybase