Period
to 17 September 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 17 September 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
17 Sep 2021
Same period 2020 Same period 2019
Rank 179 127 134
Rank change year-on-year -52 +7 -11
Permanent jobs citing TCP/IP 74 76 255
As % of all permanent jobs advertised in the City of London 1.26% 1.91% 2.52%
As % of the Communications & Networking category 13.38% 13.36% 19.45%
Number of salaries quoted 69 71 235
10th Percentile £31,250 £36,250 £24,850
25th Percentile £40,000 £63,125 £30,000
Median annual salary (50th Percentile) £55,000 £75,000 £60,000
Median % change year-on-year -26.67% +25.00% +20.00%
75th Percentile £72,500 £85,000 £75,000
90th Percentile £96,000 £95,000 £87,000
Central London median annual salary £57,500 £75,000 £52,500
% change year-on-year -23.33% +42.86% +5.00%

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 553 569 1,311
As % of all permanent IT jobs advertised in the City of London 9.39% 14.29% 12.94%
Number of salaries quoted 488 503 1,168
10th Percentile £36,250 £39,000 £28,425
25th Percentile £46,250 £48,356 £39,000
Median annual salary (50th Percentile) £63,000 £67,500 £59,500
Median % change year-on-year -6.67% +13.45% +3.48%
75th Percentile £81,250 £83,750 £77,500
90th Percentile £102,500 £96,250 £91,250
Central London median annual salary £60,000 £65,000 £57,500
% change year-on-year -7.69% +13.04% +4.07%

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 17 September 2021.

Salary histogram for TCP/IP in the City of London

For the 6 months to 17 September 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 41 (55.41%) Windows
2 32 (43.24%) Microsoft
3 30 (40.54%) DNS
4 28 (37.84%) Finance
5 24 (32.43%) Cisco
6 23 (31.08%) Active Directory
7 21 (28.38%) ITIL
7 21 (28.38%) Firewall
7 21 (28.38%) Azure
8 19 (25.68%) Banking
8 19 (25.68%) WAN
9 18 (24.32%) DHCP
9 18 (24.32%) Degree
9 18 (24.32%) Microsoft 365
10 17 (22.97%) Microsoft Office
10 17 (22.97%) Social Skills
11 16 (21.62%) Cybersecurity
11 16 (21.62%) Windows 7
12 15 (20.27%) Video Conferencing
12 15 (20.27%) Linux
12 15 (20.27%) Wireless
13 14 (18.92%) Internet
13 14 (18.92%) AWS
13 14 (18.92%) Agile Software Development
14 13 (17.57%) VLAN
14 13 (17.57%) Problem-Solving
15 12 (16.22%) Computer Science Degree
15 12 (16.22%) Infrastructure Engineering
15 12 (16.22%) Windows Server
15 12 (16.22%) Windows 8

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 6 (8.11%) MS Exchange
2 4 (5.41%) Skype for Business
3 2 (2.70%) IIS
3 2 (2.70%) WebSphere
4 1 (1.35%) Exchange Server 2003
4 1 (1.35%) JBoss
Applications
1 17 (22.97%) Microsoft Office
Business Applications
1 4 (5.41%) Relativity
Cloud Services
1 21 (28.38%) Azure
2 18 (24.32%) Microsoft 365
3 14 (18.92%) AWS
4 9 (12.16%) Amazon EC2
5 8 (10.81%) Amazon ECS
5 8 (10.81%) Amazon ELB
6 7 (9.46%) Azure Active Directory
6 7 (9.46%) IaaS
6 7 (9.46%) Serverless
7 6 (8.11%) AWS CloudFormation
7 6 (8.11%) AWS Fargate
7 6 (8.11%) AWS Lambda
7 6 (8.11%) Virtual Private Cloud
8 3 (4.05%) GitHub
8 3 (4.05%) PaaS
9 2 (2.70%) Azure App Service
9 2 (2.70%) Azure Storage
9 2 (2.70%) Google Workspace
9 2 (2.70%) Mimecast
10 1 (1.35%) GCP
Communications & Networking
1 30 (40.54%) DNS
2 21 (28.38%) Firewall
3 19 (25.68%) WAN
4 18 (24.32%) DHCP
5 15 (20.27%) Wireless
6 14 (18.92%) Internet
7 13 (17.57%) VLAN
8 11 (14.86%) Cisco IOS
9 8 (10.81%) Network Security
10 6 (8.11%) HTTP
11 5 (6.76%) NetScaler
11 5 (6.76%) SMTP
11 5 (6.76%) VPN
12 4 (5.41%) BGP
12 4 (5.41%) Cisco ASA
12 4 (5.41%) Extranet
12 4 (5.41%) HTTPS
12 4 (5.41%) LAN
12 4 (5.41%) OSPF
12 4 (5.41%) Wireshark
Database & Business Intelligence
1 6 (8.11%) SQL Server
2 3 (4.05%) Amazon RDS
3 1 (1.35%) Azure SQL Database
3 1 (1.35%) KDB
3 1 (1.35%) MongoDB
3 1 (1.35%) NoSQL
3 1 (1.35%) RDBMS
3 1 (1.35%) Relational Database
Development Applications
1 6 (8.11%) Terragrunt
2 2 (2.70%) Sonatype Nexus
3 1 (1.35%) Git (software)
3 1 (1.35%) GitLab
3 1 (1.35%) Visual Studio
General
1 28 (37.84%) Finance
2 19 (25.68%) Banking
3 17 (22.97%) Social Skills
4 9 (12.16%) Analytical Skills
5 5 (6.76%) Law
5 5 (6.76%) Legal
6 4 (5.41%) Back Office
6 4 (5.41%) Military
6 4 (5.41%) Organisational Skills
7 3 (4.05%) German Language
7 3 (4.05%) Telecoms
8 1 (1.35%) International Banking
8 1 (1.35%) Investment Banking
8 1 (1.35%) Manufacturing
8 1 (1.35%) Presentation Skills
8 1 (1.35%) Retail
Job Titles
1 12 (16.22%) Desktop Support
2 11 (14.86%) Desktop Support Technician
2 11 (14.86%) Desktop Technician
2 11 (14.86%) Support Technician
3 10 (13.51%) Infrastructure Engineer
4 9 (12.16%) Support Engineer
5 8 (10.81%) Analyst
5 8 (10.81%) IT Support
5 8 (10.81%) Network Engineer
6 7 (9.46%) IT Engineer
7 6 (8.11%) DevOps Engineer
8 5 (6.76%) Support Analyst
9 4 (5.41%) 3rd Line Support
9 4 (5.41%) 3rd Line Support Analyst
9 4 (5.41%) Cisco Engineer
9 4 (5.41%) Cisco Network Engineer
9 4 (5.41%) IT Manager
9 4 (5.41%) IT Support Analyst
9 4 (5.41%) IT Support Engineer
9 4 (5.41%) Legal Analyst
Libraries, Frameworks & Software Standards
1 3 (4.05%) FIX Protocol
1 3 (4.05%) XML
2 2 (2.70%) XSLT
3 1 (1.35%) .NET
3 1 (1.35%) 802.1X
3 1 (1.35%) CSS
3 1 (1.35%) HTML
3 1 (1.35%) LDAP
3 1 (1.35%) Middleware
3 1 (1.35%) Node.js
3 1 (1.35%) OAuth
3 1 (1.35%) React
3 1 (1.35%) RESTful
3 1 (1.35%) SAML
3 1 (1.35%) Sass
3 1 (1.35%) Vue.js
3 1 (1.35%) Web Services
3 1 (1.35%) WebSphere MQ
Miscellaneous
1 15 (20.27%) Video Conferencing
2 12 (16.22%) iPad
2 12 (16.22%) iPhone
3 11 (14.86%) Blackberry
4 7 (9.46%) Data Centre
5 6 (8.11%) Legacy Code
6 5 (6.76%) User Experience
7 4 (5.41%) Cyberattack
8 3 (4.05%) Client/Server
8 3 (4.05%) DataPower
8 3 (4.05%) Derivative
8 3 (4.05%) Fixed Income
8 3 (4.05%) Mobile Computing
9 2 (2.70%) EMC VNXe
9 2 (2.70%) Enterprise Storage
9 2 (2.70%) Exotic Derivative
9 2 (2.70%) FlexPod
9 2 (2.70%) Hedge funds
9 2 (2.70%) VxBlock/Vblock
10 1 (1.35%) Cyber Defence
Operating Systems
1 41 (55.41%) Windows
2 16 (21.62%) Windows 7
3 15 (20.27%) Linux
4 12 (16.22%) Android
4 12 (16.22%) Mac OS X
4 12 (16.22%) Windows 8
4 12 (16.22%) Windows Server
5 11 (14.86%) Windows 10
6 8 (10.81%) Unix
7 5 (6.76%) Apple iOS
8 4 (5.41%) Windows Server 2012
9 2 (2.70%) CentOS
9 2 (2.70%) Red Hat Enterprise Linux
9 2 (2.70%) Windows Server 2008
9 2 (2.70%) Windows Server 2016
9 2 (2.70%) Windows Server 2019
10 1 (1.35%) Mac OS
Processes & Methodologies
1 21 (28.38%) ITIL
2 16 (21.62%) Cybersecurity
3 14 (18.92%) Agile Software Development
4 13 (17.57%) Problem-Solving
5 12 (16.22%) Asset Management
5 12 (16.22%) Infrastructure Engineering
6 10 (13.51%) Change Management
6 10 (13.51%) DevOps
7 9 (12.16%) Project Management
8 8 (10.81%) Software Engineering
9 7 (9.46%) Information Security
10 6 (8.11%) Data Pipeline
10 6 (8.11%) Migration
10 6 (8.11%) Network Load Balancing
10 6 (8.11%) Proactive Monitoring
10 6 (8.11%) Service Delivery
10 6 (8.11%) Workflow
11 5 (6.76%) API Integration
11 5 (6.76%) Computer Science
11 5 (6.76%) Root Cause Analysis
Programming Languages
1 12 (16.22%) PowerShell
2 8 (10.81%) SQL
3 7 (9.46%) Python
4 3 (4.05%) Java
5 2 (2.70%) C#
5 2 (2.70%) Haskell
5 2 (2.70%) Scala
6 1 (1.35%) C
6 1 (1.35%) C++
6 1 (1.35%) JavaScript
Qualifications
1 18 (24.32%) Degree
2 12 (16.22%) Computer Science Degree
3 10 (13.51%) Cisco Certification
4 7 (9.46%) AWS Certification
4 7 (9.46%) CCNA
5 6 (8.11%) CCNP
6 5 (6.76%) CISSP
7 4 (5.41%) DV Cleared
7 4 (5.41%) HNC
7 4 (5.41%) Security Cleared
8 3 (4.05%) GIAC
9 2 (2.70%) A+ Certification
9 2 (2.70%) CCDA
9 2 (2.70%) CCENT
9 2 (2.70%) CEH
9 2 (2.70%) CWNA
9 2 (2.70%) GPEN
9 2 (2.70%) MCSE
9 2 (2.70%) Microsoft Certification
9 2 (2.70%) Network+ Certification
Quality Assurance & Compliance
1 3 (4.05%) GDPR
1 3 (4.05%) PCI DSS
1 3 (4.05%) QA
2 1 (1.35%) ISO/IEC 27001
2 1 (1.35%) SLA
System Software
1 23 (31.08%) Active Directory
2 11 (14.86%) VMware Infrastructure
3 4 (5.41%) Forefront TMG
3 4 (5.41%) vSphere
4 3 (4.05%) VMware ESXi
5 2 (2.70%) Docker
5 2 (2.70%) Virtual Machines
6 1 (1.35%) Hyper-V
6 1 (1.35%) Virtual Desktop
6 1 (1.35%) XenApp
6 1 (1.35%) XenDesktop
Systems Management
1 9 (12.16%) Terraform
2 8 (10.81%) SCCM
3 5 (6.76%) Microsoft Intune
4 4 (5.41%) Forefront Identity Manager
4 4 (5.41%) MOM
4 4 (5.41%) SCOM
5 3 (4.05%) Puppet
6 2 (2.70%) Kubernetes
6 2 (2.70%) vCenter Server
7 1 (1.35%) Ansible
7 1 (1.35%) Graylog
7 1 (1.35%) NetBackup
7 1 (1.35%) Single Sign-On
7 1 (1.35%) Sysprep
Vendors
1 32 (43.24%) Microsoft
2 24 (32.43%) Cisco
3 12 (16.22%) Apple
4 11 (14.86%) VMware
5 9 (12.16%) Citrix
6 6 (8.11%) Meraki
7 4 (5.41%) IBM
7 4 (5.41%) iManage
7 4 (5.41%) Intapp
7 4 (5.41%) Mitel
7 4 (5.41%) Palo Alto
7 4 (5.41%) Polycom
7 4 (5.41%) SolarWinds
8 3 (4.05%) Aruba
8 3 (4.05%) Bloomberg
8 3 (4.05%) NetApp
8 3 (4.05%) Reuters
9 2 (2.70%) Dell
9 2 (2.70%) HP
9 2 (2.70%) Murex