TCP/IP Job Trends in London

Transmission Control Protocol/Internet Protocol (TCP/IP)
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring TCP/IP skills. It covers permanent job vacancies from the 6 months leading up to 28 November 2025, with comparisons to the same periods in the previous two years.

6 months to
28 Nov 2025
Same period 2024 Same period 2023
Rank 204 242 229
Rank change year-on-year +38 -13 +49
Permanent jobs citing TCP/IP 195 218 258
As % of all permanent jobs in London 1.49% 1.24% 1.39%
As % of the Communications & Networking category 12.59% 10.21% 10.95%
Number of salaries quoted 125 127 230
10th Percentile £27,750 £33,200 £32,000
25th Percentile £35,000 £40,000 £39,250
Median annual salary (50th Percentile) £52,500 £50,948 £60,000
Median % change year-on-year +3.05% -15.09% +4.35%
75th Percentile £78,750 £74,144 £77,188
90th Percentile £91,500 £90,000 £92,750
England median annual salary £37,500 £47,500 £45,000
% change year-on-year -21.05% +5.56% -

All Communications and Computer Networking Skills
London

TCP/IP falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in London.

Permanent vacancies with a requirement for communications or computer networking skills 1,549 2,135 2,357
As % of all permanent jobs advertised in London 11.80% 12.16% 12.71%
Number of salaries quoted 876 1,209 1,930
10th Percentile £28,697 £36,450 £33,500
25th Percentile £36,750 £47,500 £45,531
Median annual salary (50th Percentile) £60,000 £65,000 £65,000
Median % change year-on-year -7.69% - +4.00%
75th Percentile £85,000 £82,500 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £53,500 £51,934
% change year-on-year -25.23% +3.01% -1.08%

TCP/IP
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings citing TCP/IP relative to all permanent IT jobs advertised in London.

TCP/IP job vacancy trend in London

TCP/IP
Salary Trend in London

Salary distribution trend for jobs in London citing TCP/IP.

Salary distribution trend for jobs in London citing TCP/IP

TCP/IP
Salary Histogram in London

Salary distribution for jobs citing TCP/IP in London over the 6 months to 28 November 2025.

Salary histogram for TCP/IP in London

TCP/IP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TCP/IP within the London region over the 6 months to 28 November 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London +23 38 £57,500 +23.67% 11
South London +38 9 £46,000 -8.91% 6
East London - 8 £34,000 - 2
West London - 1 £32,500 - 1
North London - 1 £32,500 - 2
TCP/IP
England

TCP/IP
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 41 (21.03%) Microsoft Exchange
2 26 (13.33%) SharePoint
3 7 (3.59%) nginx
4 3 (1.54%) Traefik
5 2 (1.03%) Apache
5 2 (1.03%) Apache Airflow
5 2 (1.03%) Confluence
5 2 (1.03%) IIS
Applications
1 6 (3.08%) Microsoft Office
2 4 (2.05%) MS Visio
3 3 (1.54%) Microsoft Excel
4 2 (1.03%) Microsoft PowerPoint
5 1 (0.51%) Acrobat
5 1 (0.51%) Adobe Creative Suite
5 1 (0.51%) OmniGraffle
5 1 (0.51%) Photoshop
Business Applications
1 1 (0.51%) Eikon
1 1 (0.51%) Fidessa
Cloud Services
1 76 (38.97%) Microsoft 365
2 75 (38.46%) Azure
3 48 (24.62%) Entra ID
4 39 (20.00%) AWS
5 21 (10.77%) SaaS
6 11 (5.64%) Google Workspace
7 9 (4.62%) GCP
7 9 (4.62%) GitHub
8 8 (4.10%) Amazon ECS
8 8 (4.10%) OneDrive
9 7 (3.59%) Amazon EKS
10 5 (2.56%) Virtual Private Cloud
11 4 (2.05%) Amazon EC2
11 4 (2.05%) Amazon ECR
11 4 (2.05%) Amazon S3
11 4 (2.05%) AWS CloudFormation
11 4 (2.05%) AWS Direct Connect
11 4 (2.05%) Azure Monitor
11 4 (2.05%) dbt
11 4 (2.05%) Pulumi
Communications & Networking
1 94 (48.21%) DNS
2 79 (40.51%) DHCP
3 65 (33.33%) VPN
4 64 (32.82%) WAN
5 62 (31.79%) Firewall
6 59 (30.26%) LAN
7 39 (20.00%) VLAN
8 28 (14.36%) Wi-Fi
9 23 (11.79%) BGP
10 20 (10.26%) OSPF
11 18 (9.23%) Wireless
12 15 (7.69%) VoIP
13 13 (6.67%) MPLS
13 13 (6.67%) Network Security
14 9 (4.62%) IPsec
14 9 (4.62%) SD-WAN
15 8 (4.10%) Fibre Channel
16 6 (3.08%) Cisco IOS
16 6 (3.08%) IP Telephony
17 5 (2.56%) EIGRP
Database & Business Intelligence
1 8 (4.10%) Amazon RDS
2 7 (3.59%) MySQL
2 7 (3.59%) SQL Server
3 6 (3.08%) PostgreSQL
4 4 (2.05%) Elasticsearch
4 4 (2.05%) Redis
5 2 (1.03%) Data Lake
5 2 (1.03%) Metadata
5 2 (1.03%) MongoDB
6 1 (0.51%) DynamoDB
6 1 (0.51%) Oracle Exadata
6 1 (0.51%) Power BI
Development Applications
1 11 (5.64%) Git
1 11 (5.64%) JIRA
2 3 (1.54%) Jenkins
3 2 (1.03%) GitLab
3 2 (1.03%) Jaeger
3 2 (1.03%) MLflow
3 2 (1.03%) Snyk
3 2 (1.03%) Sonatype Nexus
4 1 (0.51%) Fiddler
General
1 97 (49.74%) Social Skills
2 76 (38.97%) Finance
3 38 (19.49%) Banking
4 19 (9.74%) Investment Banking
5 18 (9.23%) Analytical Skills
5 18 (9.23%) Legal
6 13 (6.67%) Law
7 11 (5.64%) Inclusion and Diversity
8 8 (4.10%) Manufacturing
9 5 (2.56%) Financial Institution
9 5 (2.56%) Telecoms
10 4 (2.05%) Back Office
10 4 (2.05%) Billing
10 4 (2.05%) Front Office
10 4 (2.05%) Marketing
10 4 (2.05%) Retail
10 4 (2.05%) Wholesale Banking
11 3 (1.54%) Aerospace
11 3 (1.54%) Organisational Skills
11 3 (1.54%) Pharmaceutical
Job Titles
1 36 (18.46%) Support Engineer
2 31 (15.90%) IT Support
3 26 (13.33%) IT Engineer
4 25 (12.82%) Developer
4 25 (12.82%) Linux Scripter
5 24 (12.31%) Analyst
5 24 (12.31%) Senior
6 22 (11.28%) Infrastructure Engineer
7 21 (10.77%) IT Support Engineer
8 19 (9.74%) C++ Developer
8 19 (9.74%) Investment Banking C++ Developer
8 19 (9.74%) Linux Developer
8 19 (9.74%) Low Latency C++ Developer
8 19 (9.74%) Support Analyst
9 16 (8.21%) Windows Engineer
10 15 (7.69%) Network Engineer
11 14 (7.18%) Systems Engineer
12 12 (6.15%) Desktop Support
13 11 (5.64%) 2nd Line Support
13 11 (5.64%) Lead
Libraries, Frameworks & Software Standards
1 5 (2.56%) Kafka
2 4 (2.05%) Django
2 4 (2.05%) FIX Protocol
2 4 (2.05%) LDAP
3 3 (1.54%) .NET
3 3 (1.54%) OAuth
3 3 (1.54%) RESTful
4 2 (1.03%) 802.1X
4 2 (1.03%) FastAPI
4 2 (1.03%) Keycloak
4 2 (1.03%) Middleware
4 2 (1.03%) OAuth2
4 2 (1.03%) Sass
4 2 (1.03%) WebRTC
4 2 (1.03%) ZeroMQ
5 1 (0.51%) AWS CDK
5 1 (0.51%) MFC
5 1 (0.51%) Microsoft Graph
5 1 (0.51%) SAML
5 1 (0.51%) WSH
Miscellaneous
1 28 (14.36%) Onboarding
2 21 (10.77%) FPGA
3 16 (8.21%) iPhone
4 15 (7.69%) Enterprise Software
5 13 (6.67%) Hedge funds
5 13 (6.67%) Hybrid Cloud
5 13 (6.67%) Video Conferencing
6 12 (6.15%) Cloud Native
7 11 (5.64%) iPad
8 10 (5.13%) Data Centre
9 9 (4.62%) CCTV
10 8 (4.10%) Distributed Systems
10 8 (4.10%) Management Information System
10 8 (4.10%) Self-Motivation
11 5 (2.56%) Social Media
12 4 (2.05%) Cyber Threat
12 4 (2.05%) Linux Command Line
12 4 (2.05%) Mobile App
12 4 (2.05%) Security Posture
13 3 (1.54%) Mobile Banking
Operating Systems
1 97 (49.74%) Windows
2 65 (33.33%) Linux
3 49 (25.13%) Windows Server
4 25 (12.82%) Windows 10
5 24 (12.31%) Mac OS
6 17 (8.72%) Windows Server 2012
7 15 (7.69%) Unix
8 11 (5.64%) Windows Server 2016
8 11 (5.64%) Windows Server 2019
9 10 (5.13%) Android
9 10 (5.13%) Red Hat Enterprise Linux
10 8 (4.10%) Mac OS X
11 6 (3.08%) VMS
12 5 (2.56%) Apple iOS
12 5 (2.56%) Windows 7
13 4 (2.05%) CentOS
14 3 (1.54%) Ubuntu
15 2 (1.03%) OpenWrt
15 2 (1.03%) Oracle Linux
15 2 (1.03%) Solaris
Processes & Methodologies
1 43 (22.05%) Problem-Solving
2 31 (15.90%) Infrastructure Engineering
3 30 (15.38%) Agile
4 28 (14.36%) DevOps
4 28 (14.36%) Low Latency
5 27 (13.85%) ITIL
6 26 (13.33%) Disaster Recovery
6 26 (13.33%) Infrastructure as Code
6 26 (13.33%) Root Cause Analysis
7 25 (12.82%) Customer Service
7 25 (12.82%) Cybersecurity
8 21 (10.77%) Patch Management
9 19 (9.74%) Continuous Improvement
10 17 (8.72%) CI/CD
10 17 (8.72%) Incident Response
11 16 (8.21%) Task Automation
12 15 (7.69%) Collaborative Working
12 15 (7.69%) High Availability
12 15 (7.69%) Migration
13 14 (7.18%) Computer Science
Programming Languages
1 44 (22.56%) Python
2 33 (16.92%) Java
2 33 (16.92%) PowerShell
3 24 (12.31%) C++
4 23 (11.79%) C
5 11 (5.64%) Bash
6 10 (5.13%) SQL
7 6 (3.08%) Go
8 5 (2.56%) C#
9 3 (1.54%) Perl
9 3 (1.54%) Shell Script
10 1 (0.51%) Bourne shell
10 1 (0.51%) C-shell
10 1 (0.51%) TypeScript
10 1 (0.51%) VB.NET
10 1 (0.51%) VBScript
Qualifications
1 41 (21.03%) Degree
2 20 (10.26%) Cisco Certification
3 17 (8.72%) Microsoft Certification
4 14 (7.18%) Azure Certification
5 13 (6.67%) Security Cleared
6 12 (6.15%) CCNA
7 11 (5.64%) Network+ Certification
8 10 (5.13%) CCNP
8 10 (5.13%) SC Cleared
9 8 (4.10%) A+ Certification
10 7 (3.59%) AWS Certification
10 7 (3.59%) MCSA
11 6 (3.08%) Computer Science Degree
11 6 (3.08%) MCSE
12 5 (2.56%) MCP
13 4 (2.05%) GIAC
13 4 (2.05%) SANS
14 3 (1.54%) HNC
14 3 (1.54%) HND
14 3 (1.54%) JNCIP
Quality Assurance & Compliance
1 17 (8.72%) ISO/IEC 27001
2 10 (5.13%) GDPR
3 8 (4.10%) SLA
4 7 (3.59%) Cyber Essentials
5 5 (2.56%) SOC 2
6 4 (2.05%) PCI DSS
7 3 (1.54%) NIST
8 2 (1.03%) PMO
9 1 (0.51%) Cyber Essentials PLUS
9 1 (0.51%) NIST 800
System Software
1 75 (38.46%) Active Directory
2 36 (18.46%) VMware Infrastructure
3 20 (10.26%) Hyper-V
4 10 (5.13%) vSphere
5 9 (4.62%) NFS
6 7 (3.59%) Docker
7 4 (2.05%) BitLocker
7 4 (2.05%) Virtual Machines
8 3 (1.54%) Virtual Desktop
8 3 (1.54%) VMware ESXi
9 2 (1.03%) KVM
9 2 (1.03%) pfSense
10 1 (0.51%) Virtual Servers
10 1 (0.51%) VMware NSX
Systems Management
1 38 (19.49%) Microsoft Intune
2 26 (13.33%) Terraform
3 20 (10.26%) Ansible
4 16 (8.21%) Active Directory Federation Services
5 14 (7.18%) Kubernetes
5 14 (7.18%) Single Sign-On
6 8 (4.10%) SCCM
7 6 (3.08%) Autotask
8 4 (2.05%) Jamf Pro
8 4 (2.05%) Nagios
9 3 (1.54%) Grafana
9 3 (1.54%) HAProxy
9 3 (1.54%) Prometheus
10 2 (1.03%) Argo
10 2 (1.03%) AWS Copilot
10 2 (1.03%) Computer Incident Response Team
10 2 (1.03%) Red Hat Satellite
10 2 (1.03%) Red Hat Spacewalk
10 2 (1.03%) vCenter Server
11 1 (0.51%) Puppet
Vendors
1 92 (47.18%) Microsoft
2 43 (22.05%) Cisco
3 37 (18.97%) VMware
4 17 (8.72%) Bloomberg
4 17 (8.72%) Reuters
5 15 (7.69%) Google
5 15 (7.69%) Red Hat
6 13 (6.67%) Fortinet
6 13 (6.67%) Palo Alto
7 12 (6.15%) Juniper
8 9 (4.62%) Commvault
9 8 (4.10%) CheckPoint
9 8 (4.10%) Citrix
9 8 (4.10%) Pure Storage
10 7 (3.59%) Apple
10 7 (3.59%) Arista
10 7 (3.59%) SolarWinds
11 6 (3.08%) Datto
12 5 (2.56%) Okta
12 5 (2.56%) Zscaler