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 23 November 2025, with comparisons to the same periods in the previous two years.

6 months to
23 Nov 2025
Same period 2024 Same period 2023
Rank 209 244 219
Rank change year-on-year +35 -25 +68
Permanent jobs citing TCP/IP 191 223 269
As % of all permanent jobs in London 1.48% 1.26% 1.43%
As % of the Communications & Networking category 12.34% 10.39% 11.27%
Number of salaries quoted 123 131 237
10th Percentile £27,750 £33,200 £32,000
25th Percentile £34,000 £40,000 £38,873
Median annual salary (50th Percentile) £50,000 £50,948 £58,000
Median % change year-on-year -1.86% -12.16% +0.87%
75th Percentile £78,750 £74,144 £76,000
90th Percentile £91,500 £90,000 £90,000
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 1,548 2,146 2,387
As % of all permanent jobs advertised in London 11.99% 12.11% 12.66%
Number of salaries quoted 883 1,224 1,950
10th Percentile £28,697 £36,250 £33,250
25th Percentile £36,750 £47,500 £45,000
Median annual salary (50th Percentile) £60,000 £65,000 £64,902
Median % change year-on-year -7.69% +0.15% +3.84%
75th Percentile £85,000 £82,500 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £53,025 £51,500
% change year-on-year -24.56% +2.96% -1.90%

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 23 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 23 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 +32 37 £57,500 +23.67% 11
South London +35 9 £46,000 -8.91% 4
East London - 8 £34,000 -
West London - 1 £32,500 - 3
North London - 1 £32,500 - 3
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 (21.47%) Microsoft Exchange
2 25 (13.09%) SharePoint
3 6 (3.14%) nginx
4 3 (1.57%) Traefik
5 2 (1.05%) Apache Airflow
5 2 (1.05%) IIS
6 1 (0.52%) Apache
6 1 (0.52%) Confluence
Applications
1 5 (2.62%) Microsoft Office
2 4 (2.09%) MS Visio
3 3 (1.57%) Microsoft Excel
4 2 (1.05%) Microsoft PowerPoint
5 1 (0.52%) Acrobat
5 1 (0.52%) Adobe Creative Suite
5 1 (0.52%) OmniGraffle
5 1 (0.52%) Photoshop
Business Applications
1 1 (0.52%) Eikon
1 1 (0.52%) Fidessa
Cloud Services
1 76 (39.79%) Azure
2 75 (39.27%) Microsoft 365
3 47 (24.61%) Entra ID
4 37 (19.37%) AWS
5 21 (10.99%) SaaS
6 11 (5.76%) Google Workspace
7 10 (5.24%) GitHub
8 8 (4.19%) Amazon ECS
8 8 (4.19%) GCP
9 7 (3.66%) Amazon EKS
9 7 (3.66%) OneDrive
10 4 (2.09%) Amazon EC2
10 4 (2.09%) Amazon ECR
10 4 (2.09%) Amazon S3
10 4 (2.09%) AWS CloudFormation
10 4 (2.09%) dbt
10 4 (2.09%) Pulumi
10 4 (2.09%) Virtual Private Cloud
11 3 (1.57%) AWS Direct Connect
11 3 (1.57%) Azure Monitor
Communications & Networking
1 93 (48.69%) DNS
2 78 (40.84%) DHCP
3 65 (34.03%) WAN
4 63 (32.98%) LAN
5 62 (32.46%) VPN
6 60 (31.41%) Firewall
7 40 (20.94%) VLAN
8 28 (14.66%) Wi-Fi
9 23 (12.04%) BGP
10 20 (10.47%) OSPF
11 17 (8.90%) Wireless
12 15 (7.85%) VoIP
13 13 (6.81%) MPLS
14 10 (5.24%) Network Security
15 9 (4.71%) Fibre Channel
15 9 (4.71%) IPsec
16 7 (3.66%) SD-WAN
17 6 (3.14%) Cisco IOS
17 6 (3.14%) EIGRP
17 6 (3.14%) IP Telephony
Database & Business Intelligence
1 8 (4.19%) Amazon RDS
2 7 (3.66%) MySQL
2 7 (3.66%) SQL Server
3 6 (3.14%) PostgreSQL
4 4 (2.09%) Elasticsearch
4 4 (2.09%) Redis
5 2 (1.05%) Data Lake
5 2 (1.05%) Metadata
5 2 (1.05%) MongoDB
6 1 (0.52%) DynamoDB
6 1 (0.52%) Oracle Exadata
6 1 (0.52%) Power BI
Development Applications
1 11 (5.76%) Git
2 10 (5.24%) JIRA
3 3 (1.57%) Jenkins
4 2 (1.05%) GitLab
4 2 (1.05%) Jaeger
4 2 (1.05%) MLflow
4 2 (1.05%) Snyk
4 2 (1.05%) Sonatype Nexus
5 1 (0.52%) Fiddler
General
1 95 (49.74%) Social Skills
2 74 (38.74%) Finance
3 39 (20.42%) Banking
4 19 (9.95%) Investment Banking
5 17 (8.90%) Legal
6 16 (8.38%) Analytical Skills
7 12 (6.28%) Inclusion and Diversity
8 11 (5.76%) Law
9 8 (4.19%) Manufacturing
10 5 (2.62%) Financial Institution
10 5 (2.62%) Telecoms
11 4 (2.09%) Back Office
11 4 (2.09%) Billing
11 4 (2.09%) Front Office
11 4 (2.09%) Marketing
11 4 (2.09%) Retail
11 4 (2.09%) Wholesale Banking
12 3 (1.57%) Aerospace
12 3 (1.57%) Pharmaceutical
12 3 (1.57%) Public Sector
Job Titles
1 35 (18.32%) Support Engineer
2 32 (16.75%) IT Support
3 26 (13.61%) IT Engineer
4 25 (13.09%) Developer
4 25 (13.09%) Linux Scripter
5 24 (12.57%) Infrastructure Engineer
6 22 (11.52%) Analyst
6 22 (11.52%) Senior
7 21 (10.99%) IT Support Engineer
8 19 (9.95%) C++ Developer
8 19 (9.95%) Investment Banking C++ Developer
8 19 (9.95%) Linux Developer
8 19 (9.95%) Low Latency C++ Developer
9 18 (9.42%) Support Analyst
10 16 (8.38%) Network Engineer
10 16 (8.38%) Windows Engineer
11 14 (7.33%) Systems Engineer
12 11 (5.76%) 2nd Line Support
12 11 (5.76%) Desktop Support
12 11 (5.76%) Lead
Libraries, Frameworks & Software Standards
1 5 (2.62%) Kafka
2 4 (2.09%) Django
2 4 (2.09%) FIX Protocol
3 3 (1.57%) .NET
3 3 (1.57%) 802.1X
3 3 (1.57%) Middleware
3 3 (1.57%) OAuth
3 3 (1.57%) RESTful
4 2 (1.05%) FastAPI
4 2 (1.05%) Keycloak
4 2 (1.05%) LDAP
4 2 (1.05%) OAuth2
4 2 (1.05%) Sass
4 2 (1.05%) WebRTC
4 2 (1.05%) ZeroMQ
5 1 (0.52%) AWS CDK
5 1 (0.52%) Elastic Stack
5 1 (0.52%) MFC
5 1 (0.52%) Microsoft Graph
5 1 (0.52%) OpenID
Miscellaneous
1 27 (14.14%) Onboarding
2 20 (10.47%) FPGA
3 15 (7.85%) iPhone
4 14 (7.33%) Enterprise Software
5 13 (6.81%) Hedge funds
5 13 (6.81%) Hybrid Cloud
6 12 (6.28%) Data Centre
7 11 (5.76%) Video Conferencing
8 10 (5.24%) iPad
9 9 (4.71%) CCTV
9 9 (4.71%) Cloud Native
10 8 (4.19%) Distributed Systems
10 8 (4.19%) Management Information System
11 6 (3.14%) Self-Motivation
12 5 (2.62%) Social Media
13 4 (2.09%) Linux Command Line
14 3 (1.57%) Mobile Banking
14 3 (1.57%) Public Cloud
14 3 (1.57%) SCADA
14 3 (1.57%) Security Posture
Operating Systems
1 96 (50.26%) Windows
2 64 (33.51%) Linux
3 47 (24.61%) Windows Server
4 24 (12.57%) Mac OS
4 24 (12.57%) Windows 10
5 18 (9.42%) Windows Server 2012
6 14 (7.33%) Unix
7 12 (6.28%) Windows Server 2016
7 12 (6.28%) Windows Server 2019
8 10 (5.24%) Android
8 10 (5.24%) Red Hat Enterprise Linux
9 8 (4.19%) Mac OS X
10 6 (3.14%) VMS
11 5 (2.62%) Windows 7
12 4 (2.09%) Apple iOS
13 3 (1.57%) CentOS
13 3 (1.57%) Ubuntu
14 2 (1.05%) OpenWrt
14 2 (1.05%) Solaris
15 1 (0.52%) Oracle Linux
Processes & Methodologies
1 40 (20.94%) Problem-Solving
2 33 (17.28%) Infrastructure Engineering
3 30 (15.71%) Agile
4 28 (14.66%) DevOps
4 28 (14.66%) Low Latency
5 26 (13.61%) Disaster Recovery
5 26 (13.61%) ITIL
6 25 (13.09%) Infrastructure as Code
7 23 (12.04%) Customer Service
7 23 (12.04%) Cybersecurity
7 23 (12.04%) Root Cause Analysis
8 21 (10.99%) Patch Management
9 19 (9.95%) Continuous Improvement
10 17 (8.90%) CI/CD
11 16 (8.38%) Migration
11 16 (8.38%) Task Automation
12 15 (7.85%) Batch Scripting
12 15 (7.85%) Collaborative Working
12 15 (7.85%) High Availability
13 14 (7.33%) Systems Engineering
Programming Languages
1 41 (21.47%) Python
2 32 (16.75%) Java
2 32 (16.75%) PowerShell
3 24 (12.57%) C++
4 23 (12.04%) C
5 11 (5.76%) Bash
6 10 (5.24%) SQL
7 6 (3.14%) Go
8 5 (2.62%) C#
9 3 (1.57%) Shell Script
10 2 (1.05%) Perl
11 1 (0.52%) Bourne shell
11 1 (0.52%) C-shell
11 1 (0.52%) TypeScript
11 1 (0.52%) VB.NET
11 1 (0.52%) VBScript
Qualifications
1 36 (18.85%) Degree
2 19 (9.95%) Cisco Certification
3 17 (8.90%) Microsoft Certification
4 13 (6.81%) Security Cleared
5 12 (6.28%) Azure Certification
5 12 (6.28%) CCNA
6 11 (5.76%) Network+ Certification
7 10 (5.24%) SC Cleared
8 9 (4.71%) CCNP
9 8 (4.19%) A+ Certification
10 7 (3.66%) MCSA
11 6 (3.14%) AWS Certification
11 6 (3.14%) Computer Science Degree
11 6 (3.14%) MCSE
12 5 (2.62%) MCP
13 3 (1.57%) DV Cleared
13 3 (1.57%) HNC
13 3 (1.57%) HND
13 3 (1.57%) JNCIP
14 2 (1.05%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 14 (7.33%) ISO/IEC 27001
2 8 (4.19%) SLA
3 7 (3.66%) Cyber Essentials
3 7 (3.66%) GDPR
4 4 (2.09%) PCI DSS
4 4 (2.09%) SOC 2
5 3 (1.57%) NIST
6 2 (1.05%) PMO
7 1 (0.52%) Cyber Essentials PLUS
7 1 (0.52%) NIST 800
System Software
1 76 (39.79%) Active Directory
2 36 (18.85%) VMware Infrastructure
3 21 (10.99%) Hyper-V
4 11 (5.76%) vSphere
5 10 (5.24%) NFS
6 7 (3.66%) Docker
7 4 (2.09%) BitLocker
8 3 (1.57%) Virtual Desktop
8 3 (1.57%) Virtual Machines
8 3 (1.57%) VMware ESXi
9 2 (1.05%) KVM
9 2 (1.05%) pfSense
10 1 (0.52%) Virtual Servers
10 1 (0.52%) VMware NSX
Systems Management
1 39 (20.42%) Microsoft Intune
2 26 (13.61%) Terraform
3 20 (10.47%) Ansible
4 16 (8.38%) Active Directory Federation Services
5 15 (7.85%) Kubernetes
6 14 (7.33%) Single Sign-On
7 10 (5.24%) SCCM
8 6 (3.14%) Autotask
9 4 (2.09%) Jamf Pro
9 4 (2.09%) Nagios
10 3 (1.57%) Grafana
10 3 (1.57%) HAProxy
10 3 (1.57%) Prometheus
11 2 (1.05%) Argo
11 2 (1.05%) AWS Copilot
11 2 (1.05%) NetBackup
11 2 (1.05%) SCOM
11 2 (1.05%) vCenter Server
11 2 (1.05%) WSUS
12 1 (0.52%) Backup Exec
Vendors
1 90 (47.12%) Microsoft
2 44 (23.04%) Cisco
3 37 (19.37%) VMware
4 17 (8.90%) Bloomberg
4 17 (8.90%) Reuters
5 15 (7.85%) Google
6 14 (7.33%) Red Hat
7 13 (6.81%) Fortinet
7 13 (6.81%) Palo Alto
8 12 (6.28%) Juniper
9 10 (5.24%) Commvault
10 9 (4.71%) Pure Storage
10 9 (4.71%) SolarWinds
11 8 (4.19%) CheckPoint
12 7 (3.66%) Apple
12 7 (3.66%) Arista
12 7 (3.66%) Citrix
13 6 (3.14%) Datto
14 5 (2.62%) Okta
15 4 (2.09%) Zscaler