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 3 December 2025, with comparisons to the same periods in the previous two years.

6 months to
3 Dec 2025
Same period 2024 Same period 2023
Rank 207 244 226
Rank change year-on-year +37 -18 +55
Permanent jobs citing TCP/IP 189 212 249
As % of all permanent jobs in London 1.43% 1.25% 1.36%
As % of the Communications & Networking category 12.31% 10.08% 10.68%
Number of salaries quoted 124 123 229
10th Percentile £27,750 £33,200 £32,400
25th Percentile £35,938 £40,000 £40,000
Median annual salary (50th Percentile) £51,250 £50,948 £60,000
Median % change year-on-year +0.59% -15.09% -
75th Percentile £78,750 £74,144 £77,500
90th Percentile £89,250 £90,000 £90,000
England median annual salary £37,500 £48,500 £45,000
% change year-on-year -22.68% +7.78% -

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 1,535 2,103 2,331
As % of all permanent jobs advertised in London 11.61% 12.37% 12.71%
Number of salaries quoted 869 1,192 1,905
10th Percentile £28,697 £36,525 £33,750
25th Percentile £36,750 £48,660 £46,250
Median annual salary (50th Percentile) £60,000 £66,375 £65,000
Median % change year-on-year -9.60% +2.12% +4.00%
75th Percentile £85,000 £83,000 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £39,900 £54,000 £51,500
% change year-on-year -26.11% +4.85% -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 3 December 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 3 December 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 +27 35 £57,500 +23.67% 8
South London +39 9 £46,000 -8.91% 8
East London - 8 £34,000 -
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 42 (22.22%) Microsoft Exchange
2 27 (14.29%) SharePoint
3 6 (3.17%) nginx
4 2 (1.06%) Apache
4 2 (1.06%) Apache Airflow
4 2 (1.06%) Confluence
4 2 (1.06%) IIS
4 2 (1.06%) Traefik
Applications
1 6 (3.17%) Microsoft Office
2 4 (2.12%) MS Visio
3 3 (1.59%) Microsoft Excel
4 2 (1.06%) Microsoft PowerPoint
5 1 (0.53%) Acrobat
5 1 (0.53%) Adobe Creative Suite
5 1 (0.53%) OmniGraffle
5 1 (0.53%) Photoshop
Business Applications
1 1 (0.53%) Eikon
1 1 (0.53%) Fidessa
Cloud Services
1 77 (40.74%) Microsoft 365
2 75 (39.68%) Azure
3 49 (25.93%) Entra ID
4 38 (20.11%) AWS
5 20 (10.58%) SaaS
6 11 (5.82%) Google Workspace
7 9 (4.76%) GCP
7 9 (4.76%) GitHub
7 9 (4.76%) OneDrive
8 8 (4.23%) Amazon ECS
9 6 (3.17%) Amazon EKS
10 5 (2.65%) Azure Monitor
10 5 (2.65%) Virtual Private Cloud
11 4 (2.12%) Amazon EC2
11 4 (2.12%) Amazon ECR
11 4 (2.12%) Amazon S3
11 4 (2.12%) AWS CloudFormation
11 4 (2.12%) AWS Direct Connect
11 4 (2.12%) dbt
11 4 (2.12%) Pulumi
Communications & Networking
1 92 (48.68%) DNS
2 77 (40.74%) DHCP
3 63 (33.33%) VPN
3 63 (33.33%) WAN
4 61 (32.28%) Firewall
5 57 (30.16%) LAN
6 38 (20.11%) VLAN
7 27 (14.29%) Wi-Fi
8 22 (11.64%) BGP
9 19 (10.05%) OSPF
9 19 (10.05%) Wireless
10 14 (7.41%) VoIP
11 13 (6.88%) MPLS
12 11 (5.82%) Network Security
13 10 (5.29%) SD-WAN
14 9 (4.76%) IPsec
15 8 (4.23%) Fibre Channel
16 5 (2.65%) Cisco IOS
16 5 (2.65%) Cisco Nexus
16 5 (2.65%) IP Telephony
Database & Business Intelligence
1 8 (4.23%) Amazon RDS
2 7 (3.70%) MySQL
2 7 (3.70%) SQL Server
3 6 (3.17%) PostgreSQL
4 4 (2.12%) Elasticsearch
4 4 (2.12%) Redis
5 2 (1.06%) Data Lake
5 2 (1.06%) Metadata
5 2 (1.06%) MongoDB
6 1 (0.53%) DynamoDB
6 1 (0.53%) Oracle Exadata
6 1 (0.53%) Power BI
Development Applications
1 11 (5.82%) JIRA
2 10 (5.29%) Git
3 3 (1.59%) Jenkins
4 2 (1.06%) GitLab
4 2 (1.06%) Jaeger
4 2 (1.06%) MLflow
4 2 (1.06%) Snyk
4 2 (1.06%) Sonatype Nexus
5 1 (0.53%) Fiddler
General
1 93 (49.21%) Social Skills
2 73 (38.62%) Finance
3 34 (17.99%) Banking
4 18 (9.52%) Investment Banking
4 18 (9.52%) Legal
5 14 (7.41%) Analytical Skills
6 11 (5.82%) Law
7 9 (4.76%) Inclusion and Diversity
8 8 (4.23%) Manufacturing
9 5 (2.65%) Financial Institution
10 4 (2.12%) Back Office
10 4 (2.12%) Billing
10 4 (2.12%) Marketing
10 4 (2.12%) Retail
10 4 (2.12%) Telecoms
10 4 (2.12%) Wholesale Banking
11 3 (1.59%) Aerospace
11 3 (1.59%) Front Office
11 3 (1.59%) Organisational Skills
11 3 (1.59%) Pharmaceutical
Job Titles
1 36 (19.05%) Support Engineer
2 31 (16.40%) IT Support
3 26 (13.76%) IT Engineer
4 25 (13.23%) Developer
5 24 (12.70%) Analyst
5 24 (12.70%) Linux Scripter
6 23 (12.17%) Senior
7 22 (11.64%) Infrastructure Engineer
8 21 (11.11%) IT Support Engineer
9 20 (10.58%) Support Analyst
10 19 (10.05%) C++ Developer
11 18 (9.52%) Investment Banking C++ Developer
11 18 (9.52%) Linux Developer
11 18 (9.52%) Low Latency C++ Developer
12 16 (8.47%) Windows Engineer
13 14 (7.41%) Systems Engineer
14 13 (6.88%) Network Engineer
15 12 (6.35%) Desktop Support
16 11 (5.82%) 2nd Line Support
17 10 (5.29%) VMware Engineer
Libraries, Frameworks & Software Standards
1 4 (2.12%) Django
1 4 (2.12%) FIX Protocol
1 4 (2.12%) Kafka
1 4 (2.12%) LDAP
2 3 (1.59%) .NET
2 3 (1.59%) OAuth
2 3 (1.59%) RESTful
3 2 (1.06%) 802.1X
3 2 (1.06%) FastAPI
3 2 (1.06%) Keycloak
3 2 (1.06%) OAuth2
3 2 (1.06%) Sass
3 2 (1.06%) WebRTC
3 2 (1.06%) ZeroMQ
4 1 (0.53%) AWS CDK
4 1 (0.53%) Elastic Stack
4 1 (0.53%) MFC
4 1 (0.53%) Microsoft Graph
4 1 (0.53%) OpenID
4 1 (0.53%) WSH
Miscellaneous
1 29 (15.34%) Onboarding
2 20 (10.58%) FPGA
3 17 (8.99%) iPhone
4 16 (8.47%) Enterprise Software
5 14 (7.41%) Video Conferencing
6 13 (6.88%) Hedge funds
6 13 (6.88%) Hybrid Cloud
7 12 (6.35%) iPad
8 11 (5.82%) Cloud Native
9 9 (4.76%) CCTV
9 9 (4.76%) Data Centre
10 8 (4.23%) Distributed Systems
10 8 (4.23%) Management Information System
10 8 (4.23%) Self-Motivation
11 5 (2.65%) Mobile App
11 5 (2.65%) Social Media
12 4 (2.12%) Cyber Threat
12 4 (2.12%) Linux Command Line
12 4 (2.12%) Security Posture
13 3 (1.59%) Algorithms
Operating Systems
1 96 (50.79%) Windows
2 63 (33.33%) Linux
3 49 (25.93%) Windows Server
4 26 (13.76%) Windows 10
5 24 (12.70%) Mac OS
6 17 (8.99%) Windows Server 2012
7 14 (7.41%) Unix
8 11 (5.82%) Windows Server 2016
8 11 (5.82%) Windows Server 2019
9 10 (5.29%) Android
9 10 (5.29%) Red Hat Enterprise Linux
10 8 (4.23%) Mac OS X
11 6 (3.17%) Apple iOS
11 6 (3.17%) VMS
12 5 (2.65%) Windows 7
13 4 (2.12%) CentOS
14 3 (1.59%) Ubuntu
15 2 (1.06%) OpenWrt
15 2 (1.06%) Oracle Linux
15 2 (1.06%) Solaris
Processes & Methodologies
1 38 (20.11%) Problem-Solving
2 30 (15.87%) Infrastructure Engineering
3 27 (14.29%) Agile
3 27 (14.29%) Disaster Recovery
3 27 (14.29%) ITIL
4 26 (13.76%) DevOps
4 26 (13.76%) Low Latency
4 26 (13.76%) Root Cause Analysis
5 25 (13.23%) Customer Service
5 25 (13.23%) Cybersecurity
5 25 (13.23%) Infrastructure as Code
6 21 (11.11%) Patch Management
7 18 (9.52%) Continuous Improvement
8 16 (8.47%) CI/CD
8 16 (8.47%) Incident Response
8 16 (8.47%) Task Automation
9 15 (7.94%) Computer Science
10 14 (7.41%) High Availability
10 14 (7.41%) Migration
10 14 (7.41%) Systems Engineering
Programming Languages
1 42 (22.22%) Python
2 33 (17.46%) PowerShell
3 31 (16.40%) Java
4 24 (12.70%) C++
5 22 (11.64%) C
6 10 (5.29%) Bash
6 10 (5.29%) SQL
7 5 (2.65%) C#
7 5 (2.65%) Go
8 3 (1.59%) Perl
8 3 (1.59%) Shell Script
9 1 (0.53%) Bourne shell
9 1 (0.53%) C-shell
9 1 (0.53%) TypeScript
9 1 (0.53%) VB.NET
9 1 (0.53%) VBScript
Qualifications
1 40 (21.16%) Degree
2 17 (8.99%) Cisco Certification
3 16 (8.47%) Microsoft Certification
4 13 (6.88%) Azure Certification
4 13 (6.88%) Security Cleared
5 10 (5.29%) SC Cleared
6 9 (4.76%) CCNA
6 9 (4.76%) CCNP
6 9 (4.76%) Network+ Certification
7 8 (4.23%) A+ Certification
8 7 (3.70%) AWS Certification
8 7 (3.70%) MCSA
9 6 (3.17%) Computer Science Degree
9 6 (3.17%) MCSE
10 5 (2.65%) MCP
11 4 (2.12%) GIAC
11 4 (2.12%) SANS
12 3 (1.59%) DV Cleared
12 3 (1.59%) HNC
12 3 (1.59%) JNCIP
Quality Assurance & Compliance
1 17 (8.99%) ISO/IEC 27001
2 10 (5.29%) GDPR
3 8 (4.23%) SLA
4 7 (3.70%) Cyber Essentials
5 5 (2.65%) SOC 2
6 4 (2.12%) PCI DSS
7 3 (1.59%) NIST
8 2 (1.06%) PMO
9 1 (0.53%) Cyber Essentials PLUS
9 1 (0.53%) NIST 800
System Software
1 75 (39.68%) Active Directory
2 37 (19.58%) VMware Infrastructure
3 21 (11.11%) Hyper-V
4 10 (5.29%) vSphere
5 9 (4.76%) NFS
6 7 (3.70%) Docker
7 5 (2.65%) Virtual Machines
8 4 (2.12%) BitLocker
9 3 (1.59%) Virtual Desktop
9 3 (1.59%) VMware ESXi
10 2 (1.06%) KVM
10 2 (1.06%) pfSense
11 1 (0.53%) Virtual Servers
11 1 (0.53%) VMware NSX
Systems Management
1 39 (20.63%) Microsoft Intune
2 25 (13.23%) Terraform
3 19 (10.05%) Ansible
4 16 (8.47%) Active Directory Federation Services
5 14 (7.41%) Single Sign-On
6 13 (6.88%) Kubernetes
7 8 (4.23%) SCCM
8 6 (3.17%) Autotask
9 4 (2.12%) Jamf Pro
9 4 (2.12%) Nagios
10 3 (1.59%) Grafana
10 3 (1.59%) Prometheus
11 2 (1.06%) Argo
11 2 (1.06%) AWS Copilot
11 2 (1.06%) Computer Incident Response Team
11 2 (1.06%) HAProxy
11 2 (1.06%) Red Hat Satellite
11 2 (1.06%) Red Hat Spacewalk
11 2 (1.06%) vCenter Server
12 1 (0.53%) Puppet
Vendors
1 91 (48.15%) Microsoft
2 41 (21.69%) Cisco
3 38 (20.11%) VMware
4 17 (8.99%) Bloomberg
4 17 (8.99%) Reuters
5 15 (7.94%) Google
5 15 (7.94%) Red Hat
6 13 (6.88%) Fortinet
6 13 (6.88%) Palo Alto
7 11 (5.82%) Juniper
8 9 (4.76%) Commvault
9 8 (4.23%) CheckPoint
9 8 (4.23%) Citrix
9 8 (4.23%) Pure Storage
10 7 (3.70%) Apple
10 7 (3.70%) Arista
10 7 (3.70%) SolarWinds
11 6 (3.17%) Datto
12 5 (2.65%) Okta
12 5 (2.65%) Zscaler