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

6 months to
5 Dec 2025
Same period 2024 Same period 2023
Rank 209 246 224
Rank change year-on-year +37 -22 +45
Permanent jobs citing TCP/IP 185 216 253
As % of all permanent jobs in London 1.40% 1.26% 1.39%
As % of the Communications & Networking category 12.04% 10.16% 10.87%
Number of salaries quoted 120 127 232
10th Percentile £27,750 £33,200 £32,500
25th Percentile £36,250 £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 £76,563
90th Percentile £90,500 £90,000 £90,000
England median annual salary £37,500 £50,000 £45,000
% change year-on-year -25.00% +11.11% -

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 1,536 2,125 2,327
As % of all permanent jobs advertised in London 11.60% 12.43% 12.74%
Number of salaries quoted 873 1,204 1,899
10th Percentile £28,697 £36,825 £33,750
25th Percentile £36,750 £48,750 £46,250
Median annual salary (50th Percentile) £60,000 £66,500 £65,000
Median % change year-on-year -9.77% +2.31% +4.00%
75th Percentile £85,000 £83,750 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £54,000 £51,500
% change year-on-year -25.93% +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 5 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 5 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 +23 34 £57,500 +22.34% 8
South London +37 9 £46,000 -8.91% 7
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 (22.16%) Microsoft Exchange
2 26 (14.05%) SharePoint
3 5 (2.70%) nginx
4 2 (1.08%) Apache
4 2 (1.08%) Apache Airflow
4 2 (1.08%) Confluence
4 2 (1.08%) IIS
5 1 (0.54%) Traefik
Applications
1 7 (3.78%) Microsoft Office
2 3 (1.62%) MS Visio
3 2 (1.08%) Microsoft Excel
3 2 (1.08%) Microsoft PowerPoint
4 1 (0.54%) Acrobat
4 1 (0.54%) Adobe Creative Suite
4 1 (0.54%) OmniGraffle
4 1 (0.54%) Photoshop
Business Applications
1 1 (0.54%) Eikon
1 1 (0.54%) Fidessa
Cloud Services
1 76 (41.08%) Microsoft 365
2 72 (38.92%) Azure
3 49 (26.49%) Entra ID
4 35 (18.92%) AWS
5 20 (10.81%) SaaS
6 12 (6.49%) Google Workspace
7 9 (4.86%) GCP
7 9 (4.86%) GitHub
7 9 (4.86%) OneDrive
8 8 (4.32%) Amazon ECS
9 5 (2.70%) Amazon EKS
9 5 (2.70%) Azure Monitor
9 5 (2.70%) Virtual Private Cloud
10 4 (2.16%) Amazon EC2
10 4 (2.16%) Amazon ECR
10 4 (2.16%) Amazon S3
10 4 (2.16%) AWS CloudFormation
10 4 (2.16%) AWS Direct Connect
10 4 (2.16%) dbt
10 4 (2.16%) Pulumi
Communications & Networking
1 89 (48.11%) DNS
2 75 (40.54%) DHCP
3 61 (32.97%) VPN
4 60 (32.43%) WAN
5 59 (31.89%) Firewall
6 54 (29.19%) LAN
7 37 (20.00%) VLAN
8 28 (15.14%) Wi-Fi
9 21 (11.35%) BGP
10 18 (9.73%) OSPF
10 18 (9.73%) Wireless
11 15 (8.11%) VoIP
12 11 (5.95%) MPLS
13 9 (4.86%) Network Security
13 9 (4.86%) SD-WAN
14 8 (4.32%) Fibre Channel
14 8 (4.32%) IPsec
15 5 (2.70%) Cisco IOS
15 5 (2.70%) Cisco Nexus
15 5 (2.70%) IP Telephony
Database & Business Intelligence
1 8 (4.32%) Amazon RDS
2 7 (3.78%) MySQL
2 7 (3.78%) SQL Server
3 6 (3.24%) PostgreSQL
4 4 (2.16%) Elasticsearch
4 4 (2.16%) Redis
5 2 (1.08%) Data Lake
5 2 (1.08%) Metadata
5 2 (1.08%) MongoDB
6 1 (0.54%) DynamoDB
6 1 (0.54%) Oracle Exadata
6 1 (0.54%) Power BI
Development Applications
1 11 (5.95%) JIRA
2 10 (5.41%) Git
3 3 (1.62%) Jenkins
4 2 (1.08%) GitLab
4 2 (1.08%) Jaeger
4 2 (1.08%) MLflow
4 2 (1.08%) Snyk
4 2 (1.08%) Sonatype Nexus
5 1 (0.54%) Fiddler
General
1 92 (49.73%) Social Skills
2 72 (38.92%) Finance
3 33 (17.84%) Banking
4 19 (10.27%) Investment Banking
5 18 (9.73%) Legal
6 13 (7.03%) Analytical Skills
7 10 (5.41%) Law
8 8 (4.32%) Inclusion and Diversity
8 8 (4.32%) Manufacturing
9 5 (2.70%) Financial Institution
10 4 (2.16%) Back Office
10 4 (2.16%) Billing
10 4 (2.16%) Marketing
10 4 (2.16%) Retail
10 4 (2.16%) Telecoms
10 4 (2.16%) Wholesale Banking
11 3 (1.62%) Aerospace
11 3 (1.62%) Front Office
11 3 (1.62%) Organisational Skills
11 3 (1.62%) Pharmaceutical
Job Titles
1 37 (20.00%) Support Engineer
2 31 (16.76%) IT Support
3 27 (14.59%) IT Engineer
4 26 (14.05%) Developer
5 25 (13.51%) Linux Scripter
6 23 (12.43%) Analyst
7 22 (11.89%) IT Support Engineer
7 22 (11.89%) Senior
8 21 (11.35%) Infrastructure Engineer
9 20 (10.81%) C++ Developer
9 20 (10.81%) Support Analyst
10 19 (10.27%) Investment Banking C++ Developer
10 19 (10.27%) Linux Developer
10 19 (10.27%) Low Latency C++ Developer
11 16 (8.65%) Windows Engineer
12 14 (7.57%) Systems Engineer
13 12 (6.49%) 2nd Line Support
13 12 (6.49%) Desktop Support
13 12 (6.49%) Network Engineer
14 10 (5.41%) Windows Systems Engineer
Libraries, Frameworks & Software Standards
1 4 (2.16%) Django
1 4 (2.16%) FIX Protocol
1 4 (2.16%) LDAP
2 3 (1.62%) .NET
2 3 (1.62%) Kafka
2 3 (1.62%) OAuth
2 3 (1.62%) RESTful
3 2 (1.08%) FastAPI
3 2 (1.08%) Keycloak
3 2 (1.08%) OAuth2
3 2 (1.08%) Sass
3 2 (1.08%) WebRTC
3 2 (1.08%) ZeroMQ
4 1 (0.54%) 802.1X
4 1 (0.54%) AWS CDK
4 1 (0.54%) Elastic Stack
4 1 (0.54%) MFC
4 1 (0.54%) Microsoft Graph
4 1 (0.54%) OpenID
4 1 (0.54%) WSH
Miscellaneous
1 29 (15.68%) Onboarding
2 21 (11.35%) FPGA
3 17 (9.19%) iPhone
4 16 (8.65%) Enterprise Software
5 14 (7.57%) Video Conferencing
6 13 (7.03%) Hedge funds
7 12 (6.49%) Hybrid Cloud
7 12 (6.49%) iPad
8 10 (5.41%) Cloud Native
9 9 (4.86%) CCTV
10 8 (4.32%) Data Centre
10 8 (4.32%) Distributed Systems
10 8 (4.32%) Management Information System
10 8 (4.32%) Self-Motivation
11 5 (2.70%) Mobile App
11 5 (2.70%) Social Media
12 4 (2.16%) Cyber Threat
12 4 (2.16%) Linux Command Line
12 4 (2.16%) Security Posture
13 3 (1.62%) Algorithms
Operating Systems
1 94 (50.81%) Windows
2 64 (34.59%) Linux
3 49 (26.49%) Windows Server
4 27 (14.59%) Windows 10
5 25 (13.51%) Mac OS
6 17 (9.19%) Windows Server 2012
7 14 (7.57%) Unix
8 11 (5.95%) Windows Server 2016
8 11 (5.95%) Windows Server 2019
9 10 (5.41%) Android
9 10 (5.41%) Red Hat Enterprise Linux
10 8 (4.32%) Mac OS X
11 6 (3.24%) Apple iOS
11 6 (3.24%) VMS
12 5 (2.70%) Windows 7
13 4 (2.16%) CentOS
14 3 (1.62%) Ubuntu
15 2 (1.08%) OpenWrt
15 2 (1.08%) Oracle Linux
15 2 (1.08%) Solaris
Processes & Methodologies
1 38 (20.54%) Problem-Solving
2 29 (15.68%) Infrastructure Engineering
3 28 (15.14%) Agile
4 27 (14.59%) Low Latency
5 25 (13.51%) Customer Service
5 25 (13.51%) DevOps
5 25 (13.51%) Disaster Recovery
5 25 (13.51%) ITIL
5 25 (13.51%) Root Cause Analysis
6 24 (12.97%) Cybersecurity
6 24 (12.97%) Infrastructure as Code
7 19 (10.27%) Patch Management
8 18 (9.73%) Continuous Improvement
9 16 (8.65%) CI/CD
9 16 (8.65%) Incident Response
9 16 (8.65%) Task Automation
10 15 (8.11%) Computer Science
11 14 (7.57%) High Availability
11 14 (7.57%) Systems Engineering
12 13 (7.03%) Collaborative Working
Programming Languages
1 41 (22.16%) Python
2 32 (17.30%) PowerShell
3 31 (16.76%) Java
4 25 (13.51%) C++
5 23 (12.43%) C
6 10 (5.41%) SQL
7 9 (4.86%) Bash
8 5 (2.70%) C#
9 4 (2.16%) Go
10 3 (1.62%) Perl
10 3 (1.62%) Shell Script
11 1 (0.54%) Bourne shell
11 1 (0.54%) C-shell
11 1 (0.54%) TypeScript
11 1 (0.54%) VB.NET
11 1 (0.54%) VBScript
Qualifications
1 40 (21.62%) Degree
2 17 (9.19%) Cisco Certification
3 15 (8.11%) Microsoft Certification
4 13 (7.03%) Security Cleared
5 12 (6.49%) Azure Certification
6 10 (5.41%) SC Cleared
7 9 (4.86%) CCNA
7 9 (4.86%) CCNP
7 9 (4.86%) Network+ Certification
8 8 (4.32%) A+ Certification
9 7 (3.78%) AWS Certification
9 7 (3.78%) MCSA
10 6 (3.24%) Computer Science Degree
11 5 (2.70%) MCP
11 5 (2.70%) MCSE
12 4 (2.16%) GIAC
12 4 (2.16%) SANS
13 3 (1.62%) DV Cleared
13 3 (1.62%) HNC
13 3 (1.62%) JNCIP
Quality Assurance & Compliance
1 16 (8.65%) ISO/IEC 27001
2 10 (5.41%) GDPR
3 7 (3.78%) Cyber Essentials
3 7 (3.78%) SLA
4 5 (2.70%) SOC 2
5 4 (2.16%) PCI DSS
6 3 (1.62%) NIST
7 2 (1.08%) PMO
8 1 (0.54%) Cyber Essentials PLUS
8 1 (0.54%) NIST 800
System Software
1 74 (40.00%) Active Directory
2 36 (19.46%) VMware Infrastructure
3 20 (10.81%) Hyper-V
4 10 (5.41%) vSphere
5 9 (4.86%) NFS
6 7 (3.78%) Docker
7 5 (2.70%) Virtual Machines
8 4 (2.16%) BitLocker
9 3 (1.62%) VMware ESXi
10 2 (1.08%) KVM
10 2 (1.08%) pfSense
10 2 (1.08%) Virtual Desktop
11 1 (0.54%) Virtual Servers
11 1 (0.54%) VMware NSX
Systems Management
1 36 (19.46%) Microsoft Intune
2 24 (12.97%) Terraform
3 19 (10.27%) Ansible
4 17 (9.19%) Active Directory Federation Services
5 14 (7.57%) Single Sign-On
6 12 (6.49%) Kubernetes
7 6 (3.24%) Autotask
7 6 (3.24%) SCCM
8 4 (2.16%) Jamf Pro
8 4 (2.16%) Nagios
9 3 (1.62%) Grafana
9 3 (1.62%) Prometheus
10 2 (1.08%) Argo
10 2 (1.08%) AWS Copilot
10 2 (1.08%) Computer Incident Response Team
10 2 (1.08%) Red Hat Satellite
10 2 (1.08%) Red Hat Spacewalk
10 2 (1.08%) vCenter Server
11 1 (0.54%) Puppet
11 1 (0.54%) ZABBIX
Vendors
1 90 (48.65%) Microsoft
2 39 (21.08%) Cisco
3 37 (20.00%) VMware
4 17 (9.19%) Bloomberg
4 17 (9.19%) Reuters
5 16 (8.65%) Google
6 15 (8.11%) Red Hat
7 13 (7.03%) Fortinet
8 12 (6.49%) Palo Alto
9 11 (5.95%) Juniper
10 9 (4.86%) Commvault
11 8 (4.32%) CheckPoint
11 8 (4.32%) Citrix
11 8 (4.32%) Pure Storage
12 7 (3.78%) Apple
12 7 (3.78%) Arista
13 6 (3.24%) Datto
14 5 (2.70%) Okta
14 5 (2.70%) Symantec
14 5 (2.70%) Zscaler