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

6 months to
2 Nov 2025
Same period 2024 Same period 2023
Rank 201 255 215
Rank change year-on-year +54 -40 +85
Permanent jobs citing TCP/IP 188 218 295
As % of all permanent jobs in London 1.56% 1.26% 1.50%
As % of the Communications & Networking category 14.77% 10.64% 11.97%
Number of salaries quoted 120 134 259
10th Percentile £27,750 £33,200 £32,400
25th Percentile £32,750 £40,000 £40,000
Median annual salary (50th Percentile) £55,000 £53,000 £60,000
Median % change year-on-year +3.77% -11.67% +7.14%
75th Percentile £78,750 £74,786 £76,125
90th Percentile £87,500 £90,000 £95,000
England median annual salary £37,500 £47,500 £47,250
% change year-on-year -21.05% +0.53% +5.00%

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 1,273 2,049 2,464
As % of all permanent jobs advertised in London 10.54% 11.81% 12.55%
Number of salaries quoted 861 1,176 2,029
10th Percentile £29,250 £36,375 £33,000
25th Percentile £36,750 £47,500 £43,000
Median annual salary (50th Percentile) £60,000 £65,000 £65,000
Median % change year-on-year -7.69% - +4.00%
75th Percentile £82,500 £82,500 £83,750
90th Percentile £105,000 £100,000 £100,000
England median annual salary £40,000 £53,500 £52,400
% change year-on-year -25.23% +2.10% -0.19%

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 2 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 2 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 +28 33 £57,500 +27.78% 35
South London +38 10 £46,000 -8.91% 9
East London - 8 £34,000 - 5
West London - 2 £31,750 - 29
North London +1 1 £32,500 -13.33% 8
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 (21.81%) Microsoft Exchange
2 22 (11.70%) SharePoint
3 6 (3.19%) nginx
4 4 (2.13%) Traefik
5 2 (1.06%) Apache Airflow
5 2 (1.06%) IIS
6 1 (0.53%) Confluence
Applications
1 6 (3.19%) Microsoft Office
2 4 (2.13%) Microsoft Excel
2 4 (2.13%) MS Visio
3 2 (1.06%) Microsoft PowerPoint
4 1 (0.53%) Acrobat
4 1 (0.53%) Adobe Creative Suite
4 1 (0.53%) OmniGraffle
4 1 (0.53%) Photoshop
Business Applications
1 1 (0.53%) Eikon
1 1 (0.53%) Fidessa
Cloud Services
1 76 (40.43%) Azure
2 71 (37.77%) Microsoft 365
3 42 (22.34%) Entra ID
4 38 (20.21%) AWS
5 19 (10.11%) SaaS
6 12 (6.38%) GitHub
7 8 (4.26%) GCP
8 7 (3.72%) Amazon ECS
8 7 (3.72%) Amazon EKS
8 7 (3.72%) Google Workspace
9 6 (3.19%) OneDrive
10 5 (2.66%) Akamai
11 4 (2.13%) Amazon ECR
11 4 (2.13%) AWS CloudFormation
11 4 (2.13%) Cloudflare
11 4 (2.13%) dbt
11 4 (2.13%) Pulumi
12 3 (1.60%) Microsoft Purview
12 3 (1.60%) Mimecast
12 3 (1.60%) Virtual Private Cloud
Communications & Networking
1 87 (46.28%) DNS
2 71 (37.77%) DHCP
3 69 (36.70%) LAN
3 69 (36.70%) WAN
4 57 (30.32%) VPN
5 56 (29.79%) Firewall
6 34 (18.09%) VLAN
7 24 (12.77%) BGP
8 22 (11.70%) Wi-Fi
9 21 (11.17%) OSPF
10 13 (6.91%) MPLS
10 13 (6.91%) VoIP
10 13 (6.91%) Wireless
11 11 (5.85%) Fibre Channel
11 11 (5.85%) Network Security
12 7 (3.72%) Cisco IOS
12 7 (3.72%) IPsec
13 6 (3.19%) EIGRP
13 6 (3.19%) IP Telephony
13 6 (3.19%) Reverse Proxy
Database & Business Intelligence
1 7 (3.72%) Amazon RDS
1 7 (3.72%) MySQL
1 7 (3.72%) SQL Server
2 6 (3.19%) PostgreSQL
3 4 (2.13%) Elasticsearch
3 4 (2.13%) Redis
4 2 (1.06%) Data Lake
4 2 (1.06%) Metadata
4 2 (1.06%) MongoDB
5 1 (0.53%) DynamoDB
5 1 (0.53%) Oracle Exadata
Development Applications
1 16 (8.51%) Git
2 9 (4.79%) JIRA
3 3 (1.60%) 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 89 (47.34%) Social Skills
2 77 (40.96%) Finance
3 45 (23.94%) Banking
4 19 (10.11%) Investment Banking
5 18 (9.57%) Analytical Skills
5 18 (9.57%) Legal
6 13 (6.91%) Inclusion and Diversity
7 12 (6.38%) Law
8 7 (3.72%) Manufacturing
8 7 (3.72%) Telecoms
9 4 (2.13%) Billing
9 4 (2.13%) Financial Institution
9 4 (2.13%) Front Office
9 4 (2.13%) Wholesale Banking
10 3 (1.60%) Aerospace
10 3 (1.60%) Back Office
10 3 (1.60%) Marketing
10 3 (1.60%) Pharmaceutical
10 3 (1.60%) Retail
11 2 (1.06%) Military
Job Titles
1 31 (16.49%) IT Support
2 27 (14.36%) Infrastructure Engineer
2 27 (14.36%) Support Engineer
3 25 (13.30%) Linux Scripter
4 23 (12.23%) Developer
4 23 (12.23%) IT Engineer
5 21 (11.17%) Senior
6 20 (10.64%) Analyst
7 19 (10.11%) C++ Developer
7 19 (10.11%) Investment Banking C++ Developer
7 19 (10.11%) Linux Developer
7 19 (10.11%) Low Latency C++ Developer
8 18 (9.57%) IT Support Engineer
8 18 (9.57%) Windows Engineer
9 16 (8.51%) Network Engineer
9 16 (8.51%) Support Analyst
10 14 (7.45%) Lead
10 14 (7.45%) Systems Engineer
11 11 (5.85%) DevOps Engineer
12 10 (5.32%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 6 (3.19%) Kafka
2 4 (2.13%) Django
3 3 (1.60%) .NET
3 3 (1.60%) 802.1X
3 3 (1.60%) FIX Protocol
3 3 (1.60%) Middleware
3 3 (1.60%) OAuth
4 2 (1.06%) FastAPI
4 2 (1.06%) Keycloak
4 2 (1.06%) OAuth2
4 2 (1.06%) RESTful
4 2 (1.06%) WebRTC
5 1 (0.53%) AWS CDK
5 1 (0.53%) Microsoft Graph
5 1 (0.53%) OpenID
5 1 (0.53%) Sass
5 1 (0.53%) WebSockets
5 1 (0.53%) YAML
5 1 (0.53%) YANG
5 1 (0.53%) ZeroMQ
Miscellaneous
1 21 (11.17%) Onboarding
2 19 (10.11%) FPGA
3 15 (7.98%) Data Centre
3 15 (7.98%) Hedge funds
4 13 (6.91%) Enterprise Software
5 12 (6.38%) Hybrid Cloud
6 11 (5.85%) iPhone
7 9 (4.79%) CCTV
7 9 (4.79%) Cloud Native
8 8 (4.26%) Management Information System
8 8 (4.26%) Video Conferencing
9 7 (3.72%) iPad
10 6 (3.19%) Distributed Systems
11 5 (2.66%) Social Media
12 4 (2.13%) Mobile Banking
12 4 (2.13%) Public Cloud
12 4 (2.13%) Self-Motivation
13 3 (1.60%) Linux Command Line
13 3 (1.60%) SCADA
13 3 (1.60%) Security Posture
Operating Systems
1 95 (50.53%) Windows
2 61 (32.45%) Linux
3 47 (25.00%) Windows Server
4 20 (10.64%) Windows Server 2012
5 19 (10.11%) Windows 10
6 18 (9.57%) Mac OS
7 13 (6.91%) Unix
7 13 (6.91%) Windows Server 2016
7 13 (6.91%) Windows Server 2019
8 12 (6.38%) Red Hat Enterprise Linux
9 9 (4.79%) Android
10 7 (3.72%) Mac OS X
11 6 (3.19%) VMS
12 5 (2.66%) Windows 7
13 2 (1.06%) Solaris
13 2 (1.06%) Ubuntu
13 2 (1.06%) Windows Server 2008
14 1 (0.53%) Apple iOS
14 1 (0.53%) CentOS
14 1 (0.53%) OpenWrt
Processes & Methodologies
1 36 (19.15%) Infrastructure Engineering
1 36 (19.15%) Problem-Solving
2 34 (18.09%) DevOps
3 30 (15.96%) Agile
4 28 (14.89%) Low Latency
5 25 (13.30%) Disaster Recovery
6 24 (12.77%) Cybersecurity
6 24 (12.77%) Infrastructure as Code
6 24 (12.77%) ITIL
6 24 (12.77%) Patch Management
7 22 (11.70%) Root Cause Analysis
8 18 (9.57%) CI/CD
8 18 (9.57%) Collaborative Working
9 17 (9.04%) Batch Scripting
9 17 (9.04%) High Availability
10 16 (8.51%) Continuous Improvement
10 16 (8.51%) Customer Service
10 16 (8.51%) Migration
10 16 (8.51%) Task Automation
11 15 (7.98%) Systems Engineering
Programming Languages
1 39 (20.74%) Python
2 32 (17.02%) PowerShell
3 30 (15.96%) Java
4 22 (11.70%) C++
5 21 (11.17%) C
6 10 (5.32%) Bash
7 8 (4.26%) SQL
8 6 (3.19%) Go
9 4 (2.13%) C#
10 2 (1.06%) Shell Script
11 1 (0.53%) Bourne shell
11 1 (0.53%) C-shell
11 1 (0.53%) Perl
11 1 (0.53%) TypeScript
11 1 (0.53%) VB.NET
11 1 (0.53%) VBScript
Qualifications
1 34 (18.09%) Degree
2 21 (11.17%) Cisco Certification
3 18 (9.57%) Microsoft Certification
4 14 (7.45%) Azure Certification
5 13 (6.91%) CCNA
6 12 (6.38%) Security Cleared
7 10 (5.32%) CCNP
7 10 (5.32%) SC Cleared
8 9 (4.79%) Network+ Certification
9 7 (3.72%) A+ Certification
9 7 (3.72%) MCSA
10 6 (3.19%) AWS Certification
10 6 (3.19%) MCSE
11 5 (2.66%) MCP
12 4 (2.13%) Computer Science Degree
12 4 (2.13%) ITIL Foundation Certificate
13 3 (1.60%) CCIE
13 3 (1.60%) HNC
13 3 (1.60%) HND
13 3 (1.60%) JNCIP
Quality Assurance & Compliance
1 13 (6.91%) ISO/IEC 27001
2 9 (4.79%) SLA
3 7 (3.72%) Cyber Essentials
3 7 (3.72%) GDPR
4 3 (1.60%) NIST
4 3 (1.60%) PCI DSS
5 2 (1.06%) PMO
5 2 (1.06%) SOC 2
6 1 (0.53%) Cyber Essentials PLUS
6 1 (0.53%) NIST 800
System Software
1 74 (39.36%) Active Directory
2 39 (20.74%) VMware Infrastructure
3 21 (11.17%) Hyper-V
4 13 (6.91%) vSphere
5 12 (6.38%) NFS
6 8 (4.26%) Docker
7 5 (2.66%) Virtual Desktop
8 4 (2.13%) BitLocker
8 4 (2.13%) VMware ESXi
9 2 (1.06%) pfSense
9 2 (1.06%) VMware NSX
10 1 (0.53%) KVM
10 1 (0.53%) Virtual Machines
10 1 (0.53%) Virtual Servers
Systems Management
1 39 (20.74%) Microsoft Intune
2 27 (14.36%) Terraform
3 23 (12.23%) Ansible
4 19 (10.11%) Kubernetes
5 16 (8.51%) Active Directory Federation Services
6 15 (7.98%) Single Sign-On
7 13 (6.91%) SCCM
8 6 (3.19%) Autotask
9 5 (2.66%) Nagios
10 4 (2.13%) HAProxy
10 4 (2.13%) WSUS
11 3 (1.60%) Grafana
11 3 (1.60%) Jamf Pro
11 3 (1.60%) NetBackup
11 3 (1.60%) Prometheus
11 3 (1.60%) SCOM
12 2 (1.06%) Argo
12 2 (1.06%) AWS Copilot
12 2 (1.06%) vCenter Server
13 1 (0.53%) Functional Safety
Vendors
1 87 (46.28%) Microsoft
2 48 (25.53%) Cisco
3 40 (21.28%) VMware
4 19 (10.11%) Bloomberg
5 18 (9.57%) Reuters
6 15 (7.98%) Red Hat
7 12 (6.38%) Commvault
7 12 (6.38%) Fortinet
7 12 (6.38%) Palo Alto
8 11 (5.85%) Google
8 11 (5.85%) Pure Storage
8 11 (5.85%) SolarWinds
9 10 (5.32%) Juniper
10 8 (4.26%) CheckPoint
10 8 (4.26%) Citrix
11 6 (3.19%) Apple
11 6 (3.19%) Datto
12 5 (2.66%) Arista
12 5 (2.66%) F5
12 5 (2.66%) Okta