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 vacancies from the 6 months leading up to 19 September 2025, with comparisons to the same periods in the previous two years.

6 months to
19 Sep 2025
Same period 2024 Same period 2023
Rank 220 256 223
Rank change year-on-year +36 -33 +126
Permanent jobs citing TCP/IP 175 219 323
As % of all permanent jobs advertised in London 1.46% 1.14% 1.46%
As % of the Communications & Networking category 14.07% 8.14% 11.94%
Number of salaries quoted 120 146 279
10th Percentile £31,500 £33,200 £32,400
25th Percentile £39,375 £40,000 £40,000
Median annual salary (50th Percentile) £57,500 £54,699 £58,000
Median % change year-on-year +5.12% -5.69% +5.45%
75th Percentile £78,750 £75,000 £76,250
90th Percentile £85,250 £90,000 £100,500
England median annual salary £37,500 £42,500 £46,500
% change year-on-year -11.76% -8.60% +3.33%

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 1,244 2,690 2,706
As % of all permanent jobs advertised in London 10.41% 13.95% 12.26%
Number of salaries quoted 857 1,269 2,229
10th Percentile £31,250 £35,000 £32,500
25th Percentile £41,250 £45,000 £42,000
Median annual salary (50th Percentile) £60,000 £65,000 £62,500
Median % change year-on-year -7.69% +4.00% -
75th Percentile £82,500 £81,250 £83,750
90th Percentile £100,000 £96,050 £100,000
England median annual salary £41,355 £50,000 £52,000
% change year-on-year -17.29% -3.85% -0.95%

TCP/IP
Job Vacancy Trend in London

Job postings citing TCP/IP as a proportion of all IT jobs advertised in London.

Job vacancy trend for TCP/IP 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 19 September 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 19 September 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 +19 31 £77,500 +84.52% 4
South London +22 10 £46,000 +41.54% 5
East London - 8 £34,000 -
West London +46 3 £32,500 -7.14% 3
North London -5 1 £32,500 -13.33% 2
TCP/IP
England

TCP/IP
Co-occurring Skills and Capabilities in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 39 (22.29%) Microsoft Exchange
2 25 (14.29%) SharePoint
3 6 (3.43%) nginx
4 4 (2.29%) Traefik
5 2 (1.14%) Apache Airflow
6 1 (0.57%) Confluence
6 1 (0.57%) IIS
Applications
1 7 (4.00%) Microsoft Office
2 3 (1.71%) Microsoft Excel
3 2 (1.14%) MS Visio
4 1 (0.57%) Microsoft PowerPoint
4 1 (0.57%) OmniGraffle
Business Applications
1 2 (1.14%) Fidessa
2 1 (0.57%) Eikon
Cloud Services
1 76 (43.43%) Azure
2 66 (37.71%) Microsoft 365
3 44 (25.14%) AWS
4 36 (20.57%) Entra ID
5 16 (9.14%) SaaS
6 12 (6.86%) GitHub
7 10 (5.71%) OneDrive
8 7 (4.00%) GCP
9 6 (3.43%) Microsoft Purview
9 6 (3.43%) Nutanix
10 5 (2.86%) Akamai
10 5 (2.86%) Amazon EKS
11 4 (2.29%) Cloud Computing
11 4 (2.29%) Cloudflare
11 4 (2.29%) IaaS
11 4 (2.29%) PaaS
12 2 (1.14%) Dagster
13 1 (0.57%) Amazon ECS
13 1 (0.57%) Azure API Management
13 1 (0.57%) GitHub Actions
Communications & Networking
1 84 (48.00%) DNS
2 80 (45.71%) LAN
2 80 (45.71%) WAN
3 65 (37.14%) DHCP
4 53 (30.29%) VPN
5 46 (26.29%) Firewall
6 23 (13.14%) BGP
7 21 (12.00%) VLAN
8 18 (10.29%) OSPF
9 13 (7.43%) Network Security
10 11 (6.29%) Fibre Channel
11 8 (4.57%) MPLS
11 8 (4.57%) VoIP
11 8 (4.57%) Wi-Fi
12 6 (3.43%) IP Telephony
12 6 (3.43%) Reverse Proxy
13 5 (2.86%) HTTP
13 5 (2.86%) IPsec
13 5 (2.86%) SD-WAN
13 5 (2.86%) Wireless
Database & Business Intelligence
1 7 (4.00%) MySQL
2 5 (2.86%) SQL Server
3 2 (1.14%) Data Lake
3 2 (1.14%) Metadata
3 2 (1.14%) MongoDB
3 2 (1.14%) PostgreSQL
4 1 (0.57%) Amazon RDS
4 1 (0.57%) Apache Cassandra
4 1 (0.57%) DynamoDB
4 1 (0.57%) JasperReports
4 1 (0.57%) Oracle Exadata
4 1 (0.57%) Oracle Reports
Development Applications
1 19 (10.86%) Git
2 4 (2.29%) Jenkins
3 3 (1.71%) JIRA
4 2 (1.14%) GitLab
4 2 (1.14%) Jaeger
4 2 (1.14%) MLflow
4 2 (1.14%) Sonatype Nexus
5 1 (0.57%) Cucumber
5 1 (0.57%) Fiddler
5 1 (0.57%) Robot Framework
5 1 (0.57%) Snyk
General
1 93 (53.14%) Finance
2 86 (49.14%) Social Skills
3 55 (31.43%) Banking
4 21 (12.00%) Analytical Skills
4 21 (12.00%) Legal
5 18 (10.29%) Investment Banking
6 11 (6.29%) Inclusion and Diversity
6 11 (6.29%) Law
7 9 (5.14%) Telecoms
8 7 (4.00%) Manufacturing
9 4 (2.29%) Wholesale Banking
10 3 (1.71%) Aerospace
10 3 (1.71%) Documentation Skills
10 3 (1.71%) Front Office
10 3 (1.71%) Military
10 3 (1.71%) Pharmaceutical
10 3 (1.71%) Public Sector
11 2 (1.14%) Agriculture
11 2 (1.14%) Financial Institution
11 2 (1.14%) Presentation Skills
Job Titles
1 27 (15.43%) Infrastructure Engineer
2 23 (13.14%) Linux Scripter
3 22 (12.57%) Windows Engineer
4 20 (11.43%) Analyst
4 20 (11.43%) Developer
5 19 (10.86%) C++ Developer
5 19 (10.86%) Support Engineer
6 18 (10.29%) Linux Developer
6 18 (10.29%) Low Latency C++ Developer
6 18 (10.29%) Senior
7 17 (9.71%) Investment Banking C++ Developer
8 16 (9.14%) Lead
9 15 (8.57%) Systems Engineer
10 14 (8.00%) IT Support
10 14 (8.00%) Network Engineer
10 14 (8.00%) Support Analyst
11 11 (6.29%) DevOps Engineer
11 11 (6.29%) IT Engineer
11 11 (6.29%) Windows Systems Engineer
12 10 (5.71%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 6 (3.43%) Kafka
2 3 (1.71%) .NET
2 3 (1.71%) 802.1X
2 3 (1.71%) FIX Protocol
2 3 (1.71%) Middleware
3 2 (1.14%) FastAPI
3 2 (1.14%) Keycloak
3 2 (1.14%) OAuth
3 2 (1.14%) WebRTC
3 2 (1.14%) WebSockets
4 1 (0.57%) AWS CDK
4 1 (0.57%) Elastic Stack
4 1 (0.57%) HTML5
4 1 (0.57%) Jinja
4 1 (0.57%) LDAP
4 1 (0.57%) Microsoft Graph
4 1 (0.57%) OAuth2
4 1 (0.57%) OpenID
4 1 (0.57%) React
4 1 (0.57%) YANG
Miscellaneous
1 18 (10.29%) FPGA
2 17 (9.71%) Hedge funds
3 13 (7.43%) Data Centre
3 13 (7.43%) Enterprise Software
3 13 (7.43%) Onboarding
4 12 (6.86%) Hybrid Cloud
5 9 (5.14%) iPhone
6 8 (4.57%) Video Conferencing
7 7 (4.00%) iPad
7 7 (4.00%) Management Information System
8 6 (3.43%) Clustering
9 5 (2.86%) CCTV
9 5 (2.86%) Cloud Native
9 5 (2.86%) Public Cloud
9 5 (2.86%) Replication
9 5 (2.86%) Social Media
10 4 (2.29%) Mobile Banking
10 4 (2.29%) SCADA
11 3 (1.71%) Equities
11 3 (1.71%) PKI
Operating Systems
1 93 (53.14%) Windows
2 51 (29.14%) Windows Server
3 50 (28.57%) Linux
4 27 (15.43%) Windows Server 2012
5 15 (8.57%) Windows Server 2019
6 14 (8.00%) Windows Server 2016
7 13 (7.43%) Mac OS
7 13 (7.43%) Red Hat Enterprise Linux
8 11 (6.29%) Windows 10
9 7 (4.00%) Android
10 6 (3.43%) Unix
10 6 (3.43%) VMS
11 5 (2.86%) Windows 7
12 4 (2.29%) Windows Server 2008
13 2 (1.14%) Solaris
14 1 (0.57%) CentOS
14 1 (0.57%) Rocky
14 1 (0.57%) Ubuntu
Processes & Methodologies
1 36 (20.57%) Infrastructure Engineering
2 32 (18.29%) DevOps
2 32 (18.29%) ITIL
3 30 (17.14%) Patch Management
3 30 (17.14%) Root Cause Analysis
4 29 (16.57%) Problem-Solving
5 27 (15.43%) Disaster Recovery
6 26 (14.86%) Agile
7 25 (14.29%) Collaborative Working
8 24 (13.71%) Batch Scripting
8 24 (13.71%) Cybersecurity
8 24 (13.71%) Low Latency
9 23 (13.14%) High Availability
10 20 (11.43%) Incident Response
11 19 (10.86%) Artificial Intelligence
11 19 (10.86%) Incident Management
12 17 (9.71%) Infrastructure as Code
12 17 (9.71%) Systems Engineering
12 17 (9.71%) Task Automation
13 16 (9.14%) Cost Optimisation
Programming Languages
1 43 (24.57%) PowerShell
2 30 (17.14%) Python
3 23 (13.14%) Java
4 20 (11.43%) C++
5 19 (10.86%) C
6 12 (6.86%) Bash
7 11 (6.29%) SQL
8 4 (2.29%) Go
9 3 (1.71%) C#
10 2 (1.14%) JavaScript
10 2 (1.14%) Perl
10 2 (1.14%) TypeScript
11 1 (0.57%) Bourne shell
11 1 (0.57%) C-shell
11 1 (0.57%) R
11 1 (0.57%) Shell Script
11 1 (0.57%) VB.NET
11 1 (0.57%) VBScript
Qualifications
1 30 (17.14%) Degree
2 20 (11.43%) Azure Certification
2 20 (11.43%) Cisco Certification
3 18 (10.29%) Microsoft Certification
4 14 (8.00%) CCNA
5 9 (5.14%) CCNP
5 9 (5.14%) ITIL Foundation Certificate
6 8 (4.57%) MCSE
7 7 (4.00%) VMware Certified Professional (VCP)
8 6 (3.43%) AWS Certification
8 6 (3.43%) Security Cleared
9 5 (2.86%) SC Cleared
10 4 (2.29%) MCSA
10 4 (2.29%) Network+ Certification
11 3 (1.71%) GIAC
11 3 (1.71%) GSEC
11 3 (1.71%) HNC
11 3 (1.71%) HND
11 3 (1.71%) SANS
12 2 (1.14%) JNCIP
Quality Assurance & Compliance
1 19 (10.86%) SLA
2 16 (9.14%) ISO/IEC 27001
3 8 (4.57%) GDPR
4 7 (4.00%) Cyber Essentials
5 3 (1.71%) NIST
6 2 (1.14%) NIST 800
7 1 (0.57%) Cyber Essentials PLUS
7 1 (0.57%) MIL-STD-1553
7 1 (0.57%) PCI DSS
7 1 (0.57%) QA
System Software
1 72 (41.14%) Active Directory
2 43 (24.57%) VMware Infrastructure
3 20 (11.43%) Hyper-V
4 12 (6.86%) NFS
4 12 (6.86%) vSphere
5 10 (5.71%) Virtual Desktop
6 6 (3.43%) VMware ESXi
7 4 (2.29%) BitLocker
7 4 (2.29%) Docker
8 2 (1.14%) pfSense
8 2 (1.14%) VMware NSX
9 1 (0.57%) Virtual Machines
9 1 (0.57%) Virtual Servers
Systems Management
1 37 (21.14%) Microsoft Intune
2 26 (14.86%) Ansible
3 19 (10.86%) Kubernetes
3 19 (10.86%) SCCM
3 19 (10.86%) Terraform
4 16 (9.14%) Active Directory Federation Services
4 16 (9.14%) Single Sign-On
5 8 (4.57%) NetBackup
5 8 (4.57%) SCOM
6 6 (3.43%) Autotask
6 6 (3.43%) Nagios
7 4 (2.29%) Grafana
7 4 (2.29%) HAProxy
7 4 (2.29%) WSUS
8 3 (1.71%) Prometheus
9 2 (1.14%) Argo
9 2 (1.14%) Computer Emergency Response Teams
9 2 (1.14%) Progress Chef
9 2 (1.14%) Puppet
10 1 (0.57%) FortiGate
Vendors
1 82 (46.86%) Microsoft
2 47 (26.86%) VMware
3 43 (24.57%) Cisco
4 17 (9.71%) Bloomberg
5 16 (9.14%) Red Hat
5 16 (9.14%) Reuters
6 14 (8.00%) SolarWinds
7 12 (6.86%) Commvault
8 11 (6.29%) Fortinet
8 11 (6.29%) Pure Storage
9 9 (5.14%) Citrix
9 9 (5.14%) ServiceNow
9 9 (5.14%) Veeam
10 7 (4.00%) Palo Alto
11 6 (3.43%) Acronis
11 6 (3.43%) Datto
11 6 (3.43%) EMC
11 6 (3.43%) Oracle
12 5 (2.86%) F5
12 5 (2.86%) TOWER Software