TCP/IP Job Trends in the City of London

Transmission Control Protocol/Internet Protocol (TCP/IP)
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of 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 118 123 126
Rank change year-on-year +5 +3 +69
Permanent jobs citing TCP/IP 13 46 48
As % of all permanent jobs in the City of London 0.68% 1.63% 1.61%
As % of the Communications & Networking category 7.69% 10.38% 11.46%
Number of salaries quoted 9 18 47
10th Percentile £30,350 £34,325 £38,750
25th Percentile £31,250 £36,250 £55,625
Median annual salary (50th Percentile) £32,500 £46,000 £70,000
Median % change year-on-year -29.35% -34.29% +73.91%
75th Percentile £41,000 £59,563 £80,000
90th Percentile £50,300 £73,250 £95,000
Central London median annual salary £57,500 £47,000 £65,000
% change year-on-year +22.34% -27.69% +30.00%

All Communications and Computer Networking Skills
City of 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 the City of London.

Permanent vacancies with a requirement for communications or computer networking skills 169 443 419
As % of all permanent jobs advertised in the City of London 8.90% 15.68% 14.09%
Number of salaries quoted 137 261 381
10th Percentile £36,250 £38,250 £35,000
25th Percentile £37,500 £50,000 £45,500
Median annual salary (50th Percentile) £60,000 £65,000 £65,000
Median % change year-on-year -7.69% - -
75th Percentile £82,500 £85,250 £77,500
90th Percentile £95,000 £105,000 £95,000
Central London median annual salary £55,000 £62,500 £62,500
% change year-on-year -12.00% - +0.81%

TCP/IP
Job Vacancy Trend in the City of London

Historical trend showing the proportion of permanent IT job postings citing TCP/IP relative to all permanent IT jobs advertised in the City of London.

TCP/IP job vacancy trend in the City of London

TCP/IP
Salary Trend in the City of London

Salary distribution trend for jobs in the City of London citing TCP/IP.

Salary distribution trend for jobs in the City of London citing TCP/IP

TCP/IP
Salary Histogram in the City of London

Salary distribution for jobs citing TCP/IP in the City of London over the 6 months to 5 December 2025.

Salary histogram for TCP/IP in the City of London

TCP/IP
Co-Occurring Skills & Capabilities in the City of 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 4 (30.77%) SharePoint
2 3 (23.08%) Microsoft Exchange
3 2 (15.38%) Apache
3 2 (15.38%) nginx
Cloud Services
1 8 (61.54%) Microsoft 365
2 4 (30.77%) Azure
2 4 (30.77%) Google Workspace
2 4 (30.77%) OneDrive
3 3 (23.08%) AWS
4 1 (7.69%) Entra ID
Communications & Networking
1 12 (92.31%) DHCP
2 11 (84.62%) WAN
3 10 (76.92%) DNS
4 9 (69.23%) LAN
5 5 (38.46%) VoIP
5 5 (38.46%) Wi-Fi
6 2 (15.38%) Broadband
6 2 (15.38%) DOCSIS
6 2 (15.38%) DSL
6 2 (15.38%) GPON
6 2 (15.38%) IPv4
6 2 (15.38%) IPv6
6 2 (15.38%) NAS
6 2 (15.38%) PPP
6 2 (15.38%) RTP
6 2 (15.38%) SAN
6 2 (15.38%) SNMP
6 2 (15.38%) VPN
7 1 (7.69%) BGP
7 1 (7.69%) Network Security
Development Applications
1 3 (23.08%) JIRA
General
1 10 (76.92%) Social Skills
2 6 (46.15%) Finance
3 4 (30.77%) Banking
3 4 (30.77%) Wholesale Banking
4 2 (15.38%) Analytical Skills
5 1 (7.69%) Public Sector
Job Titles
1 8 (61.54%) Support Engineer
2 3 (23.08%) 2nd Line Engineer
2 3 (23.08%) 2nd Line Support
2 3 (23.08%) 2nd Line Support Engineer
2 3 (23.08%) IT Engineer
2 3 (23.08%) IT Support
2 3 (23.08%) IT Support Engineer
3 2 (15.38%) Architect
3 2 (15.38%) Linux Engineer
3 2 (15.38%) Senior
3 2 (15.38%) Senior Linux Engineer
3 2 (15.38%) Software Architect
4 1 (7.69%) Junior
4 1 (7.69%) Junior Support Engineer
4 1 (7.69%) Junior Technical Engineer
4 1 (7.69%) Junior Technical Support
4 1 (7.69%) Junior Technical Support Engineer
4 1 (7.69%) Technical Engineer
4 1 (7.69%) Technical Support
4 1 (7.69%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 2 (15.38%) LDAP
Miscellaneous
1 6 (46.15%) Onboarding
2 4 (30.77%) CCTV
3 2 (15.38%) FPGA
3 2 (15.38%) Self-Motivation
4 1 (7.69%) Video Conferencing
Operating Systems
1 8 (61.54%) Windows
2 4 (30.77%) Linux
2 4 (30.77%) Mac OS
3 3 (23.08%) Windows 10
3 3 (23.08%) Windows Server
3 3 (23.08%) Windows Server 2012
3 3 (23.08%) Windows Server 2016
3 3 (23.08%) Windows Server 2019
4 2 (15.38%) CentOS
4 2 (15.38%) OpenWrt
4 2 (15.38%) Oracle Linux
4 2 (15.38%) Red Hat Enterprise Linux
Processes & Methodologies
1 10 (76.92%) Continuous Improvement
2 9 (69.23%) Problem-Solving
3 5 (38.46%) Computer Science
4 4 (30.77%) BCP
4 4 (30.77%) Cybersecurity
4 4 (30.77%) Data Analysis
4 4 (30.77%) Data Protection
4 4 (30.77%) Disaster Recovery
4 4 (30.77%) Stakeholder Engagement
5 3 (23.08%) AI
6 2 (15.38%) Agile
6 2 (15.38%) Analytical Thinking
6 2 (15.38%) Creative Problem-Solving
6 2 (15.38%) Creative Thinking
6 2 (15.38%) Customer Service
6 2 (15.38%) Open Source
6 2 (15.38%) SDLC
6 2 (15.38%) Software Architecture
6 2 (15.38%) Use Case
6 2 (15.38%) User Stories
Programming Languages
1 3 (23.08%) Python
2 2 (15.38%) C
2 2 (15.38%) C++
2 2 (15.38%) Java
2 2 (15.38%) Perl
3 1 (7.69%) Bash
3 1 (7.69%) PowerShell
Qualifications
1 5 (38.46%) Degree
2 1 (7.69%) CCNP
2 1 (7.69%) Cisco Certification
2 1 (7.69%) Computer Science Degree
2 1 (7.69%) JNCIP
Quality Assurance & Compliance
1 1 (7.69%) ISO/IEC 27001
1 1 (7.69%) SOC 2
System Software
1 8 (61.54%) Active Directory
2 4 (30.77%) BitLocker
3 3 (23.08%) Hyper-V
Systems Management
1 5 (38.46%) Microsoft Intune
2 4 (30.77%) Nagios
2 4 (30.77%) SCCM
3 3 (23.08%) Active Directory Federation Services
4 2 (15.38%) Ansible
4 2 (15.38%) Red Hat Satellite
4 2 (15.38%) Red Hat Spacewalk
Vendors
1 8 (61.54%) Microsoft
2 5 (38.46%) Cisco
2 5 (38.46%) Fortinet
3 4 (30.77%) Google
3 4 (30.77%) Symantec
4 2 (15.38%) Dell
4 2 (15.38%) HP
4 2 (15.38%) Oracle
4 2 (15.38%) Red Hat
5 1 (7.69%) Juniper
5 1 (7.69%) Palo Alto
5 1 (7.69%) ServiceNow