Firewall Job Trends in London

Firewall
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring Firewall skills. It covers permanent job vacancies from the 6 months leading up to 1 November 2025, with comparisons to the same periods in the previous two years.

6 months to
1 Nov 2025
Same period 2024 Same period 2023
Rank 82 82 63
Rank change year-on-year 0 -19 +75
Permanent jobs citing Firewall 441 611 841
As % of all permanent jobs in London 3.64% 3.52% 4.26%
As % of the Communications & Networking category 34.70% 29.86% 34.08%
Number of salaries quoted 325 386 740
10th Percentile £33,250 £37,500 £36,250
25th Percentile £43,000 £48,750 £50,000
Median annual salary (50th Percentile) £65,000 £70,000 £65,000
Median % change year-on-year -7.14% +7.69% +1.56%
75th Percentile £82,500 £82,500 £87,500
90th Percentile £95,000 £95,000 £100,000
England median annual salary £45,000 £52,500 £53,500
% change year-on-year -14.29% -1.87% +1.90%

All Communications and Computer Networking Skills
London

Firewall 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 1,271 2,046 2,468
As % of all permanent jobs advertised in London 10.51% 11.79% 12.51%
Number of salaries quoted 860 1,177 2,034
10th Percentile £29,270 £36,650 £32,750
25th Percentile £37,000 £47,500 £42,500
Median annual salary (50th Percentile) £60,000 £66,250 £65,000
Median % change year-on-year -9.43% +1.92% +4.00%
75th Percentile £82,500 £82,500 £83,563
90th Percentile £105,000 £100,000 £100,000
England median annual salary £40,000 £53,050 £52,000
% change year-on-year -24.60% +2.02% -0.95%

Firewall
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings citing Firewall relative to all permanent IT jobs advertised in London.

Firewall job vacancy trend in London

Firewall
Salary Trend in London

Salary distribution trend for jobs in London citing Firewall.

Salary distribution trend for jobs in London citing Firewall

Firewall
Salary Histogram in London

Salary distribution for jobs citing Firewall in London over the 6 months to 1 November 2025.

Salary histogram for Firewall in London

Firewall
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Firewall within the London region over the 6 months to 1 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 -16 70 £70,000 -3.45% 67
East London +7 19 £35,000 -36.36% 11
West London +17 13 £52,500 +31.25% 13
South London +31 7 £46,000 -23.33% 5
North London +2 6 £75,000 +81.82% 1
Firewall
England

Firewall
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 48 (10.88%) Microsoft Exchange
2 36 (8.16%) SharePoint
3 5 (1.13%) Moodle
4 4 (0.91%) nginx
5 2 (0.45%) Apache Airflow
5 2 (0.45%) IIS
5 2 (0.45%) Skype for Business
6 1 (0.23%) Apache
6 1 (0.23%) Confluence
Applications
1 16 (3.63%) MS Visio
2 9 (2.04%) Microsoft Office
3 3 (0.68%) Microsoft Project
4 2 (0.45%) AutoCAD
4 2 (0.45%) Microsoft Excel
4 2 (0.45%) Revit
5 1 (0.23%) Microsoft PowerPoint
Business Applications
1 2 (0.45%) Fidessa
2 1 (0.23%) Dynamics NAV
2 1 (0.23%) SAP S/4HANA
Cloud Services
1 222 (50.34%) Azure
2 106 (24.04%) Microsoft 365
3 92 (20.86%) AWS
4 59 (13.38%) Entra ID
5 34 (7.71%) SaaS
6 28 (6.35%) IaaS
7 22 (4.99%) PaaS
8 19 (4.31%) GCP
9 18 (4.08%) Azure Monitor
10 17 (3.85%) GitHub
11 14 (3.17%) Azure Sentinel
12 12 (2.72%) Power Platform
13 9 (2.04%) Azure ExpressRoute
13 9 (2.04%) Azure Logic Apps
13 9 (2.04%) Google Workspace
13 9 (2.04%) Power Automate
14 8 (1.81%) AWS Direct Connect
15 7 (1.59%) Azure Data Factory
15 7 (1.59%) Azure Synapse Analytics
15 7 (1.59%) Cloud Computing
Communications & Networking
1 133 (30.16%) VPN
2 123 (27.89%) WAN
3 119 (26.98%) LAN
4 97 (22.00%) Network Security
5 68 (15.42%) Wi-Fi
6 66 (14.97%) BGP
7 64 (14.51%) OSPF
8 60 (13.61%) DNS
8 60 (13.61%) Wireless
9 58 (13.15%) VLAN
10 55 (12.47%) SD-WAN
10 55 (12.47%) TCP/IP
11 46 (10.43%) DHCP
12 31 (7.03%) VoIP
13 30 (6.80%) Intrusion Detection
14 24 (5.44%) Cisco ASA
15 23 (5.22%) EIGRP
15 23 (5.22%) MPLS
15 23 (5.22%) WLAN
16 21 (4.76%) Wireshark
Database & Business Intelligence
1 17 (3.85%) SQL Server
2 11 (2.49%) Power BI
3 8 (1.81%) MySQL
4 6 (1.36%) NoSQL
4 6 (1.36%) Relational Database
5 5 (1.13%) Data Lake
6 3 (0.68%) InfluxDB
7 2 (0.45%) Metadata
7 2 (0.45%) MongoDB
7 2 (0.45%) PostgreSQL
8 1 (0.23%) Oracle Reports
Development Applications
1 14 (3.17%) Git
2 5 (1.13%) GitLab
3 3 (0.68%) Jenkins
3 3 (0.68%) JIRA
3 3 (0.68%) TeamCity
4 2 (0.45%) Jaeger
4 2 (0.45%) MLflow
4 2 (0.45%) Sonatype Nexus
5 1 (0.23%) Artifactory
5 1 (0.23%) Burp Suite
5 1 (0.23%) SonarQube
General
1 143 (32.43%) Social Skills
2 119 (26.98%) Finance
3 40 (9.07%) Analytical Skills
4 34 (7.71%) Banking
5 28 (6.35%) Telecoms
6 24 (5.44%) Documentation Skills
7 18 (4.08%) Law
8 16 (3.63%) Inclusion and Diversity
9 12 (2.72%) Financial Institution
9 12 (2.72%) Marketing
10 8 (1.81%) Legal
11 7 (1.59%) Japanese Language
11 7 (1.59%) Public Sector
12 6 (1.36%) Manufacturing
12 6 (1.36%) Organisational Skills
12 6 (1.36%) Retail
13 5 (1.13%) Investment Banking
14 4 (0.91%) Billing
15 3 (0.68%) Advertising
15 3 (0.68%) Back Office
Job Titles
1 112 (25.40%) Network Engineer
2 69 (15.65%) Senior
3 65 (14.74%) Analyst
4 58 (13.15%) Infrastructure Engineer
5 44 (9.98%) Support Engineer
6 41 (9.30%) IT Support
7 30 (6.80%) Support Analyst
8 29 (6.58%) Security Engineer
9 27 (6.12%) Lead
10 26 (5.90%) IT Engineer
11 25 (5.67%) Cisco Engineer
11 25 (5.67%) IT Analyst
12 21 (4.76%) Security Analyst
12 21 (4.76%) Senior Network Engineer
13 18 (4.08%) Azure Engineer
13 18 (4.08%) Cloud Engineer
14 16 (3.63%) IT Support Engineer
15 15 (3.40%) Cisco Network Engineer
15 15 (3.40%) IT Support Analyst
15 15 (3.40%) Network Support
Libraries, Frameworks & Software Standards
1 10 (2.27%) 802.1X
2 6 (1.36%) RESTful
3 5 (1.13%) LDAP
3 5 (1.13%) REST
4 4 (0.91%) .NET
4 4 (0.91%) Elastic Stack
5 3 (0.68%) Microsoft Graph
5 3 (0.68%) YAML
6 2 (0.45%) EDI
6 2 (0.45%) FastAPI
6 2 (0.45%) FIX Protocol
6 2 (0.45%) Kafka
6 2 (0.45%) Keycloak
6 2 (0.45%) WebRTC
7 1 (0.23%) AWS SAM
7 1 (0.23%) Oracle Fusion
7 1 (0.23%) Web Services
7 1 (0.23%) WSH
7 1 (0.23%) XMPP
Miscellaneous
1 74 (16.78%) Data Centre
2 37 (8.39%) Management Information System
3 22 (4.99%) Hybrid Cloud
3 22 (4.99%) Self-Motivation
4 21 (4.76%) Cyber Threat
5 16 (3.63%) Driving Licence
6 15 (3.40%) Onboarding
7 14 (3.17%) Public Cloud
8 13 (2.95%) Cloud Native
9 10 (2.27%) PKI
9 10 (2.27%) Security Posture
9 10 (2.27%) Virtual Team
10 9 (2.04%) Enterprise Software
10 9 (2.04%) Video Conferencing
11 7 (1.59%) CCTV
11 7 (1.59%) Distributed Architecture
11 7 (1.59%) iPhone
11 7 (1.59%) Security Operations Centre
11 7 (1.59%) Social Media
12 6 (1.36%) Insider Threat
Operating Systems
1 164 (37.19%) Windows
2 88 (19.95%) Linux
3 84 (19.05%) Windows Server
4 15 (3.40%) Red Hat Enterprise Linux
4 15 (3.40%) Unix
5 13 (2.95%) Windows 10
5 13 (2.95%) Windows Server 2019
6 11 (2.49%) VMS
7 9 (2.04%) Mac OS
7 9 (2.04%) Ubuntu
8 8 (1.81%) Android
9 7 (1.59%) CentOS
9 7 (1.59%) Windows Server 2016
10 4 (0.91%) Mac OS X
11 2 (0.45%) Debian
11 2 (0.45%) Kali Linux
11 2 (0.45%) Solaris
12 1 (0.23%) Apple iOS
12 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 97 (22.00%) Problem-Solving
2 88 (19.95%) Cybersecurity
3 73 (16.55%) Incident Response
4 67 (15.19%) Infrastructure Engineering
4 67 (15.19%) SIEM
5 64 (14.51%) Infrastructure as Code
6 55 (12.47%) Disaster Recovery
7 50 (11.34%) DevOps
8 46 (10.43%) Computer Science
9 45 (10.20%) ITIL
10 44 (9.98%) Migration
11 42 (9.52%) Change Management
11 42 (9.52%) Network Monitoring
12 39 (8.84%) Cloud Security
12 39 (8.84%) Customer Service
13 38 (8.62%) Information Security
13 38 (8.62%) Load Balancing
14 36 (8.16%) Security Operations
15 35 (7.94%) High Availability
16 33 (7.48%) Process Improvement
Programming Languages
1 95 (21.54%) Python
2 88 (19.95%) PowerShell
3 35 (7.94%) Bash
4 23 (5.22%) SQL
5 8 (1.81%) Bicep
6 7 (1.59%) Go
7 6 (1.36%) JavaScript
8 4 (0.91%) Java
9 3 (0.68%) Shell Script
10 2 (0.45%) Kusto Query Language
11 1 (0.23%) C#
11 1 (0.23%) C++
11 1 (0.23%) Perl
11 1 (0.23%) R
11 1 (0.23%) Rust
11 1 (0.23%) Search Processing Language
11 1 (0.23%) VB.NET
11 1 (0.23%) VBScript
Qualifications
1 89 (20.18%) Cisco Certification
2 88 (19.95%) Degree
3 69 (15.65%) CCNP
4 45 (10.20%) CCNA
5 38 (8.62%) CCIE
6 34 (7.71%) CISSP
7 33 (7.48%) Azure Certification
8 24 (5.44%) Computer Science Degree
9 23 (5.22%) CISM
10 22 (4.99%) AWS Certification
11 21 (4.76%) Security Cleared
12 17 (3.85%) SC Cleared
13 14 (3.17%) Microsoft Certification
14 13 (2.95%) Network+ Certification
15 10 (2.27%) CCSA
15 10 (2.27%) CCSE
15 10 (2.27%) HND
16 9 (2.04%) CompTIA Security+
16 9 (2.04%) Master's Degree
17 8 (1.81%) DBS Check
Quality Assurance & Compliance
1 58 (13.15%) ISO/IEC 27001
2 46 (10.43%) NIST
3 36 (8.16%) GDPR
4 21 (4.76%) Cyber Essentials
5 10 (2.27%) QA
6 8 (1.81%) PCI DSS
7 6 (1.36%) PMO
7 6 (1.36%) SLA
8 4 (0.91%) Cyber Essentials PLUS
8 4 (0.91%) SOC 2
9 3 (0.68%) GRC
10 2 (0.45%) Accessibility
10 2 (0.45%) Sarbanes-Oxley
11 1 (0.23%) Basel III
11 1 (0.23%) HIPAA
11 1 (0.23%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
11 1 (0.23%) MiFID
11 1 (0.23%) NIST 800
System Software
1 125 (28.34%) Active Directory
2 74 (16.78%) VMware Infrastructure
3 28 (6.35%) Hyper-V
4 18 (4.08%) vSphere
5 12 (2.72%) NFS
5 12 (2.72%) Virtual Machines
6 11 (2.49%) Firmware
7 10 (2.27%) Docker
7 10 (2.27%) VMware ESXi
8 8 (1.81%) ProxySG
8 8 (1.81%) Virtual Desktop
9 6 (1.36%) EMC RecoverPoint
9 6 (1.36%) Virtual Servers
10 5 (1.13%) XenApp
10 5 (1.13%) XenDesktop
11 4 (0.91%) KVM
11 4 (0.91%) pfSense
12 3 (0.68%) VMware NSX
13 2 (0.45%) Squid
14 1 (0.23%) VMware Server
Systems Management
1 59 (13.38%) Terraform
2 51 (11.56%) Ansible
3 44 (9.98%) Microsoft Intune
4 36 (8.16%) Kubernetes
5 20 (4.54%) FortiGate
5 20 (4.54%) Grafana
6 19 (4.31%) SCCM
7 15 (3.40%) Autotask
7 15 (3.40%) Prometheus
8 14 (3.17%) Single Sign-On
9 9 (2.04%) CSIRT
9 9 (2.04%) Nessus
10 8 (1.81%) CASB
11 6 (1.36%) Cisco CUCM
11 6 (1.36%) VxRail
12 5 (1.13%) Computer Emergency Response Teams
12 5 (1.13%) SCOM
13 4 (0.91%) Nagios
14 3 (0.68%) Istio
14 3 (0.68%) Proxmox
Vendors
1 164 (37.19%) Cisco
2 151 (34.24%) Microsoft
3 102 (23.13%) VMware
4 59 (13.38%) Palo Alto
5 57 (12.93%) CheckPoint
5 57 (12.93%) SolarWinds
6 49 (11.11%) Fortinet
7 42 (9.52%) Meraki
8 30 (6.80%) F5
9 29 (6.58%) Juniper
10 19 (4.31%) Splunk
11 16 (3.63%) Arista
11 16 (3.63%) Red Hat
11 16 (3.63%) Zscaler
12 14 (3.17%) Citrix
13 13 (2.95%) Google
14 12 (2.72%) Commvault
15 11 (2.49%) Pure Storage
16 10 (2.27%) Aruba
16 10 (2.27%) Infoblox