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 vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 84 94 63
Rank change year-on-year +10 -31 +100
Permanent jobs citing Firewall 449 661 944
As % of all permanent jobs advertised in London 3.76% 3.43% 4.30%
As % of the Communications & Networking category 35.86% 24.65% 35.25%
Number of salaries quoted 342 439 816
10th Percentile £35,800 £38,000 £36,250
25th Percentile £46,563 £48,750 £47,500
Median annual salary (50th Percentile) £66,500 £67,500 £65,000
Median % change year-on-year -1.48% +3.85% +4.00%
75th Percentile £82,500 £82,500 £86,563
90th Percentile £95,000 £93,250 £100,000
England median annual salary £47,500 £50,000 £52,500
% change year-on-year -5.00% -4.76% -

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 1,252 2,682 2,678
As % of all permanent jobs advertised in London 10.48% 13.91% 12.20%
Number of salaries quoted 864 1,272 2,203
10th Percentile £31,250 £35,000 £32,500
25th Percentile £41,063 £45,000 £42,125
Median annual salary (50th Percentile) £60,000 £65,000 £62,618
Median % change year-on-year -7.69% +3.80% +0.19%
75th Percentile £82,500 £81,250 £83,750
90th Percentile £100,000 £96,000 £100,000
England median annual salary £41,500 £50,000 £52,000
% change year-on-year -17.00% -3.85% -0.95%

Firewall
Job Vacancy Trend in London

Job postings citing Firewall as a proportion of all IT jobs advertised in London.

Job vacancy trend for Firewall 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 18 September 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 18 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 -34 67 £70,000 +0.90% 39
East London -1 11 £34,000 -38.18% 5
South London +14 9 £46,000 -15.60% 1
West London +44 8 £55,000 +26.44% 7
North London -8 3 £70,000 +69.70% 2
Firewall
England

Firewall
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 46 (10.24%) Microsoft Exchange
2 35 (7.80%) SharePoint
3 9 (2.00%) Moodle
4 4 (0.89%) nginx
5 3 (0.67%) IIS
6 2 (0.45%) Apache Airflow
6 2 (0.45%) Skype for Business
7 1 (0.22%) Confluence
Applications
1 15 (3.34%) MS Visio
2 12 (2.67%) Microsoft Office
3 3 (0.67%) Microsoft Excel
4 2 (0.45%) AutoCAD
4 2 (0.45%) Microsoft Project
4 2 (0.45%) Revit
5 1 (0.22%) Microsoft PowerPoint
5 1 (0.22%) Mozilla Thunderbird
Business Applications
1 6 (1.34%) Fidessa
2 4 (0.89%) SAP S/4HANA
3 1 (0.22%) Dynamics NAV
Cloud Services
1 230 (51.22%) Azure
2 108 (24.05%) Microsoft 365
3 107 (23.83%) AWS
4 60 (13.36%) Entra ID
5 33 (7.35%) SaaS
6 29 (6.46%) IaaS
7 24 (5.35%) GCP
7 24 (5.35%) PaaS
8 21 (4.68%) Azure Sentinel
9 20 (4.45%) Azure Monitor
10 17 (3.79%) GitHub
11 16 (3.56%) OneDrive
12 14 (3.12%) AWS Direct Connect
13 13 (2.90%) Power Platform
14 9 (2.00%) Azure Data Factory
14 9 (2.00%) Azure DevOps
15 8 (1.78%) Azure Synapse Analytics
16 7 (1.56%) Azure Logic Apps
16 7 (1.56%) Google Workspace
16 7 (1.56%) Virtual Private Cloud
Communications & Networking
1 159 (35.41%) VPN
2 117 (26.06%) WAN
3 107 (23.83%) Network Security
4 104 (23.16%) LAN
5 85 (18.93%) BGP
6 79 (17.59%) OSPF
7 64 (14.25%) Wi-Fi
8 58 (12.92%) SD-WAN
9 51 (11.36%) DNS
10 49 (10.91%) VLAN
11 46 (10.24%) TCP/IP
12 42 (9.35%) Wireless
13 36 (8.02%) DHCP
13 36 (8.02%) MPLS
14 31 (6.90%) Cisco ASA
15 28 (6.24%) Intrusion Detection
15 28 (6.24%) IPsec
15 28 (6.24%) WLAN
16 25 (5.57%) Cisco Firepower
17 23 (5.12%) EIGRP
Database & Business Intelligence
1 27 (6.01%) SQL Server
2 11 (2.45%) Power BI
3 8 (1.78%) MySQL
4 6 (1.34%) NoSQL
4 6 (1.34%) Relational Database
5 5 (1.11%) Data Lake
5 5 (1.11%) Oracle Reports
6 3 (0.67%) InfluxDB
7 2 (0.45%) Azure SQL Database
7 2 (0.45%) Metadata
7 2 (0.45%) MongoDB
7 2 (0.45%) PostgreSQL
8 1 (0.22%) Apache Cassandra
8 1 (0.22%) JasperReports
Development Applications
1 14 (3.12%) Git
2 7 (1.56%) GitLab
3 4 (0.89%) Jenkins
4 3 (0.67%) JIRA
5 2 (0.45%) Jaeger
5 2 (0.45%) MLflow
5 2 (0.45%) Sonatype Nexus
6 1 (0.22%) Artifactory
6 1 (0.22%) Bitbucket Server
6 1 (0.22%) Burp Suite
6 1 (0.22%) IDA Disassembler
6 1 (0.22%) Octopus Deploy
6 1 (0.22%) SonarQube
General
1 147 (32.74%) Social Skills
2 138 (30.73%) Finance
3 46 (10.24%) Banking
4 45 (10.02%) Analytical Skills
5 30 (6.68%) Documentation Skills
6 27 (6.01%) Telecoms
7 21 (4.68%) Inclusion and Diversity
7 21 (4.68%) Law
8 14 (3.12%) Legal
9 10 (2.23%) Marketing
10 8 (1.78%) Investment Banking
10 8 (1.78%) Organisational Skills
11 7 (1.56%) Japanese Language
11 7 (1.56%) Mandarin Language
12 6 (1.34%) Financial Institution
12 6 (1.34%) Front Office
12 6 (1.34%) Manufacturing
12 6 (1.34%) Public Sector
13 3 (0.67%) French Language
14 2 (0.45%) Retail
Job Titles
1 114 (25.39%) Network Engineer
2 67 (14.92%) Senior
3 62 (13.81%) Infrastructure Engineer
4 61 (13.59%) Analyst
5 42 (9.35%) Support Engineer
6 31 (6.90%) Security Engineer
7 29 (6.46%) IT Support
7 29 (6.46%) Lead
8 28 (6.24%) Security Analyst
9 25 (5.57%) IT Engineer
10 22 (4.90%) Cisco Engineer
11 21 (4.68%) Senior Network Engineer
12 18 (4.01%) Architect
12 18 (4.01%) Support Analyst
13 17 (3.79%) Cloud Engineer
13 17 (3.79%) IT Analyst
13 17 (3.79%) Network Infrastructure Engineer
14 16 (3.56%) Azure Engineer
14 16 (3.56%) Operations Engineer
15 14 (3.12%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 10 (2.23%) 802.1X
2 5 (1.11%) LDAP
2 5 (1.11%) REST
2 5 (1.11%) RESTful
2 5 (1.11%) YAML
3 4 (0.89%) Oracle Fusion
4 3 (0.67%) ARM Templates
4 3 (0.67%) Elastic Stack
5 2 (0.45%) EDI
5 2 (0.45%) FastAPI
5 2 (0.45%) FIX Protocol
5 2 (0.45%) Kafka
5 2 (0.45%) Keycloak
5 2 (0.45%) WebRTC
6 1 (0.22%) .NET
6 1 (0.22%) Microsoft Graph
6 1 (0.22%) Middleware
6 1 (0.22%) Web Services
6 1 (0.22%) WSH
6 1 (0.22%) XMPP
Miscellaneous
1 76 (16.93%) Data Centre
2 53 (11.80%) Management Information System
3 25 (5.57%) Cyber Threat
4 20 (4.45%) Self-Motivation
5 17 (3.79%) Security Posture
6 15 (3.34%) Hybrid Cloud
7 14 (3.12%) PKI
8 12 (2.67%) Onboarding
8 12 (2.67%) Video Conferencing
9 11 (2.45%) Public Cloud
9 11 (2.45%) Security Operations Centre
10 10 (2.23%) Cloud Native
11 9 (2.00%) Learning Management System
12 8 (1.78%) Distributed Architecture
13 7 (1.56%) Distributed Denial-of-Service
13 7 (1.56%) Social Media
13 7 (1.56%) Virtual Team
14 6 (1.34%) Hedge funds
14 6 (1.34%) iPhone
14 6 (1.34%) IPTV
Operating Systems
1 162 (36.08%) Windows
2 88 (19.60%) Linux
3 81 (18.04%) Windows Server
4 14 (3.12%) Red Hat Enterprise Linux
5 13 (2.90%) Windows 10
6 11 (2.45%) Unix
6 11 (2.45%) Windows Server 2019
7 10 (2.23%) VMS
7 10 (2.23%) Windows Server 2016
8 9 (2.00%) Android
9 5 (1.11%) CentOS
9 5 (1.11%) Ubuntu
10 4 (0.89%) Apple iOS
10 4 (0.89%) Mac OS
11 2 (0.45%) Debian
11 2 (0.45%) Kali Linux
12 1 (0.22%) Rocky
12 1 (0.22%) Solaris
12 1 (0.22%) Windows Server 2012
Processes & Methodologies
1 109 (24.28%) Problem-Solving
2 97 (21.60%) Cybersecurity
3 88 (19.60%) SIEM
4 76 (16.93%) Incident Response
5 67 (14.92%) Infrastructure Engineering
6 59 (13.14%) DevOps
7 58 (12.92%) Infrastructure as Code
8 51 (11.36%) Disaster Recovery
9 50 (11.14%) ITIL
10 49 (10.91%) Change Management
10 49 (10.91%) Information Security
11 48 (10.69%) Computer Science
12 45 (10.02%) Cloud Security
13 43 (9.58%) Network Monitoring
14 42 (9.35%) Migration
15 40 (8.91%) Mentoring
16 39 (8.69%) Customer Service
17 37 (8.24%) Continuous Improvement
17 37 (8.24%) Incident Management
17 37 (8.24%) Security Operations
Programming Languages
1 92 (20.49%) Python
2 84 (18.71%) PowerShell
3 33 (7.35%) Bash
4 30 (6.68%) SQL
5 5 (1.11%) Bicep
5 5 (1.11%) JavaScript
6 4 (0.89%) R
7 3 (0.67%) Go
7 3 (0.67%) Shell Script
8 2 (0.45%) Kusto Query Language
8 2 (0.45%) Perl
9 1 (0.22%) C#
9 1 (0.22%) C++
9 1 (0.22%) Java
9 1 (0.22%) Rust
9 1 (0.22%) Search Processing Language
9 1 (0.22%) VB.NET
9 1 (0.22%) VBScript
Qualifications
1 92 (20.49%) Degree
2 84 (18.71%) Cisco Certification
3 67 (14.92%) CCNP
4 50 (11.14%) CCNA
5 31 (6.90%) CCIE
6 30 (6.68%) Azure Certification
7 29 (6.46%) CISSP
8 25 (5.57%) CISM
9 24 (5.35%) Computer Science Degree
10 17 (3.79%) AWS Certification
11 14 (3.12%) Security Cleared
12 13 (2.90%) Microsoft Certification
12 13 (2.90%) SC Cleared
13 11 (2.45%) Master's Degree
14 9 (2.00%) Network+ Certification
15 8 (1.78%) CISA
16 7 (1.56%) CEH
16 7 (1.56%) CompTIA Security+
17 6 (1.34%) CCSA
17 6 (1.34%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 61 (13.59%) ISO/IEC 27001
2 54 (12.03%) NIST
3 51 (11.36%) GDPR
4 29 (6.46%) Cyber Essentials
5 11 (2.45%) QA
6 9 (2.00%) Cyber Essentials PLUS
6 9 (2.00%) SLA
7 8 (1.78%) HIPAA
8 6 (1.34%) PCI DSS
9 5 (1.11%) NIST 800
9 5 (1.11%) Sarbanes-Oxley
10 4 (0.89%) NCSC
10 4 (0.89%) PMO
11 3 (0.67%) Accessibility
11 3 (0.67%) SOC 2
12 2 (0.45%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
13 1 (0.22%) COBIT
System Software
1 108 (24.05%) Active Directory
2 80 (17.82%) VMware Infrastructure
3 35 (7.80%) Hyper-V
4 17 (3.79%) vSphere
5 16 (3.56%) Firmware
5 16 (3.56%) Virtual Machines
6 15 (3.34%) VMware ESXi
7 12 (2.67%) NFS
8 10 (2.23%) Virtual Desktop
9 9 (2.00%) Docker
10 8 (1.78%) ProxySG
11 7 (1.56%) EMC RecoverPoint
11 7 (1.56%) Virtual Servers
12 5 (1.11%) XenApp
12 5 (1.11%) XenDesktop
13 4 (0.89%) pfSense
14 3 (0.67%) VMware NSX
15 2 (0.45%) Squid
16 1 (0.22%) Forefront TMG
16 1 (0.22%) Microsoft Virtual Server
Systems Management
1 51 (11.36%) Terraform
2 50 (11.14%) Ansible
3 41 (9.13%) Microsoft Intune
4 33 (7.35%) Kubernetes
5 19 (4.23%) Grafana
5 19 (4.23%) SCCM
6 17 (3.79%) Single Sign-On
7 15 (3.34%) Prometheus
8 13 (2.90%) FortiGate
9 11 (2.45%) Autotask
10 9 (2.00%) CSIRT
10 9 (2.00%) Nagios
11 8 (1.78%) Nessus
12 7 (1.56%) Cisco CUCM
12 7 (1.56%) Computer Emergency Response Teams
12 7 (1.56%) SCOM
12 7 (1.56%) VxRail
13 6 (1.34%) CASB
13 6 (1.34%) vCenter Server
14 3 (0.67%) Failover Clustering
Vendors
1 166 (36.97%) Cisco
2 164 (36.53%) Microsoft
3 105 (23.39%) VMware
4 70 (15.59%) SolarWinds
5 61 (13.59%) CheckPoint
5 61 (13.59%) Fortinet
6 49 (10.91%) Meraki
7 47 (10.47%) Palo Alto
8 27 (6.01%) Juniper
9 26 (5.79%) F5
10 21 (4.68%) Citrix
11 20 (4.45%) Splunk
12 18 (4.01%) Infoblox
13 16 (3.56%) Google
13 16 (3.56%) Red Hat
14 15 (3.34%) Arista
14 15 (3.34%) Zscaler
15 14 (3.12%) Dynatrace
16 12 (2.67%) Commvault
16 12 (2.67%) NetApp