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 27 January 2026, with comparisons to the same periods in the previous two years.

6 months to
27 Jan 2026
Same period 2025 Same period 2024
Rank 93 69 70
Rank change year-on-year -24 +1 +33
Permanent jobs citing Firewall 427 644 830
As % of all permanent jobs in London 2.91% 4.18% 4.06%
As % of the Communications & Networking category 23.92% 32.62% 32.11%
Number of salaries quoted 304 432 708
10th Percentile £32,500 £40,000 £41,250
25th Percentile £41,688 £57,500 £52,500
Median annual salary (50th Percentile) £70,000 £72,500 £65,000
Median % change year-on-year -3.45% +11.54% +4.00%
75th Percentile £87,500 £90,000 £80,000
90th Percentile £98,750 £105,000 £97,500
England median annual salary £47,500 £55,000 £50,000
% change year-on-year -13.64% +10.00% -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 1,785 1,974 2,585
As % of all permanent jobs advertised in London 12.14% 12.82% 12.64%
Number of salaries quoted 934 1,094 2,034
10th Percentile £28,697 £36,250 £32,750
25th Percentile £37,750 £50,000 £46,250
Median annual salary (50th Percentile) £60,000 £67,500 £65,000
Median % change year-on-year -11.11% +3.85% +4.00%
75th Percentile £85,000 £85,000 £81,250
90th Percentile £107,500 £105,000 £97,500
England median annual salary £40,000 £55,000 £50,000
% change year-on-year -27.27% +10.00% -4.18%

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 27 January 2026.

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 27 January 2026. 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 -12 74 £80,000 -1.54% 23
East London +9 23 £35,000 - 11
West London +8 14 £72,500 +26.09% 7
South London +28 9 £46,000 -24.37% 5
North London +12 8 £75,000 +50.00% 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 36 (8.43%) Microsoft Exchange
2 25 (5.85%) SharePoint
3 5 (1.17%) Apache
4 4 (0.94%) Confluence
5 2 (0.47%) Apache Airflow
5 2 (0.47%) nginx
6 1 (0.23%) IIS
Applications
1 9 (2.11%) Microsoft Office
2 8 (1.87%) MS Visio
3 1 (0.23%) Adobe Creative Suite
3 1 (0.23%) Microsoft Project
Business Applications
1 2 (0.47%) Fidessa
2 1 (0.23%) Dynamics CRM
2 1 (0.23%) Elite 3E
Cloud Services
1 252 (59.02%) Azure
2 128 (29.98%) Microsoft 365
3 92 (21.55%) AWS
4 63 (14.75%) Entra ID
5 32 (7.49%) SaaS
6 31 (7.26%) GCP
7 22 (5.15%) IaaS
8 21 (4.92%) PaaS
9 20 (4.68%) Azure DevOps
9 20 (4.68%) Datadog
10 19 (4.45%) GitHub
11 18 (4.22%) Azure ExpressRoute
11 18 (4.22%) Azure Monitor
12 15 (3.51%) Azure Sentinel
12 15 (3.51%) GitHub Actions
13 12 (2.81%) Azure Key Vault
14 11 (2.58%) Azure AKS
15 10 (2.34%) AWS CloudFormation
15 10 (2.34%) AWS Direct Connect
15 10 (2.34%) Google Workspace
Communications & Networking
1 164 (38.41%) VPN
2 124 (29.04%) WAN
3 98 (22.95%) LAN
4 93 (21.78%) Wi-Fi
5 69 (16.16%) DNS
6 66 (15.46%) Network Security
7 62 (14.52%) SD-WAN
7 62 (14.52%) VLAN
8 57 (13.35%) Wireless
9 54 (12.65%) DHCP
10 52 (12.18%) TCP/IP
11 41 (9.60%) BGP
12 39 (9.13%) OSPF
13 33 (7.73%) Cisco ASA
14 23 (5.39%) Cisco Firepower
15 21 (4.92%) Intrusion Detection
15 21 (4.92%) SAN
15 21 (4.92%) VoIP
16 20 (4.68%) MPLS
16 20 (4.68%) WLAN
Database & Business Intelligence
1 25 (5.85%) SQL Server
2 9 (2.11%) Power BI
3 4 (0.94%) Azure SQL Database
4 3 (0.70%) Amazon RDS
4 3 (0.70%) MySQL
5 2 (0.47%) Data Lake
5 2 (0.47%) Metadata
5 2 (0.47%) MongoDB
5 2 (0.47%) PostgreSQL
Development Applications
1 11 (2.58%) Git
2 8 (1.87%) Chocolatey
3 6 (1.41%) Jenkins
4 5 (1.17%) GitLab
4 5 (1.17%) JIRA
5 4 (0.94%) Sonatype Nexus
5 4 (0.94%) TeamCity
6 2 (0.47%) Jaeger
6 2 (0.47%) MLflow
7 1 (0.23%) Burp Suite
General
1 132 (30.91%) Finance
2 124 (29.04%) Social Skills
3 49 (11.48%) Analytical Skills
4 34 (7.96%) Banking
5 25 (5.85%) Telecoms
6 15 (3.51%) Documentation Skills
6 15 (3.51%) Legal
7 12 (2.81%) Law
8 10 (2.34%) Financial Institution
9 9 (2.11%) Manufacturing
10 8 (1.87%) Influencing Skills
10 8 (1.87%) Retail
11 7 (1.64%) Inclusion and Diversity
11 7 (1.64%) Marketing
12 6 (1.41%) Organisational Skills
12 6 (1.41%) Public Sector
13 5 (1.17%) Aviation
14 4 (0.94%) Advertising
14 4 (0.94%) Back Office
14 4 (0.94%) Billing
Job Titles
1 111 (26.00%) Network Engineer
2 71 (16.63%) Senior
3 69 (16.16%) Infrastructure Engineer
4 62 (14.52%) Analyst
5 52 (12.18%) Support Engineer
6 48 (11.24%) IT Engineer
7 44 (10.30%) Cloud Engineer
7 44 (10.30%) IT Support
8 41 (9.60%) Azure Engineer
9 32 (7.49%) Cisco Engineer
10 28 (6.56%) Cisco Network Engineer
10 28 (6.56%) Support Analyst
11 26 (6.09%) IT Support Engineer
12 24 (5.62%) Security Analyst
13 22 (5.15%) Platform Engineer
13 22 (5.15%) Senior Infrastructure Engineer
14 21 (4.92%) IT Analyst
15 20 (4.68%) AWS Engineer
15 20 (4.68%) Security Engineer
16 19 (4.45%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 11 (2.58%) ADO
1 11 (2.58%) OAuth
1 11 (2.58%) SAML
1 11 (2.58%) YAML
2 7 (1.64%) .NET
3 4 (0.94%) 802.1X
3 4 (0.94%) RESTful
4 3 (0.70%) Microsoft Graph
5 2 (0.47%) AWS SAM
5 2 (0.47%) Elastic Stack
5 2 (0.47%) FastAPI
5 2 (0.47%) FIX Protocol
5 2 (0.47%) Kafka
5 2 (0.47%) Keycloak
5 2 (0.47%) WebRTC
6 1 (0.23%) REST
Miscellaneous
1 62 (14.52%) Data Centre
2 34 (7.96%) Management Information System
3 25 (5.85%) Hybrid Cloud
4 22 (5.15%) Cyber Threat
5 21 (4.92%) Cloud Native
6 19 (4.45%) Driving Licence
6 19 (4.45%) Onboarding
7 16 (3.75%) Security Posture
8 14 (3.28%) Enterprise Software
9 12 (2.81%) Foreign Exchange (FX)
9 12 (2.81%) Self-Motivation
10 9 (2.11%) PKI
11 8 (1.87%) Analytical Mindset
11 8 (1.87%) IoT
11 8 (1.87%) Public Cloud
11 8 (1.87%) Virtual Team
12 7 (1.64%) Private Cloud
13 6 (1.41%) Cyber Security Posture
13 6 (1.41%) Legacy Applications
13 6 (1.41%) Security Operations Centre
Operating Systems
1 140 (32.79%) Windows
2 65 (15.22%) Linux
3 60 (14.05%) Windows Server
4 26 (6.09%) VMS
5 19 (4.45%) Windows 10
6 16 (3.75%) Mac OS
6 16 (3.75%) Windows Server 2019
7 14 (3.28%) Unix
8 13 (3.04%) Ubuntu
9 11 (2.58%) Windows Server 2016
10 8 (1.87%) CentOS
10 8 (1.87%) Red Hat Enterprise Linux
11 4 (0.94%) Mac OS X
12 3 (0.70%) Android
13 2 (0.47%) Apple iOS
13 2 (0.47%) Debian
13 2 (0.47%) Kali Linux
13 2 (0.47%) Solaris
14 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 95 (22.25%) Cybersecurity
2 93 (21.78%) Problem-Solving
3 86 (20.14%) Incident Response
4 82 (19.20%) Infrastructure Engineering
5 71 (16.63%) Disaster Recovery
6 61 (14.29%) Infrastructure as Code
7 60 (14.05%) SIEM
8 56 (13.11%) Computer Science
9 51 (11.94%) Zero Trust
10 50 (11.71%) Migration
11 49 (11.48%) ITIL
12 48 (11.24%) DevOps
13 46 (10.77%) Cloud Security
14 43 (10.07%) Continuous Improvement
14 43 (10.07%) Information Security
15 41 (9.60%) Customer Service
16 40 (9.37%) Security Operations
17 38 (8.90%) High Availability
18 37 (8.67%) CI/CD
19 36 (8.43%) Kalman Filter
Programming Languages
1 78 (18.27%) PowerShell
2 68 (15.93%) Python
3 23 (5.39%) Bash
4 19 (4.45%) SQL
5 15 (3.51%) Kusto Query Language
6 14 (3.28%) Bicep
7 6 (1.41%) Go
8 4 (0.94%) Java
9 2 (0.47%) JavaScript
9 2 (0.47%) Shell Script
10 1 (0.23%) C#
10 1 (0.23%) VB.NET
Qualifications
1 87 (20.37%) Degree
2 86 (20.14%) Cisco Certification
3 66 (15.46%) CCNP
4 52 (12.18%) CISSP
5 39 (9.13%) CCNA
6 35 (8.20%) CCIE
7 34 (7.96%) Computer Science Degree
8 28 (6.56%) CISM
9 27 (6.32%) Azure Certification
10 22 (5.15%) Security Cleared
11 20 (4.68%) Microsoft Certification
12 19 (4.45%) Network+ Certification
13 17 (3.98%) AWS Certification
13 17 (3.98%) DBS Check
14 15 (3.51%) CCSA
14 15 (3.51%) CCSE
15 13 (3.04%) CompTIA Security+
16 12 (2.81%) HND
17 11 (2.58%) CISA
17 11 (2.58%) SC Cleared
Quality Assurance & Compliance
1 79 (18.50%) ISO/IEC 27001
2 49 (11.48%) GDPR
3 41 (9.60%) NIST
4 26 (6.09%) Cyber Essentials
5 20 (4.68%) PCI DSS
6 17 (3.98%) SOC 2
7 13 (3.04%) Cyber Essentials PLUS
8 8 (1.87%) SLA
9 6 (1.41%) GRC
10 4 (0.94%) PMO
11 3 (0.70%) ITGC
11 3 (0.70%) Sarbanes-Oxley
12 2 (0.47%) Accessibility
12 2 (0.47%) Basel III
12 2 (0.47%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
12 2 (0.47%) MiFID
13 1 (0.23%) Government Security Classifications
13 1 (0.23%) JSP 440
13 1 (0.23%) NIST 800
13 1 (0.23%) QA
System Software
1 141 (33.02%) Active Directory
2 42 (9.84%) VMware Infrastructure
3 22 (5.15%) Firmware
3 22 (5.15%) Virtual Machines
4 19 (4.45%) Docker
5 17 (3.98%) Hyper-V
6 11 (2.58%) Virtual Desktop
7 10 (2.34%) vSphere
8 6 (1.41%) NFS
8 6 (1.41%) VMware ESXi
9 5 (1.17%) KVM
10 3 (0.70%) XenApp
10 3 (0.70%) XenDesktop
11 2 (0.47%) ProxySG
12 1 (0.23%) VMware Server
Systems Management
1 74 (17.33%) Terraform
2 62 (14.52%) Microsoft Intune
3 53 (12.41%) Ansible
4 38 (8.90%) Kubernetes
5 28 (6.56%) FortiGate
6 27 (6.32%) SCCM
7 11 (2.58%) CASB
8 10 (2.34%) Grafana
8 10 (2.34%) Prometheus
9 8 (1.87%) Single Sign-On
10 7 (1.64%) Argo
10 7 (1.64%) Autotask
11 5 (1.17%) CSIRT
11 5 (1.17%) Docker Swarm
11 5 (1.17%) Istio
11 5 (1.17%) linkerd
11 5 (1.17%) Mesos
11 5 (1.17%) Nessus
11 5 (1.17%) SCOM
12 4 (0.94%) Cilium
Vendors
1 158 (37.00%) Microsoft
2 145 (33.96%) Cisco
3 74 (17.33%) Palo Alto
3 74 (17.33%) VMware
4 62 (14.52%) Fortinet
5 55 (12.88%) CheckPoint
6 47 (11.01%) Meraki
7 37 (8.67%) SolarWinds
8 32 (7.49%) Juniper
9 19 (4.45%) Zscaler
10 18 (4.22%) Dynatrace
11 17 (3.98%) Google
12 13 (3.04%) Arista
12 13 (3.04%) F5
13 12 (2.81%) ServiceNow
14 11 (2.58%) AppDynamics
14 11 (2.58%) Splunk
15 10 (2.34%) Red Hat
15 10 (2.34%) Tenable
16 9 (2.11%) Citrix