Firewall Jobs in Croydon

Firewall
South London > Croydon

The table below provides summary statistics for permanent job vacancies advertised in Croydon requiring Firewall skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited Firewall over the 6 months leading up to 4 May 2025, comparing them to the same period in the previous two years.

6 months to
4 May 2025
Same period 2024 Same period 2023
Rank 34 48 31
Rank change year-on-year +14 -17 +27
Permanent jobs citing Firewall 11 4 7
As % of all permanent jobs advertised in Croydon 5.98% 1.89% 3.47%
As % of the Communications & Networking category 61.11% 17.39% 18.42%
Number of salaries quoted 6 4 6
10th Percentile - - £51,250
25th Percentile £58,016 £23,000 £55,625
Median annual salary (50th Percentile) £61,644 £26,000 £65,000
Median % change year-on-year +137.09% -60.00% +13.04%
75th Percentile £73,506 £29,000 -
90th Percentile £78,125 - £66,875
South London median annual salary £55,000 £44,000 £52,500
% change year-on-year +25.00% -16.19% -

All Communications and Computer Networking Skills
Croydon

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 Croydon.

Permanent vacancies with a requirement for communications or computer networking skills 18 23 38
As % of all permanent jobs advertised in Croydon 9.78% 10.85% 18.81%
Number of salaries quoted 7 12 30
10th Percentile £55,810 - £38,950
25th Percentile £58,016 £23,000 £45,625
Median annual salary (50th Percentile) £61,644 £28,001 £58,750
Median % change year-on-year +120.15% -52.34% +55.63%
75th Percentile £70,761 £56,188 £65,000
90th Percentile £77,750 £59,750 £69,875
South London median annual salary £51,500 £44,000 £50,000
% change year-on-year +17.05% -12.00% +53.85%

Firewall
Job Vacancy Trend in Croydon

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

Job vacancy trend for Firewall in Croydon

Firewall
Salary Trend in Croydon

3-month moving average salary quoted in jobs citing Firewall in Croydon.

Salary trend for Firewall in Croydon

Firewall
Salary Histogram in Croydon

Salary distribution for jobs citing Firewall in Croydon over the 6 months to 4 May 2025.

Salary histogram for Firewall in Croydon

Firewall
Co-occurring Skills and Capabilities in Croydon 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 1 (9.09%) Confluence
Applications
1 4 (36.36%) Mozilla Thunderbird
Cloud Services
1 9 (81.82%) AWS
2 6 (54.55%) Azure
3 4 (36.36%) Amazon ECS
3 4 (36.36%) Amazon GuardDuty
3 4 (36.36%) Amazon S3
3 4 (36.36%) AWS KMS
3 4 (36.36%) AWS Lambda
3 4 (36.36%) Serverless
3 4 (36.36%) Virtual Private Cloud
4 2 (18.18%) Azure Data Factory
4 2 (18.18%) Azure Monitor
4 2 (18.18%) Azure Sentinel
4 2 (18.18%) Cloud Computing
4 2 (18.18%) Entra ID
4 2 (18.18%) IaaS
4 2 (18.18%) Microsoft 365
4 2 (18.18%) Microsoft Purview
4 2 (18.18%) PaaS
Communications & Networking
1 5 (45.45%) SSL
1 5 (45.45%) VLAN
2 4 (36.36%) BGP
2 4 (36.36%) HSRP
3 3 (27.27%) SAN
4 2 (18.18%) NAS
4 2 (18.18%) SD-WAN
4 2 (18.18%) VPN
4 2 (18.18%) WAN
5 1 (9.09%) DHCP
5 1 (9.09%) DNS
5 1 (9.09%) HTTP
5 1 (9.09%) OpenLDAP
Development Applications
1 5 (45.45%) Jenkins
2 4 (36.36%) Bitbucket Server
3 1 (9.09%) Git
3 1 (9.09%) JIRA
3 1 (9.09%) Maven
3 1 (9.09%) Sonatype Nexus
General
1 4 (36.36%) Social Skills
2 2 (18.18%) Legal
Job Titles
1 7 (63.64%) Infrastructure Engineer
2 5 (45.45%) DevOps Engineer
3 4 (36.36%) Network Engineer
3 4 (36.36%) Network Infrastructure Engineer
4 2 (18.18%) Lead
4 2 (18.18%) Lead Infrastructure Engineer
4 2 (18.18%) Lead Network Engineer
4 2 (18.18%) Security Engineer
4 2 (18.18%) Senior
4 2 (18.18%) Senior Infrastructure Engineer
4 2 (18.18%) Senior Network Engineer
5 1 (9.09%) Azure Engineer
5 1 (9.09%) Azure Security Engineer
5 1 (9.09%) Cloud Engineer
5 1 (9.09%) Cloud Security Engineer
5 1 (9.09%) DevOps Systems Engineer
5 1 (9.09%) Linux DevOps Engineer
5 1 (9.09%) Linux Systems Engineer
5 1 (9.09%) Linux/Unix DevOps
5 1 (9.09%) Systems Engineer
Libraries, Frameworks & Software Standards
1 1 (9.09%) LDAP
1 1 (9.09%) YAML
Miscellaneous
1 4 (36.36%) Data Centre
2 2 (18.18%) PKI
2 2 (18.18%) Replication
Operating Systems
1 5 (45.45%) Linux
1 5 (45.45%) Ubuntu
2 3 (27.27%) Windows
3 2 (18.18%) Windows Server
3 2 (18.18%) Windows Server 2019
4 1 (9.09%) CentOS
4 1 (9.09%) Debian
Processes & Methodologies
1 9 (81.82%) Infrastructure Engineering
2 6 (54.55%) Technical Leadership
3 5 (45.45%) Agile
3 5 (45.45%) Capacity Management
3 5 (45.45%) DevOps
3 5 (45.45%) Patch Management
4 4 (36.36%) Continuous Improvement
4 4 (36.36%) Decision-Making
4 4 (36.36%) Key Management
4 4 (36.36%) Network Design
5 2 (18.18%) Cloud Security
5 2 (18.18%) Cyber Resilience
5 2 (18.18%) Incident Response
5 2 (18.18%) Infrastructure as Code
5 2 (18.18%) IT Strategy
5 2 (18.18%) Log Analytics
5 2 (18.18%) Network Segmentation
5 2 (18.18%) Security Monitoring
5 2 (18.18%) SOAR
5 2 (18.18%) Zero Trust
Programming Languages
1 5 (45.45%) Python
1 5 (45.45%) Shell Script
2 2 (18.18%) PowerShell
Qualifications
1 9 (81.82%) Security Cleared
2 7 (63.64%) SC Cleared
3 4 (36.36%) CCNP
3 4 (36.36%) Cisco Certification
Quality Assurance & Compliance
1 4 (36.36%) QA
2 2 (18.18%) Cyber Essentials
2 2 (18.18%) Cyber Essentials PLUS
2 2 (18.18%) GDPR
2 2 (18.18%) ISO/IEC 27001
2 2 (18.18%) NIST
System Software
1 6 (54.55%) Active Directory
2 5 (45.45%) Docker
3 4 (36.36%) Virtual Desktop
3 4 (36.36%) Virtual Machines
4 2 (18.18%) Hyper-V
4 2 (18.18%) VMware Infrastructure
Systems Management
1 6 (54.55%) Terraform
2 5 (45.45%) Nessus
3 4 (36.36%) Ansible
3 4 (36.36%) Proxmox
4 2 (18.18%) Microsoft Intune
5 1 (9.09%) Puppet
Vendors
1 4 (36.36%) Juniper
2 3 (27.27%) VMware
3 2 (18.18%) Cisco
3 2 (18.18%) Dell
3 2 (18.18%) EMC
3 2 (18.18%) Microsoft
3 2 (18.18%) Palo Alto
3 2 (18.18%) SonicWALL
4 1 (9.09%) Sophos