The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Firewall skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Firewall over the 3 months to 27 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Firewall
London / Croydon
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 7 27 23
Rank change year-on-year +20 -4  
Contract jobs citing Firewall 24 10 2
As % of all contract IT jobs advertised in Croydon 14.37% 3.66% 1.71%
As % of the Communications & Networking category 60.00% 27.03% 6.06%
Number of daily rates quoted 11 6 1
Median daily rate £470 £375 £500
Median daily rate % change year-on-year +25.33% -25.00%  
UK excluding London median daily rate £375 £375 £375
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £19.44 £20.63 £27.50
% change year-on-year -5.75% -25.00%  

Firewall is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
Croydon
Contract job vacancies with a requirement for communications and computer networking skills 40 37 33
As % of all contract IT job vacancies advertised in Croydon 23.95% 13.55% 28.21%
Number of daily rates quoted 24 27 29
Median daily rate £463 £375 £400
Median daily rate % change year-on-year +23.33% -6.25%  
90% offered a daily rate of more than £413 £250 £125
10% offered a daily rate of more than £550 £463 £500
UK excluding London median daily rate £375 £363 £347
% change year-on-year +3.44% +4.32%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £20.00
UK excluding London median hourly rate £22.50 £37.00 £30.00
% change year-on-year -39.18% +23.33%  

Firewall
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon citing Firewall as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for Firewall in Croydon

Firewall
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Firewall in Croydon.

Contractor daily rate trend for Firewall in Croydon

Firewall
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Firewall in Croydon over the 3 months to 27 March 2017.

Contractor daily rate histogram for Firewall in Croydon

Firewall
Contractor Hourly Rate Trend in Croydon

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Firewall in Croydon.

Contractor hourly rate trend for Firewall in Croydon

Firewall
Top 30 Co-occurring IT Skills in Croydon

For the 6 months to 27 March 2017, IT contractor jobs citing Firewall also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for Firewall.

1 46 (68.66%) Security Cleared
2 42 (62.69%) SC Cleared
3 37 (55.22%) VMware
4 30 (44.78%) Puppet
5 27 (40.30%) VPN
6 25 (37.31%) Jenkins
7 24 (35.82%) Docker
7 24 (35.82%) Cisco
8 22 (32.84%) DNS
8 22 (32.84%) WAN
8 22 (32.84%) VMware Infrastructure
8 22 (32.84%) DevOps
8 22 (32.84%) Ansible
9 21 (31.34%) LDAP
10 20 (29.85%) Kubernetes
10 20 (29.85%) Bash Shell
11 18 (26.87%) yum
12 17 (25.37%) Amazon AWS
12 17 (25.37%) Continuous Integration
12 17 (25.37%) LAN
12 17 (25.37%) PostgreSQL
13 16 (23.88%) Linux
14 15 (22.39%) Oracle
14 15 (22.39%) Atlassian
14 15 (22.39%) Terraform
14 15 (22.39%) Security Operations
15 14 (20.90%) Windows Server
15 14 (20.90%) ZABBIX
15 14 (20.90%) Windows
15 14 (20.90%) JIRA

Firewall
Co-occurring IT Skills in Croydon by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 12 (17.91%) Apache
1 12 (17.91%) nginx
2 6 (8.96%) CMS
2 6 (8.96%) MS Exchange
3 5 (7.46%) Exchange Server 2007
3 5 (7.46%) Exchange Server 2010
3 5 (7.46%) Exchange Server 2013
4 4 (5.97%) Confluence
5 1 (1.49%) Jetty
5 1 (1.49%) Mule ESB
5 1 (1.49%) Tomcat
5 1 (1.49%) WildFly
Applications
1 6 (8.96%) MS Visio
Business Applications
1 6 (8.96%) Payment Gateway
Cloud Services
1 17 (25.37%) Amazon AWS
2 8 (11.94%) Microsoft Azure
3 5 (7.46%) Azure Active Directory
Communications & Networking
1 27 (40.30%) VPN
2 22 (32.84%) DNS
2 22 (32.84%) WAN
3 21 (31.34%) LDAP
4 17 (25.37%) LAN
5 11 (16.42%) MPLS
5 11 (16.42%) SSL
6 10 (14.93%) SNMP
7 9 (13.43%) TCP/IP
8 7 (10.45%) Cisco ASA
8 7 (10.45%) Wireless
9 6 (8.96%) Intrusion Detection
9 6 (8.96%) Network Security
10 5 (7.46%) Remote Desktop
10 5 (7.46%) VLAN
11 4 (5.97%) Cisco Nexus
11 4 (5.97%) Reverse Proxy
12 3 (4.48%) VoIP
13 2 (2.99%) BIG-IP
13 2 (2.99%) Internet
Database & Business Intelligence
1 17 (25.37%) PostgreSQL
2 13 (19.40%) Oracle Database
2 13 (19.40%) Oracle Database 11g
3 11 (16.42%) Hadoop
4 5 (7.46%) Amazon RDS
5 1 (1.49%) MySQL
5 1 (1.49%) NoSQL
Development Applications
1 25 (37.31%) Jenkins
2 14 (20.90%) JIRA
3 13 (19.40%) Git (software)
4 10 (14.93%) Bitbucket
5 9 (13.43%) Maven
6 3 (4.48%) Sonatype Nexus
6 3 (4.48%) Vagrant
7 1 (1.49%) Gerrit
7 1 (1.49%) GitLab
7 1 (1.49%) Mercurial
General
1 1 (1.49%) Finance
1 1 (1.49%) Legal
Job Titles
1 17 (25.37%) Architect
2 11 (16.42%) Cloud Architect
2 11 (16.42%) Network Engineer
3 8 (11.94%) Administrator
3 8 (11.94%) AWS Architect
3 8 (11.94%) Consultant
3 8 (11.94%) Linux Administrator
3 8 (11.94%) Linux Systems Administrator
4 7 (10.45%) DevOps Consultant
4 7 (10.45%) Security Consultant
4 7 (10.45%) Systems Administrator
5 6 (8.96%) Avaya Engineer
5 6 (8.96%) Cloud Infrastructure Architect
5 6 (8.96%) Infrastructure Architect
5 6 (8.96%) VMWare Administrator
6 5 (7.46%) Active Directory Architect
6 5 (7.46%) Technical Architect
6 5 (7.46%) Web Architect
7 4 (5.97%) SC Cleared Network Engineer
7 4 (5.97%) Senior VMWare Administrator
Libraries, Frameworks & Software Standards
1 12 (17.91%) Oracle GoldenGate
2 10 (14.93%) Elastic Stack
3 5 (7.46%) Web Services
4 3 (4.48%) 802.1X
4 3 (4.48%) Software Packaging
5 1 (1.49%) LAMP
5 1 (1.49%) LAPP Stack
5 1 (1.49%) LEMP Stack
5 1 (1.49%) RabbitMQ
Miscellaneous
1 12 (17.91%) PKI
2 8 (11.94%) Data Centre
3 6 (8.96%) Foreign Exchange (FX)
3 6 (8.96%) IVR
4 5 (7.46%) Clustering
4 5 (7.46%) Management Information System
4 5 (7.46%) Replication
5 4 (5.97%) Spread Betting
6 3 (4.48%) Analytical Skills
7 2 (2.99%) Computer Science
8 1 (1.49%) Algorithms
Operating Systems
1 16 (23.88%) Linux
2 14 (20.90%) Windows
2 14 (20.90%) Windows Server
3 11 (16.42%) CentOS
3 11 (16.42%) Red Hat Enterprise Linux
4 9 (13.43%) Ubuntu
5 5 (7.46%) Unix
5 5 (7.46%) Windows Server 2003
5 5 (7.46%) Windows Server 2008
5 5 (7.46%) Windows Server 2012
Processes & Methodologies
1 22 (32.84%) DevOps
2 17 (25.37%) Continuous Integration
3 15 (22.39%) Security Operations
4 12 (17.91%) Server Building
5 11 (16.42%) Identity Access Management
6 8 (11.94%) Agile Software Development
7 7 (10.45%) Continuous Delivery
8 6 (8.96%) CRM
8 6 (8.96%) ITIL
8 6 (8.96%) Kalman Filter
8 6 (8.96%) Load Balancing
8 6 (8.96%) Project Management
8 6 (8.96%) SIEM
8 6 (8.96%) Vulnerability Management
9 5 (7.46%) Disaster Recovery
9 5 (7.46%) High Availability
9 5 (7.46%) Migration
9 5 (7.46%) Network Management
9 5 (7.46%) Scrum
10 3 (4.48%) Network Architecture
Programming Languages
1 20 (29.85%) Bash Shell
2 11 (16.42%) Python
3 10 (14.93%) Java
4 7 (10.45%) C
5 5 (7.46%) PowerShell
6 1 (1.49%) Perl
Qualifications
1 46 (68.66%) Security Cleared
2 42 (62.69%) SC Cleared
3 10 (14.93%) CCIE
3 10 (14.93%) Cisco Certification
4 7 (10.45%) CCNA
4 7 (10.45%) CCNP
5 6 (8.96%) DV Cleared
6 5 (7.46%) BPSS Clearance
6 5 (7.46%) Microsoft Certification
7 4 (5.97%) MCITP
7 4 (5.97%) MCP
7 4 (5.97%) MCSE
8 3 (4.48%) CCDP
9 2 (2.99%) Degree
10 1 (1.49%) BC Cleared
10 1 (1.49%) MCSA
10 1 (1.49%) PRINCE2 Certification
Quality Assurance & Compliance
1 7 (10.45%) PCI DSS
2 6 (8.96%) ISO/IEC 27001
3 2 (2.99%) SLA
4 1 (1.49%) Government Security Classifications
4 1 (1.49%) QA
4 1 (1.49%) RMADS
System Software
1 24 (35.82%) Docker
2 22 (32.84%) VMware Infrastructure
3 9 (13.43%) KVM
4 8 (11.94%) VMware ESX
5 6 (8.96%) Active Directory
5 6 (8.96%) vSphere
6 5 (7.46%) Terminal Services
7 4 (5.97%) VMware ESXi
8 3 (4.48%) vCloud
8 3 (4.48%) Virtual Machines
9 2 (2.99%) ProxySG
10 1 (1.49%) Xen
Systems Management
1 30 (44.78%) Puppet
2 22 (32.84%) Ansible
3 20 (29.85%) Kubernetes
4 18 (26.87%) yum
5 15 (22.39%) Terraform
6 14 (20.90%) ZABBIX
7 10 (14.93%) Consul
7 10 (14.93%) Packer
7 10 (14.93%) Rsyslog
8 8 (11.94%) FortiGate
9 7 (10.45%) Rancher
10 6 (8.96%) Nessus
10 6 (8.96%) Network Intrusion Detection System
11 3 (4.48%) Forum Sentry
12 1 (1.49%) HAProxy
12 1 (1.49%) Kibana
12 1 (1.49%) logstash
Vendors
1 37 (55.22%) VMware
2 24 (35.82%) Cisco
3 15 (22.39%) Atlassian
3 15 (22.39%) Oracle
4 11 (16.42%) F5
4 11 (16.42%) Juniper
5 10 (14.93%) AppDynamics
5 10 (14.93%) CA
6 9 (13.43%) AlienVault
6 9 (13.43%) Red Hat
7 8 (11.94%) Palo Alto
8 7 (10.45%) CheckPoint
9 6 (8.96%) Avaya
9 6 (8.96%) Fortinet
9 6 (8.96%) Microsoft
9 6 (8.96%) Salesforce.com
10 2 (2.99%) Blue Coat
10 2 (2.99%) Citrix
10 2 (2.99%) FireEye
10 2 (2.99%) Sourcefire