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 25 June 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
25 Jun 2017
Same period 2016 Same period 2015
Rank 28 20 25
Rank change year-on-year -8 +5  
Contract jobs citing Firewall 14 22 4
As % of all contract IT jobs advertised in Croydon 7.18% 9.09% 2.86%
As % of the Communications & Networking category 33.33% 47.83% 11.76%
Number of daily rates quoted 13 13 4
Median daily rate £463 £433 £406
Median daily rate % change year-on-year +6.81% +6.58%  
UK excluding London median daily rate £395 £375 £350
% change year-on-year +5.33% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £31.93 £35.25 £23.50
% change year-on-year -9.43% +50.00%  

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 42 46 34
As % of all contract IT job vacancies advertised in Croydon 21.54% 19.01% 24.29%
Number of daily rates quoted 22 25 25
Median daily rate £463 £393 £350
Median daily rate % change year-on-year +17.83% +12.14%  
90% offered a daily rate of more than £400 £380 £230
10% offered a daily rate of more than £471 £480 £448
UK excluding London median daily rate £375 £365 £340
% change year-on-year +2.73% +7.35%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £32.00 -
UK excluding London median hourly rate £28.00 £31.50 £25.00
% change year-on-year -11.11% +26.00%  

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 Hourly Rate Trend in Croydon

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

Contractor hourly rate trend for Firewall in Croydon

For the 6 months to 25 June 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 28 (71.79%) VMware
1 28 (71.79%) SC Cleared
1 28 (71.79%) Security Cleared
2 25 (64.10%) VMware Infrastructure
3 22 (56.41%) Linux
4 20 (51.28%) Windows
4 20 (51.28%) DNS
4 20 (51.28%) Windows Server
5 19 (48.72%) CentOS
5 19 (48.72%) Ubuntu
6 18 (46.15%) yum
6 18 (46.15%) Puppet
7 17 (43.59%) LDAP
7 17 (43.59%) VMware ESXi
8 16 (41.03%) KVM
9 15 (38.46%) Red Hat
10 14 (35.90%) Bash Shell
11 12 (30.77%) Red Hat Enterprise Linux
11 12 (30.77%) Data Centre
12 11 (28.21%) F5
13 9 (23.08%) Server Building
14 8 (20.51%) MPLS
14 8 (20.51%) Cisco
14 8 (20.51%) WAN
15 7 (17.95%) VPN
15 7 (17.95%) Amazon AWS
15 7 (17.95%) DevOps
16 6 (15.38%) Payment Gateway
16 6 (15.38%) Virtual Machines
16 6 (15.38%) Microsoft Azure

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 6 (15.38%) CMS
2 3 (7.69%) Apache
3 2 (5.13%) Exchange Server 2007
3 2 (5.13%) Exchange Server 2010
3 2 (5.13%) Exchange Server 2013
3 2 (5.13%) MS Exchange
4 1 (2.56%) Confluence
4 1 (2.56%) Jetty
4 1 (2.56%) nginx
4 1 (2.56%) Tomcat
4 1 (2.56%) WildFly
Applications
1 6 (15.38%) MS Visio
Business Applications
1 6 (15.38%) Payment Gateway
Cloud Services
1 7 (17.95%) Amazon AWS
2 6 (15.38%) Microsoft Azure
3 2 (5.13%) Azure Active Directory
Communications & Networking
1 20 (51.28%) DNS
2 17 (43.59%) LDAP
3 8 (20.51%) MPLS
3 8 (20.51%) WAN
4 7 (17.95%) VPN
5 5 (12.82%) LAN
6 4 (10.26%) SSL
6 4 (10.26%) Wireless
7 3 (7.69%) TCP/IP
8 2 (5.13%) BIG-IP
8 2 (5.13%) Internet
8 2 (5.13%) Network Security
8 2 (5.13%) Remote Desktop
8 2 (5.13%) SNMP
8 2 (5.13%) VLAN
9 1 (2.56%) Cisco ASA
9 1 (2.56%) Cisco Nexus
9 1 (2.56%) F5 BIG-IP LTM
9 1 (2.56%) IPsec
9 1 (2.56%) Reverse Proxy
Database & Business Intelligence
1 4 (10.26%) PostgreSQL
2 3 (7.69%) Hadoop
2 3 (7.69%) Oracle Database
2 3 (7.69%) Oracle Database 11g
3 2 (5.13%) Amazon RDS
Development Applications
1 4 (10.26%) Jenkins
2 3 (7.69%) JIRA
3 2 (5.13%) Bitbucket
4 1 (2.56%) Git (software)
4 1 (2.56%) Sonatype Nexus
4 1 (2.56%) Vagrant
General
1 1 (2.56%) Finance
1 1 (2.56%) Games
1 1 (2.56%) Legal
Job Titles
1 18 (46.15%) Administrator
1 18 (46.15%) Linux Administrator
1 18 (46.15%) Linux Systems Administrator
2 17 (43.59%) Systems Administrator
3 12 (30.77%) VMWare Administrator
4 6 (15.38%) Avaya Engineer
5 5 (12.82%) Architect
6 4 (10.26%) Infrastructure Engineer
6 4 (10.26%) Linux Engineer
6 4 (10.26%) Linux Systems Engineer
6 4 (10.26%) Systems Engineer
7 3 (7.69%) Cloud Architect
7 3 (7.69%) Network Engineer
7 3 (7.69%) Network Team Leader
7 3 (7.69%) Senior Linux Administrator
7 3 (7.69%) Senior Linux Systems Administrator
7 3 (7.69%) Senior Systems Administrator
7 3 (7.69%) Senior VMWare Administrator
7 3 (7.69%) Team Leader
8 2 (5.13%) Technical Architect
Libraries, Frameworks & Software Standards
1 3 (7.69%) 802.1X
2 2 (5.13%) Elastic Stack
2 2 (5.13%) Oracle GoldenGate
2 2 (5.13%) Web Services
3 1 (2.56%) Software Packaging
Miscellaneous
1 12 (30.77%) Data Centre
2 6 (15.38%) Foreign Exchange (FX)
2 6 (15.38%) IVR
2 6 (15.38%) Spread Betting
3 3 (7.69%) Analytical Skills
4 2 (5.13%) Clustering
4 2 (5.13%) PKI
4 2 (5.13%) Replication
5 1 (2.56%) Algorithms
5 1 (2.56%) Management Information System
Operating Systems
1 22 (56.41%) Linux
2 20 (51.28%) Windows
2 20 (51.28%) Windows Server
3 19 (48.72%) CentOS
3 19 (48.72%) Ubuntu
4 12 (30.77%) Red Hat Enterprise Linux
5 2 (5.13%) Unix
5 2 (5.13%) Windows Server 2003
5 2 (5.13%) Windows Server 2008
5 2 (5.13%) Windows Server 2012
Processes & Methodologies
1 9 (23.08%) Server Building
2 7 (17.95%) DevOps
3 6 (15.38%) CRM
4 5 (12.82%) Agile Software Development
5 4 (10.26%) Continuous Integration
5 4 (10.26%) Open Source
6 3 (7.69%) Load Balancing
6 3 (7.69%) Network Management
6 3 (7.69%) Scrum
6 3 (7.69%) Test Automation
6 3 (7.69%) User Stories
7 2 (5.13%) Agile Project Management
7 2 (5.13%) Coaching
7 2 (5.13%) Continuous Improvement
7 2 (5.13%) Disaster Recovery
7 2 (5.13%) High Availability
7 2 (5.13%) Identity Access Management
7 2 (5.13%) ITIL V3
7 2 (5.13%) Performance Improvement
7 2 (5.13%) Release Automation
Programming Languages
1 14 (35.90%) Bash Shell
2 4 (10.26%) C
3 2 (5.13%) Java
3 2 (5.13%) PowerShell
Qualifications
1 28 (71.79%) SC Cleared
1 28 (71.79%) Security Cleared
2 5 (12.82%) CCIE
2 5 (12.82%) Cisco Certification
3 3 (7.69%) BPSS Clearance
3 3 (7.69%) CCIE Wireless
4 2 (5.13%) CCNA
4 2 (5.13%) CCNP
4 2 (5.13%) MCITP
4 2 (5.13%) MCP
4 2 (5.13%) MCSE
4 2 (5.13%) Microsoft Certification
Quality Assurance & Compliance
1 2 (5.13%) SLA
System Software
1 25 (64.10%) VMware Infrastructure
2 17 (43.59%) VMware ESXi
3 16 (41.03%) KVM
4 6 (15.38%) Virtual Machines
5 4 (10.26%) iptables
6 3 (7.69%) Docker
7 2 (5.13%) Active Directory
7 2 (5.13%) ProxySG
7 2 (5.13%) Terminal Services
8 1 (2.56%) vCloud
8 1 (2.56%) Xen
Systems Management
1 18 (46.15%) Puppet
1 18 (46.15%) yum
2 5 (12.82%) FortiGate
3 3 (7.69%) Ansible
3 3 (7.69%) Kubernetes
3 3 (7.69%) Terraform
3 3 (7.69%) ZABBIX
4 2 (5.13%) Consul
4 2 (5.13%) Packer
4 2 (5.13%) Rsyslog
5 1 (2.56%) Forum Sentry
Vendors
1 28 (71.79%) VMware
2 15 (38.46%) Red Hat
3 11 (28.21%) F5
4 8 (20.51%) Cisco
5 6 (15.38%) Avaya
5 6 (15.38%) Fortinet
5 6 (15.38%) Juniper
5 6 (15.38%) Salesforce.com
6 5 (12.82%) CheckPoint
7 4 (10.26%) Palo Alto
8 3 (7.69%) Atlassian
8 3 (7.69%) Oracle
9 2 (5.13%) AppDynamics
9 2 (5.13%) Blue Coat
9 2 (5.13%) CA
9 2 (5.13%) Citrix
9 2 (5.13%) FireEye
9 2 (5.13%) Microsoft
9 2 (5.13%) Sourcefire
10 1 (2.56%) ForgeRock