Period
to 25 November 2017

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 6 months to 25 November 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
South London > Croydon
6 months to
25 Nov 2017
Same period 2016 Same period 2015
Rank 65 18 28
Rank change year-on-year -47 +10 +1
Contract jobs citing Firewall 32 66 23
As % of all contract IT jobs advertised in Croydon 3.61% 12.24% 6.71%
As % of the Communications & Networking category 23.36% 42.58% 34.85%
Number of daily rates quoted 23 32 13
Croydon median daily rate £400 £471 £425
Median daily rate % change year-on-year -15.12% +10.88% -17.07%
10th Percentile £363 £414 £278
90th Percentile £469 £539 £450
South London median daily rate £400 £470 £354
% change year-on-year -14.89% +32.64% +11.08%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £48.92 £50.00 £50.00
% change year-on-year -2.17% - +33.33%

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

All Communications and Computer Networking Skills
Croydon
Contract vacancies with a requirement for communications or computer networking skills 137 155 66
As % of all contract IT jobs advertised in Croydon 15.45% 28.76% 19.24%
Number of daily rates quoted 83 65 38
Croydon median daily rate £500 £450 £450
Median daily rate % change year-on-year +11.11% - -
10th Percentile £358 £310 £211
90th Percentile £698 £534 £529
South London median daily rate £475 £450 £350
% change year-on-year +5.56% +28.57% -0.71%
Number of hourly rates quoted 0 0 1
Croydon median hourly rate - - £13.50
South London median hourly rate £41.42 £44.00 £24.00
% change year-on-year -5.88% +83.33% +20.00%

Firewall
Job Vacancy Trend in Croydon

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

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 November 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 25 (78.13%) Security Cleared
2 24 (75.00%) SC Cleared
2 24 (75.00%) Linux
3 23 (71.88%) Puppet
4 22 (68.75%) VMware Infrastructure
4 22 (68.75%) VMware
5 18 (56.25%) Ubuntu
5 18 (56.25%) Windows
5 18 (56.25%) CentOS
5 18 (56.25%) Windows Server
6 17 (53.13%) Red Hat
7 16 (50.00%) DNS
8 15 (46.88%) Bash Shell
9 13 (40.63%) LDAP
10 12 (37.50%) Red Hat Enterprise Linux
11 11 (34.38%) yum
11 11 (34.38%) VMware ESXi
11 11 (34.38%) KVM
11 11 (34.38%) VPN
12 9 (28.13%) BGP
12 9 (28.13%) DevOps
13 8 (25.00%) Data Centre
13 8 (25.00%) Cisco ASA
13 8 (25.00%) Cisco
13 8 (25.00%) WAN
14 7 (21.88%) Spread Betting
14 7 (21.88%) Network Security
14 7 (21.88%) F5
14 7 (21.88%) Server Building
15 6 (18.75%) FTP

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 5 (15.63%) Apache
2 4 (12.50%) nginx
3 2 (6.25%) MQSeries
Cloud Services
1 4 (12.50%) Amazon AWS
1 4 (12.50%) Amazon EC2
1 4 (12.50%) Amazon S3
1 4 (12.50%) Route 53
1 4 (12.50%) Virtual Private Cloud
Communications & Networking
1 16 (50.00%) DNS
2 13 (40.63%) LDAP
3 11 (34.38%) VPN
4 9 (28.13%) BGP
5 8 (25.00%) Cisco ASA
5 8 (25.00%) WAN
6 7 (21.88%) Network Security
7 6 (18.75%) FTP
7 6 (18.75%) IPsec
7 6 (18.75%) LAN
7 6 (18.75%) SSL
8 5 (15.63%) BIG-IP
8 5 (15.63%) DHCP
8 5 (15.63%) EIGRP
8 5 (15.63%) F5 BIG-IP LTM
8 5 (15.63%) Internet
8 5 (15.63%) SAN
8 5 (15.63%) TCP/IP
8 5 (15.63%) VLAN
8 5 (15.63%) Wireless
Development Applications
1 4 (12.50%) Git (software)
1 4 (12.50%) Subversion
General
1 6 (18.75%) Finance
2 3 (9.38%) Legal
Job Titles
1 18 (56.25%) Administrator
1 18 (56.25%) Linux Administrator
2 17 (53.13%) Linux Systems Administrator
2 17 (53.13%) Systems Administrator
3 14 (43.75%) VMWare Administrator
4 9 (28.13%) Network Engineer
5 4 (12.50%) DevOps Engineer
5 4 (12.50%) Linux Engineer
6 3 (9.38%) Cisco Engineer
6 3 (9.38%) Cisco Network Engineer
6 3 (9.38%) Infrastructure Engineer
6 3 (9.38%) Linux Systems Engineer
6 3 (9.38%) Operational Security Manager
6 3 (9.38%) Operations Manager
6 3 (9.38%) SC Cleared Network Engineer
6 3 (9.38%) Security Manager
6 3 (9.38%) Security Operations Manager
6 3 (9.38%) Systems Engineer
7 2 (6.25%) Senior Network Engineer
8 1 (3.13%) Senior Cisco Engineer
Libraries, Frameworks & Software Standards
1 1 (3.13%) J2EE
Miscellaneous
1 8 (25.00%) Data Centre
2 7 (21.88%) Spread Betting
3 5 (15.63%) Distributed Denial-of-Service
4 4 (12.50%) Management Information System
5 1 (3.13%) iPad
Operating Systems
1 24 (75.00%) Linux
2 18 (56.25%) CentOS
2 18 (56.25%) Ubuntu
2 18 (56.25%) Windows
2 18 (56.25%) Windows Server
3 12 (37.50%) Red Hat Enterprise Linux
4 2 (6.25%) Unix
Processes & Methodologies
1 9 (28.13%) DevOps
2 7 (21.88%) Server Building
3 6 (18.75%) ITIL
4 5 (15.63%) DDoS Mitigation
4 5 (15.63%) High Availability
5 4 (12.50%) Agile Software Development
5 4 (12.50%) ITIL V3
5 4 (12.50%) Scrum
5 4 (12.50%) Security Architecture
5 4 (12.50%) Vulnerability Scanning
6 3 (9.38%) Collaborative Working
6 3 (9.38%) Identity Access Management
6 3 (9.38%) Kalman Filter
6 3 (9.38%) Open Source
6 3 (9.38%) Patch Management
6 3 (9.38%) Process Improvement
6 3 (9.38%) Security Operations
6 3 (9.38%) Service Delivery
6 3 (9.38%) SIEM
6 3 (9.38%) Vulnerability Management
Programming Languages
1 15 (46.88%) Bash Shell
2 3 (9.38%) C
3 1 (3.13%) Java
3 1 (3.13%) Perl
3 1 (3.13%) Python
3 1 (3.13%) Shell Script
Qualifications
1 25 (78.13%) Security Cleared
2 24 (75.00%) SC Cleared
3 2 (6.25%) CCNP
3 2 (6.25%) Cisco Certification
Quality Assurance & Compliance
1 3 (9.38%) ISO/IEC 27001
1 3 (9.38%) PCI DSS
1 3 (9.38%) RMADS
System Software
1 22 (68.75%) VMware Infrastructure
2 11 (34.38%) KVM
2 11 (34.38%) VMware ESXi
3 5 (15.63%) ProxySG
4 4 (12.50%) Virtual Machines
5 3 (9.38%) iptables
5 3 (9.38%) vSphere
6 2 (6.25%) Samba
Systems Management
1 23 (71.88%) Puppet
2 11 (34.38%) yum
3 4 (12.50%) Terraform
4 3 (9.38%) Nessus
4 3 (9.38%) Network Intrusion Detection System
5 1 (3.13%) Icinga
5 1 (3.13%) Nagios
Vendors
1 22 (68.75%) VMware
2 17 (53.13%) Red Hat
3 8 (25.00%) Cisco
4 7 (21.88%) F5
5 5 (15.63%) Blue Coat
5 5 (15.63%) Citrix
5 5 (15.63%) Motorola
6 4 (12.50%) Arista
7 3 (9.38%) AlienVault
7 3 (9.38%) CheckPoint
8 2 (6.25%) NetApp