Period
to 15 December 2017

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 6 months to 15 December 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.

Linux
South London > Croydon
6 months to
15 Dec 2017
Same period 2016 Same period 2015
Rank 9 8 17
Rank change year-on-year -1 +9 +5
Contract jobs citing Linux 154 101 41
As % of all contract IT jobs advertised in Croydon 15.71% 18.88% 11.75%
As % of the Operating Systems category 64.98% 68.71% 39.81%
Number of daily rates quoted 89 28 29
Croydon median daily rate £500 £461 £475
Median daily rate % change year-on-year +8.40% -2.89% +5.56%
10th Percentile £363 £363 £398
90th Percentile £700 £535 £538
South London median daily rate £525 £471 £375
% change year-on-year +11.41% +25.67% -6.25%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £38.50 £50.00 £47.83
% change year-on-year -23.00% +4.54% +151.74%

Linux is in the Operating Systems 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 operating system skills.

All Operating Systems
Croydon
Contract vacancies with a requirement for operating system skills 237 147 103
As % of all contract IT jobs advertised in Croydon 24.18% 27.48% 29.51%
Number of daily rates quoted 152 56 71
Croydon median daily rate £500 £425 £450
Median daily rate % change year-on-year +17.65% -5.56% +12.50%
10th Percentile £221 £313 £223
90th Percentile £674 £524 £525
South London median daily rate £475 £425 £350
% change year-on-year +11.76% +21.43% -6.67%
Number of hourly rates quoted 1 0 4
Croydon median hourly rate £13.00 - £13.00
South London median hourly rate £47.83 £47.42 £36.92
% change year-on-year +0.88% +28.44% +130.72%

Linux
Job Vacancy Trend in Croydon

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

Job vacancy trend for Linux in Croydon

Linux
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for Linux in Croydon

Linux
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Linux in Croydon over the 6 months to 15 December 2017.

Contractor daily rate histogram for Linux in Croydon

Linux
Contractor Hourly Rate Trend in Croydon

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

Contractor hourly rate trend for Linux in Croydon

For the 6 months to 15 December 2017, IT contractor jobs citing Linux 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 Linux.

1 114 (74.03%) Security Cleared
2 103 (66.88%) SC Cleared
3 83 (53.90%) DevOps
4 73 (47.40%) Puppet
5 69 (44.81%) Java
6 65 (42.21%) Amazon AWS
7 61 (39.61%) Kubernetes
8 59 (38.31%) Jenkins
9 55 (35.71%) Docker
10 54 (35.06%) Hadoop
11 49 (31.82%) Continuous Integration
11 49 (31.82%) Agile Software Development
12 47 (30.52%) Terraform
13 45 (29.22%) Red Hat Enterprise Linux
14 44 (28.57%) Ansible
15 42 (27.27%) Big Data
16 41 (26.62%) Scrum
17 40 (25.97%) PostgreSQL
18 39 (25.32%) Git (software)
18 39 (25.32%) JIRA
19 38 (24.68%) Amazon EC2
19 38 (24.68%) Confluence
20 35 (22.73%) REST
21 32 (20.78%) Amazon S3
22 31 (20.13%) Red Hat
23 30 (19.48%) Configuration Management
24 29 (18.83%) VMware
24 29 (18.83%) CentOS
24 29 (18.83%) HBase
24 29 (18.83%) Apache Camel

Linux
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 38 (24.68%) Confluence
2 23 (14.94%) Apache
3 22 (14.29%) Elasticsearch
4 20 (12.99%) Tomcat
5 9 (5.84%) Apache Spark
6 7 (4.55%) JBoss
6 7 (4.55%) nginx
7 6 (3.90%) Apache Solr
8 5 (3.25%) OpenStack
9 4 (2.60%) IIS
9 4 (2.60%) SAS
10 2 (1.30%) MQSeries
10 2 (1.30%) WebLogic
Applications
1 4 (2.60%) Microsoft Excel
Cloud Services
1 65 (42.21%) Amazon AWS
2 38 (24.68%) Amazon EC2
3 32 (20.78%) Amazon S3
4 22 (14.29%) Amazon ELB
5 20 (12.99%) Route 53
6 16 (10.39%) Virtual Private Cloud
7 13 (8.44%) GitHub
8 12 (7.79%) Amazon CloudWatch
9 6 (3.90%) Amazon Kinesis
9 6 (3.90%) AWS CloudTrail
10 2 (1.30%) Microsoft Azure
10 2 (1.30%) Quay.io
Communications & Networking
1 22 (14.29%) Kerberos
2 18 (11.69%) Network Security
3 15 (9.74%) Firewall
4 12 (7.79%) VPN
5 10 (6.49%) DNS
6 8 (5.19%) HTTP
7 6 (3.90%) FTP
7 6 (3.90%) IPsec
7 6 (3.90%) LDAP
7 6 (3.90%) OpenLDAP
7 6 (3.90%) OpenVPN
7 6 (3.90%) SSH
7 6 (3.90%) TCP/IP
8 4 (2.60%) BGP
8 4 (2.60%) NAS
8 4 (2.60%) SAN
9 2 (1.30%) HTTPS
9 2 (1.30%) LAN
9 2 (1.30%) SSL
9 2 (1.30%) WAN
Database & Business Intelligence
1 54 (35.06%) Hadoop
2 42 (27.27%) Big Data
3 40 (25.97%) PostgreSQL
4 29 (18.83%) HBase
5 24 (15.58%) Amazon RDS
6 16 (10.39%) NoSQL
7 6 (3.90%) Amazon Redshift
7 6 (3.90%) Data Mining
8 5 (3.25%) Data Warehouse
9 4 (2.60%) MySQL
9 4 (2.60%) SAS Enterprise Guide
9 4 (2.60%) Star Schema
10 3 (1.95%) IBM InfoSphere
10 3 (1.95%) MongoDB
10 3 (1.95%) Oracle Database
10 3 (1.95%) Redis
11 2 (1.30%) Amazon DynamoDB
11 2 (1.30%) DataStax
11 2 (1.30%) RDBMS
11 2 (1.30%) Relational Database
Development Applications
1 59 (38.31%) Jenkins
2 39 (25.32%) Git (software)
2 39 (25.32%) JIRA
3 24 (15.58%) IntelliJ
3 24 (15.58%) Maven
4 13 (8.44%) Sonatype Nexus
5 12 (7.79%) Cucumber
6 11 (7.14%) GitLab
7 8 (5.19%) SonarQube
8 7 (4.55%) Bitbucket
8 7 (4.55%) JUnit
9 6 (3.90%) Ant
9 6 (3.90%) Artifactory
9 6 (3.90%) Liquibase
10 5 (3.25%) Vagrant
11 4 (2.60%) Gerrit
11 4 (2.60%) Subversion
12 2 (1.30%) Codeship
12 2 (1.30%) Travis CI
13 1 (0.65%) Gradle
General
1 5 (3.25%) Finance
2 3 (1.95%) Banking
2 3 (1.95%) Telecoms
3 1 (0.65%) Electronics
3 1 (0.65%) Local Government
3 1 (0.65%) Manufacturing
3 1 (0.65%) Marketing
3 1 (0.65%) Retail
Job Titles
1 54 (35.06%) DevOps Engineer
2 32 (20.78%) AWS DevOps
3 28 (18.18%) AWS Engineer
4 27 (17.53%) AWS DevOps Engineer
5 20 (12.99%) Developer
6 18 (11.69%) Administrator
7 17 (11.04%) Architect
8 15 (9.74%) Java Developer
8 15 (9.74%) Linux Engineer
9 14 (9.09%) Consultant
10 13 (8.44%) Linux Administrator
11 12 (7.79%) Linux DevOps Engineer
11 12 (7.79%) Linux/Unix DevOps
12 9 (5.84%) Systems Administrator
13 8 (5.19%) AWS Architect
13 8 (5.19%) Java Engineer
13 8 (5.19%) Linux Systems Administrator
13 8 (5.19%) VMWare Administrator
14 7 (4.55%) SC Cleared Java Developer
15 6 (3.90%) Hadoop Consultant
Libraries, Frameworks & Software Standards
1 35 (22.73%) REST
2 29 (18.83%) Apache Camel
3 24 (15.58%) Spring
3 24 (15.58%) Spring Boot
4 22 (14.29%) Web Services
5 19 (12.34%) Elastic Stack
6 10 (6.49%) Kafka
7 6 (3.90%) Drools
7 6 (3.90%) MCollective
8 5 (3.25%) AngularJS
8 5 (3.25%) CSS
8 5 (3.25%) CSS3
8 5 (3.25%) HTML
8 5 (3.25%) HTML5
8 5 (3.25%) Software Packaging
9 4 (2.60%) RESTful
9 4 (2.60%) XML
10 3 (1.95%) RabbitMQ
11 2 (1.30%) Guice
11 2 (1.30%) RESTEasy
Miscellaneous
1 17 (11.04%) Algorithms
2 7 (4.55%) Public Cloud
3 6 (3.90%) Analytical Skills
3 6 (3.90%) Linux Command Line
4 5 (3.25%) Cyberthreat
5 4 (2.60%) Data Centre
5 4 (2.60%) Spread Betting
6 2 (1.30%) Greenfield Project
7 1 (0.65%) iPad
7 1 (0.65%) NHS
Operating Systems
1 45 (29.22%) Red Hat Enterprise Linux
2 29 (18.83%) CentOS
3 24 (15.58%) Unix
4 21 (13.64%) Windows
5 15 (9.74%) Windows Server
6 9 (5.84%) CoreOS
6 9 (5.84%) Ubuntu
7 6 (3.90%) AIX
8 5 (3.25%) Windows Server 2003
8 5 (3.25%) Windows Server 2008
8 5 (3.25%) Windows Server 2012
9 4 (2.60%) SUSE
10 2 (1.30%) Windows 10
11 1 (0.65%) Solaris
Processes & Methodologies
1 83 (53.90%) DevOps
2 49 (31.82%) Agile Software Development
2 49 (31.82%) Continuous Integration
3 41 (26.62%) Scrum
4 30 (19.48%) Configuration Management
5 25 (16.23%) Microservices
5 25 (16.23%) TDD
6 21 (13.64%) Coaching
6 21 (13.64%) Migration
7 19 (12.34%) Continuous Delivery
8 18 (11.69%) Security Architecture
9 16 (10.39%) Mentoring
10 14 (9.09%) Performance Tuning
11 13 (8.44%) Open Source
12 12 (7.79%) BDD
12 12 (7.79%) Load Balancing
13 11 (7.14%) OO
13 11 (7.14%) Technical Architecture
14 10 (6.49%) Capacity Planning
15 8 (5.19%) Visualisation
Programming Languages
1 69 (44.81%) Java
2 28 (18.18%) Bash Shell
3 20 (12.99%) Python
4 14 (9.09%) SQL
5 10 (6.49%) Ruby
6 9 (5.84%) Go
6 9 (5.84%) Groovy
7 7 (4.55%) PowerShell
8 6 (3.90%) VBScript
9 5 (3.25%) Scala
10 4 (2.60%) AWK
10 4 (2.60%) SAS Macro
10 4 (2.60%) sed
11 3 (1.95%) JavaScript
11 3 (1.95%) Perl
11 3 (1.95%) Shell Script
12 1 (0.65%) C++
12 1 (0.65%) Korn
Qualifications
1 114 (74.03%) Security Cleared
2 103 (66.88%) SC Cleared
3 5 (3.25%) AWS Certification
3 5 (3.25%) BPSS Clearance
4 3 (1.95%) DV Cleared
5 2 (1.30%) CTC Cleared
Quality Assurance & Compliance
1 4 (2.60%) Data Quality
2 2 (1.30%) Disclosure Scotland
2 2 (1.30%) Sarbanes-Oxley
2 2 (1.30%) SLA
3 1 (0.65%) PMO
System Software
1 55 (35.71%) Docker
2 23 (14.94%) VMware Infrastructure
3 19 (12.34%) HDFS
4 14 (9.09%) vCloud
5 9 (5.84%) Virtual Machines
6 6 (3.90%) Active Directory
6 6 (3.90%) Postfix
6 6 (3.90%) Squid
7 5 (3.25%) vSphere
8 4 (2.60%) etcd
8 4 (2.60%) KVM
8 4 (2.60%) VMware ESXi
9 2 (1.30%) Apache ZooKeeper
9 2 (1.30%) flannel
9 2 (1.30%) Samba
10 1 (0.65%) Ceph
10 1 (0.65%) GlusterFS
10 1 (0.65%) SkyDNS
Systems Management
1 73 (47.40%) Puppet
2 61 (39.61%) Kubernetes
3 47 (30.52%) Terraform
4 44 (28.57%) Ansible
5 20 (12.99%) ZABBIX
6 16 (10.39%) logstash
7 12 (7.79%) Kibana
8 10 (6.49%) Sysdig
9 7 (4.55%) Opscode Chef
10 6 (3.90%) Docker Swarm
10 6 (3.90%) Rancher
10 6 (3.90%) Rsyslog
11 5 (3.25%) Consul
12 4 (2.60%) yum
13 3 (1.95%) Graphite
13 3 (1.95%) Host Intrusion Detection System
13 3 (1.95%) Network Intrusion Detection System
14 2 (1.30%) PowerCLI
14 2 (1.30%) Prometheus
14 2 (1.30%) rkt
Vendors
1 31 (20.13%) Red Hat
2 29 (18.83%) VMware
3 23 (14.94%) Hortonworks
4 6 (3.90%) AlienVault
4 6 (3.90%) Atlassian
4 6 (3.90%) NetApp
4 6 (3.90%) Oracle
4 6 (3.90%) Sonatype
5 5 (3.25%) Microsoft
6 4 (2.60%) EMC
6 4 (2.60%) Greenplum
6 4 (2.60%) Splunk
7 3 (1.95%) Dell
7 3 (1.95%) F5
8 2 (1.30%) CheckPoint
8 2 (1.30%) Citrix
8 2 (1.30%) Google
9 1 (0.65%) IBM
9 1 (0.65%) Informatica
9 1 (0.65%) SAP