Period
to 22 July 2018

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 22 July 2018 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
22 Jul 2018
Same period 2017 Same period 2016
Rank 13 7 10
Rank change year-on-year -6 +3 +6
Contract jobs citing Linux 141 87 77
As % of all contract IT jobs advertised in Croydon 12.38% 21.32% 14.03%
As % of the Operating Systems category 58.75% 87.88% 68.14%
Number of daily rates quoted 90 48 43
Croydon median daily rate £475 £463 £410
Median daily rate % change year-on-year +2.70% +12.80% -8.89%
10th Percentile £307 £363 £271
90th Percentile £601 £538 £505
South London median daily rate £475 £463 £425
% change year-on-year +2.70% +8.82% +16.44%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £13.50 £50.00 £47.83
% change year-on-year -73.00% +4.54% -

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 240 99 113
As % of all contract IT jobs advertised in Croydon 21.07% 24.26% 20.58%
Number of daily rates quoted 165 55 66
Croydon median daily rate £488 £450 £396
Median daily rate % change year-on-year +8.33% +13.56% +4.97%
10th Percentile £300 £363 £256
90th Percentile £588 £538 £497
South London median daily rate £475 £400 £403
% change year-on-year +18.75% -0.62% +18.38%
Number of hourly rates quoted 3 1 2
Croydon median hourly rate £17.50 £13.00 £14.50
Median hourly rate % change year-on-year +34.62% -10.34% -9.38%
South London median hourly rate £43.71 £47.83 £15.75
% change year-on-year -8.62% +203.68% -67.07%

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 22 July 2018.

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 22 July 2018, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Croydon region with a requirement for Linux.

1 81 (57.45%) Security Cleared
2 65 (46.10%) DevOps
3 64 (45.39%) SC Cleared
4 62 (43.97%) CentOS
5 61 (43.26%) Git (software)
6 57 (40.43%) Amazon AWS
7 53 (37.59%) Kubernetes
8 50 (35.46%) Java
9 49 (34.75%) Jenkins
10 48 (34.04%) Docker
11 46 (32.62%) Terraform
12 45 (31.91%) Puppet
13 44 (31.21%) Red Hat Enterprise Linux
14 40 (28.37%) Unix
15 39 (27.66%) PostgreSQL
15 39 (27.66%) Continuous Integration
16 37 (26.24%) Python
16 37 (26.24%) Ansible
17 36 (25.53%) Agile Software Development
18 32 (22.70%) Windows
18 32 (22.70%) SQL
19 27 (19.15%) Configuration Management
20 25 (17.73%) Maven
20 25 (17.73%) Splunk
21 22 (15.60%) Problem-Solving
22 21 (14.89%) Hadoop
22 21 (14.89%) Red Hat
23 20 (14.18%) Bash Shell
23 20 (14.18%) JIRA
23 20 (14.18%) Consul

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 19 (13.48%) JBoss
2 15 (10.64%) Apache Spark
3 13 (9.22%) Confluence
4 12 (8.51%) Elasticsearch
5 10 (7.09%) nginx
6 8 (5.67%) Apache Solr
6 8 (5.67%) Tomcat
7 4 (2.84%) Oracle SOA Suite
8 3 (2.13%) Jetty
8 3 (2.13%) OpenStack
8 3 (2.13%) Oracle Self-Service HR
8 3 (2.13%) WebLogic
9 2 (1.42%) Apache Pig
Applications
1 3 (2.13%) Microsoft Excel
Cloud Services
1 57 (40.43%) Amazon AWS
2 18 (12.77%) Microsoft Azure
3 15 (10.64%) Virtual Private Cloud
4 14 (9.93%) Amazon EC2
5 11 (7.80%) GitHub
6 10 (7.09%) Amazon S3
7 6 (4.26%) Amazon ELB
8 5 (3.55%) AWS CloudFormation
9 2 (1.42%) Amazon CloudWatch
9 2 (1.42%) AWS CloudTrail
9 2 (1.42%) Quay.io
9 2 (1.42%) Route 53
10 1 (0.71%) Heroku
10 1 (0.71%) IaaS
10 1 (0.71%) OpenShift
10 1 (0.71%) PaaS
10 1 (0.71%) SaaS
Communications & Networking
1 17 (12.06%) Firewall
2 7 (4.96%) Kerberos
3 5 (3.55%) DNS
3 5 (3.55%) OpenLDAP
4 3 (2.13%) Intrusion Detection
4 3 (2.13%) SSH
4 3 (2.13%) SSL
4 3 (2.13%) TCP/IP
5 2 (1.42%) DHCP
5 2 (1.42%) ICMP
5 2 (1.42%) VPN
6 1 (0.71%) BGP
6 1 (0.71%) Cisco ASA
6 1 (0.71%) OSPF
6 1 (0.71%) SNMP
6 1 (0.71%) Wireshark
Database & Business Intelligence
1 39 (27.66%) PostgreSQL
2 21 (14.89%) Hadoop
3 17 (12.06%) Big Data
4 16 (11.35%) HBase
5 15 (10.64%) SQL Server
6 14 (9.93%) Amazon RDS
7 12 (8.51%) SQL Server 2016
8 6 (4.26%) MongoDB
8 6 (4.26%) MySQL
8 6 (4.26%) Oracle Database
9 3 (2.13%) DataStage
9 3 (2.13%) NoSQL
10 2 (1.42%) Apache Hive
10 2 (1.42%) Data Mining
10 2 (1.42%) Neo4j
10 2 (1.42%) Oracle Database 10g
10 2 (1.42%) Oracle Database 11g
10 2 (1.42%) Oracle Database 12c
10 2 (1.42%) Oracle9i Database
10 2 (1.42%) Redis
Development Applications
1 61 (43.26%) Git (software)
2 49 (34.75%) Jenkins
3 25 (17.73%) Maven
4 20 (14.18%) JIRA
5 19 (13.48%) Cucumber
6 18 (12.77%) Vagrant
7 17 (12.06%) Artifactory
8 14 (9.93%) GitLab
8 14 (9.93%) Selenium
9 10 (7.09%) IntelliJ
10 8 (5.67%) Atlassian Bamboo
11 6 (4.26%) JUnit
11 6 (4.26%) Sonatype Nexus
12 5 (3.55%) GoCD
13 4 (2.84%) Gradle
14 3 (2.13%) Ant
14 3 (2.13%) ClearCase
14 3 (2.13%) Eclipse
14 3 (2.13%) Hudson
14 3 (2.13%) Subversion
General
1 5 (3.55%) Finance
1 5 (3.55%) Retail
2 1 (0.71%) Manufacturing
2 1 (0.71%) Telecoms
Job Titles
1 46 (32.62%) DevOps Engineer
2 22 (15.60%) Linux Engineer
3 19 (13.48%) Administrator
4 17 (12.06%) Linux/Unix DevOps
5 16 (11.35%) AWS DevOps
6 15 (10.64%) Linux DevOps Engineer
6 15 (10.64%) Systems Administrator
7 14 (9.93%) AWS Administrator
7 14 (9.93%) AWS DevOps Engineer
7 14 (9.93%) AWS Engineer
7 14 (9.93%) Java Engineer
8 13 (9.22%) Unix Administrator
9 12 (8.51%) Network Engineer
9 12 (8.51%) Unix Systems Administrator
10 11 (7.80%) Infrastructure Engineer
11 8 (5.67%) Developer
11 8 (5.67%) Java Developer
12 7 (4.96%) Linux Administrator
12 7 (4.96%) SC Cleared Java Developer
13 6 (4.26%) DV Cleared Network Engineer
Libraries, Frameworks & Software Standards
1 17 (12.06%) Elastic Stack
1 17 (12.06%) Kafka
2 11 (7.80%) Apache Camel
2 11 (7.80%) Gherkin
2 11 (7.80%) React
2 11 (7.80%) REST
2 11 (7.80%) Spring
3 8 (5.67%) ActiveMQ
3 8 (5.67%) Spring Boot
4 7 (4.96%) Drools
5 6 (4.26%) XML
6 5 (3.55%) OSGi
7 3 (2.13%) GWT
7 3 (2.13%) HTML5
7 3 (2.13%) JMS
7 3 (2.13%) jQuery
7 3 (2.13%) JSON
7 3 (2.13%) Node.js
7 3 (2.13%) RabbitMQ
7 3 (2.13%) STL
Miscellaneous
1 14 (9.93%) Linux Command Line
2 11 (7.80%) Data Centre
3 8 (5.67%) Algorithms
3 8 (5.67%) Management Information System
4 7 (4.96%) Freedom of Information
5 6 (4.26%) Freedom of Information Act
6 4 (2.84%) NHS
7 3 (2.13%) Derivative
7 3 (2.13%) Mainframe
7 3 (2.13%) Private Cloud
7 3 (2.13%) User Experience
8 2 (1.42%) Clustering
8 2 (1.42%) Public Cloud
9 1 (0.71%) CMDB
Operating Systems
1 62 (43.97%) CentOS
2 44 (31.21%) Red Hat Enterprise Linux
3 40 (28.37%) Unix
4 32 (22.70%) Windows
5 15 (10.64%) Windows Server
6 13 (9.22%) CoreOS
6 13 (9.22%) Windows 10
7 8 (5.67%) Solaris
8 7 (4.96%) Ubuntu
9 3 (2.13%) Android
9 3 (2.13%) Apple iOS
9 3 (2.13%) Debian
9 3 (2.13%) Mac OS X
10 2 (1.42%) Scientific Linux
Processes & Methodologies
1 65 (46.10%) DevOps
2 39 (27.66%) Continuous Integration
3 36 (25.53%) Agile Software Development
4 27 (19.15%) Configuration Management
5 22 (15.60%) Problem-Solving
6 18 (12.77%) Deployment Automation
7 17 (12.06%) Release Management
8 15 (10.64%) Test Automation
9 14 (9.93%) Open Source
9 14 (9.93%) Security Hardening
10 13 (9.22%) Data Security
10 13 (9.22%) Scrum
10 13 (9.22%) Security Management
10 13 (9.22%) User Acceptance Testing
11 11 (7.80%) API Testing
11 11 (7.80%) Continuous Delivery
11 11 (7.80%) Mentoring
11 11 (7.80%) TDD
12 10 (7.09%) BDD
12 10 (7.09%) Migration
Programming Languages
1 50 (35.46%) Java
2 37 (26.24%) Python
3 32 (22.70%) SQL
4 20 (14.18%) Bash Shell
5 14 (9.93%) Ruby
6 12 (8.51%) Go
7 9 (6.38%) Groovy
8 8 (5.67%) Java 8
9 7 (4.96%) Scala
9 7 (4.96%) Shell Script
10 6 (4.26%) PowerShell
11 5 (3.55%) Perl
11 5 (3.55%) PL/SQL
12 3 (2.13%) C++
12 3 (2.13%) Clojure
12 3 (2.13%) ClojureScript
12 3 (2.13%) JavaScript
12 3 (2.13%) T-SQL
12 3 (2.13%) VBA
13 2 (1.42%) Erlang
Qualifications
1 81 (57.45%) Security Cleared
2 64 (45.39%) SC Cleared
3 18 (12.77%) DV Cleared
4 3 (2.13%) VCAP
4 3 (2.13%) VCDX
5 2 (1.42%) MCSA
5 2 (1.42%) Microsoft Certification
6 1 (0.71%) CCNA
6 1 (0.71%) Cisco Certification
6 1 (0.71%) Degree
Quality Assurance & Compliance
1 4 (2.84%) QA
2 2 (1.42%) PCI DSS
3 1 (0.71%) GDPR
3 1 (0.71%) PMO
3 1 (0.71%) SLA
System Software
1 48 (34.04%) Docker
2 13 (9.22%) VMware ESXi
3 10 (7.09%) HDFS
4 8 (5.67%) Active Directory
4 8 (5.67%) Apache ZooKeeper
5 7 (4.96%) Virtual Machines
6 3 (2.13%) Ceph
6 3 (2.13%) etcd
6 3 (2.13%) flannel
6 3 (2.13%) GlusterFS
6 3 (2.13%) SkyDNS
7 2 (1.42%) iptables
7 2 (1.42%) Oracle RAC
7 2 (1.42%) Snort
7 2 (1.42%) VMware Infrastructure
Systems Management
1 53 (37.59%) Kubernetes
2 46 (32.62%) Terraform
3 45 (31.91%) Puppet
4 37 (26.24%) Ansible
5 20 (14.18%) Consul
6 15 (10.64%) Packer
7 13 (9.22%) vCenter Server
8 11 (7.80%) Host Intrusion Detection System
8 11 (7.80%) Network Intrusion Detection System
9 10 (7.09%) HAProxy
9 10 (7.09%) Prometheus
9 10 (7.09%) Sysdig
10 7 (4.96%) Kibana
11 6 (4.26%) Docker Swarm
11 6 (4.26%) logstash
12 5 (3.55%) Rancher
12 5 (3.55%) ZABBIX
13 3 (2.13%) Graphite
13 3 (2.13%) rkt
13 3 (2.13%) Salt
Vendors
1 25 (17.73%) Splunk
2 21 (14.89%) Red Hat
3 15 (10.64%) NetApp
3 15 (10.64%) VMware
4 13 (9.22%) Cisco
5 11 (7.80%) Hortonworks
5 11 (7.80%) Microsoft
5 11 (7.80%) Oracle
6 3 (2.13%) Cloudera
6 3 (2.13%) Sybase
7 2 (1.42%) AlienVault
7 2 (1.42%) CA
7 2 (1.42%) IBM
8 1 (0.71%) Atlassian