Period
to 22 March 2019

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 March 2019 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 Mar 2019
Same period 2018 Same period 2017
Rank 11 11 5
Rank change year-on-year 0 -6 +13
Contract jobs citing Linux 164 153 79
As % of all contract IT jobs advertised in Croydon 18.51% 13.72% 18.24%
As % of the Operating Systems category 83.25% 59.77% 71.17%
Number of daily rates quoted 121 110 25
Croydon median daily rate £555 £500 £463
Median daily rate % change year-on-year +11.00% +8.11% -1.33%
10th Percentile £419 £325 £363
90th Percentile £688 £670 £532
South London median daily rate £546 £500 £450
% change year-on-year +9.10% +11.11% +9.09%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £45.00 £13.50 £50.00
% change year-on-year +233.33% -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 197 256 111
As % of all contract IT jobs advertised in Croydon 22.23% 22.96% 25.64%
Number of daily rates quoted 145 188 38
Croydon median daily rate £525 £525 £446
Median daily rate % change year-on-year - +17.65% +3.48%
10th Percentile £413 £308 £313
90th Percentile £672 £622 £524
South London median daily rate £525 £475 £400
% change year-on-year +10.53% +18.75% +7.02%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £44.92 £47.83 £47.00
% change year-on-year -6.09% +1.77% -1.74%

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 March 2019.

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 March 2019, 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.

1 110 (67.07%) DevOps
2 99 (60.37%) Security Cleared
3 95 (57.93%) Amazon AWS
4 92 (56.10%) Terraform
5 83 (50.61%) SC Cleared
6 75 (45.73%) Docker
6 75 (45.73%) Kubernetes
7 73 (44.51%) Ansible
7 73 (44.51%) Agile Software Development
8 64 (39.02%) Java
9 61 (37.20%) Jenkins
10 55 (33.54%) Configuration Management
11 54 (32.93%) Microsoft Azure
12 53 (32.32%) Git (software)
13 45 (27.44%) Red Hat Enterprise Linux
14 42 (25.61%) Puppet
15 41 (25.00%) CentOS
16 37 (22.56%) Unix
16 37 (22.56%) Python
17 35 (21.34%) Bash Shell
17 35 (21.34%) JIRA
18 33 (20.12%) PostgreSQL
19 28 (17.07%) Scrum
19 28 (17.07%) Continuous Integration
20 27 (16.46%) Amazon EC2
20 27 (16.46%) Amazon S3
20 27 (16.46%) SQL
21 25 (15.24%) Hadoop
22 24 (14.63%) Big Data
22 24 (14.63%) VMware

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 22 (13.41%) Confluence
2 20 (12.20%) nginx
3 14 (8.54%) Elasticsearch
4 13 (7.93%) Tomcat
5 12 (7.32%) WebLogic
6 10 (6.10%) JBoss
7 7 (4.27%) Apache Solr
7 7 (4.27%) Oracle Service Bus
7 7 (4.27%) WildFly
8 4 (2.44%) Apache Spark
9 3 (1.83%) Apache
10 2 (1.22%) Alfresco
10 2 (1.22%) Apache Pig
Cloud Services
1 95 (57.93%) Amazon AWS
2 54 (32.93%) Microsoft Azure
3 27 (16.46%) Amazon EC2
3 27 (16.46%) Amazon S3
4 19 (11.59%) GitHub
5 16 (9.76%) Virtual Private Cloud
6 15 (9.15%) Amazon ELB
7 11 (6.71%) Route 53
8 7 (4.27%) G Suite
8 7 (4.27%) PaaS
9 6 (3.66%) Amazon CloudWatch
10 5 (3.05%) AWS Lambda
10 5 (3.05%) Serverless
11 3 (1.83%) Azure Active Directory
11 3 (1.83%) Quay.io
12 2 (1.22%) AWS CloudFormation
12 2 (1.22%) Google Cloud Platform
13 1 (0.61%) IaaS
13 1 (0.61%) Oracle CX
Communications & Networking
1 23 (14.02%) Firewall
2 17 (10.37%) DNS
3 10 (6.10%) Kerberos
4 9 (5.49%) VPN
5 7 (4.27%) IPsec
6 5 (3.05%) DHCP
6 5 (3.05%) FTP
6 5 (3.05%) SSL
6 5 (3.05%) TCP/IP
7 4 (2.44%) DMZ
8 3 (1.83%) HTTP
8 3 (1.83%) IMAP
8 3 (1.83%) SAN
8 3 (1.83%) SMTP
9 2 (1.22%) BIG-IP
9 2 (1.22%) ICMP
9 2 (1.22%) IPv4
9 2 (1.22%) OpenVPN
10 1 (0.61%) OpenLDAP
Database & Business Intelligence
1 33 (20.12%) PostgreSQL
2 25 (15.24%) Hadoop
3 24 (14.63%) Big Data
4 16 (9.76%) Amazon RDS
5 14 (8.54%) HBase
6 8 (4.88%) MongoDB
6 8 (4.88%) NoSQL
7 7 (4.27%) MySQL
8 5 (3.05%) SQL Server
9 4 (2.44%) Amazon DynamoDB
9 4 (2.44%) JanusGraph
10 2 (1.22%) Apache Hive
10 2 (1.22%) Data Warehouse
10 2 (1.22%) Flink
10 2 (1.22%) Neo4j
10 2 (1.22%) Oracle Database
10 2 (1.22%) Redis
10 2 (1.22%) Relational Database
11 1 (0.61%) SQL Server 2016
Development Applications
1 61 (37.20%) Jenkins
2 53 (32.32%) Git (software)
3 35 (21.34%) JIRA
4 21 (12.80%) Maven
5 20 (12.20%) Artifactory
6 18 (10.98%) GitLab
7 11 (6.71%) Sonatype Nexus
8 9 (5.49%) Bitbucket
9 8 (4.88%) Cucumber
10 6 (3.66%) Gradle
10 6 (3.66%) IntelliJ
10 6 (3.66%) JUnit
10 6 (3.66%) SonarQube
11 5 (3.05%) WebLogic Workshop
12 4 (2.44%) Selenium
12 4 (2.44%) WebDriver
13 3 (1.83%) FishEye
13 3 (1.83%) Gerrit
14 2 (1.22%) Atlassian Bamboo
14 2 (1.22%) DbUnit
General
1 8 (4.88%) Finance
2 7 (4.27%) Electronics
2 7 (4.27%) Manufacturing
2 7 (4.27%) Marketing
2 7 (4.27%) Telecoms
3 3 (1.83%) Retail
4 2 (1.22%) Law
4 2 (1.22%) Legal
5 1 (0.61%) Games
Job Titles
1 76 (46.34%) DevOps Engineer
2 25 (15.24%) AWS Engineer
3 21 (12.80%) AWS DevOps
3 21 (12.80%) Kubernetes Engineer
4 20 (12.20%) AWS DevOps Engineer
5 18 (10.98%) Developer
6 16 (9.76%) Azure DevOps
7 15 (9.15%) Administrator
7 15 (9.15%) Java Developer
8 12 (7.32%) Systems Administrator
9 11 (6.71%) Linux Administrator
10 10 (6.10%) Big Data Engineer
10 10 (6.10%) Linux Engineer
10 10 (6.10%) Support Engineer
11 9 (5.49%) Azure DevOps Engineer
11 9 (5.49%) Azure Engineer
11 9 (5.49%) Lead DevOps
11 9 (5.49%) Linux Systems Administrator
11 9 (5.49%) Network Engineer
12 8 (4.88%) Applications Engineer
Libraries, Frameworks & Software Standards
1 20 (12.20%) Elastic Stack
2 17 (10.37%) Kafka
3 15 (9.15%) Spring
4 14 (8.54%) Web Services
5 13 (7.93%) REST
6 12 (7.32%) LDAP
7 9 (5.49%) Spring Boot
8 7 (4.27%) J2EE
9 6 (3.66%) Apache Camel
9 6 (3.66%) Gherkin
10 5 (3.05%) ModSecurity
11 4 (2.44%) Apache NiFi
11 4 (2.44%) Samza
12 3 (1.83%) CSS
12 3 (1.83%) HTML
12 3 (1.83%) Middleware
12 3 (1.83%) XML
12 3 (1.83%) YAML
13 2 (1.22%) EJB
13 2 (1.22%) SAML
Miscellaneous
1 22 (13.41%) Public Cloud
2 7 (4.27%) PKI
3 6 (3.66%) Data Centre
4 4 (2.44%) Management Information System
5 3 (1.83%) Algorithms
5 3 (1.83%) NHS
6 2 (1.22%) Analytical Skills
6 2 (1.22%) Oracle Licensing
7 1 (0.61%) Cloud Native
7 1 (0.61%) EMC VMAX
Operating Systems
1 45 (27.44%) Red Hat Enterprise Linux
2 41 (25.00%) CentOS
3 37 (22.56%) Unix
4 19 (11.59%) Windows
5 15 (9.15%) Ubuntu
6 10 (6.10%) CoreOS
7 8 (4.88%) Windows Server
8 5 (3.05%) Debian
9 4 (2.44%) Windows 10
10 1 (0.61%) Oracle Linux
Processes & Methodologies
1 110 (67.07%) DevOps
2 73 (44.51%) Agile Software Development
3 55 (33.54%) Configuration Management
4 28 (17.07%) Continuous Integration
4 28 (17.07%) Scrum
5 19 (11.59%) Microservices
6 18 (10.98%) Migration
7 16 (9.76%) Build Automation
8 14 (8.54%) Deployment Automation
8 14 (8.54%) Open Source
9 12 (7.32%) BDD
10 10 (6.10%) Continuous Delivery
10 10 (6.10%) Mentoring
10 10 (6.10%) User Acceptance Testing
11 9 (5.49%) Business Intelligence
11 9 (5.49%) Continuous Improvement
11 9 (5.49%) TDD
11 9 (5.49%) User Stories
12 8 (4.88%) Data Security
12 8 (4.88%) ITIL
Programming Languages
1 64 (39.02%) Java
2 37 (22.56%) Python
3 35 (21.34%) Bash Shell
4 27 (16.46%) SQL
5 18 (10.98%) Ruby
6 17 (10.37%) Java 8
7 12 (7.32%) Go
8 8 (4.88%) Groovy
8 8 (4.88%) Shell Script
9 5 (3.05%) Perl
10 4 (2.44%) JavaScript
10 4 (2.44%) PowerShell
10 4 (2.44%) Scala
11 2 (1.22%) C
11 2 (1.22%) C++
11 2 (1.22%) PHP
Qualifications
1 99 (60.37%) Security Cleared
2 83 (50.61%) SC Cleared
3 5 (3.05%) DV Cleared
4 3 (1.83%) AWS Certification
4 3 (1.83%) BC Cleared
5 2 (1.22%) CEH
6 1 (0.61%) BPSS Clearance
6 1 (0.61%) Computer Science Degree
6 1 (0.61%) CTC Cleared
6 1 (0.61%) Degree
6 1 (0.61%) MOS
Quality Assurance & Compliance
1 2 (1.22%) PMO
2 1 (0.61%) QA
System Software
1 75 (45.73%) Docker
2 16 (9.76%) VMware Infrastructure
3 13 (7.93%) HDFS
4 11 (6.71%) Active Directory
5 10 (6.10%) Squid
6 9 (5.49%) vCloud
7 7 (4.27%) VMware ESXi
8 5 (3.05%) Snort
9 4 (2.44%) iptables
10 3 (1.83%) Ceph
10 3 (1.83%) etcd
10 3 (1.83%) flannel
10 3 (1.83%) GlusterFS
10 3 (1.83%) KVM
10 3 (1.83%) SkyDNS
11 2 (1.22%) Virtual Machines
12 1 (0.61%) NFS
Systems Management
1 92 (56.10%) Terraform
2 75 (45.73%) Kubernetes
3 73 (44.51%) Ansible
4 42 (25.61%) Puppet
5 17 (10.37%) HAProxy
6 14 (8.54%) Prometheus
7 11 (6.71%) Sysdig
7 11 (6.71%) ZABBIX
8 10 (6.10%) Kibana
8 10 (6.10%) logstash
9 9 (5.49%) Consul
9 9 (5.49%) Packer
10 8 (4.88%) Graphite
11 7 (4.27%) Host Intrusion Detection System
11 7 (4.27%) Nagios
11 7 (4.27%) Network Intrusion Detection System
12 6 (3.66%) rkt
13 5 (3.05%) FortiGate
14 4 (2.44%) vCenter Server
15 3 (1.83%) yum
Vendors
1 24 (14.63%) VMware
2 19 (11.59%) Red Hat
3 17 (10.37%) Oracle
4 11 (6.71%) Hortonworks
5 10 (6.10%) Dynatrace
6 9 (5.49%) Atlassian
7 8 (4.88%) SAP
8 4 (2.44%) NetApp
8 4 (2.44%) SaltStack
9 3 (1.83%) Axway
9 3 (1.83%) MuleSoft
9 3 (1.83%) ServiceNow
10 2 (1.22%) F5
10 2 (1.22%) Google
11 1 (0.61%) AppDynamics
11 1 (0.61%) Cisco
11 1 (0.61%) Hyland
11 1 (0.61%) Isilon
11 1 (0.61%) Remedy
11 1 (0.61%) Splunk