Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to

The following table provides summary statistics for permanent job vacancies advertised in the South East with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 6 months to 23 May 2022 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > South East
6 months to
23 May 2022		 Same period 2021 Same period 2020
Rank 325 306 355
Rank change year-on-year -19 +49 0
Permanent jobs citing CentOS 147 77 62
As % of all permanent jobs advertised in the South East 0.73% 0.57% 0.37%
As % of the Operating Systems category 3.40% 2.65% 1.59%
Number of salaries quoted 104 59 52
10th Percentile £32,500 £35,400 £31,250
25th Percentile £37,500 £42,250 £37,188
Median annual salary (50th Percentile) £44,000 £47,500 £45,000
Median % change year-on-year -7.37% +5.56% -18.18%
75th Percentile £47,688 £57,500 £55,313
90th Percentile £57,125 £72,500 £67,250
England median annual salary £50,000 £55,000 £55,000
% change year-on-year -9.09% - +4.76%

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the South East with a requirement for operating system skills.

All Operating Systems
South East
Permanent vacancies with a requirement for operating system skills 4,324 2,904 3,910
As % of all permanent IT jobs advertised in the South East 21.46% 21.42% 23.37%
Number of salaries quoted 2,755 2,278 3,256
10th Percentile £26,250 £27,500 £26,250
25th Percentile £32,500 £35,000 £33,500
Median annual salary (50th Percentile) £47,500 £47,500 £45,000
Median % change year-on-year - +5.56% -
75th Percentile £62,500 £61,625 £58,750
90th Percentile £77,500 £70,000 £70,000
England median annual salary £52,500 £50,000 £49,491
% change year-on-year +5.00% +1.03% +4.19%

CentOS
Job Vacancy Trend in the South East

Job postings citing CentOS as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for CentOS in the South East

CentOS
Salary Trend in the South East

3-month moving average salary quoted in jobs citing CentOS in the South East.

Salary trend for CentOS in the South East

CentOS
Salary Histogram in the South East

Salary distribution for jobs citing CentOS in the South East over the 6 months to 23 May 2022.

Salary histogram for CentOS in the South East

CentOS
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the South East region over the 6 months to 23 May 2022. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year		 Matching
Permanent
IT Job Ads		 Median Salary
Past 6 Months		 Median Salary
% Change
on Same Period
Last Year		 Live
Jobs
Surrey +3 72 £42,500 +37.10% 3
Hampshire -49 44 £45,000 -10.00% 1
Thames Valley -47 24 £32,500 -27.78% 6
Buckinghamshire -43 16 £32,500 -18.75% 2
Home Counties - 6 - -
Oxfordshire - 5 £46,223 - 2
Berkshire -21 3 £45,000 -21.74% 2
Kent - 1 - -
CentOS
England

For the 6 months to 23 May 2022, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the South East region with a requirement for CentOS.

1 147 (100.00%) Linux
2 129 (87.76%) Python
3 74 (50.34%) Red Hat Enterprise Linux
4 66 (44.90%) Bash
5 54 (36.73%) Perl
6 51 (34.69%) PHP
6 51 (34.69%) DNS
7 50 (34.01%) Shell Script
8 45 (30.61%) DevOps
9 42 (28.57%) Software Engineering
10 41 (27.89%) HTTP
10 41 (27.89%) SaaS
11 40 (27.21%) Git (software)
11 40 (27.21%) Migration
12 38 (25.85%) MySQL
13 36 (24.49%) VMware
14 35 (23.81%) Red Hat
15 34 (23.13%) AWS
16 33 (22.45%) Jenkins
17 32 (21.77%) Multithreading
17 32 (21.77%) Telecoms
17 32 (21.77%) C++
17 32 (21.77%) Docker
18 30 (20.41%) Continuous Integration
19 29 (19.73%) Ansible
20 27 (18.37%) C
20 27 (18.37%) Social Skills
21 25 (17.01%) Ubuntu
22 24 (16.33%) Multithreaded Programming
23 23 (15.65%) Agile

CentOS
Co-occurring IT Skills in the South East 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 7 (4.76%) Apache
1 7 (4.76%) OpenStack
2 6 (4.08%) Tomcat
3 5 (3.40%) nginx
4 3 (2.04%) Confluence
Cloud Services
1 41 (27.89%) SaaS
2 34 (23.13%) AWS
3 9 (6.12%) Azure
4 7 (4.76%) GCP
5 6 (4.08%) Amazon EKS
5 6 (4.08%) AWS Lambda
5 6 (4.08%) IaaS
5 6 (4.08%) Microsoft 365
5 6 (4.08%) Serverless
Communications & Networking
1 51 (34.69%) DNS
2 41 (27.89%) HTTP
3 13 (8.84%) TCP/IP
4 10 (6.80%) Firewall
5 6 (4.08%) DHCP
5 6 (4.08%) DMARC
6 2 (1.36%) Intrusion Detection
7 1 (0.68%) SNMP
7 1 (0.68%) VoIP
7 1 (0.68%) VPN
Database & Business Intelligence
1 38 (25.85%) MySQL
2 20 (13.61%) PostgreSQL
3 14 (9.52%) Redis
4 7 (4.76%) InfluxDB
4 7 (4.76%) NoSQL
5 6 (4.08%) Amazon DynamoDB
5 6 (4.08%) MongoDB
6 3 (2.04%) MariaDB
Development Applications
1 40 (27.21%) Git (software)
2 33 (22.45%) Jenkins
3 12 (8.16%) GitLab
4 5 (3.40%) JIRA
5 2 (1.36%) Atlassian Bamboo
5 2 (1.36%) CircleCI
6 1 (0.68%) Vagrant
General
1 32 (21.77%) Telecoms
2 27 (18.37%) Social Skills
3 22 (14.97%) Finance
4 19 (12.93%) Inclusion and Diversity
5 10 (6.80%) Analytical Skills
6 9 (6.12%) Advertising
7 7 (4.76%) Law
8 1 (0.68%) Electronics
8 1 (0.68%) Games
8 1 (0.68%) Legal
8 1 (0.68%) Manufacturing
8 1 (0.68%) Marketing
8 1 (0.68%) Public Sector
Job Titles
1 40 (27.21%) Systems Administrator
2 38 (25.85%) Junior
3 36 (24.49%) DevOps Engineer
4 35 (23.81%) Linux Systems Administrator
4 35 (23.81%) Software Engineer
5 33 (22.45%) Administrator
5 33 (22.45%) Linux Administrator
6 30 (20.41%) Junior Systems Administrator
7 25 (17.01%) Junior Linux Systems Administrator
8 24 (16.33%) C Software Engineer
8 24 (16.33%) C/C++ Software Engineer
8 24 (16.33%) C++ Software Engineer
9 20 (13.61%) Linux Engineer
10 12 (8.16%) Infrastructure Engineer
10 12 (8.16%) Support Engineer
11 10 (6.80%) Developer
11 10 (6.80%) Product Engineer
11 10 (6.80%) Products Support Engineer
12 9 (6.12%) Systems Engineer
13 8 (5.44%) Junior Software Engineer
Libraries, Frameworks & Software Standards
1 10 (6.80%) Elastic Stack
2 8 (5.44%) Node.js
3 7 (4.76%) REST
4 6 (4.08%) YAML
5 3 (2.04%) Django
5 3 (2.04%) Flask
5 3 (2.04%) LEMP Stack
6 2 (1.36%) .NET
6 2 (1.36%) .NET Framework
6 2 (1.36%) JSON
6 2 (1.36%) LAMP
6 2 (1.36%) PySpark
6 2 (1.36%) RESTful
6 2 (1.36%) Swagger
Miscellaneous
1 17 (11.56%) Fibre Optics
2 16 (10.88%) Cyber Defence
2 16 (10.88%) Cyberattack
2 16 (10.88%) Linux Command Line
3 11 (7.48%) Data Centre
4 9 (6.12%) Cybercrime
4 9 (6.12%) Video\Live Streaming
5 8 (5.44%) Legacy Code
6 7 (4.76%) Replication
6 7 (4.76%) Smartphone
6 7 (4.76%) Social Media
7 6 (4.08%) Cloud Native
7 6 (4.08%) iPad
8 3 (2.04%) PKI
9 2 (1.36%) Blog
10 1 (0.68%) Clustering
10 1 (0.68%) Private Cloud
10 1 (0.68%) Self-Motivation
10 1 (0.68%) Video on Demand
Operating Systems
1 147 (100.00%) Linux
2 74 (50.34%) Red Hat Enterprise Linux
3 25 (17.01%) Ubuntu
4 10 (6.80%) Windows
5 9 (6.12%) VMS
5 9 (6.12%) Windows Server
6 6 (4.08%) Alpine Linux
6 6 (4.08%) Debian
7 3 (2.04%) Windows Server 2019
8 2 (1.36%) Unix
9 1 (0.68%) Android
9 1 (0.68%) openSUSE
9 1 (0.68%) SUSE
9 1 (0.68%) SUSE Linux Enterprise Server
Processes & Methodologies
1 45 (30.61%) DevOps
2 42 (28.57%) Software Engineering
3 40 (27.21%) Migration
4 32 (21.77%) Multithreading
5 30 (20.41%) Continuous Integration
6 24 (16.33%) Multithreaded Programming
7 23 (15.65%) Agile
8 20 (13.61%) Configuration Management
9 19 (12.93%) High Availability
10 16 (10.88%) Cyber Threat Intelligence
10 16 (10.88%) Threat Intelligence
11 15 (10.20%) CI/CD
11 15 (10.20%) Problem-Solving
12 12 (8.16%) Infrastructure Engineering
12 12 (8.16%) Test Automation
13 11 (7.48%) Project Delivery
14 10 (6.80%) Integration Testing
14 10 (6.80%) Mentoring
14 10 (6.80%) Release Management
15 9 (6.12%) Test Management
Programming Languages
1 129 (87.76%) Python
2 66 (44.90%) Bash
3 54 (36.73%) Perl
4 51 (34.69%) PHP
5 50 (34.01%) Shell Script
6 32 (21.77%) C++
7 27 (18.37%) C
8 11 (7.48%) Java
9 10 (6.80%) JavaScript
10 9 (6.12%) Go
11 6 (4.08%) Groovy
11 6 (4.08%) Kotlin
12 3 (2.04%) C#
12 3 (2.04%) PowerShell
12 3 (2.04%) R
12 3 (2.04%) SQL
13 2 (1.36%) Ruby
13 2 (1.36%) TypeScript
Qualifications
1 19 (12.93%) Security Cleared
2 17 (11.56%) SC Cleared
3 9 (6.12%) AWS Certification
3 9 (6.12%) Degree
4 7 (4.76%) CCA
5 4 (2.72%) Computer Science Degree
6 2 (1.36%) CEH
6 2 (1.36%) CompTIA Security+
6 2 (1.36%) DV Cleared
7 1 (0.68%) BPSS Clearance
7 1 (0.68%) CCENT
7 1 (0.68%) CCNA
7 1 (0.68%) Cisco Certification
7 1 (0.68%) HND
Quality Assurance & Compliance
1 2 (1.36%) NCSC
System Software
1 32 (21.77%) Docker
2 22 (14.97%) vSphere
3 16 (10.88%) VMware Infrastructure
4 9 (6.12%) Active Directory
4 9 (6.12%) VMware ESXi
5 1 (0.68%) KVM
5 1 (0.68%) Virtual Machines
Systems Management
1 29 (19.73%) Ansible
2 22 (14.97%) Terraform
3 12 (8.16%) Kubernetes
4 9 (6.12%) vCenter Server
5 7 (4.76%) Grafana
6 3 (2.04%) Rancher
6 3 (2.04%) ZABBIX
7 2 (1.36%) Podman
8 1 (0.68%) Prometheus
8 1 (0.68%) VictorOps
Vendors
1 36 (24.49%) VMware
2 35 (23.81%) Red Hat
3 8 (5.44%) SaltStack
4 7 (4.76%) Perforce
5 6 (4.08%) Atlassian
5 6 (4.08%) Microsoft
5 6 (4.08%) Veeam
5 6 (4.08%) Zerto
6 3 (2.04%) ServiceNow
7 2 (1.36%) Foundry
7 2 (1.36%) Palantir
8 1 (0.68%) BT
8 1 (0.68%) Cisco
8 1 (0.68%) Juniper
8 1 (0.68%) PagerDuty
8 1 (0.68%) SAP