Period
to 27 January 2022

The following table provides summary statistics for permanent job vacancies with a requirement for zOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited zOS over the 6 months to 27 January 2022 with a comparison to the same period in the previous 2 years.

IBM z/OS
UK
6 months to
27 Jan 2022
Same period 2021 Same period 2020
Rank 1000 770 997
Rank change year-on-year -230 +227 +101
Permanent jobs citing zOS 95 17 42
As % of all permanent jobs advertised in the UK 0.073% 0.026% 0.034%
As % of the Operating Systems category 0.40% 0.13% 0.15%
Number of salaries quoted 38 15 31
10th Percentile £50,700 - £47,500
25th Percentile £53,750 £53,750 £57,500
Median annual salary (50th Percentile) £65,875 £67,500 £77,500
Median % change year-on-year -2.41% -12.90% +47.62%
75th Percentile £85,000 £93,750 £85,625
90th Percentile - £111,250 £88,750
UK excluding London median annual salary £60,000 - £80,000
% change year-on-year - - +68.42%

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

All Operating Systems
UK
Permanent vacancies with a requirement for operating system skills 24,011 13,252 27,937
As % of all permanent IT jobs advertised in the UK 18.41% 20.48% 22.37%
Number of salaries quoted 16,127 10,933 22,671
10th Percentile £26,250 £27,500 £25,000
25th Percentile £35,000 £36,250 £32,000
Median annual salary (50th Percentile) £50,000 £50,000 £45,000
Median % change year-on-year - +11.11% -5.26%
75th Percentile £70,000 £65,000 £63,750
90th Percentile £85,000 £80,000 £80,000
UK excluding London median annual salary £45,000 £45,000 £41,500
% change year-on-year - +8.43% -1.19%

zOS
Job Vacancy Trend

Job postings citing zOS as a proportion of all IT jobs advertised.

Job vacancy trend for zOS in the UK

zOS
Salary Trend

3-month moving average salary quoted in jobs citing zOS.

Salary trend for zOS in the UK

zOS
Salary Histogram

Salary distribution for jobs citing zOS over the 6 months to 27 January 2022.

Salary histogram for zOS in the UK

zOS
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing zOS within the UK over the 6 months to 27 January 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
England -204 67 £80,000 +18.52% 3
Work from Home - 67 £85,000 - 2
UK excluding London -159 49 £60,000 - 4
London -207 25 £85,000 +25.93%
North of England - 23 £85,000 -
North West - 21 £85,000 -
Midlands -88 11 £50,500 - 1
Scotland -53 8 £57,500 - 1
West Midlands -67 8 £85,000 -
South East - 7 £60,000 - 2
Yorkshire - 2 £80,000 -
East Midlands - 2 £50,500 - 1

For the 6 months to 27 January 2022, IT jobs citing zOS 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 with a requirement for zOS.

1 83 (87.37%) Mainframe
2 80 (84.21%) Windows
3 74 (77.89%) IBM
4 71 (74.74%) COBOL
5 69 (72.63%) Test Automation
6 67 (70.53%) Assembly Language
7 62 (65.26%) Self-Motivation
8 61 (64.21%) Virtual Machines
8 61 (64.21%) SDLC
8 61 (64.21%) Test Strategy
9 19 (20.00%) Linux
10 12 (12.63%) Azure
11 11 (11.58%) Banking
11 11 (11.58%) RACF
12 10 (10.53%) SQL
12 10 (10.53%) Oracle
12 10 (10.53%) DB2
12 10 (10.53%) Unix
13 9 (9.47%) IBM Mainframe
13 9 (9.47%) API Integration
14 8 (8.42%) CA
15 7 (7.37%) TCP/IP
15 7 (7.37%) JCL
15 7 (7.37%) Middleware
15 7 (7.37%) Finance
15 7 (7.37%) WebSphere
15 7 (7.37%) AWS
15 7 (7.37%) Visual Studio Team System
15 7 (7.37%) Git (software)
15 7 (7.37%) Team Foundation Server

zOS
Co-occurring IT Skills 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 (7.37%) WebSphere
2 5 (5.26%) CICS
2 5 (5.26%) WebLogic
Applications
1 1 (1.05%) Microsoft PowerPoint
1 1 (1.05%) MS Visio
Business Applications
1 4 (4.21%) Postilion
Cloud Services
1 12 (12.63%) Azure
2 7 (7.37%) AWS
3 5 (5.26%) GCP
3 5 (5.26%) Microsoft 365
4 4 (4.21%) SaaS
5 1 (1.05%) PaaS
Communications & Networking
1 7 (7.37%) TCP/IP
2 6 (6.32%) Internet
2 6 (6.32%) LAN
2 6 (6.32%) WAN
2 6 (6.32%) Wireless
3 5 (5.26%) HTTP
3 5 (5.26%) HTTPS
3 5 (5.26%) Intrusion Detection
3 5 (5.26%) IPsec
3 5 (5.26%) Kerberos
3 5 (5.26%) Network Security
3 5 (5.26%) NNTP
3 5 (5.26%) SSL
3 5 (5.26%) X.509
4 4 (4.21%) ATM
5 2 (2.11%) Firewall
6 1 (1.05%) OSPF
Database & Business Intelligence
1 10 (10.53%) DB2
2 4 (4.21%) Adabas
3 1 (1.05%) DataStage
Development Applications
1 7 (7.37%) Bitbucket
1 7 (7.37%) Gerrit
1 7 (7.37%) Git (software)
1 7 (7.37%) GitLab
1 7 (7.37%) Team Foundation Server
1 7 (7.37%) Visual Studio Team System
2 5 (5.26%) Jenkins
2 5 (5.26%) Sonatype Nexus
3 4 (4.21%) Eclipse
General
1 11 (11.58%) Banking
2 7 (7.37%) Finance
3 2 (2.11%) Retail
3 2 (2.11%) Retail Banking
3 2 (2.11%) Social Skills
4 1 (1.05%) Inclusion and Diversity
4 1 (1.05%) Presentation Skills
Job Titles
1 7 (7.37%) Developer
1 7 (7.37%) DevOps Engineer
2 6 (6.32%) Analyst
2 6 (6.32%) Architect
2 6 (6.32%) Senior Analyst
2 6 (6.32%) SOC Analyst
2 6 (6.32%) Solutions Architect
3 5 (5.26%) Mainframe Architect
4 4 (4.21%) Adabas Natural Developer
4 4 (4.21%) Payments Architect
4 4 (4.21%) Payments Solutions Architect
5 3 (3.16%) Assembler Developer
5 3 (3.16%) IBM Assembler Developer
5 3 (3.16%) IBM Mainframe Developer
5 3 (3.16%) Mainframe Assembler Developer
5 3 (3.16%) Programmer
5 3 (3.16%) Senior Developer
5 3 (3.16%) Systems Engineer
5 3 (3.16%) z/OS Engineer
5 3 (3.16%) z/OS Systems Programmer
Libraries, Frameworks & Software Standards
1 7 (7.37%) Middleware
2 6 (6.32%) ISPF
2 6 (6.32%) WebSphere MQ
3 5 (5.26%) LDAP
3 5 (5.26%) SAML
4 4 (4.21%) XML
5 3 (3.16%) .NET
6 1 (1.05%) Kafka
Miscellaneous
1 83 (87.37%) Mainframe
2 62 (65.26%) Self-Motivation
3 9 (9.47%) IBM Mainframe
4 5 (5.26%) Cloud Native
4 5 (5.26%) PKI
4 5 (5.26%) Private Cloud
5 2 (2.11%) Management Information System
6 1 (1.05%) Clustering
6 1 (1.05%) Enterprise Software
6 1 (1.05%) Security Operations Centre
6 1 (1.05%) VSAM
Operating Systems
1 80 (84.21%) Windows
2 19 (20.00%) Linux
3 10 (10.53%) Unix
4 7 (7.37%) CoreOS
5 6 (6.32%) AIX
6 2 (2.11%) MVS
Processes & Methodologies
1 69 (72.63%) Test Automation
2 61 (64.21%) SDLC
2 61 (64.21%) Test Strategy
3 9 (9.47%) API Integration
4 7 (7.37%) DevOps
4 7 (7.37%) Infrastructure as Code
5 6 (6.32%) Agile Software Development
5 6 (6.32%) Cybersecurity
6 5 (5.26%) Case Management
6 5 (5.26%) CI/CD
6 5 (5.26%) Ethical Hacking
6 5 (5.26%) Identity Access Management
6 5 (5.26%) Identity Management
6 5 (5.26%) Information Security
6 5 (5.26%) Multi-Factor Authentication
6 5 (5.26%) Regulatory Compliance
6 5 (5.26%) Security Architecture
6 5 (5.26%) Security Monitoring
7 3 (3.16%) Coaching
7 3 (3.16%) Storage Management
Programming Languages
1 71 (74.74%) COBOL
2 67 (70.53%) Assembly Language
3 10 (10.53%) SQL
4 7 (7.37%) JCL
5 4 (4.21%) Natural
5 4 (4.21%) REXX
6 3 (3.16%) Java
7 1 (1.05%) CLIST
7 1 (1.05%) Python
Qualifications
1 5 (5.26%) CISM
1 5 (5.26%) CISSP
1 5 (5.26%) SANS
2 1 (1.05%) DBS Check
Quality Assurance & Compliance
1 5 (5.26%) GDPR
1 5 (5.26%) HIPAA
1 5 (5.26%) ISO/IEC 27001
1 5 (5.26%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
1 5 (5.26%) NIST
2 1 (1.05%) QA
System Software
1 61 (64.21%) Virtual Machines
2 11 (11.58%) RACF
3 7 (7.37%) Docker
4 5 (5.26%) Active Directory
4 5 (5.26%) OpenAM
4 5 (5.26%) OpenIDM
5 3 (3.16%) Time Sharing Option
6 2 (2.11%) ACF2
6 2 (2.11%) Job Entry Subsystem
Systems Management
1 7 (7.37%) Ansible
1 7 (7.37%) Kubernetes
1 7 (7.37%) Opscode Chef
1 7 (7.37%) Puppet
1 7 (7.37%) Terraform
2 5 (5.26%) CA Single Sign-On
2 5 (5.26%) Istio
2 5 (5.26%) Oracle Identity Management
2 5 (5.26%) Single Sign-On
3 1 (1.05%) CA Endevor
3 1 (1.05%) OMEGAMON
3 1 (1.05%) zSecure
Vendors
1 74 (77.89%) IBM
2 10 (10.53%) Oracle
3 8 (8.42%) CA
4 6 (6.32%) Apple
5 5 (5.26%) CyberArk
5 5 (5.26%) ForgeRock
6 2 (2.11%) BMC
6 2 (2.11%) Broadcom
6 2 (2.11%) Google
7 1 (1.05%) Casewise