IBM z/OS
UK

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 28 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
28 May 2024
Same period 2023 Same period 2022
Rank 867 912 1161
Rank change year-on-year +45 +249 -254
Permanent jobs citing zOS 47 40 76
As % of all permanent jobs advertised in the UK 0.046% 0.041% 0.046%
As % of the Operating Systems category 0.34% 0.26% 0.24%
Number of salaries quoted 39 35 36
10th Percentile - £41,250 £35,075
25th Percentile £42,139 £51,417 £42,500
Median annual salary (50th Percentile) £87,610 £64,029 £58,966
Median % change year-on-year +36.83% +8.59% -4.89%
75th Percentile £92,000 £67,500 £67,125
90th Percentile £122,572 £71,652 £71,875
UK excluding London median annual salary £43,072 £54,441 £57,931
% change year-on-year -20.88% -6.02% +15.86%

All Operating Systems
UK

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.

Permanent vacancies with a requirement for operating system skills 13,986 15,669 31,425
As % of all permanent jobs advertised in the UK 13.63% 16.10% 18.82%
Number of salaries quoted 10,693 10,509 16,510
10th Percentile £26,000 £27,000 £26,250
25th Percentile £31,250 £35,000 £35,750
Median annual salary (50th Percentile) £45,000 £52,500 £52,500
Median % change year-on-year -14.29% - +5.00%
75th Percentile £62,500 £71,250 £71,250
90th Percentile £80,000 £92,000 £87,500
UK excluding London median annual salary £42,500 £45,000 £45,000
% change year-on-year -5.56% - -

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 28 May 2024.

Salary histogram for zOS in the UK

zOS
Top 13 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 28 May 2024. 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 +82 46 £87,610 +36.83% 9
Work from Home +90 40 £87,610 +49.27% 2
London +153 26 £87,610 +34.78% 5
UK excluding London -25 17 £43,072 -20.88% 3
North of England +38 9 £43,072 -10.73% 1
Yorkshire +67 6 - -
South West - 4 £43,072 - 1
Midlands - 3 £43,072 - 1
North West +7 2 £57,036 +5.62% 1
West Midlands - 2 £43,072 -
Wales - 1 £43,072 -
North East - 1 £43,072 -
East Midlands - 1 £43,072 - 1

zOS
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (6.38%) SAS
2 1 (2.13%) CICS
Business Applications
1 1 (2.13%) Postilion
Cloud Services
1 16 (34.04%) GCP
2 4 (8.51%) Amazon S3
2 4 (8.51%) AWS
2 4 (8.51%) Azure
2 4 (8.51%) Azure Sentinel
3 1 (2.13%) GitHub
Communications & Networking
1 1 (2.13%) ATM
1 1 (2.13%) DWDM
Database & Business Intelligence
1 24 (51.06%) SQL Server
2 15 (31.91%) DB2
3 12 (25.53%) BigQuery
3 12 (25.53%) Data Hub
3 12 (25.53%) Enterprise Data Warehouse
3 12 (25.53%) MongoDB
4 1 (2.13%) Easytrieve
4 1 (2.13%) Relational Database
Development Applications
1 1 (2.13%) Jenkins
General
1 31 (65.96%) Social Skills
2 26 (55.32%) Banking
3 25 (53.19%) Finance
4 20 (42.55%) Financial Institution
5 1 (2.13%) Public Sector
Job Titles
1 12 (25.53%) Lead
1 12 (25.53%) Technical Leader
2 10 (21.28%) Infrastructure Engineer
3 8 (17.02%) Database Engineer
4 4 (8.51%) Data Engineer
4 4 (8.51%) Programmer
4 4 (8.51%) Security Engineer
4 4 (8.51%) Systems Programmer
4 4 (8.51%) z/OS Systems Programmer
5 2 (4.26%) DB2 DBA
5 2 (4.26%) DBA
6 1 (2.13%) Administrator
6 1 (2.13%) Architect
6 1 (2.13%) Mainframe Architect
6 1 (2.13%) Mainframe Support
6 1 (2.13%) Solutions Architect
6 1 (2.13%) Storage Engineer
6 1 (2.13%) Storage Specialist
6 1 (2.13%) Support Engineer
6 1 (2.13%) Systems Engineer
Libraries, Frameworks & Software Standards
1 12 (25.53%) Kafka
2 8 (17.02%) Middleware
3 6 (12.77%) ISPF
4 1 (2.13%) XML
4 1 (2.13%) YAML
Miscellaneous
1 20 (42.55%) Cyberattack
1 20 (42.55%) Data Fabric
2 18 (38.30%) Mainframe
3 16 (34.04%) Public Cloud
4 12 (25.53%) Data Centre
5 11 (23.40%) IBM Mainframe
6 8 (17.02%) Cyber Threat
6 8 (17.02%) Replication
7 4 (8.51%) Cyber Kill Chain
8 1 (2.13%) Distributed Computing
8 1 (2.13%) LPAR
8 1 (2.13%) VSAM
Operating Systems
1 27 (57.45%) Linux
2 24 (51.06%) Windows
3 12 (25.53%) CentOS
3 12 (25.53%) Solaris
3 12 (25.53%) Ubuntu
3 12 (25.53%) Unix
Processes & Methodologies
1 25 (53.19%) Disaster Recovery
2 24 (51.06%) ETL
3 16 (34.04%) Incident Response
4 14 (29.79%) Performance Monitoring
5 12 (25.53%) Analytics
5 12 (25.53%) Data Management
5 12 (25.53%) Database Optimisation
5 12 (25.53%) Key Management
6 11 (23.40%) Agile
6 11 (23.40%) Infrastructure Engineering
7 10 (21.28%) Information Security
8 8 (17.02%) Batch Processing
8 8 (17.02%) Data Encryption
8 8 (17.02%) Problem-Solving
9 6 (12.77%) Risk Management
10 4 (8.51%) Data Security
10 4 (8.51%) Dynamic Application Security Testing
10 4 (8.51%) Ethical Hacking
10 4 (8.51%) MITRE ATT&CK
10 4 (8.51%) Static Application Security Testing
Programming Languages
1 13 (27.66%) SQL
2 10 (21.28%) JCL
3 9 (19.15%) REXX
4 3 (6.38%) Assembly Language
5 2 (4.26%) COBOL
6 1 (2.13%) CLIST
6 1 (2.13%) Python
Qualifications
1 11 (23.40%) Security Cleared
2 10 (21.28%) SC Cleared
3 4 (8.51%) CISM
3 4 (8.51%) CISSP
4 1 (2.13%) Degree
Quality Assurance & Compliance
1 4 (8.51%) ISO/IEC 27001
1 4 (8.51%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
1 4 (8.51%) NIST
System Software
1 10 (21.28%) Time Sharing Option
2 4 (8.51%) RACF
3 3 (6.38%) ACF2
3 3 (6.38%) NFS
4 1 (2.13%) Job Entry Subsystem
4 1 (2.13%) Microcode
Systems Management
1 5 (10.64%) OMEGAMON
2 1 (2.13%) Ansible
2 1 (2.13%) MAINVIEW
2 1 (2.13%) Tivoli Storage Manager
Vendors
1 29 (61.70%) IBM
2 12 (25.53%) Databricks
2 12 (25.53%) F5
2 12 (25.53%) Oracle
3 9 (19.15%) Splunk
4 8 (17.02%) Broadcom
5 4 (8.51%) Qualys
6 3 (6.38%) Brocade
6 3 (6.38%) CA
6 3 (6.38%) Dell
7 1 (2.13%) BMC
7 1 (2.13%) Microsoft