IEC 61508 Job Trends

IEC 61508
UK

The table below provides summary statistics and salary benchmarking for jobs requiring IEC 61508 skills. It covers permanent job vacancies from the 6 months leading up to 18 November 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Nov 2025
Same period 2024 Same period 2023
Rank 625 716 689
Rank change year-on-year +91 -27 +286
Permanent jobs citing IEC 61508 25 29 25
As % of all permanent jobs in the UK 0.047% 0.043% 0.048%
As % of the Quality Assurance & Compliance category 0.33% 0.30% 0.32%
Number of salaries quoted 9 3 13
10th Percentile £49,750 £62,200 £56,500
25th Percentile £51,250 £63,250 £62,500
Median annual salary (50th Percentile) £57,500 £70,000 £70,000
Median % change year-on-year -17.86% - +42.86%
75th Percentile £75,000 £74,375 £75,000
90th Percentile - £74,750 -
UK excluding London median annual salary £56,685 £67,000 £70,000
% change year-on-year -15.40% -4.29% +42.86%

All Quality Assurance and Compliance Skills
UK

IEC 61508 falls under the Quality Assurance and Compliance category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring quality assurance or compliance skills.

Permanent vacancies with a requirement for quality assurance or compliance skills 7,631 9,569 7,767
As % of all permanent jobs advertised in the UK 14.50% 14.29% 14.77%
Number of salaries quoted 4,438 4,303 5,949
10th Percentile £30,000 £31,250 £32,295
25th Percentile £40,000 £42,200 £43,750
Median annual salary (50th Percentile) £57,500 £60,000 £60,000
Median % change year-on-year -4.17% - +4.35%
75th Percentile £77,500 £78,750 £77,500
90th Percentile £95,000 £97,250 £93,750
UK excluding London median annual salary £50,000 £50,000 £53,000
% change year-on-year - -5.66% +6.00%

IEC 61508
Job Vacancy Trend

Historical trend showing the proportion of permanent IT job postings citing IEC 61508 relative to all permanent IT jobs advertised.

IEC 61508 job vacancy trend in the UK

IEC 61508
Salary Trend

Salary distribution trend for jobs in the UK citing IEC 61508.

Salary distribution trend for jobs in the UK citing IEC 61508

IEC 61508
Salary Histogram

Salary distribution for jobs citing IEC 61508 over the 6 months to 18 November 2025.

Salary histogram for IEC 61508 in the UK

IEC 61508
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing IEC 61508 within the UK over the 6 months to 18 November 2025. 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
UK excluding London +89 22 £56,685 -15.40% 28
England +90 21 £75,000 +7.14% 30
Midlands - 9 £61,250 - 5
West Midlands - 7 £75,000 - 4
North of England +49 6 £47,500 - 2
North West +41 5 - -
Work from Home +86 4 £75,000 +3.45% 10
South East +50 4 - - 1
London +49 3 £75,000 +7.14% 6
South West +22 3 £55,000 -10.57% 14
Wales +14 3 £57,500 - 4
East Midlands - 2 £47,500 - 1
Yorkshire - 1 £47,500 - 2
Scotland - 1 - - 1

IEC 61508
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 7 (28.00%) WinCC
2 4 (16.00%) FactoryTalk
3 2 (8.00%) ArchestrA
Applications
1 1 (4.00%) AutoCAD
1 1 (4.00%) EPLAN
1 1 (4.00%) Microsoft Office
Communications & Networking
1 8 (32.00%) Modbus
2 7 (28.00%) Firewall
3 3 (12.00%) Profibus
4 1 (4.00%) Ethernet
Development Applications
1 2 (8.00%) Git
General
1 5 (20.00%) Manufacturing
2 3 (12.00%) Aerospace
2 3 (12.00%) Automotive
2 3 (12.00%) Military
2 3 (12.00%) Social Skills
3 2 (8.00%) Aviation
4 1 (4.00%) Electronics
Job Titles
1 9 (36.00%) Principal Engineer
2 7 (28.00%) Senior
3 5 (20.00%) Infrastructure Engineer
3 5 (20.00%) Safety Engineer
4 4 (16.00%) Control Systems Engineer
4 4 (16.00%) Embedded Engineer
4 4 (16.00%) Lead
4 4 (16.00%) Software Engineer
4 4 (16.00%) Systems Engineer
5 3 (12.00%) Engineering Manager
5 3 (12.00%) Senior Infrastructure Engineer
5 3 (12.00%) Senior Manager
6 2 (8.00%) Embedded Firmware Engineer
6 2 (8.00%) Embedded Software Engineer
6 2 (8.00%) Firmware Engineer
6 2 (8.00%) Lead Infrastructure Engineer
6 2 (8.00%) Lead Software Engineer
6 2 (8.00%) Lead Systems Engineer
6 2 (8.00%) Software Support Engineer
6 2 (8.00%) Support Engineer
Miscellaneous
1 8 (32.00%) Operational Technology
1 8 (32.00%) SCADA
2 7 (28.00%) Driving Licence
3 5 (20.00%) Legacy Systems
3 5 (20.00%) Renewable Energy
4 2 (8.00%) Algorithms
4 2 (8.00%) FPGA
4 2 (8.00%) Onboarding
5 1 (4.00%) ARM Cortex
5 1 (4.00%) Embedded Systems
Operating Systems
1 7 (28.00%) Windows
1 7 (28.00%) Windows Server
2 5 (20.00%) Windows Server 2016
3 3 (12.00%) Windows Server 2019
4 1 (4.00%) FreeRTOS
4 1 (4.00%) SafeRTOS
Processes & Methodologies
1 6 (24.00%) Software Engineering
2 5 (20.00%) FMECA
2 5 (20.00%) Infrastructure Engineering
2 5 (20.00%) Presales
2 5 (20.00%) Stakeholder Engagement
3 4 (16.00%) Cybersecurity
3 4 (16.00%) Safety Engineering
3 4 (16.00%) Technical Leadership
4 3 (12.00%) Network Design
4 3 (12.00%) Project Delivery
4 3 (12.00%) Project Management
4 3 (12.00%) Supply Chain Management
4 3 (12.00%) System Testing
5 2 (8.00%) Agile
5 2 (8.00%) CI/CD
5 2 (8.00%) Configuration Management
5 2 (8.00%) Logistics
5 2 (8.00%) OO
5 2 (8.00%) Test Automation
5 2 (8.00%) Workshop Facilitation
Programming Languages
1 4 (16.00%) C
2 2 (8.00%) Ladder Logic
3 1 (4.00%) C++
Qualifications
1 12 (48.00%) Degree
2 8 (32.00%) BPSS Clearance
3 5 (20.00%) Chartered Engineer
4 4 (16.00%) Master's Degree
5 3 (12.00%) SC Cleared
5 3 (12.00%) Security Cleared
6 2 (8.00%) HNC
6 2 (8.00%) HND
Quality Assurance & Compliance
1 7 (28.00%) QA
2 6 (24.00%) Def Stans
2 6 (24.00%) IEC 61131
3 3 (12.00%) DO-254
3 3 (12.00%) ISO 26262
4 2 (8.00%) HAZOP
5 1 (4.00%) DO-178B
5 1 (4.00%) IEC 62304
System Software
1 7 (28.00%) Firmware
1 7 (28.00%) Hyper-V
1 7 (28.00%) VMware Infrastructure
2 2 (8.00%) Embedded Firmware
Systems Management
1 5 (20.00%) Functional Safety
Vendors
1 9 (36.00%) Siemens
2 8 (32.00%) Rockwell
3 7 (28.00%) VMware
4 3 (12.00%) Allen-Bradley