Skill report · Academic Foundations
Operating Systems: demand in job postings
Operating Systems is named in 4% of the 28,652 tech job postings Mettlespark read in the United States and Canada over the last 180 days (1,172 postings), most often for Embedded Software Engineer at 34%, Site Reliability Engineer at 10% and Security Engineer at 8%. When a posting names it, 82% list it as required.
From 28,652 postings in the United States and Canada, April 23, 2026 to October 20, 2026. Updated October 20, 2026. How we count
- Postings naming it
- 1,1724% of all postings
- Required when named
- 82%rather than nice to have
- Senior level or above
- 53%of the postings naming it
- Time to learn
- about 60 hoursfrom zero to job-ready, Mettlespark's estimate
Over time
Its share of postings has held steady since October 2023, comparing like with like.
The roles that ask for it most
The share of each role's postings that name Operating Systems.
| Role | Share of the role's postings |
|---|---|
| Embedded Software Engineer | |
| Site Reliability Engineer | |
| Security Engineer | |
| Platform Engineer | |
| DevOps Engineer | |
| Software Engineer | |
| Cloud Engineer | |
| Solutions Engineer |
Often asked for alongside
The share of postings naming Operating Systems that also name each.
Industries
Where the postings naming it come from.
- Aerospace & Defense27%
- Cybersecurity9%
- Manufacturing & Industrial6%
- Banking & Financial Services5%
Quick answers
Is Operating Systems in demand?
Operating Systems is named in 4% of tech job postings in the United States and Canada over the last 180 days, 1,172 postings, and required in 82% of those. Its share of postings has held steady since October 2023, comparing like with like.
Which jobs ask for Operating Systems?
Embedded Software Engineer, Site Reliability Engineer, Security Engineer and Platform Engineer postings name it most often: 34% of Embedded Software Engineer postings, 10% of Site Reliability Engineer postings, 8% of Security Engineer postings.
What skills go with Operating Systems?
Postings that name Operating Systems most often also name Linux, Python, C++ and CI/CD.
How long does it take to learn Operating Systems?
About 60 hours from zero to job-ready, by Mettlespark's estimate; less with the prerequisites already in hand.