SIERA Alliance jobs
5+ live openings at SIERA Alliance, refreshed daily. See your AI match score on each role and apply in one click — free.
Updated 2026-08-17 · every count on this page is measured from SIERA Alliance's live OnJob listings
Key takeaways
- SIERA Alliance has 5 live openings on OnJob.io, most of them in Cologne and Düsseldorf.
- Biggest hiring functions: Engineering (5).
- 5 of the 5 listings on this page were posted in the last 30 days.
- None of the 5 listings on this page publish a pay range.
What does SIERA Alliance's hiring look like?
SIERA Alliance has 5+ live roles on OnJob.io, concentrated in Cologne, Düsseldorf, Hagen, hiring mostly for Engineering. Create a free profile to see your AI match score on every SIERA Alliance opening before you apply.
What jobs is SIERA Alliance hiring for right now?
SIERA Alliance has 5 live openings on OnJob.io, refreshed daily, including 5 new roles posted in the last 30 days, mostly in Cologne, Düsseldorf, Hagen. The biggest demand is for Engineering roles.
Every figure here is computed live from SIERA Alliance's current OnJob.io listings — real counts, not estimates. Refreshed daily; last built 2026-08-17.
5+
Live openings
5
New in last 30 days
Which teams is SIERA Alliance hiring for?
| Function | Open roles |
|---|---|
| Engineering | 5 |
Which cities have the most SIERA Alliance openings?
- Cologne 3 roles
- Düsseldorf 1 role
- Hagen 1 role
Open roles at SIERA Alliance
Baustoffprüfer (m/w/d)
SIERA Alliance
Cologne
Senior Bauingenieur Geotechnik (m/w/d)
SIERA Alliance
Cologne
Projektleiter Altlasten/Rückbau/Deponie (m/w/d)
SIERA Alliance
Düsseldorf
Projektleiter Bauingenieur Geotechnik und Spezialtiefbau (m/w/d)
SIERA Alliance
Hagen, North Rhine-Westphalia, Germany
Projektleiter (m/w/d) vorsorgender Bodenschutz / Bodenkundliche Baubegleitung
SIERA Alliance
Cologne
Other companies hiring
Frequently asked questions
Everything you need to know before you create your free profile.
Create My Free Profile How many jobs does SIERA Alliance have open right now?
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SIERA Alliance has 5 live openings on OnJob.io, hiring in Cologne, Düsseldorf, Hagen. The set is rebuilt from SIERA Alliance's own live postings every time the OnJob feed refreshes, so a role disappears from this page as soon as it stops being advertised.
Are SIERA Alliance jobs full-time, contract or internships?
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Across the 5 SIERA Alliance listings on this page the mix is 5 full time. Employment type comes from what SIERA Alliance published on each posting, so a role is only counted in a bucket when the company stated it — nothing here is inferred from the job title.
Does SIERA Alliance publish salaries on its job listings?
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None of the 5 SIERA Alliance listings on this page publish a pay range, so there is no advertised salary to report for SIERA Alliance right now. OnJob shows pay only where the employer stated it and never estimates, so an empty figure here means the company did not publish one.
Does SIERA Alliance hire for remote or work-from-home roles?
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None of the 5 SIERA Alliance listings on this page are tagged remote or work-from-home — every current opening is tied to an office in Cologne, Düsseldorf, Hagen. OnJob's work-from-home feed collects the remote roles other employers have open right now if that is what you need.
How do I apply for a SIERA Alliance job on OnJob?
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Open any SIERA Alliance listing on this page and apply with your AI-optimized, ATS-ready OnJob profile in one click. Each role carries a match score against your profile, so you can see how close you are before you spend time on the application. Searching and browsing are free and need no account.
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