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Systems Engineer
Coimbra, Portugal · Full-time · €28,000 – €45,000
✓ Licensed Sponsor · PTRelocation
TechnologyPosted 30 Jul 2026
Critical Software, based in Coimbra, builds mission- and safety-critical software for aerospace, defense, and energy clients across Europe. As an internationally-facing employer with EU/ESA contracts, Critical Software sponsors the D3 visa for qualifying international engineering hires.
What you'll do: develop and verify safety-critical software to aerospace/defense standards (e.g. DO-178C); work closely with international clients and certification authorities; contribute across the full software development lifecycle.
What we're looking for: a degree in software or systems engineering, experience with safety-critical or regulated software development, and strong attention to process and documentation.
Visa Sponsorship Information
This employer is listed on the UK Government's Register of Licensed Sponsors. This indicates that the employer holds a sponsorship licence and there may be a possibility of visa sponsorship for eligible positions.
Important: A sponsor licence does not mean that this specific vacancy offers visa sponsorship. Sponsorship depends on the role, occupation, salary, eligibility requirements and the employer's willingness to sponsor. Applicants should confirm sponsorship availability directly with the employer before applying.