Manage your entire planning cycle with the Cosuno platform and benefit from our one-size-fits-all solution
Platform & Security Engineer
Location
Germany
Posted
50 days ago
Salary
€80K - €100K / year
Seniority
Mid Level
Job Description
Platform & Security Engineer
Cosuno
Your mission You'll take over full ownership of infrastructure, security, compliance, and internal IT — domains currently handled directly by our CTO. You'll have complete autonomy and the trust to run these areas as you see fit. This is a hands-on individual contributor role. There is no team to manage — you'll be the person doing the work, not delegating it. We're looking for someone who is sharp, self-directed, and comfortable owning broad responsibility across multiple domains. In your first few months, you might: - Lead our ISO 27001 certification and establish the processes to maintain it going forward - Take ownership of our Terraform configurations across AWS and GCP, improving structure and reliability - Respond to security questionnaires from enterprise customers, helping us close deals faster - Streamline employee IT onboarding and access management across our SaaS tooling stack - Set up and manage MDM, tooling, and IT support for the team How we work At Cosuno, we believe in giving people real ownership and trusting them to do their best work. For this role, that means: - High autonomy, high impact: You'll own your domains end to end. You'll be writing Terraform, responding to audits, configuring tooling, and solving problems yourself — with the full support of the CTO and Engineering team when you need it. - DevOps mindset: Our infrastructure is managed as code with Terraform, deployed to AWS and GCP via Kubernetes, with self-hosted CI/CD runners. You'll be working with a modern, well-structured stack. - Compliance as a product: We treat security and compliance seriously — not as a checkbox, but as a genuine part of how we build trust with enterprise customers. - Collaborative by default: You'll work closely with our Full Stack Engineering team, who can support on infrastructure when capacity allows. Your profile You'll be a great fit if you have: - Full professional fluency in German and English — a significant part of our compliance and customer-facing security work is conducted in German, and this is a firm requirement - Solid experience with cloud infrastructure (AWS and/or GCP) and infrastructure-as-code (Terraform) - Comfort operating Kubernetes in a production environment - The ability to pick up new domains quickly — whether that's navigating an ISO 27001 audit or setting up an MDM solution, you figure things out by thinking clearly, not by having done it ten times before - A pragmatic, ownership-driven mindset: you're equally comfortable debugging a Kubernetes issue and writing a security policy - The organisational maturity to manage multiple open threads — an audit, an RFI, an infra task — without things slipping Bonus points for: - Experience with ISO 27001 or other security certifications - Experience with compliance automation tooling (Vanta, Drata, Kertos, or similar) - Familiarity with GDPR operational requirements (DPAs, DSARs, vendor reviews) - CI/CD experience, including self-hosted runners - Prior experience at a B2B SaaS startup Why us? - Competitive Compensation: A competitive salary above the market average. - Work-Life Balance: Choose to work 100% remotely or from our modern office in Berlin. We offer flexible working hours to fit your life. - Top-Notch Equipment: A new MacBook Pro to ensure you have the best tools for the job. - A Great Team: Regular company off-sites and team events that connect us as people, not just colleagues. - Job Security: A permanent contract in a stable, well-funded company. About us Cosuno – Revolutionizing construction through technology. We are Cosuno – a fast-growing tech startup that is making the construction industry more efficient and transparent with our digital platform for tenders and procurement processes. Our goal: to solve the most complex challenges in the industry with innovation and simplicity. Artificial intelligence is the key to our solution: it analyzes millions of price data points and helps construction companies create precise and efficient bids. This not only saves our customers time but also helps them avoid unnecessary costs. But for us, it's not just about technology – it's about the people who drive it. At Cosuno, you will work with creative minds who are reshaping the construction industry. We believe in diversity because we know that the best ideas come from different perspectives. An integrative and inclusive work environment is a matter of course for us. Join us – Build the future of construction.
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