Senior Network & Security Engineer (w/m/x/d)
MILES Mobility GmbH · Berlin
What this role requires
13 requirements, read out of the advert rather than guessed from the job title:
Also mentioned, not required: containers, CI, GDPR, ISO 27001, English. Worth having, but their absence is not what gets a CV filtered out.
See how often each of these is required across open security roles in Europe.
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Job description
Join the ride! You own the network and security posture of our platform end to end: the cloud environments our services run in, the connections between vehicles, offices (VPN), back-office systems (Admin-Tools), and the controls that keep customer and payment data safe. Our product runs on the street around the clock. Your work keeps it reachable, keeps the wrong people out, and makes every change to the network reviewable and reversible. This position is Berlin based.
Your Responsibility Design, build and run our cloud networks: VPCs, routing, DNS, load balancing, private connectivity and zero-trust access for staff and services
Own identity and access: single sign-on, multi-factor authentication, roles and least-privilege access across cloud, tools and application systems
Harden the platform: firewall and WAF policy, TLS and certificate lifecycle, secrets management, host and container baselines
Run vulnerability management from scan to fix, and lead security incident response with clear write-ups
Keep all network and security configuration as code, reviewed and deployed through CI
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Monitor for abuse and outages, and set alerting that wakes people only when it should
Support audits and customer security questionnaires with evidence that already exists
Effectively deploy and use AI agents
Your Experience 5+ years running production networks and security for an online service, with on-call experience
Deep networking fundamentals: TCP/IP, DNS, TLS, routing, VPN and firewalls, on a public cloud and on physical office networks
Hands-on with one major cloud provider's networking and IAM, and with infrastructure as code such as Terraform or OpenTofu
Identity engineering in practice: OIDC and SAML single sign-on, MFA rollout, role design and access reviews
Security operations: vulnerability scanning, log analysis, incident handling and clear post-incident write-ups
Comfortable with Linux, containers and CI pipelines, and able to read code in at least one language
Working knowledge of GDPR and of what a security audit such as ISO 27001 asks for
Fluent English, and eligible to work in Germany
Highly desired Experience in mobility, logistics, IoT or another product with devices in the field talking to a backend
Zero-trust access tooling and web application firewalls in front of public services
Secrets management and workload identity between CI and cloud, with no long-lived keys
Securing payment flows and card data, and the compliance work that comes with them
Daily use of AI coding agents, reviewing their output like any pull request
Nice to have A valid driving licence (EU category B or equivalent). Testing the product includes trips on the road.
Don't tick every box? Get in touch anyway. Your drive to learn and grow matters a lot to us.
Benefits Mobility: Choose between monthly MILES credits or the Deutschlandticket.
Fitness: Enjoy a subsidized Urban Sports Club membership for your physical and mental well-being.
Discounts: Access 1,500+ providers for discounts on sneakers, theater visits, and more.
Home Office: Enjoy the flexibility of working from our office in Berlin and from home.
Retirement: Secure your financial future with our attractive pension plan.
Growth: We prioritize personal development through knowledge sharing and training opportunities (with the support from our HR Team and the Team Leads).
Social Impact: We dedicate a portion of our revenue to support regional social projects, actively contributing to the well-being of society and the environment. #milescharity
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