Senior DevOps Engineer (AWS Platform & Backend Support)
š©šŖ Germany
Management
Node.js
Python
TypeScript
Docker
AWS
MySQL
Terraform
GitHub
Design
Golang
Backend
Cybersecurity
Devops
Senior DevOps Engineer (AWS Platform & Backend Support)
from š©šŖ Germany
š We are on the mission to build Europeās leading energy management platformto provide fair, clean energy to everyone. ā”
Weāre a diverse team of50+ employees, with46% being female and from16+ nationalities, and steadily growing. Havingraised of over ā¬40 M in total, we are looking for passionate people to join us on our mission! š
š©šŖ Wir haben eine klare Mission: Wir bauen Europas führende Plattform für Energiemanagement, umfaire und saubere Energie für alle zugƤnglich zu machen. ā”
Unser Team ist vielfƤltig ā wir sind über50 Personen aus mehr als16 NationalitƤten, mit einemFrauenanteil von 46 %. Und wir wachsen weiter!
Mit über40 Mio. ⬠an Finanzierung suchen wir nach motivierten Menschen, die gemeinsam mit uns die Energiezukunft gestalten wollen. š
About the Role
We are looking for a Senior DevOps Engineer to take ownership of our cloud infrastructure and help evolve a modern AWS-based platform. You will work on reliability, observability, automation, security, and CI/CD ā and occasionally support backend engineers with troubleshooting or small contributions to our backend services.
This role is ideal for someone who enjoys building scalable systems, improving developer workflows, and driving technical excellence across a growing engineering team.
What You Will Do
Own and improve AWS infrastructure across staging and production environments.
Build, maintain, and standardize Infrastructure-as-Code usingTerraform.
Manage and optimize containerized workloads onECS Fargate.
Strengthen observability: metrics, dashboards, alerting, and logging.
Improve CI/CD pipelines usingGitHub Actions.
Enhance IAM, secrets management, and overall cloud security posture.
Perform maintenance of databases running on RDS (Postgres, MySQL).
Support backend teams with debugging, migrations, or small changes inNode.js/NestJS when needed.
Drive automation, reliability, and scalability across the platform.
What Weāre Looking For
Core Technical Skills
AWS Expertise, including but not limited to:
VPC (subnets, routing, NAT gateways, ALBs, security groups)
Route53
ECS (Fargate)
Lambda
RDS (MySQL/Postgres)
SQS/SNS
CloudWatch
S3
Strong experience withTerraform.
Deep understanding ofAWS networking and secure infrastructure design.
Experience operatingRDS (backups, upgrades, failovers, troubleshooting).
Hands-on CloudWatch experience (metrics, dashboards, Logs Insights, alarms).
Good understanding ofevent-driven systems (SQS, SNS, Lambda triggers, retries, DLQs).
Strong proficiency withDocker and containerized deployments.
Experience withGitHub Actions and modern CI/CD workflows.
Programming skills inTypescript,Python orGolang.
Experience setting up amonitoring stack.
Additional Desired Experience
Experience withDocker image hardening and optimization (multi-stage builds, non-root users).
Familiarity withAPI gateways or automatingOpenAPI specifications.
Experience integratingSSO/SAML/OIDC for cloud and internal tools.
Experience improvingsecrets management.
Familiarity with secure file transfer mechanisms (SFTP/SSH key setups).
Experience withdistributed backend architectures (microservices, event-driven, multi-service systems).
Who You Are
Have 5+ years of experience as a DevOps Engineer.
You take ownership and think long-term.
You are systematic, structured, and pragmatic.
You communicate clearly and proactively.
You collaborate easily with backend engineers and product teams.
You bring calmness and maturity during incidents and debugging.
You are able to quickly learn new technologies and apply them to solve problems.
š About Us
Weāre Germanyās fastest-growing digital green energy provider and a Certified B Corp⢠, driving the energy transition by making renewable energy more accessible and inclusive.
How? Through variable tariffs, dynamic pricing, smart EV charging, heat pump and solar optimization, and Germanyās first virtual power plant: NeoGridā¢.
At Ostrom, youāll work in a dynamic, open environment where you can be yourself, take on challenges, and grow both personally and professionally.
š±Environmental Impact: Each customer who switches to Ostrom on average helps offset 1.5 tons of CO2 emissions per year compared to the average German energy mix.
š VSOP: On top of offering a competitive salary you will have access to company shares to ensure you can truly be part of the journey.
š Trust-based Team: A truly flat hierarchy and transparent company culture, where everyoneās voice matters.
šŖš½Benefits: An annual learning budget, company-pension scheme, company events, discounted USC membership, discounted BVG public transport ticket, e-bike or e-moped, exclusive discounts via FutureBens or monthly vouchers - the choice is yours.
š¬Stay In The Loop: We believe in transparent communication ā from weekly town halls and quarterly updates to regular retrospectives. Got feedback or an idea? Weāre all ears.
š¤Work Together, Celebrate Together: We thrive on collaboration. Wins are shared and so are the celebrations from monthly happy hours to team trips and company events.
šWork Your Way: Whether you prefer the office, your home desk, or a sunny spot in Sardinia ā you work where you work best.
šLearn By Doing: We grow together with personal development paths, learning budgets, and regular knowledge-sharing sessions. Try things out, learn along the way, and keep moving forward.
š©šŖ Ćber Uns
Wir sind der am schnellsten wachsende digitale Ćkostromanbieter mit B Corp⢠Zertifizierung in Deutschland ā und treiben die Energiewende aktiv voran. Unser Ziel: Erneuerbare Energie für alle zugƤnglich und inklusiv machen.
Wie? Mit variablen Tarifen, dynamischem Strompreis, Smart EV Charging, Optimierung von WƤrmepumpen und Solaranlagen sowie Deutschlands erstem virtuellen Kraftwerk: NeoGridā¢.
Bei Ostrom arbeitest du in einem offenen, dynamischen Umfeld, in dem du du selbst sein kannst, Herausforderungen annimmst und dich kontinuierlich weiterentwickelst.
š±Nachhaltigkeit, die zƤhlt: Mit deinem Wechsel zu Ostrom unterstützt du aktiv die Energiewende. Unsere Kund*innen helfen im Schnitt, jƤhrlich 1,5 Tonnen COā gegenüber dem deutschen Durchschnittsstrommix einzusparen.
šWertschƤtzung, die sich auszahlt: Neben einem attraktiven Gehalt erhƤltst du bei uns VSOPs ā Unternehmensanteile, mit denen du direkt am Erfolg von Ostrom beteiligt bist.
šTeamkultur auf Augenhƶhe: Bei Ostrom leben wir flache Hierarchien und eine offene Feedbackkultur. Deine Meinung zƤhlt ā vom ersten Tag an.
šŖš½Benefits: Du erhƤltst ein flexibles Paket mit vielen Extras ā von einem jƤhrlichen Weiterbildungsbudget, über eine betriebliche Altersvorsorge, bis hin zu einer vergünstigten USC-Mitgliedschaft, einem vergünstigten BVG Jobticket oder deinem eigenen E-Bike bzw. E-Roller und sowie Rabattcodes über FutureBens. Alternativ wƤhlst du monatliche Gutscheine ā du entscheidest, was dir wichtig ist.
š¬Transparenz: Ob in wƶchentlichen Townhalls, vierteljƤhrlichen Updates oder offenen Retrospektiven ā wir glauben an klare Kommunikation und kontinuierlichen Austausch.
š¤Erfolge feiern wir gemeinsam: Teamarbeit steht bei uns im Mittelpunkt ā und genauso feiern wir auch unsere Erfolge: mit regelmƤĆigen Happy Hours, Team-Ausflügen und unvergesslichen Company Events.
šWork you way: Ob im Berliner Büro, im Homeoffice oder remote unter der Sonne ā bei uns arbeitest du dort, wo du am produktivsten bist.
šWachse mit uns: Persƶnliche Entwicklung ist bei Ostrom keine Floskel. Wir unterstützen dich mit Lernbudgets und Raum zum Ausprobieren ā damit du dich fachlich und persƶnlich kontinuierlich weiterentwickeln kannst.