Senior DevOps Engineer (AWS Platform & Backend Support)

Ostrom; Berlin; Vor Ort; EUR 70.000 - 90.000; Vollzeit

Zusammenfassung

A leading energy management platform in Berlin is seeking a Senior DevOps Engineer to manage and improve its AWS infrastructure. The role involves maximizing reliability, automation, and security while working across staging and production environments using tools such as Terraform and GitHub Actions. Ideal candidates have over 5 years of experience in DevOps, a strong background in AWS services, and skills in Docker and programming with Python or Golang. This position offers a competitive salary and appealing benefits package.

Leistungen

Company shares

Relocation support

Annual learning budget

Discounted gym membership

Flexible working environment

Qualifikationen

• 5+ years of experience as a DevOps Engineer.
• Strong experience with AWS services and infrastructure.
• Deep understanding of AWS networking and secure design.

Aufgaben

• Own and improve AWS infrastructure across environments.
• Build and standardize Infrastructure-as-Code using Terraform.
• Enhance CI/CD pipelines using GitHub Actions.

Kenntnisse

AWS Expertise

Terraform

Docker

Python

Golang

Node.js/NestJS

Tools

ECS Fargate

GitHub Actions

CloudWatch

RDS

Jobbeschreibung

🌐 We are on the mission to build Europe’s leading energy management platform to provide fair, clean energy to everyone. ⚡

We’re a diverse team of 50+ employees, with 41% being female and from 16+ nationalities, steadily growing. Having raised over €40 M in total, we are looking for passionate people to join us on our mission! 🚀

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 — 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 using Terraform.
• Manage and optimize containerized workloads on ECS Fargate.
• Strengthen observability: metrics, dashboards, alerting, and logging.
• Improve CI/CD pipelines using GitHub 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 in Node.js/NestJS when needed.
• Drive automation, reliability, and scalability across the platform.

What We’re 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 with Terraform.
• Deep understanding of AWS networking and secure infrastructure design.
• Experience operating RDS (backups, upgrades, failovers, troubleshooting).
• Hands‑on CloudWatch experience (metrics, dashboards, Logs Insights, alarms).
• Good understanding of event‑driven systems (SQS, SNS, Lambda triggers, retries, DLQs).
• Strong proficiency with Docker and containerised deployments.
• Experience with GitHub Actions and modern CI/CD workflows.
• Programming skills in Python or Golang.
• Working knowledge of Node.js/NestJS to support backend engineers occasionally.

Additional Desired Experience

• Experience with Docker image hardening and optimisation (multi‑stage builds, non‑root users).
• Familiarity with API gateways or automating OpenAPI specifications.
• Experience integrating SSO/SAML/OIDC for cloud and internal tools.
• Experience with AWS WAF or KMS (nice to have).
• Experience improving secrets management.
• Experience building reusable CI/CD components (custom GitHub Actions).
• Familiarity with secure file transfer mechanisms (SFTP/SSH key setups).
• Experience with distributed 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.

About Us

We’re Germany’s 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 optimisation, and Germany’s first virtual power plant: NeoGrid™.

At Ostrom, you’ll work in a dynamic, open environment where you can be yourself, take on challenges, and grow both personally and professionally.

🌱 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.

📈 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.

✈️ Relocation package: We won’t let distance get in the way, we offer visa and relocation support.

👭 Trust‑based Team: A truly flat hierarchy and transparent company culture, where everyone’s voice matters.

💪🏽 Benefits: An annual learning budget, company‑pension scheme, company events, discounted gym membership, public transport ticket, e‑bike or e‑moped, Futurebens or monthly vouchers – the choice is yours.

💬 Stay In The Loop: We believe in transparent communication — from weekly town halls and quarterly updates to regular retrospectives. Got feedback or an idea? We’re all ears.

🤝 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.

🌍 Work Your Way: Whether you prefer the office, your home desk, or a sunny spot in Sardinia — you work where you work best.

🚀 Learn 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.