Systems Engineer

Flightradar24 is the world’s most popular flight tracking service. We are a successful and profitable Swedish founded global company. More than 3 million people use our website and mobile apps every day.


Now and then, when global aviation events occur, our traffic can easily increase by an order of magnitude. Using technologies like FreeBSD / HAproxy together with BGP and ECMP enabled us to manage unexpected increases in load. This was one of the key components that helped us obtain the Guinness World Record for most tracked flight in history.


In addition to our systems and cloud infrastructure we also operate a globally distributed network of 40,000 Raspberry Pi-based radio receivers, feeding real-time aircraft data into our platform.


We’re now looking for more talented and driven systems engineers who is well versed in systems administration, private cloud, and IT infrastructure automation to strengthen our Infrastructure team.


What you’ll do
Standardize and automate the provisioning of infrastructure resources via Infrastructure-as-Code, orchestration, and configuration management
Optimize the reliability and performance of on-prem and cloud
Contribute to scaling out of infrastructure and services to cloud platforms
Interact closely with our developers to deliver a highly performant and reliable live production platform, and investigate production issues for continuous improvement
Be part of developing our future private cloud based on open technologies like OpenStack, Ceph, and KVM, and integration with public clouds
Work with and improve our tech stack, including: Linux, FreeBSD, Ansible, Terraform, Docker, MariaDB, Redis, RabbitMQ, HAproxy, Nginx, Cloudflare, AWS, Azure, Datadog, Jenkins
Preferable experience
Extensive professional experience in Linux system administration and operations, preferably on large-scale low latency systems
Hands-on experience with service orchestration, containerization, automation, scripting, configuration management
Passionate about high performance computing and want to modernize and optimize our infrastructure for the big flows of data that we process
Experience with virtualization, preferably KVM
Networking experience, e.g. switch and firewall configuration and routing, is desirable
AWS cloud experience, e.g. EC2, S3, RDS, IAM, VPC, is a plus
A self-starter who naturally assumes responsibility for driving projects forward
Fluency in English, both spoken and written. Comfortable working in a distributed team of multiple nationalities
About Flightradar24
With over 4 million daily users, Flightradar24 is the world’s most popular flight tracking service. Our app regularly tops the App Store and Google Play Travel charts. We also offer a wide range of commercial services and our customers include many of the biggest names in aviation.


We're constantly adding new services and improving existing products. To help us meet those challenges, we're looking for creative, collaborative and tech-savvy applicants to join us.


Benefits of working at Flightradar24 include:


Opportunity to impact a service with millions of end users from all around the world
Flexible and social work environment with free beverages, fruit, and snacks
Modern office in the heart of beautiful downtown Stockholm, Sweden
Being part of a diverse team with 30 nationalities and 6 continents represented with English being our main languagewith English being our main language