Security Engineer, Criteo
The commerce media platform for the open internet
Job no longer available
The commerce media platform for the open internet
1001+ employees
Job no longer available
1001+ employees
Company mission
To help marketers and media owners reach their goals through the world's leading Commerce Media Platform.
Role
Who you are
- Bachelor's degree in Computer Science, or a related field (or equivalent practical experience)
- Strong computer science fundamentals (computer architecture, operating systems concepts)
- Ability to produce, understand, and analyse code in at least one popular programming language without assistance (example languages: Golang, Python, Ruby, Java, C#, C++, Rust)
- Ability to heavily leverage LLMs in your daily work, while maintaining a strong understanding of the output, as well as potential pitfalls
- Strong analytical skills and capacity for adversarial thinking
- Effective verbal and written communication skills for collaboration and reporting
- Previous professional experience is preferred but not required
- Interest in cybersecurity
- Passion for designing and implementing technical solutions to difficult problems
- Ability to influence without authority to drive security best practices
- Organizational skills to manage multiple complex tasks effectively
- Perseverance in continuously improving security systems and tackling complex challenges
What the job involves
- As a Security Engineer in the “Security Yellow” team, you will be at the forefront of our efforts to protect Criteo from cybersecurity threats
- Criteo’s technical environment is complex, consisting of thousands of custom services, over 40,000 servers and a diverse technology stack spanning hybrid cloud and on-premise environments
- Your role will be a blend of software engineering, and site reliability engineering
- Develop software that bridges traditional security tools (like SIEMs) with cutting edge technologies like frontier-LLMs, to help ensure that Criteo’s cyber defences evolve more rapidly than the threat actors who target us
- Assist Criteo engineers in integrating security into the software they design
- Create and extend systems that solve technical problems that are core to security, such as, Secrets management, asset tracking, detection & Response, vulnerability Scanning
- Run, monitor, and maintain range of custom built, open source, and paid security systems spanning on-premise and cloud infrastructure, such as ElasticSearch (ELK) stack, OpenCTI, Fleetdm, Hashicorp Vault
- Respond to production incidents impacting security systems that run on both Kubernetes and bare metal servers
- Translate Blue team challenges and requirements into concrete technical solutions that empower them to prevent, detect and respond to security threats
- Collaboration:
- Work closely with Security Blue team to ensure the security right tools and infrastructure is in place
- Collaborate with engineers across the company, helping them integrate security into their designs
- The security group consists of approximately 30 members, divided in 4 teams: a compliance team, a Yellow team, a Blue team, and an Identity & Access Management team
- This position will report to the Yellow Team Dev Lead
- The yellow team’s mission is to design and build long-term security systems, promote security by design, and contribute to it in software engineering efforts across the company
Our take
Commerce marketing is a huge business with billions spent every year on adverts. And companies that help businesses create and deliver more targeted adverts can command a lot of value. Criteo is one such company operating in this space.
Criteo is a personalised retargeting company connecting marketers and media owners through its Commerce Media Platform, delivering richer consumer experiences. Criteo uses machine-learning technology and data to drive performance, helping marketers and media owners reach their goals.
As marketers are increasingly looking for commerce media solutions, Criteo is operating in a sought-after space. Further, around 73% of media owners seek to optimise media performance as a way to both generate awareness and drive revenue, meaning the company has a significant potential client base. Criteo has continued to make headway here, driving 5 billion ads per day, and is well set to see further adoption of its platform.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
6% employee growth in 12 months
Company
Funding (last 2 of 4 rounds)
Sep 2012
$38.6m
SERIES D
May 2010
$7m
SERIES C
Total funding: $59.6m
Company HQ
New Athens, Paris, France
Leadership
Michael Komasinski
(CEO)Prior to joining Criteo in 2025, Michale was the CEO of the America and Group President of Data and Technology at dentsu. He also spent nearly 9 years at Merkle, in various roles, including President of the Americas and Global CEO.
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