Security Engineer

We are the fulfillment experts who strive to make 1-day delivery for all customers a reality instead of a wish. We expose the real potential of e-shops and allow them to enter new European markets without unnecessary efforts, delays, and complex formalities - with just one click.

In simple terms, we take all the logistical issues off the shoulders of eCommerce and D2C companies - taking them on ourselves, while our clients can focus on their business growth.

Linker Cloud Fulfillment Network grows every day powered by our Order Management System which manages all logistic operations. We process monthly hundreds of thousands of orders through 35 warehouses in 24 countries. However, we are not attached to these numbers as we know they will go up in a moment and maybe you will contribute to it as well.

If you are looking for a work environment, where every team member plays a crucial role in an entire service development process just scroll down carefully and join our story.




What do we expect from you? 

  • Deep knowledge of security issues specific to web services and web applications 
  • Practical knowledge of Linux and its security features (privilege separation and permission model, SELinux, identity management)
  • Understanding of common IT security issues both from a technical and business perspective
  • Completion of OWASP training (or equivalent knowledge)
  • Proficiency in at least one programming language
  • Thorough understanding of IP networking stack (both IPv6 and IPv4), common application protocols (SSH, HTTP, DNS, SMTP, LDAP, Kerberos, etc.), and tunneling/VPN protocols (IPsec, OpenVPN)
  • Understanding of PKI, X.509 and TLS
  • Ability to quickly learn and adapt to new technologies  

What additional stuff is nice to have? 

  • Knowledge of PHP and JavaScript  
  • Experience with cloud environment and its specific security issues 
  • Familiarity with ISO 27001
  • Participation in CTF events 
  • Running Linux on a personal workstation 
  • Having personal open-source projects  

What challenges are ahead of you? 

  • Performing internal audits of infrastructure and code (taking part in code reviews of critical system parts) 
  • Performing internal pen testing 
  • Working with DevOps engineers and the rest of Infrastructure Team to ensure an appropriate level of security across the whole infrastructure 
  • Guiding development teams towards Secure Software Development Lifecycle 
  • Taking part in design and implementation of company security policy
  • Working with QA Engineers to ensure security testing is conducted correctly
  • Coordinating with external providers of security-related services
  • Verifying security aspects of new projects and integrations with partners
  • Ensuring new projects are compliant with company security policy and GDPR
  • Taking a leading role in the internal security response team (assess discovered vulnerabilities, prepare a response for clients, etc.)
     

Tech Stack in action: 

AWS, Kubernetes, Linux, PHP 7-8.1, Symfony, MySQL, MongoDB, Redis, Keycloak, Elasticsearch, PHPUnit, Behat 

What will you enjoy here? 
  • Innovative environment delivering SaaS software used by fast-growing e-commerce/logistics industry 
  • A highly motivated team with a strong focus on personal growth and open communication 
  • The opportunity to work cross-functionally and closely with senior leadership 
  • Competitive salary 
  • The ability to choose the work model (office, hybrid, remotely) according to your needs 

What can you expect from the recruitment process? 

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