Frantisek Janus

My current role involves continuous contribution to the migration of high-volume services to AWS, focusing on platform architecture and automation. I define and manage core cloud environments, leveraging deep expertise in Terraform for Infrastructure as Code (IaC) to accelerate deployment and enforce configuration consistency.

Contributed to the engineering and maintenance of a highly-available email service for millions of users, ensuring robustness and reliability. Led migration to AWS (EKS, EC2, RDS) for greater scalability. Managed the complete technology stack, from on-premise hardware to cloud-native applications, gaining end-to-end operational expertise. Automated and managed infrastructure using Kubernetes, Terraform, Ansible, Python, and Bash. Participated in 24/7 on-call rotation.

Focused on microservices with Spring Boot and Apache Kafka. Maintained and extended CI/CD pipelines (Jenkins) and automated testing (JUnit). Managed Linux host configuration/deployment with Ansible and enterprise monitoring (Splunk, Prometheus). Served as a Security Champion. Core technologies include Java, CloudFoundry.

Contributed to the design and executed the build-out and integration of the core infrastructure for a new ‘HSM as a Service’ product.

Led technical implementation and management of LAN, data center, MPLS VPN, and WAN optimization projects. Architected and deployed a network automation framework using Ansible, Python, and GitLab CI/CD. Provided expert 3rd-level/24/7 on-call support for critical network incidents. Core technologies: Cisco IOS, Checkpoint, Riverbed Steelhead.

Member of Network Delivery team which delivers services based on ITIL and ITSM standards to corporate WW / EMEA clients of HP. • NW Design, Implementation, Deployment and Costing • Project Management (with NW Infrastructure) • Preparation, planning and implementation of complex network changes (including Impact evaluation, creation of Rollback plans, Scheduling & communication with the customer) • Checkpoint FW management (Security policies, NAT, routing, IPsec VPN)

• Leading of firewall management team (Juniper ISG & SSG firewalls) • Problem and Change management • Radius servers administration (Juniper – Steel-Belted Radius) • Writing and maintaining technical documentation • Preparation and implementation of network changes • Providing guidance and mentoring to other team members • Environment with strong focus on physical and IT security

2nd line support responsible for support of networks interconnecting national bodies of EU • Incident, Problem, Change management • Administration of multi-vendor network devices (Cisco, Juniper Netscreen, BlueCoat) • Resolving connection problems that needed to be checked on regular basis to meet SLA agreements • Maintaining and upgrading local network infrastructure to meet highest security standards • Environment with strong focus on physical and IT security

Hewlett-Packard contingent worker dedicated to the European Commission secure network sTESTA (SIS, EUROPOL, VISA, EuroDAC). • 1st Line customer support responsible for support of networks interconnecting national bodies of EU • Support of multi-vendor network devices (routers, switches, firewalls, packet shapers, IPsec VPN devices) • Monitoring of ISP lines, making sure they comply with SLAs • Resolving of network issues or their escalation to the higher level (Incident management).

Computer networks, Mobile Networks

Computer networks and systems