Dmitrii Mudraninets

• Led a team of two engineers, emphasizing the advanced applicaton and optmizaton of Infrastructure as Code (IaC) Achievements: • Further improved the IaC iniLatve, elevatng automaton and operatonal efficiency. Realized a substantal deployment Lme reduction from 30-60 minutes to just 30-60 seconds per workload. • Designed and implemented an actonable plan for the preliminary phases of ISO 27001 implementation. Recognized by project managers and the CTO for strategic insights.

• Pioneered the introduction and foundation of Infrastructure as Code (IaC) in the IT infrastructure. Achievements: • Architected a complete IT infrastructure revamp, creating a secure and scalable Hyper-Converged Infrastructure (HCI). This initiative cut maintenance time per host update from 5 human hours to 20 minutes per the whole cluster. • Promoted to Tech Lead based on demonstrated expertise and vision in innovating and modernizing IT infrastructure management.

• Driving IT strategy and ensuring integrity, efficiency and security of system architecture. • Updating infrastructure using modern technologies to maximise performance for complex IoT/AI projects. • Leading and coaching the team of 4 engineers; setting goals, allocating tasks and assessing performance. • Liaising with C-level management and stakeholders to communicate projects, deliverables and budgets.

• Designed system architecture from scratch, developed integrated solutions to meet business requirements and enhance system performance, security and availability. • Implemented automation solutions for continuous integration and deployments, developed scripts and tools. • Supported effective documentation for architecture design, implemented hardware and software solutions. • Installed, configured new hardware, and rebuilt existing systems: servers, storage and network equipment.

• Managed company’s development environment (Atlassian stack). • Maintained cloud-based infrastructure (Ansible, Debian, Ubuntu), centralised system alerts . • Maintained security of IT infrastructure, including system hardening and penetration testing.

• Maintained datacentre environment (10x42U racks): servers (including NAS), storage and backup systems. • Provided infrastructure (hardware and OS) as a service to software development teams. • Implemented containerisation solutions to improve DevOps processes, troubleshooted issues. • Collaborated with engineering teams: DBA, developers, monitoring and system administrators.

• Provided technical support for over 200 customers worldwide, via phone and online customer portal. • Supported on-site engineers with action plans and recommendations, through electronic ticketing system, phone and webex sessions. Created several knowledge bases as part of knowledge management processes. • Mentored and coached a junior engineer, supporting with complex tasks.

I designed and implemented whole company's IT infrastructure after act of sabotage. I performed all required activities to rebuild everything from scratch including the following: • distributed network (offices and shops in Saint-Petersburg and Moscow) • virtualization cluster • NAS and backup strategy • complete audit of company's software, hardware and business processes related to IT and security • mentoring System Administrator and Desktop Support personnel • Security hardening

• Responsible for company’s open source software stack, supported development and production environment, installed and upgraded operating systems and applications. • Implemented and deployed solutions at the customer site, for commercial and government clients. • Developed and maintained company’s virtualisation stack based on Proxmox and Citrix Xen Server.

Implementations, support and development of new services (virtual hosting, game hosting). Network internal resources support and development.

Equipment installation, maintenance service of IP network, servers administration, users consultation.

12 hosts computer network administration, assistance in resolving technical questions.