Aliaksander D.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

DevSecOps engineer with 15 years of experience in cybersecurity, software development and linux administration. Creative, motivated and self driven. I enjoy solving problems and coming up with ideal solutions to them. I managed to work with different technologies and languages where I always relied on performance and effectivity. My main responsibilities: Setting up a logging system Integrated automatical security testing tools for continuous vulnerability management. Hardering linux services using CIS benchmarks Security incidents handling (including malware analysis, external attacks on the infrastructure, attacks on the applications and users). Performed security testing of company's applications Develop security cli tools(please see my github profile) Support and creation of wazuh rules API security Develop rules against phishing attacks Maintaining documentation Code threat assessment Stack of technologies: Ansible, OpenStack, KVM, qemu, virtual networks Wazuh, OpenSearch, Filebeat Nftables, iptables Nmap, masscan, hping, selfdev tools Develop rules against phishing attacks Code review Stack of technologies: Ansible, OpenStack, KVM, qemu, virtual networks Wazuh, OpenSearch, Filebeat Nftables, iptables Nmap, masscan, hping, selfdev tools