Jonathan S.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.

Senior Systems Engineer with 10+ years of experience delivering customer-facing IT infrastructure and project support in both large wide area networks across geographically dispersed offices, as well as locally redundant and highly available environments. Providing technical leadership and expert advice for on-prem server, cloud, network, and security operations. Technical liaison between vendors, executives, and Production/Development teams. Long-term planning and scaling infrastructure horizontally and vertically to achieve technical and financial goals. Complex requirement integration for hybrid environments with a strong focus on explicit denial-style security. Compliance focused with both NIST and CMMC practices, developing standardized documentation, automation, and ensuring secure, efficient, and highly available systems.