Sr Systems Engineer(M365)

Sr Systems Engineer (M365) (JN -062026-423727) Plano, Texas Salary: USD12000 - USD140000 per year The Senior Systems Engineer (M365) is a senior‑level infrastructure professional responsible for the design, implementation, operation, and continuous improvement of enterprise systems across a global, multi‑office environment. This role requires deep hands‑on technical expertise combined with the ability to lead by example, guide other engineers, and take ownership of complex technical outcomes. This position is suited for a senior engineer who enjoys staying close to the technology, proactively solving problems, and supporting a team to deliver reliable, secure, and scalable infrastructure. Key responsibilities Core Engineering Responsibilities Design, build, operate, and support Cloud infrastructure (M365, Azure, etc.) Serve as a senior technical escalation point (Tier 3) for complex infrastructure issues, including incident response and root‑cause analysis Install, configure, and maintain hardware, software, and cloud services across enterprise environments Monitor system performance, availability, and storage utilization, and proactively address risks, capacity issues, and technical debt Plan and execute system upgrades and improvements to support growth, stability, and security Implement and maintain security standards and controls across infrastructure platforms Maintain accurate and up-to-date technical documentation, standards, and procedures #J-18808-Ljbffr Ultimate Staffing Services