Senior Microsoft 365 Engineer

We are seeking a Senior Systems Engineer, with expertise with M365. Thisis a senior‑level, full time role with our client, where they are looking for an infrastructure professional to be 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. Our client does not work with AWS or Azure, but does work extensively with M365 cloud infrastructure. Location: Onsite in Plano, TX, 5 days per week. Salary: Up to $120,000 (please let us know what you are targeting). 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. Core Engineering Responsibilities Design, build, operate, and support Cloud infrastructure (M365) 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 Automation & Platform Improvement Support and implement automation initiatives to improve reliability, efficiency, and consistency Manage and support open‑source platforms and tools used within the infrastructure environment Continuously evaluate and improve tooling, monitoring, and operational processes Team Collaboration & Leadership Provide technical guidance and mentoring to systems administrators and engineers. Support team members by reviewing designs, assisting with complex troubleshooting, and sharing best practices Coordinate with cross‑functional teams to deliver infrastructure projects and operational improvements Support escalated helpdesk requests when required Work flexibly with Asia and Brazil time zones to support global operations Job Requirements: Education Bachelor’s degree in Computer Science or a related field Relevant certifications such as Microsoft, VMware, NetApp, or Commvault are desirable Experience 9‑12 years of experience in enterprise IT or infrastructure engineering roles Demonstrated experience working in global, multi‑site environments Proven ability to independently own and deliver complex technical solutions Technical Skills Strong experience with hybrid cloud environments , including: VMware and Hyper‑V virtualization platforms Administration of Microsoft M365 services (Hybrid Exchange, SharePoint Online, Teams, OneDrive, Intune) using PowerShell Strong programming /scripting skills Strong experience with backup, restore, and disaster recovery solutions Administration of Windows Server operating systems Management of Active Directory, Group Policy, DNS, DHCP, and hybrid identity environments Support of Exchange Server (on‑premises and cloud) hybrid environments Experience managing NAS and SAN storage platforms Experience supporting Kubernetes (K8s) environments Working knowledge of networking fundamentals , including TCP/IP, LAN/WAN, VPN/SSL, and endpoint security Experience with monitoring platforms such as Zabbix, including dashboards and alerting Management of SCCM/MECM , OS imaging, compliance baselines, and WSUS patching Strong troubleshooting skills across servers, endpoints, virtualization, backups, and cloud platforms Professional Attributes Strong verbal and written communication skills Highly organized with the ability to manage priorities and time effectively Proactive, self‑motivated, and comfortable working independently Strong analytical and problem‑solving skills with attention to detail Collaborative mindset with the ability to work effectively across global teams Comfortable taking ownership and accountability for technical outcomes Enthusiastic about learning and adopting new technologies Ability to clearly explain technical concepts to both technical and non‑technical audiences Preferred bilingual: Mandarin Desired Skills and Experience MS365 systems engineering All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance. #J-18808-Ljbffr Ledgent Technology