Senior Windows Systems Administrator

Minimum Yrs of Experience, Skills, and Qualifications 8+ years of experience administering Windows Server environments in a large enterprise or government organization. 5+ years of hands‑on experience with SCCM/MECM, including deployments and patch management. 5+ years of experience administering Active Directory in a multi‑domain or enterprise‑scale environment. Strong experience with vulnerability remediation and security patching in regulated or compliance‑driven environments. Demonstrated proficiency with PowerShell scripting and automation. Experience managing both internal (PKI) and external/public certificates. Experience operating within formal change management processes. Strong troubleshooting and problem‑solving skills for enterprise server environments. Ability to work independently while collaborating as part of a larger infrastructure team. Strong written and verbal communication skills. Preferred Skills and Qualifications Experience supporting Windows Server 2019/2022 in highly available, enterprise environments. Experience working in government, transportation, or other large public‑sector organizations. Familiarity with ITIL or ITSM frameworks and operational best practices. Experience supporting hybrid or cloud‑integrated environments (e.g., Azure‑connected services). Knowledge of enterprise security standards and audit requirements. Relevant Microsoft certifications (Windows Server, SCCM, Azure, or security‑related certifications).