Wiesbaden, DEU Full-time FLSA Status: Exempt Clearance Requirement: Secret w/ T5 Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Job Description Overview _This position is contingent upon contract award_ SOSi is seeking a Systems Administration Support Specialist (Windows OS) in Wiesbaden, Germany. The ideal candidate will possess expertise in the daily administration, maintenance, and optimization of Microsoft-based server environments. This role involves performing high-level administrative tasks, ensuring network and server availability, and managing secure user environments in support of theater-level mission requirements. Essential Job Duties Provide advanced-level technical support for the daily operations, maintenance, and troubleshooting of Microsoft Server-based operating systems. Execute the daily maintenance of Microsoft Server-based products, including MSSQL, Hyper-V, and Live Communications platforms, to ensure continuous connectivity and optimal performance. Manage and coordinate system security settings and user permissions to ensure authorized personnel have appropriate access to server resources while maintaining strict security protocols. Utilize advanced diagnostic tools to monitor system health, identify potential bottlenecks or failures, and implement proactive administrative fixes. Ensure all system administrative actions align with the Department of Defense Information Network (DoDIN) standards and maintain strict STIG compliance for all Windows assets. Prepare technical documentation, system diagrams, and status reports to support theater-wide processing initiatives and leadership decision-making. Qualifications Minimum Requirements Active in scope Secret clearance with T5. BA/BS degree (Engineering, Computer Science, Science, Business Administration, or Mathematics) plus five (5) years of specialized experience OR Associateu2019s degree plus seven (7) years of specialized experience OR a major professional certification plus seven (7) years of specialized experience OR eleven (11) years of specialized experience. Possession of at least one of the following: MCSA (2012 or 2016) or Microsoft 365 Certified: Endpoint Administrator Associate or Microsoft 365 Certified: Azure Administrator Associate or Microsoft 365 Certified: Administrator Expert or Microsoft 365 Certified: Security Operations Analyst Associate or Azure Solutions Architect Expert or Microsoft Certified: Windows Server Hybrid Administrator. The following experience may be concurrent. Minimum four (4) years of experience using and maintaining Microsoft Server-based OS. Minimum two (2) years of experience with Microsoft Server-based products (e.g., MSSQL, Hyper-V, Live Communications). Minimum two (2) years of direct experience with U.S. military command and control or commercial LAN/WAN communication systems. Additional Information Work Environment Normal office conditions with potential to perform duties in deployed locations. May be requested to work evenings and weekends to meet program and contract needs. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason. SOSi is an equal employment opportunity employer and affirmative action employer. All interested individuals will receive consideration and will not be discriminated against on the basis of race, color, religion, sex, national origin, disability, age, sexual orientation, gender identity, genetic information, or protected veteran status. SOSi takes affirmative action in support of its policy to advance diversity and inclusion of individuals who are minorities, women, protected veterans, and individuals with disabilities.