Company Overview: Subsidium, Inc. is a global provider of engineering, systems integration, technical, and programmatic services to both Government and Commercial entities. Subsidium provides mission critical services to Department of Defense (DoD) customers in CONUS, OCONUS, and forward deployed environments. Our customers demand the innovative, flexible, and mission focused approach that we deliver. Subsidium is dedicated to helping our customers overcome challenges through innovative solutions; particularly the continuing and evolving challenges presented in the transformation of the U.S. military and in the global war on terror. Subsidium and its employees are committed to mission accomplishment and organizational excellence. Location: 601 Pennsylvania Ave. NW (North and South Buildings), Washington, D.C. Job Summary: The National Gallery of Art is an art museum in Washington, D.C. The Gallery serves the nation by welcoming all people to explore and experience art, creativity, and our shared humanity. The Gallery develops the understanding of art through collecting and exhibiting in ways that reflect our nation and its histories; preserving its collections for future generations; and delivering compelling public programs and events, engaging digital experiences, and groundbreaking scholarship. The National Gallery uses Information Technology (IT) in the execution of its mission. The information technology services are managed by Treasurer's office of Digital Solutions (TDS). These services are delivered through various departments within TDS. The purpose of this work is to acquire highly technical contractor personnel to augment the National Gallery's information technology staff supporting Tier 3 and Tier 4 operations for the back-Office technology infrastructure/services. Responsibilities/Duties: Proactively monitor all environments for known vulnerabilities in deployed configurations. Proactively research newly identified vulnerabilities/cyber threats reported by various information sources to include but not limited to vulnerabilities reported by software/hardware vendors, reported by TDS-IS, published by Infrastructure Security Agency (CISA) and information publicly available on the internet through product-specific forums. Use Cyber Security tools, provided by TDS-IS, for proactively identifying vulnerabilities in newly developed software images, new software releases/updates, and configuration changes and remediations. Research/develop and test technical solutions/strategies for remediation of vulnerabilities. Deploy patches and security remediations across the endpoint computing environment (windows, Mac and Mobile Devices). During surge needs, the position is responsible for substituting for the role of software release manager and imaging positions. Validate software release process/technical procedures. Develop master images and deployment procedures. Develop and maintain compliance checklists for release of new software and/or configuration changes. Work with stakeholders for software deployment/updates in adherence with the Change Control Process. Responsible for within team communication of critical issues, documentation of process updates and best practices. Qualifications: Hands-on senior level experience with Knowledge of multi-platform (Microsoft Windows, MacOS and Mobile) operating systems and software. Hands-on senior level experience as Ivanti Software Administrator for endpoint management, software configuration, and security compliance of endpoint devices. Hands-on senior level experience with technologies involved in software and operating system deployment in a large enterprise. Senior-level Experience with Microsoft Excel (experience with Microsoft Access and/or any other advance data manipulation solutions will be preferred). Strong knowledge of Microsoft Active Directory, DNS, DHCP and endpoint performance management tools. Strong knowledge of endpoint security compliance and remediations. Strong analytical and troubleshooting skills, including the ability to identify, research, and resolve simple to moderately complex technical support issues independently. Must be familiar with the latest hardware platforms for endpoint computing. Excellent customer service skills. Self-motivated and takes initiative. Proficient project planning and writing skills. Mac Genius experience. Experience providing engineering support of Active Directory, DNS, and Microsoft client application components such as Office 365 and Power Apps. Experience with Active Directory including a strong foundation in AD directory service technologies, authoring of Group policies, and troubleshooting domain functions. Hands on experience designing and configuring Microsoft Windows and Mac End User technology including Antivirus, patch management and other System Administration tools, including but not limited to Ivanti Endpoint Manager and JAMF. Experience developing detailed Windows and Mac Administrative standards, design, and implementation documentation. Experience capacity planning, performance monitoring and maintenance. Strong hands-on experience with endpoint security tools such as Nessus vulnerability scanner, Microsoft Defender, McAfee and encryption technologies. Education/Certifications: Requires hands-on 5+ years of hands working knowledge in the areas mentioned in qualifications, in an environment with 1000+ Microsoft Windows and MacOS endpoint devices. (MCP) Microsoft Certified Professional or (MCSE) Microsoft Certified Solutions Expert highly desired. Benefits and Perks: Medical / Vision and Dental Plans. Holiday and Personal Time Off Pay. 401K. Life Insurance. Education and Training Assistance Program (discussed during the onboarding process). Incentive Plans and Referral Bonuses. Employee Assistance Programs. Subsidium, Inc is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. #J-18808-Ljbffr