Role Description The Systems Administrator Senior installs and maintains operating systems and related software and/or administers activities for mainframe operating system, ensuring & achieving high performance of these systems. Qualifications - Bachelor’s degree in Business, Computer Science, Management Information Systems, or related field. In lieu of degree, at least five (5) years of equivalent experience will be considered. - Minimum five (5) years’ direct experience with server support and implementation to include maintaining and supporting open systems, operating systems and client server-based applications. - Experience as a lead in at least one (1) large-scale project. - Comprehensive knowledge and experience with operations and procedures including configuring, tuning, monitoring, securing, and managing server software and hardware. - Comprehensive knowledge of shell and kernel-level programming and system-specific requirements. Requirements - Shell Programming - Kernel-level programming - Microsoft Windows - Analytical Problem Solver - Troubleshooting - Red Hat Linux System Administration - TCPIP Protocols - Domain Name System (DNS) - Storage Virtualization - Disaster Recovery - Project Management - Technical Expertise - Detail-Oriented - Interpersonal - Leadership - Multitasking - Oral & Written Communications - Technical Communication - Configuration Management (CM) - Continued Learning - Directory Services - Disaster Recovery (DR) - Documentation Maintenance - Linux Server Administration - Office Softwares - Oral Communications - Scripting - Server Backups - Technical Project Management - Vulnerability Management - Web Server Administration - Windows Server Management - Written Communication Responsibilities - Analyzes and evaluates user requests for server and technical operations, services, and support. - Assists other department teams with IT server management functions including configuration, operations, installation, maintenance, and performance tuning of all server hardware and software. - Develops comprehensive policy and procedure documents for the open systems server infrastructure. - Monitors daily performance of systems and informs management of the status of the systems relative to previously established performance guidelines. - Performs technical duties assigned, as a member of department team(s), to enhance function and availability of the open system server environment. - Possesses knowledge of the strategic planning process in order to effectively maintain successful server management processes consistent with goals and objectives. - Provides leadership, coaching, and/or mentoring to subordinate groups and may act as a lead or first-level supervisor. - Researches and implements server components including software, hardware, security, administration, policies, and procedures. - Updates reporting mechanisms based on progression of projects. Certifications This position is identified as level three (3). This position must ensure the security and confidentiality of records and information to prevent substantial harm, embarrassment, inconvenience, or unfairness to any individual on whom information is maintained. The integrity of information must be maintained as outlined in the company Administrative Manual. Segregation of Duties Segregation of duties will be used to ensure that errors or irregularities are prevented or detected on a timely basis by employees in the normal course of business. This position must adhere to the segregation of duties guidelines in the Administrative Manual. Employment Type Regular ADA Requirements 1.1 General Office Worker, Sedentary, Campus Travel - Someone who normally works in an office setting or remotely and routinely travels for work within walking distance of location of primary work assignment.

Role Description The Microsoft System Administrator - Senior serves as the senior technical authority for Microsoft infrastructure and enterprise collaboration services supporting the SEC ISS contract. This role ensures secure, resilient, and scalable operations across Windows Server, Active Directory, Microsoft 365 services, and Azure resources in alignment with federal security and compliance requirements. The position leads architecture, advanced configuration, and complex integration efforts across Microsoft platforms and enterprise infrastructure. It also provides technical leadership for Microsoft Teams conferencing and large-scale streaming support for high-visibility SEC events, including commission meetings and town halls. PRIMARY RESPONSIBILITIES - Microsoft Platform Administration - Serve as the senior technical lead for enterprise Windows Server, Active Directory, and Group Policy administration. - Design and implement advanced configurations, upgrades, and hardening for Microsoft server and collaboration environments. - Administer Microsoft 365 services, including Exchange Online, SharePoint Online, and Teams, to ensure high availability and performance. - Ensure secure, reliable, and high-performing Microsoft platform operations across the enterprise. - Azure Cloud and Identity Services - Design, deploy, and manage Azure resources, including virtual machines, storage, and networking services. - Administer Azure Active Directory (Microsoft Entra ID) and hybrid identity services. - Lead integration of Azure cloud services with enterprise systems and on-premises dependencies. - Optimize platform performance, scalability, and operational resilience. - Teams Collaboration and Enterprise Streaming - Architect and support enterprise Microsoft Teams collaboration, conferencing, and streaming capabilities. - Lead planning and delivery support for Teams Live Events and enterprise broadcast solutions. - Oversee live event streaming operations to ensure audio/video quality, scalability, and rapid issue resolution. - Coordinate with stakeholders to sustain reliable enterprise meeting and broadcast service delivery. - Automation, Monitoring, and Service Reliability - Develop and maintain PowerShell automation for provisioning, configuration management, and repeatable operations. - Implement proactive monitoring and tuning across Windows, M365, and Azure environments to reduce incidents and improve service quality. - Troubleshoot complex Microsoft platform and streaming issues to restore services and prevent recurrence. - Drive continuous service improvement across Microsoft infrastructure and collaboration platforms. Qualifications - This position is restricted to U.S. citizens only. Applicants must not hold dual citizenship with any other country to be eligible for work under this contract. - Ability to obtain and maintain SEC Public Trust. - Bachelors in a relevant field. In lieu of degree, additional experience may be required. - 8+ years of experience in senior-level system administration roles focused on Microsoft technologies. - Extensive experience managing enterprise Windows Server environments, Active Directory, Group Policy, and Microsoft 365 services (Exchange Online, SharePoint Online, Teams). - Strong experience supporting Azure services and resources, including Azure Active Directory (Entra ID), virtual machines, storage, and networking. - Experience architecting and supporting Microsoft Teams video conferencing, Teams Live Events, and enterprise streaming solutions. - Windows Server administration, Active Directory, Group Policy, and enterprise Microsoft platform operations. - Microsoft 365 administration (Exchange Online, SharePoint Online, Teams) in enterprise environments. - Azure services administration, including identity, compute, storage, and network resource management. - PowerShell scripting for automation, advanced configuration, and operational efficiency. - Monitoring, troubleshooting, and performance optimization across Microsoft infrastructure and collaboration platforms. Preferred Qualifications - Experience supporting federal enterprise IT environments with strict security, audit, and compliance requirements. - Hands-on experience with Microsoft 365 GCC/G5 service operations and governance. - Experience implementing identity governance controls (e.g., conditional access, MFA, PIM, access reviews) in complex environments. - Experience supporting executive-level Microsoft Teams Live Events and enterprise broadcast operations in distributed organizations. - Microsoft platform certifications aligned to Azure and M365 administration/architecture. - Microsoft Certified: Azure Solutions Architect Expert. - Microsoft 365 Certified: Enterprise Administrator Expert (MS-102). - ITIL 4 Foundation. Original Posting May 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range Pay Range $92,300.00 - $166,850.00. The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

• Build, migrate, and perform in-place upgrades of Windows Server operating systems (2012, 2016, 2022) • Install, configure, upgrade, and maintain server hardware and software • Coordinate system backups, storage, and network operations • Provide second-level remote support for enterprise systems, networks, and desktop applications • Perform remote installations and advanced troubleshooting • Execute complex changes and prepare detailed implementation plans • Monitor servers, antivirus updates, and user administration • Conduct daily health checks, analyze logs, and investigate incidents • Relay alerts and status updates to clients and management • Prepare clear and accurate technical documentation • Develop and deliver user and technical training; may lead small teams on defined projects • Automate server deployment and administration tasks to improve efficiency

Role Description In this role you will ensure all Service Level Agreements are adhered to and provide the client with a high-quality service and drive continuous improvements. You will promote teamwork, provide employees with coaching and feedback for a small/medium size team. You will network with other functions and will interact with Client Leadership and manage the relationship on local (country) and often on regional. - Have good knowledge of the process, policies and desk top procedures within their engagement. - Have good knowledge of the Client business area they support. - Have excellent command of the functionalities of the technology used for the delivery of services in the specific client context. - Be familiar with standard analysis tools/techniques. - Look for and gather key data and conduct a structured analysis. Qualifications - Ensure that the daily activities within your responsibilities are fulfilled properly and timely in accordance with Desktop Procedures and SLA targets. - Is responsible for a customer focused service towards the client. - Demonstrate knowledge of processes and procedures relevant to the function and proactively identifies improvement opportunities. - Proactively share knowledge on Process and related procedures with other team members. - Processing of incoming invoices, with initial problem identification as necessary. - Analyze processes, recommend improvements, and manage all internal controls on documents. Benefits - Flexible work arrangements to provide support. - Remote work, flexible work hours or alternative work schedules to maintain healthy work-life balance. - Career growth programs and diverse professions crafted to support you in exploring a world of opportunities. Company Description Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.