Senior Systems Administrator

Company: Red Cedar Consultancy
Location: Alexandria
Posted on: February 17, 2026

Job Description:

Job Description Job Description Job Title: Senior Systems Administrator Location: 1775 Duke St, Alexandria, VA 22314 (Hybrid) Summary: The Senior Systems Administrator is responsible for managing and maintaining the customer's IT infrastructure, ensuring the secure, reliable, and efficient operation of all systems. This role includes overseeing the deployment, configuration, and support of various systems, including servers, applications, and associated technologies. The Senior Systems Administrator will collaborate with other IT teams to support various projects and initiatives, provide technical expertise and ensure that IT systems are effectively integrated into the organization's strategic objectives. Responsibilities: Managing, maintaining, and coordinating customer's IT infrastructure, including servers, networks, and applications. Overseeing the deployment, configuration, and support of IT systems to ensure optimal performance and security leveraging vSphere, Cloud Service Providers, appliances, and other technologies. Managing Microsoft Servers and Azure Cloud Services across multiple availability zones and physical locations. Performing regular updates, backups, and troubleshooting to maintain system integrity and availability. Delivering unified role-based access across customer's IT services. Collaborating with other IT teams to support various projects and initiatives, providing technical expertise. Developing and implementing IT policies and procedures to ensure compliance with industry standards and regulatory requirements. Participating in security and compliance assessments and audits. Continuously researching and evaluating new technologies and trends to recommend improvements and innovations. Providing technical leadership and guidance to junior staff, helping to develop their skills and knowledge. Ensuring the IT infrastructure is scalable, secure, and efficient, supporting both current and future needs. Developing and maintaining documentation for system configurations and procedures. Implementing and managing security measures to protect the IT infrastructure. Monitoring system performance and addressing any issues that arise. Leading PIOps' IaC automation development. Participating in disaster recovery planning and testing to ensure system resilience. Act as a consultant to the organization by continuously researching and studying the latest trends and issues. Managing and maintaining M365 Conditional Access Policies Requirements: A bachelor's degree in computer science, Information Systems, Engineering, or related field, or equivalent experience. Need someone with active clearance A minimum of five (5) years of experience leading IT systems administration, including experience leading or overseeing enterprise-level infrastructure. Demonstrated expertise in the following tools and technologies: PowerShell (e.g., MS Windows Server, Intune, Entra ID, Active Directory, and virtualization technologies). Windows Task Manager (e.g., Cloud computing platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform). JavaScript (e.g., scripting and automation tools). Terraforms (e.g., diagnosing and resolving complex system and network issues) Azure DevOps Azure DevSecOps Preferred certifications include: Microsoft Certified: Azure Administrator CompTIA Network VMware Certified Professional

Keywords: Red Cedar Consultancy, Burke , Senior Systems Administrator, IT / Software / Systems , Alexandria, Virginia