Senior Systems Administrator

Senior Systems AdministratorTechFlow Inc. is an employee-owned company delivering mission-critical technology, engineering, and mission support services to federal government customers. We are seeking a Senior Systems Administrator to play a key role in a critical DOD program — powering the platform that securely collects, analyzes, reports, and exchanges data from Transportation Security Equipment. In this role, you will be responsible for the administration, maintenance, monitoring, and optimization of enterprise IT infrastructure supporting the customers platform, ensuring the stability, security, and availability of mission-critical systems through routine system administration, troubleshooting, and proactive corrective action. You will work closely with cybersecurity personnel, engineers, help desk staff, and government stakeholders to maintain a secure, high-performing operating environment — while collaborating alongside a highly technical team in a dynamic government setting.Hybrid Remote: (Must have the ability to attend in person meetings Northern VA/DC Metro area)Key ResponsibilitiesAdminister, maintain, and support enterprise servers, operating systems, virtual environments, and associated infrastructure supporting the customers platform.Perform routine system administration tasks, including user account management, system monitoring, patch management, backups, and performance tuning.Maintain accurate system administration logs, operational documentation, and configuration records.Monitor system health, identify performance issues, and implement corrective actions to maximize system availability and efficiency.Troubleshoot and resolve complex hardware, software, operating system, network, and application issues in high-volume, high-availability environments.Utilize established debugging tools, protocols, and diagnostic processes to isolate and resolve technical problems.Respond to customer-reported incidents and service requests, providing timely resolution and effective communication throughout the support process.Collaborate with cybersecurity personnel to implement security controls, apply security patches, and maintain compliance with government security requirements.Support system upgrades, software deployments, maintenance activities, and infrastructure modernization initiatives.Assist with disaster recovery planning, backup validation, and system restoration activities.Develop and maintain technical documentation, standard operating procedures, and configuration management records.Participate in after-hours maintenance windows and provide on-call support as required.Compensation: $75,000 - $85,000 annually, commensurate with experience and qualifications.