Sr. System Operator – TS/SCI Department: Government Customer – Chantilly Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE REQUIRED TO BE CONSIDERED FOR THIS POSITION Job Responsibilities • Provide 8x5 operational support for system administration, monitoring, and maintenance activities supporting mission and business operations. • Monitor system health, performance, availability, and operational status to ensure reliable and effective system functionality. • Execute established operational procedures, routine system checks, scheduled maintenance, and technical troubleshooting activities. • Identify, investigate, document, and escalate system alerts, performance issues, and operational incidents as appropriate. • Support users by responding to technical inquiries, troubleshooting system issues, and coordinating problem resolution. • Maintain accurate operational documentation, system logs, incident records, maintenance records, and standard operating procedures. • Assist with system configuration, software updates, routine maintenance, and operational readiness activities. • Coordinate with system administrators, engineers, cybersecurity personnel, and mission stakeholders to resolve technical issues and maintain operational continuity. • Support cybersecurity compliance and Assessment and Authorization (A&A) activities as required. • Ensure system operations comply with established security requirements, operational procedures, and applicable policies. • Provide operational status updates, issue reports, and technical information to government stakeholders and leadership as required. Required Qualifications • Experience supporting system operations, administration, technical monitoring, or enterprise IT infrastructure. • Knowledge of system health monitoring, troubleshooting, routine maintenance, and operational support procedures. • Experience performing system checks, responding to operational alerts, and resolving or escalating technical issues. • Familiarity with enterprise operating systems and system administration practices. • Ability to execute established standard operating procedures and maintain accurate operational documentation. • Experience supporting users and coordinating technical issue resolution with engineering or system administration teams. • Understanding of basic cybersecurity principles, system security requirements, and operational compliance practices. • Strong troubleshooting, communication, organizational, and problem-solving skills. • Ability to support an 8x5 operational schedule. • Active Top Secret/SCI clearance. Desired Qualifications • Bachelor's degree or relevant technical education in Information Technology, Computer Science, Information Systems, or a related field. • Experience supporting operational systems within the Department of Defense (DoD), Intelligence Community (IC), or other federal government environments. • Familiarity with Windows, Linux, or comparable enterprise operating environments. • Experience using enterprise system monitoring, logging, incident management, and performance assessment tools. • Experience supporting mission-critical applications, operational infrastructure, or high-availability systems. • Knowledge of network operations, system administration, security configuration management, and infrastructure maintenance. • Familiarity with Assessment and Authorization (A&A), Risk Management Framework (RMF), and government cybersecurity compliance requirements. • Professional certifications such as CompTIA Security+, Network+, Linux+, or equivalent technical credentials. TENICA is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.