Senior Systems Administrator

Key Responsibilities Provide expert level system administration support for classified test area computing environments, including Linux/Real Time Linux systems, engineering workstations, test area servers, clusters, and network attached devices supporting RDT&E activities. Maintain and secure all standalone IM/IT systems by managing performance upgrades, security patches, backups, account administration, access control, and system documentation; act as technical point of contact for vendor hardware/software support. Support specialized simulation environments and real time systems, ensuring reliable operation of test area computers, data storage systems, networking components, and systems used for HITL and multispectral test operations. Provide technical support for system integration, network implementation, application development, VTC/meeting support, ITE asset management, disaster recovery planning, configuration control, and IM/IT help desk operations. Support development, implementation, and maintenance of RDT&E enclaves including patches, configuration baselines, DREN connectivity, AP systems maintenance, corporate/individual backups, and security audit log generation aligned with required accreditation frameworks. Required Qualifications More than 10 years of relevant experience in systems administration, Linux engineering, IM/IT support, or secure system operations within classified DoD environments. Demonstrated ability to independently perform all mission critical duties and oversee or guide junior technical personnel when required. Expert proficiency with Linux based system administration, real time computing environments, system integration, patching, troubleshooting, and configuration management. Strong familiarity with classified system cybersecurity requirements, audit log generation, RMF, JSIG compliance, security patching workflows, access control management, and enclave configuration. Experience supporting specialized RDT&E systems, simulation platforms, test area servers, engineering workstations, and distributed laboratory networks. Education & Certification Master’s degree in an information technology, cybersecurity, systems engineering, or related discipline required. DoD 8570/8140 certifications strongly preferred (e.g., CISSP, Linux+; other IAM/IAT level certifications applicable to TS/SCI environments). Clearance Requirement Active TS/SCI clearance. U.S. citizenship required. Canvas was founded by Jami Peyton in 2007 to deliver real-world engineering and technology solutions that strengthen national defense. Since then, we’ve been guided by technical excellence, operational insight, and a shared commitment to the warfighter. Teamwork drives everything we do, enabling close collaboration across programs, customers, and colleagues to solve complex challenges. Our work supports key national security priorities like missile defense, test and evaluation, digital transformation, and warfighter readiness. As an award-winning company built on integrity, agility, and innovation, Canvas continues to grow and deliver mission-critical solutions that support the future of national defense. #J-18808-Ljbffr