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.