Hiring: Systems Engineer SME (TS/SCI with Poly Required) Company: GCI Incorporated Location: Chantilly, VA Job Posted Time: 2026-09-11 13:33:26 Target Skills & Keywords : CentOS, Configuration Management, Java, PL/SQL, REST, Red Hat About the job Required Skills: •Demonstrated experience creating and reviewing documentation related to System Security Plans, or Body of Evidence (BOE) documentation. •Demonstrated experience with A&A processes. •Demonstrated experience with development of System Security Plans. •Demonstrated experience working with system architectures, including hands-on setup, configuration, and optimization of systems. •Demonstrated experience developing using REST Web services. •Demonstrated experience or familiarity with Red Hat, CentOS, or Rocky. •Demonstrated experience with web application development. •Demonstrated experience designing, developing, implementing, or integrating IA and security systems and system components (such as those for networking, virtualization, cloud, and enclave environments to include those with with differing data protection requirements). Qualifications: •The Candidate shall work closely with other teams, including network engineers, data scientists, and customer. •The Candidate shall work closely with the Customer for the execution of tasks, implementation, documentation, and configuration of a standalone HPC system. •The Candidate shall work closely with the Customer to maintain A&A accreditation compliance. •The Candidate shall work closely with the Customer to create the visualization specifications for the system monitoring and system metrics. •The Candidate shall create, document, and update necessary artifacts such as the Configuration Management Plan, Data Management Plan, and CONOPS. •The Candidate shall advise and assist with development of System Security Plans. •The Candidate shall monitor, track, and update status of systems in Customer's RMF tool. •The Candidate shall coordinate technical security assessments of computing environments and systems to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies. •The Candidate shall partner with relevant Customer technical and security POCs to maintain the HPC system with current ATO (Authority to Operate) status. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!