System Administrator - Mid

Position: Systems Administrator in the Intel Security Sector at Leidos. Location: Bethesda, MD; Reston, VA; or Joint Base Anacostia‑Bolling, DC. Key Responsibilities Perform builds, installs, configuration, administration, and troubleshooting in virtual and physical environments to include base configuration, security and system patching. Provide O/S hardening and system patching. Develop scripts to support patching, configuration, and other infrastructure team tasks. Design, develop, and support scalable, redundant infrastructure to include physical and virtualized environments. Set up administrator and service accounts, maintain system documentation, tune system performance, install system wide software, validate and implement system patches, including critical security patches. Additional Responsibilities Monitoring system health, network configuration and performing preventive maintenance. Working with more senior technicians in identifying, troubleshooting, and correcting hardware and software issues including network connectivity. Providing technical assistance to companion work groups in support of overlapping projects and maintaining good inter‑departmental relations. Communicating with users and publishing status of any system outages, as needed. Proactively contacting customers when infrastructure processes are significantly delayed or may impact their ability to complete a business function on time. Executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to identify and remediate IAVAs rapidly and accurately. Initiating IAVA responses and system security scans, completing remediation, and extending IAVA patches and security updates on various IT and network systems. Participating in the creation and ongoing maintenance of documentation to ensure clear, concise, and accurate information is readily available to assist with incident resolution. Undertaking project work and providing support for implementing IT enhancements. Clearance Required Active TS/SCI clearance with the ability to obtain and maintain TS/SCI with Polygraph. Required Experience, Skills, and Education Bachelor’s degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline and 4 years of experience. Additional years of experience in lieu of degree are acceptable. Candidates with a minimum of 3 years of recent experience in the field will be considered. Active TS/SCI clearance with the ability to obtain and maintain TS/SCI with Polygraph. Due to the nature of the government contracts we support, US Citizenship is required. Experience in system integrations testing through a full system development life cycle, including implementing test plans, test cases, and test processes. Working knowledge of COTS and FOSS storage solutions. Working in an Agile project management environment. Experience documenting test results for corrective actions, reporting and audits. Expertise with Windows Server (2016, 2019, 2022) and Windows Desktop (10/11). Experience with Windows Patching and Package management. Experience with Windows Server builds: virtual and physical. Experience and strong understanding of Group Policy Objects, Active Directory, Windows PKI infrastructure, Storage, Remote Access Server, DNS, DHCP and User Profile Management. Strong verbal and written communication skills. Enthusiastic with the ability to work well on a team and a self‑starter who can work on their own. Preferred Experience, Skills, and Education Bachelor’s degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline. Eight years of experience in the field with at least a portion of the experience within the last two years. A significant share of your data analytics experience in direct support of military or intelligence community customers, demonstrating progressive technical development and mission‑focused outcomes. Significant experience dealing with at least two of the following data classes: open source, publicly available information (PAI); forensic media (i.e., DOMEX); measurement and signatures intelligence (MASINT); or cybersecurity and cyber forensics. Experience or familiarity with security standards, software architectures, and/or Network security technologies (Multiple Domain, PKI, SSP, Vulnerability Assessment, etc.). Experience supporting a software configuration management and development environment. Experience with data engineering tools such as Kubernetes/Rancher, Cloudera. Experience with Configuration Management Chef and IaC tools such as Salt or Ansible. Experience with scripting languages, CI/CD tools, Elasticsearch, or Gitlab. Experience working in an air‑gapped environments. #J-18808-Ljbffr