Linux System Administrator

Job Overview Are you interested in advancing your career in IT System Administration? Leidos‑Dynetics, within our Corporate Information Security Office (CISO) and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to become part of our team. In this role, you will be responsible for ensuring the secure and efficient operation of various information systems. This includes conducting regular vulnerability scans and implementing Security Technical Implementation Guides (STIGs) to maintain regulatory compliance. Mastery of Linux, networking, and Windows is critical for success in our diverse technological environment. Furthermore, effective communication with stakeholders and collaboration with cross‑sector teams will be necessary to achieve organizational objectives. We view career development as a partnership between employees, managers, and the company with a focus on building skills and experiences through internal mobility. To support career development, we offer a variety of resources in addition to training and educational opportunities within an inclusive environment. Location All work will be performed on‑site in our Huntsville office. Security Clearance You must hold a current Top Secret clearance to qualify for consideration. What We Value We're not just looking for expertise; we value a positive attitude, adaptability to changing priorities, and a commitment to delivering results. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities with excellent coping skills. Whether working independently or collaboratively, you are self‑managed and customer‑focused. Key Responsibilities Perform system design and new hardware/software implementation. Maintain Linux, network devices, and Windows endpoints. Keep information systems compliant and aligned with DOD standards. Coordinate with the Information Assurance team to meet compliance. Manage privileged access management. Ensure proper marking, handling, and storage of classified materials. Maintain baseline configuration of various information systems. Work on multiple projects, leading projects that fall within the area of responsibility. Adopt new technologies and ensure that all staff members are trained to keep them compliant. Maintain a robust virtual and physical environment. Experience and Skills Bachelor’s degree coupled with a minimum of eight (8) years of System Administration experience; equivalent relevant work experience may be considered in lieu of a degree. Minimum of 4+ years administering Linux operating systems. Currently hold active DoD Top Secret clearance. DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP) Demonstrate ability to manage multiple networks in a dynamic, demanding environment. Possess familiarity with Risk Management Framework requirements for Windows Systems, Linux Systems, and network devices. Demonstrate ability to interface effectively with security agencies, customers, and management. Strong written and verbal communication skills. Preferred Qualifications Previous experience maintaining networks in classified environments. Understanding of network concepts, Type 1 encryption devices (e.g., TACLANE), and cybersecurity tools. Knowledge of VOIP. Experience with Ansible. RHCSA (Red Hat Certified System Administrator). Pay Range Pay Range: $92,300.00 – $166,850.00. The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Benefits Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. EEO Statement All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr Leidos LLC