**Description** Are you a detail-oriented and security-focused IT professional? We are looking for a skilled Linux and Network Administrator to join our team. In this role, you will be responsible for ensuring the secure and efficient operation of our Linux-based systems. This includes performing regular vulnerability scans and applying Security Technical Implementation Guides (STIGs) to maintain compliance. Proficiency in Linux, networking, and Windows is essential for success in our blended technology environment. At Leidos-Dynetics, we recognize the value of having a high-performing workforce and are committed to providing opportunities for employees by encouraging career growth and movement across the enterprise. 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. **What We Value:** We're not just looking for technical expertise; we value a positive attitude, adaptability to changing priorities, and a commitment to getting the job done. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities with excellent coping skills. Whether working independently or collaboratively, you're self-managed and customer-focused. **Key Responsibilities:** + Maintain Linux, Network devices, and Windows endpoints. + Embrace new technologies to meet evolving requirements. + Perform system design and new hardware/software implementation. + Provide onsite IT support. + Coordinate with the Information assurance team to meet compliance. + Maintain a robust virtual and physical environment. + Work on multiple projects, leading projects that fall within the Area of responsibility. + Manage privileged access management. + Ensure the proper marking, handling, and storage of classified materials. + Maintain Baseline configuration of various information systems. + Keep information systems compliant and aligned with DOD standards. **Experience and Skills:** + Minimum of 5 (Five) years of System Administrator experience. + Strong written and verbal communication skills. + Ability to interface effectively with security agencies, customers, and management. + Manage multiple networks in a dynamic, demanding environment. + Familiarity with Risk Management Framework requirements for Windows Systems, Linux Systems, and network Devices. + DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP) + Minimum of 4 (Four) years administering Linux operating systems. **Credentials:** + Top Secret Clearance + (IAT) Level II certification. **Preferred Qualifications:** + Previous experience maintaining networks in classified environments. + Experience maintaining Linux 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) **Original Posting Date:** 2025-02-05 While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. REQNUMBER: R-00152776 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.