Description
Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator will work in dynamic lab settings, providing technical expertise, troubleshooting, and support to ensure reliable and secure IT infrastructure for mission-driven projects. The role requires adaptability, strong problem-solving skills, and the ability to collaborate with cross-functional teams to meet diverse mission requirements.

REQUIRED QUALIFICATIONS:

• Bachelor’s degree with 8+ years related experience or Master’s degree with 6+ years. Additional experience maybe considered in lieu of a degree.
• An active TS/SCI with Poly security clearance.
• At least 5 years’ experience in systems administration, including configuring and maintaining servers, operating systems, and networks.
• In-depth expertise in acquiring, configuring, and maintaining computer servers, operating systems, and network file systems.
• Strong knowledge of networking principles, including TCP/IP, DNS, DHCP, and network troubleshooting.
• Experience upgrading, installing, and configuring application software and computer hardware in complex environments.
• Proficiency in troubleshooting and providing technical support for hardware, software, and network issues.
• Familiarity with creating and managing system permissions and user accounts in secure environments.
• Experience performing security tests and monitoring to ensure system integrity.
• Knowledge of cloud computing platforms (e.g., AWS, Azure, Google Cloud) and their integration with on-premises systems.
• Strong problem-solving skills and the ability to work independently or collaboratively in dynamic lab settings.
• Excellent communication skills to interface with mission stakeholders, lab personnel, and technical teams.

PREFERRED QUALIFICATIONS:

• Experience working in laboratory environments supporting defense, intelligence, or scientific missions.
• Certifications in relevant technologies (e.g., CompTIA Security+, Microsoft Certified Systems Administrator, AWS Certified SysOps Administrator).
• Familiarity with coding or scripting languages (e.g., Python, PowerShell, Bash) for system automation and optimization.
• Experience with network file systems (e.g., NFS, SMB) and virtualization technologies (e.g., VMware, Hyper-V).
• Knowledge of mission-specific security standards or frameworks (e.g., NIST, RMF, or DoD compliance).
• Experience supporting IT infrastructure in Agile or DevOps environments.

• Acquire, configure, and maintain computer servers, operating systems, networks, and network file systems in lab-based environments to support mission objectives.
• Upgrade, install, and configure application software and computer hardware to ensure optimal performance for mission-critical systems.
• Troubleshoot and provide technical support to lab users, resolving hardware, software, and network issues promptly to minimize downtime.
• Create and manage system permissions and user accounts, ensuring secure access control across lab systems.
• Perform regular security tests and monitoring to maintain the integrity and confidentiality of mission-critical systems and data.
• Maintain and optimize networks and network file systems, ensuring interoperability and performance in diverse lab environments.
• Leverage knowledge of coding and cloud computing to enhance system configurations and support mission-driven applications.
• Collaborate with lab teams, mission stakeholders, and technical staff to define system requirements, implement solutions, and meet project milestones.
• Adapt to evolving mission needs across multiple lab locations, addressing technical challenges under tight timelines.
• Document system configurations, processes, and troubleshooting procedures to support mission continuity and compliance.