The Maritime Solution Systems Portfolio within the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site in San Diego, CA. The business activities within this portfolio include underwater vehicle systems, maritime sensors, supporting information technology and engineering services for complex maritime applications, and the development and support of underwater data acquisition and telemetry systems for distributed sensors used in platform signature measurement.
Key Responsibilities:
- Install, configure, and maintain Linux-based servers and systems (RedHat, CentOS, Ubuntu, etc.).
- Manage system performance, monitoring, backups, and troubleshooting.
- Ensure system security by configuring firewalls, SSL, VPNs, and applying patches and updates.
- Collaborate with the engineering teams to configure environments and troubleshoot system-related issues.
- Monitor and resolve hardware, software, and networking issues in a timely manner.
- Perform routine system upgrades, patching, and security compliance checks.
- Administer and maintain virtualized environments (e.g., VMware, KVM).
- Provide troubleshooting and technical support for escalated issues.
- Provide emergency response to critical outages or incidents.
- Document system configurations, procedures, and troubleshooting steps for internal use.
Required Qualifications
- Skills commensurate with primary responsibilities described above.
- Solid understanding of networking protocols (TCP/IP, DNS, HTTP/HTTPS, VPN, etc.).
- Experience with virtualization technologies (VMware, KVM, etc.).
- Expertise in shell scripting (Bash, Python, etc.) and troubleshooting.
- Experience with version control tools like Git.
- Understanding of system security best practices and tools.
- BS degree and 4-8 years of prior relevant experience or Masters with 2-5 years of prior relevant experience.
- Strong organizational skills with attention to detail.
- Demonstrated ability to complete technical projects independently.
- Strong problem-solving skills, along with excellent written and oral communication skills.
- Ability to obtain TS/SCI clearance.
Preferred Qualifications
- Knowledge of the Navy RMF process, including security categorization, risk assessments, continuous monitoring, and ATO.
- Red Hat Certified Engineer (RHCE) or Linux Professional Institute Certification (LPIC-2).
- CompTIA Linux+.
- CompTIA Security+.
Original Posting:March 11, 2025
For U.S. Positions: 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 -
The Leidos pay range for this job level is a general guideline only and 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.
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For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
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