System Administrator

Description

Summary: Leidos is seeking an experienced System Administrator to support autonomous maritime projects by managing and maintaining Linux-based systems and ensuring security, integrity, and operational readiness. Highlights: 1. Manage and maintain Linux-based systems for autonomous maritime projects 2. Focus on system configuration, monitoring, troubleshooting, and security 3. Collaborate with cross-functional teams for system deployments Apply Now Description Leidos is seeking an experienced System Administror to support autonomous maritime projects’ hardware stacks by managing and maintaining Linux-based systems in an on-premises system integrion lab (SIL) in Arlington, VA. The System Administror will be joining an existing team which has already successfully delivered for our customers and plan to continue their repution of excellence. The System Administror will focus on system configurion, monitoring, troubleshooting, and ensuring the security and integrity of Linux servers and workstions with little supervision. The team’s focus is on software and supporting hardware, including integrion with hardware and sensors on multiple vessels. The system administror will work closely with cross-functional teams to support system deployments, software updes, and operional readiness, ensuring th all systems meet security, performance, and availability requirements.  This position is on-site in support of the system integrion lab (SIL) in Arlington, VA.  After hours support may be required to keep the lab functioning (if needed). Primary Responsibilities Ensure the reliability, security, and efficiency of our servers, networks, and system integrion laborories. Perform system monitoring, performance tuning, and troubleshooting to ensure high availability and reliability.  Manage system pches, upgrades, and security hardening in compliance with DoD policies.  Provide support for system backups, disaster recovery, and da integrity.  Configure and maintain network services including routing, firewalls, DNS, and VLANS. Assist in managing system access, user accounts, and security configurions.  Collabore with teams to support software deployments and integrion.  Cree and maintain documention pertaining to system opering procedures.  Participe in incident response and resolve issues reled to system performance, security, and availability.  Basic Qualificions US Citizen with an active SECRET clearance. 4+ years of prior relevant experience or Masters with 2 – 6 years of prior relevant experience in being a System Administror (or experience in a similar field) Bachelor’s degree in fields like Computer Science, Informion Technology, Network Engineering, etc. Experience with system security, pch management, and performance tuning.  Proficiency in scripting languages (e.g., Bash, Python).  Experience with configurion management tools (e.g., Ansible).  Familiarity with virtualizion technologies (e.g., Docker, Kubernetes, VMware, KVM).  Ability to set up new servers as needed and support hardware upgrades. Ability to apply user requirements to the analysis, planning, and design of technology systems. Ability to communice problems and solutions both verbally and in writing. Ability to work independently and troubleshoot problems with speed and efficiency. Ability to work closely with others in a team environment. Strong analytical and problem-solving skills. Preferred Qualificions Familiarity with one or more disciplines: Linux certificions (e.g., RHCSA, RHCE, CompTIA Linux+).  Experience with monitoring tools (e.g., Nagios, Zabbix, Prometheus).  Experience with RHEL 8/9/10. Knowledge of Dell Servers If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the stus quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already step 30 — and moving faster than anyone else dares. Original Posting: February 2, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipes th this job requisition will remain open for least 3 days with an anticiped close de of no earlier than 3 days after the original posting de as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compension or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, educion, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market da, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovions. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximely $16.7 billion for the fiscal year ended January 3, 2025. For more informion, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. Th's why we craft compension packages th reflect the importance of the work we do for our customers. Employment benefits include competitive compension, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available www.leidos.com/careers/pay-benefits. Securing Your Da Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-reled informion during any part of the employment applicion process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communice with you through emails th are genered by the Leidos.com automed system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhsApp, Telegram, etc. If you received an email purporting to be from Leidos th asks for payment-reled informion or any other personal informion (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediely by emailing us LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discriminion All qualified applicants will receive considerion for employment without regard to sex, race, ethnicity, age, nional origin, citizenship, religion, physical or mental disability, medical condition, genetic informion, pregnancy, family structure, marital stus, ancestry, domestic partner stus, sexual oriention, gender identity or expression, veteran or military stus, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Apply Now