Leidos Inc
Senior Linux Administrator
The DTRA program at Leidos is seeking a
Senior Linux Administrator
in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected to work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected to support the entire service lifecycle from design through development to production, building and deploying Linux based systems in a virtual environment.
Candidate should be familiar with system automation technologies, basic database administration and tuning. Candidate must demonstrate a high degree of problem-solving ability in a complex environment and be able to communicate effectively, both to the customer and to team members.
Work location Work location is on-site at Fort Belvoir, VA with on-site as needed in Reston, VA.
Required Clearance Active Top Secret with SCI
Key Responsibilities
Provision servers and environments
Manage user access
Maintain servers in a virtual environment
Automation knowledge scripting in Unix shell and Ansible playbooks
Maintain and improve configuration management templates
Monitor system performance and respond to alerts
Establish and maintain NTP services in the production environment
Maintain satellite servers for the agency, software releases and patches
Required Qualifications
STEM Bachelors degree with 8+ years, or STEM Masters degree with 6+ years of experience in IT operations working with Linux servers and Virtualization. Additional, specific years of experience can be taken into account in lieu of degree.
Experience with the following emerging technologies or an equivalent technology: Kubernetes, Open Shift, Containers, GitHub, Ansible Tower
Ensure compliance with security standards and practices aligned with DoD STIGs.
Experience with web servers and use of certificates
Open Source: Apache Hadoop, Zookeeper, Puppet
App Servers: JBoss, Tomcat, Jetty, NGINX, HTTP
2-3 years of experience with web server management and implementation; troubleshooting of websites, applications, and security implementations.
Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches.
Experience with log file analysis
Experience with Red Hat Satellite tool for deploying, configuring, and maintaining Red Hat Enterprise Linux (RHEL) across physical, virtual, and cloud environments.
Understanding of Red Hat, provisioning, and patching, often using Satellite Capsules for distributed content delivery and local services like DHCP/DNS in large or remote setups. It centralizes RHEL management, improving security and efficiency by handling subscription management, content views, and system auditing from a single console.
Understanding of Red Hat command line tools: System Management, Manage RPM packages, and Package Management.
Preferred Qualifications
2-3+ years of Windows Server experience.
Certifications
DoD 8570/8140 IAT Level II certification (Security+, CySA+, GSEC, or CCNA Security) required
Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred)
Compensation Pay Range $92,300.00 - $166,850.00
About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025.
Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application 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 communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Commitment to Non-Discrimination 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
Senior Linux Administrator
in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected to work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected to support the entire service lifecycle from design through development to production, building and deploying Linux based systems in a virtual environment.
Candidate should be familiar with system automation technologies, basic database administration and tuning. Candidate must demonstrate a high degree of problem-solving ability in a complex environment and be able to communicate effectively, both to the customer and to team members.
Work location Work location is on-site at Fort Belvoir, VA with on-site as needed in Reston, VA.
Required Clearance Active Top Secret with SCI
Key Responsibilities
Provision servers and environments
Manage user access
Maintain servers in a virtual environment
Automation knowledge scripting in Unix shell and Ansible playbooks
Maintain and improve configuration management templates
Monitor system performance and respond to alerts
Establish and maintain NTP services in the production environment
Maintain satellite servers for the agency, software releases and patches
Required Qualifications
STEM Bachelors degree with 8+ years, or STEM Masters degree with 6+ years of experience in IT operations working with Linux servers and Virtualization. Additional, specific years of experience can be taken into account in lieu of degree.
Experience with the following emerging technologies or an equivalent technology: Kubernetes, Open Shift, Containers, GitHub, Ansible Tower
Ensure compliance with security standards and practices aligned with DoD STIGs.
Experience with web servers and use of certificates
Open Source: Apache Hadoop, Zookeeper, Puppet
App Servers: JBoss, Tomcat, Jetty, NGINX, HTTP
2-3 years of experience with web server management and implementation; troubleshooting of websites, applications, and security implementations.
Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches.
Experience with log file analysis
Experience with Red Hat Satellite tool for deploying, configuring, and maintaining Red Hat Enterprise Linux (RHEL) across physical, virtual, and cloud environments.
Understanding of Red Hat, provisioning, and patching, often using Satellite Capsules for distributed content delivery and local services like DHCP/DNS in large or remote setups. It centralizes RHEL management, improving security and efficiency by handling subscription management, content views, and system auditing from a single console.
Understanding of Red Hat command line tools: System Management, Manage RPM packages, and Package Management.
Preferred Qualifications
2-3+ years of Windows Server experience.
Certifications
DoD 8570/8140 IAT Level II certification (Security+, CySA+, GSEC, or CCNA Security) required
Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred)
Compensation Pay Range $92,300.00 - $166,850.00
About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025.
Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application 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 communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Commitment to Non-Discrimination 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