Classified Linux Systems Administrator

2 weeks ago


London, Kentucky, United States The Johns Hopkins University Applied Physics Laboratory Full time
Job Summary

We are seeking a highly skilled Linux Systems Administrator to join our team at The Johns Hopkins University Applied Physics Laboratory. As a Linux Systems Administrator, you will play a vital role in maintaining and supporting our classified systems and infrastructure.

Key Responsibilities
  • Manage, configure, and maintain Linux-based systems in a classified environment, including installation, configuration, patching, and ongoing system administration/monitoring to ensure optimal performance, security, and availability.
  • Implement security measures to protect classified information, following relevant policies, guidelines, and regulatory requirements. Perform regular security audits, vulnerability assessments, and implement necessary security patches and updates.
  • Provide technical support to end-users in a classified environment, assisting with system access, software installations, troubleshooting user issues, and responding to user inquiries. Maintain user accounts, permissions, and access controls in compliance with security protocols.
  • Respond to and resolve system-related incidents and issues promptly, ensuring minimal downtime and disruption to operations. Troubleshoot and diagnose complex system problems, working closely with other IT teams and external resources as needed.
  • Develop and maintain comprehensive documentation, including standard operating procedures (SOPs), system configurations, troubleshooting guides, and knowledge base articles. Continuously improve processes and procedures to enhance system reliability, efficiency, and security.
Requirements
  • Possess a Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
  • Hands-on experience administering/maintaining classified computer networks.
  • Have 4+ years of experience in Linux systems administration.
  • Have in-depth knowledge of Linux operating systems (Red Hat, CentOS, or similar) and their administration, including system installation, configuration, maintenance, and troubleshooting.
  • Have familiarity with virtualization technologies (VMware, KVM, or similar) and containerization (Docker, Kubernetes).
  • Experience scripting to automate manual efforts.
  • Experience configuring and troubleshooting layer 2 networks.
  • Experience applying STIGs to operating systems, applications, and network peripherals.
  • Superb communication and collaboration skills, effectively working and interacting with a diverse team.
  • Current DoD 8570 certification (Security+ or CISSP), or ability to obtain DoD 8570 certification within 6 months of employment required.
  • Have an active Top Secret SCI w/poly security clearance. If selected, you will be subject to a government security investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.
Preferred Qualifications
  • A Master's degree in Information Systems/Technology, Cybersecurity, or Computer Science, or a related field.
  • Relevant certifications, such as Red Hat Certified System Administrator (RHCSA).
  • Experience working with configuration management tools, such as Puppet, Ansible, or Chef.
  • Experience working with Windows Servers and Server functions, such as Group Policy, Active Directory, DNS, etc.
About Us

The Johns Hopkins University Applied Physics Laboratory is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law.

We are committed to promoting an innovative environment that embraces diversity, encourages creativity, and supports inclusion of new ideas. In doing so, we are committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact us.



  • London, Kentucky, United States Johns Hopkins Applied Physics Laboratory (APL) Full time

    Job Title: Linux Systems AdministratorWe are seeking a highly skilled Linux Systems Administrator to join our team at Johns Hopkins Applied Physics Laboratory (APL). As a Linux Systems Administrator, you will play a critical role in maintaining and supporting our classified systems and infrastructure.Key Responsibilities:Manage, configure, and maintain...


  • London, Kentucky, United States The Swift Group Full time

    The Swift Group Job DescriptionThe Swift Group is seeking a highly skilled Linux Systems Administrator to join our team. As a key member of our IT department, you will be responsible for the administration and maintenance of our Enterprise Linux infrastructure.Key Responsibilities:Provide expert support in the administration and maintenance of Enterprise...


  • London, Kentucky, United States The Swift Group Full time

    Job Title: Linux Systems AdministratorJob Summary:The Swift Group is seeking a highly skilled Linux Systems Administrator to join our team. As a key member of our IT department, you will be responsible for the administration and maintenance of our Enterprise Linux infrastructure. This includes providing expert support, technical input, and assisting in the...


  • London, Kentucky, United States Wood Consulting Full time

    Job Title: Quality Assurance Linux Administrator Level 2WOOD Consulting Services, Inc. is seeking a highly skilled Quality Assurance Linux Administrator Level 2 to join our team.Job Summary:We are looking for a talented individual to provide support for the implementation, troubleshooting, and maintenance of IT systems. The successful candidate will be...


  • London, Kentucky, United States The Johns Hopkins University Applied Physics Laboratory Full time

    Job SummaryWe are seeking a highly skilled Windows Systems Administrator to join our team at The Johns Hopkins University Applied Physics Laboratory. As a key member of our IT team, you will be responsible for the effective and efficient utilization of the Windows team to meet sector needs.Key Responsibilities:Be responsible for the effective and efficient...


  • London, Kentucky, United States Peraton Full time

    Job SummaryThis position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team. The primary location is College Park with the option for 1-2 days a week in Laurel. The successful candidate will be responsible for implementing, maintaining, and enhancing complex research infrastructure systems and their security...


  • London, Kentucky, United States CTC Full time

    Job Title: Linux System AdministratorJob Summary:We are seeking a skilled Linux System Administrator to join our team at CTC. As a Linux System Administrator, you will be responsible for providing support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems for critical enterprise applications.Key...


  • London, Kentucky, United States ZTI Solutions, LLC Full time

    Job Title: Senior Linux Systems EngineerWe are seeking a highly skilled Senior Linux Systems Engineer to join our team at ZTI Solutions, LLC. As a Senior Linux Systems Engineer, you will be responsible for designing, implementing, and maintaining secure and efficient Linux systems for our clients.Key Responsibilities:Design and implement secure Linux systems...


  • London, Kentucky, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureManTech is seeking a highly skilled Linux System Administrator to join our team in Hanover, Maryland. As a key member of our Enterprise Infrastructure Services organization, you will play a critical role in delivering enterprise infrastructure capabilities for a global workforce.Key Responsibilities:Configure and manage...


  • London, Kentucky, United States ZTI Solutions, LLC Full time

    Job SummaryZTI Solutions, LLC is seeking a highly skilled Senior Linux Systems Engineer/Developer to join our team. As a key member of our engineering team, you will be responsible for designing, implementing, and maintaining secure and efficient Linux systems for our clients.Key ResponsibilitiesSystem Administration: Provide day-to-day system administration...


  • London, Kentucky, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureManTech is seeking a highly skilled and motivated Linux System Administrator to join our team in Hanover, Maryland. As a key member of our Enterprise Infrastructure Services organization, you will play a critical role in delivering enterprise infrastructure capabilities for a global workforce.Key...


  • London, Kentucky, United States Avid Technology Professionals Full time

    Job Summary:Avid Technology Professionals is seeking a skilled Senior Linux Systems Engineer to join our team. As a key member of our engineering team, you will be responsible for designing, implementing, and maintaining our Linux-based systems. Key Responsibilities:* Design and implement Linux-based systems for our clients* Develop and maintain Linux...


  • London, Kentucky, United States Tad PGS Full time

    Job SummaryAs a Classified Mail Specialist at Tad PGS, you will play a crucial role in ensuring the smooth operations of the Classified Mail Center. Your primary responsibility will be to provide administrative support to manage the National Mailing System - Mail Center Management (MCM) system and associated peripherals.Key ResponsibilitiesOperate the MCM...


  • London, Kentucky, United States Tad PGS Full time

    Job Title: Classified Mailing SpecialistWe are seeking a highly skilled and detail-oriented Classified Mailing Specialist to join our team at Tad PGS. As a Classified Mailing Specialist, you will be responsible for ensuring the smooth operation of our Classified Mail Center, preparing and processing classified mail for delivery to the United States Postal...


  • London, Kentucky, United States ZTI Solutions, LLC Full time

    Job Title: Senior Linux Systems EngineerWe are seeking a highly skilled Senior Linux Systems Engineer to join our team at ZTI Solutions, LLC. As a key member of our engineering team, you will be responsible for designing, implementing, and maintaining secure and reliable Linux systems for our clients.Key Responsibilities:Design and implement secure Linux...

  • System Administrator

    2 weeks ago


    London, Kentucky, United States Leidos Full time

    Unlock Your Potential with LeidosAt Leidos, we empower our teams to deliver innovative solutions that drive customer success. Our diverse and talented workforce is dedicated to making a meaningful impact in the world.About the RoleWe are seeking a highly skilled System Administrator to join our team. As a key member of our operations team, you will be...


  • London, Kentucky, United States Tad PGS Full time

    Job Title: Classified Mailing SpecialistWe are seeking a highly skilled Classified Mailing Specialist to join our team at Tad PGS. As a Classified Mailing Specialist, you will play a critical role in ensuring the smooth operation of our Classified Mail Center.Responsibilities:Operate the National Mailing System - Mail Center Management (MCM) system and...


  • London, Kentucky, United States Peraton Full time

    Job SummaryWe are seeking a highly skilled Systems Administrator to join our team at Peraton. As a Systems Administrator, you will be responsible for providing support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems.This is a full-time position requiring 1880 hours of support per year. Work is performed at a...

  • Linux System Engineer

    2 weeks ago


    London, Kentucky, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureOverview: ManTech is seeking a highly skilled Linux System Engineer to join our team in Laurel, Maryland. As a key member of our Enterprise Infrastructure Services organization, you will play a critical role in delivering enterprise infrastructure capabilities for a global workforce.Responsibilities:Design, develop, and...


  • London, Kentucky, United States ManTech Full time

    Secure our Nation, Ignite your FutureManTech is seeking a highly motivated and customer-oriented Linux System Administrator to join our team in a dynamic environment.Key Responsibilities:Analyze and resolve complex problems associated with server hardware, applications, and software integration.Configure and manage LINUX and Solaris operating systems.Install...