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Sr. System Administrator / System Engineer - LinuxQuevera • Highland Beach, Florida, United States
Postuler Maintenant
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Sr. System Administrator / System Engineer - Linux

Quevera
  • US
    Highland Beach, Florida, United States
  • US
    Highland Beach, Florida, United States
Postuler Maintenant

À propos

Job Description:
Quevera is seeking a highly skilled Sr. System Administrator / System Engineer - Linux with an active TS/SCI clearance with Polygraph to support mission-critical programs in Columbia, Maryland . This position supports a high-availability mission environment where you'll administer, maintain, and optimize enterprise Linux infrastructure supporting critical national security missions.
In this role, you will manage Linux servers, VMware virtual infrastructure, enterprise middleware, and system automation while ensuring the availability, security, and performance of mission-critical services. You'll work alongside a collaborative engineering team to deliver reliable, scalable, and resilient infrastructure solutions in a secure production environment.
As a Sr. System Administrator / System Engineer, you'll have the opportunity to support innovative enterprise technologies, solve complex infrastructure challenges, and contribute to high-impact mission systems while expanding your expertise in Linux administration, virtualization, and automation.
Work Schedule:
Shift Options: Monday - Friday (Evening Shift), Monday - Friday (Night Shift), or 12-hour shifts on Saturday and Sunday (Weekend Shift).
Job Responsibilities:
Administer, configure, and maintain enterprise Linux environments supporting mission-critical systems. Install, configure, and maintain Red Hat Enterprise Linux (RHEL) and CentOS operating systems. Install, configure, maintain, and troubleshoot JBoss and WildFly application servers. Create, configure, administer, and maintain VMware virtual machines and virtual infrastructure. Monitor system health, performance, and availability to ensure reliable operations. Troubleshoot Linux operating system, middleware, and virtualization issues. Perform system maintenance, upgrades, patching, and configuration management. Support infrastructure automation and system administration activities. Collaborate with engineering teams to maintain secure, scalable, and highly available enterprise environments. Develop and maintain technical documentation, operational procedures, and system configurations. Support mission operations in a high-availability production environment.
Minimum Requirements:
Active TS/SCI clearance with Polygraph required. Security+ certification required. Minimum of ten (10) years of experience as a Linux System Administrator/System Engineer. Extensive experience administering Linux operating systems, including CentOS and Red Hat Enterprise Linux (RHEL). Extensive experience installing, configuring, and maintaining JBoss and WildFly application servers. Experience creating, configuring, and administering VMware virtual machines. Ability to work independently in a high-availability operational environment. Strong written and verbal communication skills.
Desired Skills:
Linux administration certification. Experience with Red Hat Ansible. Experience supporting enterprise storage technologies. Experience with networking concepts and administration. Experience implementing and supporting security compliance requirements. Experience with authentication technologies and services. Experience developing automation scripts using Shell scripting and/or Python. Experience administering physical servers. Oracle Database knowledge and/or database administration experience. Familiarity with JavaScript Object Notation (JSON). Currently holds or has recently held SYS3 PRIVAC level access.
Why Join Quevera?
Award-Winning Culture
Quevera was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025 , marking our fifth consecutive year receiving this distinction based on employee feedback.
Outstanding Benefits
We invest in our employees and their families through a highly competitive benefits package, including: 100% employer-paid medical coverage (optional plan) Competitive options for Medical, Dental and Vision insurance Employer-paid short-term and long-term disability coverage Employer-paid life insurance $5,000 annually for education, training, certifications, and professional development Career advancement through our structured IQWay Program Up to 6% 401(k) match Additional 4% profit-sharing contribution
At Quevera, we believe exceptional people deserve exceptional opportunities. We're more than just a workplace-we're a team of innovators, problem-solvers, and industry experts committed to delivering mission-critical solutions while fostering professional growth, collaboration, and technical excellence.
Quevera is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age or any other characteristic protected by law. #LI-AA1
  • Highland Beach, Florida, United States

Compétences linguistiques

  • English
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