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Senior Linux System Administrator/System EngineerCornerstone Defense • Highland Beach, Florida, United States
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Senior Linux System Administrator/System Engineer

Cornerstone Defense
  • US
    Highland Beach, Florida, United States
  • US
    Highland Beach, Florida, United States
Postuler Maintenant

À propos

Title: Senior Linux System Administrator/System Engineer
Location: Annapolis Junction
Compensation Range: $190 – 210k
Clearance: Active TS/SCI w/ Polygraph needed to apply
Company Overview Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview
Medical, Dental and Vision Plans
Generous PTO Policy
401(k)
HSA and FSA options
Life and Disability Insurance
Tuition Reimbursement and Training
Perks at Work Discount Program
Referral Program
Leads Generation Program
CollegeAmerica 529
Fitness Reimbursement Program
Travel Assistance
Norton Lifelock Benefit Solutions
Life Planning Financial & Legal Services
Description The Sr. System Administrator / System Engineer supports a high‑visibility, mission‑critical environment by providing expert‑level administration, engineering, and sustainment of Linux‑based systems across secure facilities. This role requires deep technical proficiency in CentOS/RHEL environments, enterprise middleware (JBoss/Wildfly), virtualization, automation, and secure system operations. The engineer will collaborate across mission teams, and provide support to maintain system reliability, availability, and compliance. The position demands a strong independent work ethic, adaptability, and broad familiarity with modern infrastructure components including storage, networking, security, and scripting.
Required Skills
10 + years’ experience administering to, and engineering solutions with Oracle’s database. Extensive experience with database design and modeling; as well as the collection and interpretation of customer requirements relevant to database migration, troubleshooting, performance observation and tuning.
Minimum 10 years of experience as a Linux System Administrator or Systems Engineer supporting mission environments.
Extensive hands‑on experience with:
CentOS / RHEL administration
Installation, configuration, and sustainment of JBoss/Wildfly
VMware VM creation, configuration, and operations
Strong ability to work independently in fast‑paced, mission‑oriented environments.
CompTIA Security+ certification required
Desired Skills
Experience with Red Hat Ansible for automation and configuration management.
Storage administration
Networking fundamentals
Security compliance and hardening
Authentication systems (e.g., LDAP, Kerberos)
Scripting (Shell, Python preferred)
Physical server administration
Additional Desired Skills or Familiarization
Oracle Database or related DBA experience
Working with JavaScript Object Notation (JSON)
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  • Highland Beach, Florida, United States

Compétences linguistiques

  • English
Avis aux utilisateurs

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