LeadVenture is hiring a Senior Linux System Administrator to manage the installation, configuration, and security of Linux-based systems for critical missions at the Army Research Laboratory in Adelphi, MD. You will ensure compliance with DoD policies while supporting operations that offer significant career growth.
What You'll Do
- Install, configure, and manage RHEL systems and Red Hat Enterprise Virtualization environments.
- Administer KVM virtualization, Puppet automation, and kernel-level tuning.
- Implement system patching, STIG compliance, and release/version control.
- Monitor performance, handle incident response, and ensure uptime and data integrity.
- Automate tasks using shell scripting, Ansible, or equivalent configuration management tools.
- Maintain backup and recovery solutions and ensure disaster recovery readiness.
- Conduct system audits and enforce DoD security requirements.
- Maintain accurate and comprehensive configuration documentation.
What We're Looking For
- Must be a U.S. Citizen.
- Must be able to obtain and maintain an active Secret Clearance.
- BA/BS degree in computer sciences or information technology with 5+ years of experience OR an AA degree with 7+ years of relevant IT experience.
- IAT Level II Certification or higher per DoD 8570/8140 (e.g., CompTIA Security+ CE, CCNA Security).
- Red Hat Certified System Administrator (RHCSA) Certification.
- Ability to work with customers to develop new value-added programs and data solutions.
Nice to Have
- Information Technology Infrastructure Library (ITIL) v4 certification.
- Experience with incident management within the ServiceNow ITSM platform.
- Proficiency with Microsoft Office products.
- Experience creating and modifying technical process documentation.
- Experience working in a Department of Defense (DoD) environment.
- A problem solver and troubleshooter who thrives in resolving complex problems.
- Strong self-starter requiring minimal supervision.
- Excellent communication, interpersonal, and organizational skills.
Technical Stack
- RHEL
- Red Hat Enterprise Virtualization
- KVM
- Puppet
- Shell Scripting
- Ansible
- ServiceNow ITSM
- Microsoft Office
Benefits & Compensation
- Compensation range: $64,000 - $108,000
- Paid holidays and paid time off
- Medical, dental, and vision insurance
- Company-paid long and short-term disability
- Life insurance
- Referral bonuses
- Relocation incentive program
- Certification reimbursement program
- Retirement plan
Work Mode
This is an onsite position located in Adelphi, MD.
Link Solutions, Inc. is an EOE. AA/M/F/D/V. We participate in the E-Verify Employment Verification Program.




