Linux System Administrator (Senior-Level)

Link Solutions, Inc. • Adelphi, MD

1d • $64,000 - $108,000 • Onsite

About The Position

Link Solutions is seeking a Senior-Level Linux System Administrator to join their team at Adelphi, MD. This role involves supporting critical missions and operations within the Department of Defense (DoD) at the Army Research Laboratory. The company values innovation and focuses on quality and compliance, holding certifications such as ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2022, CMMC Level 2, and CMMI Maturity Level 3. This position offers significant opportunities for career advancement and professional growth.

Requirements

• U.S. Citizen with an active DoW Secret Clearance
• BA/BS Degree in Information Technology, Computer Science, Engineering, or related field with five (5+) years of experience working OR seven (7+) years of relevant experience working in an IT or Service Desk environment.
• IAT Level II Certification equivalent or higher per DoD 8570/DoD 8140 (CompTIA Security+ CE, CCNA Security, GICSP, GSEC, SSCP, etc.).
• Red Hat Certified System Administrator (RHCSA) Certification.
• Experience creating and modifying documentation for technical processes and procedures.
• Ability to work with customers to develop new value-added programs and data solutions with existing structures and new requirements.

Nice To Haves

• Information Technology Infrastructure Library (ITIL) v4 certification
• Experience with incident management within the ServiceNow Information Technology Service Management (ITSM) platform.
• Proficiency with Microsoft Office products.
• 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 skills (written and oral) and interpersonal skills.
• Excellent organizational skills, attention to detail, and ability to prioritize and manage multiple tasks.

Responsibilities

• 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.

Benefits

• paid holidays
• paid time off
• medical
• dental
• vision
• company-paid long and short-term disability
• life insurance
• referral bonuses
• relocation incentive program
• certification reimbursement program
• retirement

What This Job Offers

• Job Type: Full-time
• Career Level: Senior