Linux Systems Administrator

LinTech Global • Frederick, MD

1d • $90,000

About The Position

Dexian Government Solutions. is recruiting for a Linux Systems Administrator to support our contract at the USAMRIID in Fort Detrick, MD. Target Salary : $90,000.00 Position Overview: We are seeking a skilled Linux Systems Administrator to support mission-critical infrastructure at USAMRIID. This role requires a hands-on engineer with experience across Linux, virtualization, storage, and HPC environments who can operate independently with minimal ramp-up .

Requirements

• 5+ years of Linux system administration experience
• Active Secret security clearance (required)
• IAT II: CompTIA Security+ certification (or equivalent)
• Strong knowledge of Linux OS, shell scripting, and command-line tools
• Strong experience with virtualization technologies (VMware, KVM, etc.)
• Solid understanding of networking protocols and troubleshooting
• Ability to resolve issues independently with minimal escalation.

Responsibilities

• Install, configure, and maintain Linux (RHEL 7/8+) and Windows Server environments
• Administer VMware/vCenter infrastructure ensuring 99.9% uptime
• Perform system hardening, STIG compliance , and monthly patching across multiple networks (NIPR, RSN)
• Monitor system health, logs, and security tools (e.g., Trellix/McAfee, ESS).
• Design, implement, and maintain SAN/NAS storage environments (file and block storage)
• Administer enterprise storage platforms such as Dell Isilon (OneFS), ECS (Superna/Golden Copy), or similar Dell EMC Unity and Data Domain (IDPA).
• Support backup and recovery solutions (e.g., Avamar, Veeam )
• Utilize tools such as HPC (Bright), VxRail (VMware/Vcenter).
• Administer and support HPC clusters , including compute nodes and head nodes
• Manage job schedulers (e.g., SLURM, PBS) and cluster provisioning tools (e.g., Bright Cluster Manager)
• Support and optimize parallel file systems (e.g., Lustre, GPFS)
• Monitor and tune performance across HPC systems (CPU, memory, I/O, network)
• Assist with installation and troubleshooting of scientific and bioinformatics applications
• Develop and maintain SOPs for HPC operations and maintenance
• Provide technical guidance on HPC architecture, performance, and future enhancements
• Utilize HPC management tools like Bright and iDRAC.
• Provide advanced troubleshooting for network, server, and application issues
• Resolve 80%+ of issues without escalation , demonstrating strong independent problem-solving
• Support connectivity troubleshooting across enterprise environments
• Manage Active Directory (users, groups, permissions) for large environments
• Support DoD Enterprise Email and account-related issues
• Support and execute migration of systems to DoD-approved cloud environments (e.g., AWS GovCloud, Azure Government)
• Maintain hybrid infrastructure between on-prem and cloud platforms
• Utilize monitoring tools such as PRTG, SolarWinds, or equivalent
• Ensure system availability, performance, and reliability across all platforms
• Contribute to task prioritization, status reporting, and operational planning
• Collaborate with government stakeholders and cross-functional teams

Benefits

• Open Paid Time Off
• Paid Holidays
• Company-paid Life/AD&D
• Company-paid Short Term and Long-Term Disability
• Health Insurance with Company Contribution
• 401k Plan with Company Match
• Employee Recognition Program
• opportunity for Employee Referral Bonus
• opportunity for annual Performance Bonus

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 101-250 employees