Linux Systems Administrator

EmergencyMD

Frederick, Maryland, United States

Frederick, Maryland, United States

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Über

Dexian Government Solutions is recruiting for a Linux Systems Administrator to support our contract at the USAMRIID in Fort Detrick, MD. 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. Systems Administration & Infrastructure Install, configure, and maintain Linux (RHEL 7/8+) and Windows Server environments 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) Enterprise Storage & Data Center Operations 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) HPC (High Performance Computing) Environment 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 Networking & Troubleshooting 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 Active Directory & User Support 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 Monitoring & Tools 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 Required Qualifications 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 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, 401(k) Plan with Company Match, Employee Recognition Program, opportunity for Employee Referral Bonus, opportunity for annual Performance Bonus and much more! EEO Statement Dexian Government Solutions is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business need. All applicants will be considered for employment without attention to race, religion, color, national origin, ancestry, physical or mental disability, medical condition, pregnancy (including childbirth, lactation and related medical conditions), marital status, genetic information (including characteristics and testing), gender, sexual orientation, gender identity or expression, military and veteran status, or any other status protected under federal, state, or local law in the locations where we operate. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Human Resources. The Company invites any applicant and/or employee to review the Company's written affirmative action plan. This plan is available for inspection upon request.
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Frederick, Maryland, United States

Sprachkenntnisse

English

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