Linux - Red Hat (RHEL) Systems Administrator
Peraton · Chantilly, VA, US
About this role
## Linux - Red Hat (RHEL) Systems Administrator ### Overview Peraton is seeking an **Infrastructure Systems Administrator** for its **Chantilly, VA** office supporting a **DoD** customer. You’ll join the **IaaS Tier 3** team to help design, develop, test, and deploy a broad and complex system in an **Agile** environment. ### Responsibilities - Support a **cloud-based classified environment** and ensure uptime for **multi-tenant, multi-level** infrastructure - Perform **daily monitoring** and **monthly patching** as part of **O&M** - Manage OS configurations, documentation, performance tuning, software installs/updates, system hardening, and storage allocation - Monitor and maintain **mission-critical, highly available, high-performance** networked systems - Collaborate with engineering teams to improve platforms and reduce architectural/process complexity - Monitor and address **tenant discrepancy reports** pushed to Tier 3 - Monitor and manage system resources to maintain efficiency - Provide **Tier 3 development support** for problem identification, diagnosis, and resolution ### Required Qualifications - **Minimum Top-Secret clearance** with ability to obtain **TS/SCI** (must maintain clearance) - **Bachelor’s degree** (applicable field) + **2+ years** relevant experience; or **4 additional years** relevant experience in lieu of degree - **2+ years** in a System Administration role - Strong written and oral communication skills - Excellent interpersonal skills and ability to collaborate across DoD stakeholders - Detail/process oriented; ability to multi-task and work with minimal supervision - Meet **DoD 8140** foundational qualifications for System Administrator (Intermediate/Advanced) - Experience with system installation, patching/testing, and configuration of networked services, file systems, basic scripting, and authentication - **Red Hat Enterprise Linux 8.x+** administration, including: - Building systems from **bare metal** - Software package installation - OS/application troubleshooting - Implementing security hardening - Patch/update/hotfix experience using **Red Hat Satellite, YUM, or DNF** - Ability to ensure consistent software versions across environments - Experience diagnosing/resolving issues and analyzing logs using **journalctl, dmesg, /var/log** - Experience collaborating with **Red Hat support** (or similar vendors) - Direct experience working with **Windows and/or Linux** - Ability to maintain detailed documentation in **Confluence, Git**, or similar tools - Perform/analyze regular **vulnerability scans** and address findings ### Desired Qualifications - Experience with virtualization/cloud technologies (e.g., **OpenStack, Citrix XenServer, RHEV, VMware**) - **Docker** containers - **Ansible** and/or **Heat** templates - Familiarity with Red Hat tools (e.g., **RH Virtualization, RH Satellite, RH OpenStack, RH OpenShift**) - Configure **Red Hat High Availability** clusters - Experience with load balancing and failover systems - Experience with **Windows** (A/D, GPO, and administration) ### Benefits & Pay - Heavily subsidized employee benefits for you and dependents - **25 days PTO** accrued annually (up to a generous cap) - Eligible for an attractive bonus plan - **Target Salary Range:** **$80,000 - $128,000** (typical range; final offer depends on factors including experience, education, location, and contract considerations) ### Application Notes - Estimated application period: **30 days** from pos
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