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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Red Hat Linux Engineer - **Company:** Agile Defense - **Location:** Quantico, VA, United States - **Experience:** Starter - **Salary:** $100,000.0 - $115,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Amazon Web Services, Microsoft Azure, Bash Shell, Information Systems, System Configuration, Linux, VMware ESX Servers, Identity and Access Management, IP Addressing, Python (Programming Language), Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), Linux Servers, Logical Volume Manager, Microsoft Visio, Network Configuration and Change Management, Network Diagrams, Package Management Systems, Red Hat Enterprise Linux, Ansible, Microsoft SharePoint, Software Requirements Analysis, Virtualization Technology, VMware VSphere, Scripting, Computer Networking Systems, Load Balancing, Autoscaling, Amazon Virtual Private Cloud (VPC), Nessus, Grep, Firewall Services Module, Vulnerability Analysis, Vmware - **Published:** July 28, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9062127/junior-red-hat-linux-engineer ## About the Role * Knowledge and experience with RedHat Linux. * Possesses understanding and experience with common cybersecurity toolsets and processes to include STIGs, CAS, IAVA Management and Implementation, and Operation Order (OPORD)/Fragmentary Order (FRAGO) support. Years of Experience * 3+ years' experience in supporting, configuring, and administering Linux * 3+ (RHEL) operating system in an enterprise environment RHEL 7.x or greater * Experience with virtualized environments (vSphere, ESXI) Required Skills * Red Hat Enterprise Linux (RHEL) experience. * Must be able to troubleshoot SSH connection issues. * Good understanding of LVM Partitioning, Disk space and troubleshooting Systems related issues. * Familiar with VMware and vSphere. * Understanding of SSL/TLS Certificate and OS hardening. * Strong understanding of Network configuration and troubleshooting (nmtui, nmcli, service, netstat, grep, top command). * Understanding of patching and RPM package management is a MUST!!! * Be able to troubleshoot Kernel Panic, Root and Grub password Reset, & Firewall configurations. * Familiar with Ansible, Ansible-playbook and ansible roles Preferred Skills * Understanding on Red Hat Satellite Version 6.12 or higher * Familiar with Active Directory Concepts, LDAP, or Kerberos * Familiar with migration from RHEL7 to RHEL8 using Leapp utility. * Build or configure new YUM Repositories for patching purposes. * Familiar with AWS/AZURE Cloud for future projects. * Scripting (Nessus Attack Scripting Language (NASL), Python, Bash) * Engineering experience with Nessus Manager and Monitor Implementation * Able to spin new instance on the cloud from a given AMI or Launch Template * Understand the concept of Security Groups, VPC, IAM, Autoscaling, Load Balancer Container architecture ## Description The successful candidate will use their Red Hat Linux experience to support the Customer in the design and implementation of their Assured Compliance Assessment Solution (ACAS) for the Customer's Government Enterprise Networks (GEN). The Linux Administrator will operate and maintain the infrastructure for the ACAS solution to support network and appliance scanning and configuration assessments and provide training to operators and Information Assurance personnel to maintain and operate the ACAS tool functionality., * Install and patch operating systems, application, and document Department Information Systems Agency (DISA) Security Technical Implementation Guidelines (STIGs) applicable to each network environment for all ACAS implementations. * Assesses current ACAS implementations for each of the GEN networks and recommend changes. * Document the steps required to design the ACAS solution for each of the GEN networks to include IP address, Fully Qualified Domain Name, and physical location of each component. * Create network diagrams of the designs with Microsoft Visio (include list of hardware and software requirements). * Maintains the Nessus scanners and Passive Vulnerability Scanner's (PVS) connectivity with the associated Security Center (SC). * Develop and/or update the Standard Operating Procedures (SOP) to support each of the client ACAS solutions documented within the SharePoint portal. * Provide reports as necessary. * Build Linux Server from DISA provided ISO image., * Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do. * Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated. * Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support. * Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task. * Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges. * Hustle - Be Driven. 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