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Junior Linux Kernel Engineer Ubuntu Jobs in Virginia

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Junior Red Hat Linux Engineer

Quantico, VA · On-site

$110 - $120/hr

Overview CommIT Enterprises, Inc. is seeking an Junior Red Hat Linux Engineer tojoin the team in ... Be able to troubleshoot Kernel Panic, Root and Grub password Reset, & Firewall configurations.

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What is a junior Linux kernel engineer Ubuntu?

A Junior Linux Kernel Engineer Ubuntu job involves working on the Linux kernel, specifically for Ubuntu and related Canonical projects. Responsibilities typically include debugging kernel issues, maintaining patches, optimizing performance, and contributing to upstream kernel development. Junior engineers collaborate with senior developers, test new kernel features, and ensure hardware compatibility. Strong knowledge of C programming, kernel internals, and debugging tools like GDB and perf is essential. This role provides a foundation for growth in open-source development and low-level system engineering.

What are the key skills and qualifications needed to thrive in the junior Linux kernel engineer Ubuntu position?

A Junior Linux Kernel Engineer Ubuntu should possess a solid understanding of C programming, Linux operating systems, and basic kernel architecture, often backed by a relevant computer science degree or equivalent experience. Familiarity with version control systems like Git, building and debugging tools, and certifications such as LFCS or CompTIA Linux+ are advantageous. Strong problem-solving abilities, eagerness to learn, and effective communication skills help junior engineers excel in collaborative environments. These capabilities are essential for contributing safely and efficiently to kernel development and troubleshooting in a fast-evolving ecosystem like Ubuntu.

What are some common challenges faced by junior Linux kernel engineers working with Ubuntu?

One common challenge for Junior Linux Kernel Engineers on Ubuntu is quickly understanding the complex and evolving codebase while adhering to Ubuntu's specific kernel customization and integration practices. New engineers often spend significant time learning to troubleshoot bugs, navigate documentation, and contribute effectively within established development workflows. Collaboration with senior engineers, participation in code reviews, and clear communication are integral to overcoming these hurdles and growing technically. Over time, junior engineers build deeper expertise and can take on larger projects and increased responsibilities.

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Junior Linux Kernel Engineer Ubuntu jobs near you
Infographic showing various Junior Linux Kernel Engineer Ubuntu job openings in Virginia as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Junior Red Hat Linux Engineer

Agile Defense

Quantico, VA • On-site

Full-time

Re-posted 17 days ago

Job description

Job Summary:
Agile Defense is a company focused on providing innovative solutions for national security. They are seeking a Junior Red Hat Linux Engineer to support the design and implementation of the Assured Compliance Assessment Solution (ACAS) for Government Enterprise Networks, operating and maintaining the necessary infrastructure and providing training to operators.
Responsibilities:
• 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.
Qualifications:
Required:
• Clearance Level: Secret, Must Have Clearance to Start
• Required Certification(s): DoD 8570 IAT III or IAM II (CASP+, CCNP Security, CISA, GSE, SCNA, CISSP, CAP, GSLC, CISM, GCED, GCIH, CISO, or HCISPP)
• 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.
• 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)
• 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:
• 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
Company:
Agile Defense is an information technology company located in Reston. It is a sub-organization of Agile-BOT. Founded in 1998, the company is headquartered in Reston, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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