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Linux Junior Jobs in Missouri (NOW HIRING)

DevOps Engineer

Saint Louis, MO · On-site

$93K - $175K/yr

DevOps Engineer (Junior, Mid-Level, Senior) Location: St. Louis, MO Clearance Required: Active Top ... Experience supporting Linux-based environments. * Experience with containerization technologies ...

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Linux Junior information

What are some common challenges faced by Linux Junior professionals in their first year, and how can they overcome them?

Linux Junior professionals often encounter challenges such as troubleshooting unfamiliar system errors, adapting to different distributions, and learning to effectively use the command line. These situations can feel overwhelming at first, but actively seeking mentorship, utilizing online communities, and practicing hands-on tasks in a test environment can accelerate learning. Collaborating with more experienced team members and participating in code reviews also provide valuable feedback and support. Over time, building a habit of documenting solutions to recurring issues helps streamline future problem-solving.

What is a Linux Junior?

Linux Junior roles are entry-level positions focused on supporting and maintaining Linux operating systems in various environments. Individuals in these roles assist with basic system administration tasks, such as user management, software installation, troubleshooting, and monitoring system performance. They typically work under the guidance of more experienced administrators, learning industry best practices and gaining hands-on experience. Linux Juniors are expected to have a foundational understanding of Linux commands, system architecture, and networking basics. These positions serve as a stepping stone to more advanced system administration or engineering roles.

What are the key skills and qualifications needed to thrive as a Linux Junior, and why are they important?

To thrive as a Linux Junior, you need a basic understanding of Linux operating systems, command-line proficiency, and foundational networking knowledge, often supported by a relevant degree or IT certifications. Familiarity with tools such as Bash, system monitoring utilities, and version control systems like Git is commonly required. Strong problem-solving skills, attention to detail, and a willingness to learn make candidates stand out in this position. These abilities are vital for efficiently supporting system operations, troubleshooting issues, and growing into more advanced Linux administration roles.

What is the difference between Linux Junior vs Linux Support Technician?

AspectLinux JuniorLinux Support Technician
Required CredentialsBasic Linux certifications (e.g., Linux Essentials)Linux certifications + troubleshooting skills
Work EnvironmentEntry-level, training-focusedCustomer or internal support, troubleshooting
Employer & Industry UsageIT companies, tech startups, educational institutionsIT support firms, enterprise IT departments
Common Search & Comparison IntentUnderstanding entry-level roles in LinuxClarifying support roles and responsibilities

The main difference between a Linux Junior and a Linux Support Technician lies in experience and scope. Linux Juniors are typically entry-level, focusing on basic Linux tasks and gaining foundational knowledge. Linux Support Technicians often have more troubleshooting experience and handle customer or internal support issues. Both roles are essential in IT environments, but Support Technicians usually require more advanced skills and certifications.

What are the most commonly searched types of Linux jobs in Missouri? The most popular types of Linux jobs in Missouri are:
What cities in Missouri are hiring for Linux Junior jobs? Cities in Missouri with the most Linux Junior job openings:
Infographic showing various Linux Junior job openings in Missouri as of July 2026, with employment types broken down into 97% Full Time, 2% Part Time, and 1% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Junior Software Engineer 621

Freedom Technology Solutions Group

Saint Louis, MO • Hybrid

Other

Re-posted 12 days ago


Job description

Freedom Technology Solutions Group is seeking a Software Engineer to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities, including design and development, modernization of existing applications and services, and operations and sustainment. The role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development methodologies, rapid prototyping, and modern technology stacks. 

The Junior Software Developer applies expertise to multiple development assignments. This role requires originality in developing solutions and provides latitude in designing methodologies and approaches. 

Responsibilities:

  • Design, develop, and enhance backend services using Java, JavaScript, and Python. 
  • Build and maintain secure, automated DevSecOps pipelines for CI/CD.
  • Lead containerized solution deployments across hybrid and cloud (AWS) environments.
  • Implement and optimize geospatial data processing and API integrations.
  • Troubleshoot, debug, and improve system performance.
  • Review code contributions.
  • Contribute to system architecture discussions and recommend improvements.
  • Provide input on deliverables, schedules, and performance metrics.
  • Participate in rapid prototyping to quickly iterate and improve solutions
  • Utilize modern technology stacks to meet client needs
  • Implement CI/CD pipelines using GitLab
  • Collaborate with cross-functional teams to deliver high-quality software solutions 

Key Technologies:

  • Linux
  • Java, JavaScript, Python
  • Containerization (Docker, OpenShift, Kubernetes, ...)
  • AWS Services
  • GitLab
  • Apache Spark, Glue, and other ETL processes/procedures
  • Data Types: Structured and Unstructured, Parquet, JSON, XML, etc. 

Required Qualifications:

  • Active TS/SCI clearance (eligible for CI Poly).
  • 0-3 years software development experience.
  • Proficiency in Java, JavaScript, and Python.
  • Experience with DevSecOps pipelines, Agile methodologies, and CI/CD tools (e.g., GitLab).
  • Hands-on experience with AWS services (Lambda, ECS, S3, RDS, etc.).
  • Skilled in containerization technologies (Docker, Kubernetes, OpenShift).
  • Experience with geospatial data frameworks and APIs (e.g., GeoServer, PostGIS, ArcGIS).
  • Using GitLab for code source repository and using GitLab CI/CD
  • Developing customized code, scripts, modules, macro procedures, or libraries for specialized spatial analysis functions using languages such as Python, Java, JavaScript, PHP, C, C++, C#, Perl, or similar