Linux System Engineer, Level 3

Independent Software, Inc.; Corridor North (MD); On-site; USD 90,000 - 130,000; Full time

Job summary

Independent Software, Inc. seeks a Systems Engineer Level 3 to support mission-critical systems across the lifecycle. You will administer Linux environments (Red Hat/CentOS/Rocky), manage FreeIPA/AD authentication, and support GOTS software.

You will develop Bash and Python scripts and produce system drawings and documentation. You’ll work with a small, focused team to ensure testing, deployment, and sustainment align with mission requirements, resolving complex issues and providing operational

Qualifications

• Candidates must have strong Linux admin experience and be able to design, implement, test, deploy, and sustain mission-critical systems.
• Experience with Red Hat, CentOS, or Rocky Linux is required.
• Experience with FreeIPA and/or Active Directory for authentication/authorization is required.
• Experience installing and maintaining GOTS software is required.
• Scripting skills in Bash and Python are required.
• Proven ability in system testing, troubleshooting, and problem solving.
• Experience supporting systems engineering activities and producing technical documentation is required.

Responsibilities

• Support all phases of the systems engineering lifecycle from concept to sustainment.
• Install, configure, and maintain Linux systems (Red Hat, CentOS, Rocky).
• Manage authentication/authorization with FreeIPA and Active Directory.
• Install, configure, and troubleshoot GOTS software applications.
• Develop scripts in Bash and Python.
• Conduct system testing, troubleshooting, and integration.
• Create and maintain system documentation and engineering drawings.
• Collaborate with teams to resolve issues and support mission requirements.

Skills

Linux system administration

Red Hat

CentOS

Rocky Linux

FreeIPA/Active Directory

GOTS software

Bash scripting

Python scripting

system testing

technical documentation

Education

HS Diploma or Associate Degree with 18 years of Systems Engineering experience

Bachelor’s/Master’s/PhD in CS or related field with 14 years experience

Tools

Docker

Kubernetes

Ansible or Salt

Helm charts

YAML configuration

Job description

What You Will Do:

At Independent Software, as a Systems Engineer Level 3, you will support mission-critical systems throughout the engineering lifecycle, from initial design and integration through testing, deployment, and sustainment.

You will work with a small, mission-focused team to administer Linux environments, support Government Off-the-Shelf (GOTS) software, troubleshoot system issues, and develop technical documentation and system drawings.

Key Responsibilities:

• Support all phases of the systems engineering lifecycle, from concept through sustainment.
• Install, configure, administer, and maintain Linux systems, including Red Hat, CentOS, and Rocky Linux.
• Manage system authentication and authorization using FreeIPA and Active Directory.
• Install, configure, maintain, and troubleshoot GOTS software applications.
• Develop, modify, and maintain Bash and Python scripts.
• Perform system testing, troubleshooting, integration, and operational support.
• Create and maintain system documentation, diagrams, and engineering drawing packages.
• Collaborate with engineering teams, users, and customers to resolve technical issues and support mission requirements.

Required Skills and Qualifications:

• Strong Linux system administration experience, including installation, configuration, and management.
• Experience with Red Hat, CentOS, or Rocky Linux.
• Experience with FreeIPA and/or Active Directory authentication and authorization.
• Experience installing and maintaining GOTS software.
• Ability to create, read, and modify Bash and Python scripts.
• Strong system testing, troubleshooting, and problem-solving skills.
• Experience supporting systems engineering activities and technical documentation.

Desired Skills:

• Shared storage solutions and data flow technologies.
• Virtualization and containerization technologies, including Docker and Kubernetes.
• Configuration management and automation using Ansible or Salt.
• Helm charts and YAML configuration files.
• DevOps practices and environments.

Education and Experience:

Candidates must meet one of the following:

• High School Diploma, GED, or Associate's Degree: Eighteen (18) years of relevant Systems Engineering experience.
• Bachelor's, Master's, or PhD: Fourteen (14) years of relevant Systems Engineering experience with a degree in Computer Science or a related technical field.

Clearance Requirement:

• Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Why Choose Independent Software:

At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.

When you join us, you will:

• Support critical national security missions that matter
• Be part of a close-knit, employee-first culture where your voice is heard
• Expand your skills through ongoing training, mentorship, and career development
• Enjoy competitive compensation, generous benefits, and work-life balance

We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.