Linux Systems Engineer

Quantum Leap Research, LLC; Leesburg (VA); On-site; USD 170,000 - 205,000; Full time

Benefits offered by this job

401(k) match

Education assistance

Insurance premium subsidies

Job summary

Quantum Leap Research, LLC is seeking a senior Linux Systems Engineer to support and evolve our core infrastructure. You will administer Linux-based production environments, troubleshoot across OS and performance layers, and design integrations between internal tools and services.

The role emphasizes automation, scripting, and strengthening CI/CD pipelines to minimize manual tasks. Candidates with strong Linux expertise and experience in large-scale environments are encouraged to apply.

Qualifications

• 10+ years of hands-on Linux administration and systems engineering experience.
• Strong troubleshooting across OS, storage, authentication, and performance layers.
• Scripting skills in Python, Perl, Bash for automation and integration.
• Experience with CI/CD pipelines (GitLab preferred; Jenkins acceptable).
• Experience with Git/version control workflows and tool integration across systems.

Responsibilities

• Administer, maintain, and enhance Linux-based production systems.
• Troubleshoot complex issues across OS, storage, authentication, and performance layers.
• Diagnose and resolve boot, filesystem, and system-level failures.
• Manage LDAP-based authentication systems (SSSD/PAM).
• Design and build integrations between internal systems, tools, and services.
• Develop scripts to automate workflows and connect infrastructure components.
• Contribute to and improve CI/CD pipelines and deployment workflows (GitLab or similar).
• Reduce manual tasks through automation and process improvement.
• Collaborate with engineering and IT teams to ensure reliable operations.

Skills

Linux administration

Troubleshooting

Scripting (Python, Perl, Bash)

CI/CD (GitLab, Jenkins)

LDAP authentication

Education

RHCE or similar certifications (preferred)

Tools

GitLab

Jenkins

Ansible

Postfix/Dovecot

Job description

Job Description

Job Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.

We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.

Quantum Leap Research is hiring Linux Systems Engineers to support and evolve our core infrastructure environment. This team plays a critical role in building the “glue” that connects internal systems, tools, and services, enabling seamless operations across the organization.

This role is ideal for engineers with deep Linux expertise who are strong troubleshooters, enjoy integrating technologies, and have a passion for automation and scripting-driven solutions.

** Responsibilities:**

• Administer, maintain, and enhance Linux-based systems in a production environment
• Troubleshoot complex issues across OS, storage, authentication, and system performance layers
• Diagnose and resolve boot issues, filesystem problems, and system-level failures
• Manage and support LDAP-based authentication systems (SSSD/PAM)
• Design and build integrations between internal systems, tools, and services
• Develop scripts and lightweight tooling to automate workflows and connect infrastructure components
• Contribute to and improve CI/CD pipelines and deployment workflows (GitLab or similar)
• Reduce manual operational tasks through automation and process improvement
• Collaborate with engineering and IT teams to ensure reliable, scalable system operations

** Qualifications:**

_ ** Required**_

• 10+ years of strong hands-on experience with Linux administration and systems engineering
• Proven depth in troubleshooting across:
• * Boot processes
  • Filesystems
  • System performance and stability
• Experience with LDAP and authentication systems
• Strong scripting skills (Python, Perl, Bash) with demonstrated use in automation and system integration
• Experience with CI/CD pipelines (GitLab preferred; Jenkins or similar acceptable)
• Experience with Git/version control workflows
• Ability to integrate disparate tools and systems into cohesive solutions
• Self-driven with the ability to take ownership of technical challenges

_ ** Preferred**_

• Experience with configuration management tools (e.g., Ansible)
• Familiarity with email systems (Postfix, Dovecot), DNS, or internal web services
• Understanding of networking fundamentals (routing, firewalls, CIDR, Layer 2/3)
• Security awareness (SSL/TLS, certificates)
• Experience in on-prem or hybrid infrastructure environments
• RHCE or similar certifications are a plus but not required

** Compensation and Benefits:**

We seek the best-and-brightest professionals at all levels so offer highly competitive compensation and an excellent benefits package.

** Salary Range:** $170,000 - $205,000. Salary ranges reflect compensation for qualified candidates across a range of experience levels and are flexible; actual salary will be determined based on demonstrated skills, experience, and performance.

** Company-sponsored benefits include:** 6% 401(k) company match with immediate vesting, educational assistance up to $7,000 per year, 100% insurance premium subsidy for employees (75% for dependents), Anthem medical, Guardian dental, life and disability coverage, 3 weeks’ vacation, 2 weeks sick leave, and 11 holidays.

** Quantum Leap is an Equal Opportunity Employer**

** www.ql-research.com**

Company Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.

We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.

Company Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.

We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.