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Independent Contractor Linux Administrator Jobs in Chicago, IL

Simplex Trading

Infrastructure Engineer

Chicago, IL

$110K - $145K/yr

Projects will be completed both independently and as a part of a team, when necessary * This is an ... Linux Administrator, or similar * Thorough understanding of Linux (kernel, modules, filesystems ...

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All JobsIndependent Contractor Linux Administrator JobsIndependent Contractor Linux Administrator Jobs in Chicago, IL

Independent Contractor Linux Administrator information

See Chicago, IL salary details

$10

$52

$79

How much do independent contractor linux administrator jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for independent contractor linux administrator in Chicago, IL is $52.76, according to ZipRecruiter salary data. Most workers in this role earn between $43.32 and $61.15 per hour, depending on experience, location, and employer.

What is the difference between Independent Contractor Linux Administrator vs Freelance Linux Engineer?

AspectIndependent Contractor Linux AdministratorFreelance Linux Engineer
CredentialsLinux certifications (e.g., RHCE, CompTIA Linux+)Linux certifications (e.g., RHCE, CompTIA Linux+)
Work EnvironmentClient sites, remote, or data centersClient sites, remote, or data centers
Employer/Industry UsageCompanies, IT service providers, government agenciesStartups, tech firms, consulting clients
Search/Comparison IntentFocus on contract work, specific Linux admin tasksFocus on project-based Linux engineering solutions

Both roles require similar Linux certifications and often work in remote or client environments. The main difference lies in the job focus: Independent Contractor Linux Administrators typically handle ongoing system administration, while Freelance Linux Engineers often work on specific projects or engineering tasks. Understanding these distinctions helps job seekers target the right opportunities based on their skills and career goals.

What are the most commonly searched types of Linux Administrator jobs in Chicago, IL?

The most popular types of Linux Administrator jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for Independent Contractor Linux Administrator jobs?

Cities near Chicago, IL with the most Independent Contractor Linux Administrator job openings:

Independent Contractor Linux Administrator jobs near you
Infographic showing various Independent Contractor Linux Administrator job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 18% Part Time, and 7% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $109,746 per year, or $52.8 per hour.

Infrastructure Engineer

Simplex Trading

Chicago, IL

$110K - $145K/yr

Full-time

Re-posted 26 days ago

Job description

Career Description

Simplex is looking for smart, curious, and driven individuals to join our technology team. Technology at Simplex is the core of the business. We are a leading technology-driven proprietary market-making firm. You will be someone excited by challenges and proactive in problem-solving. 

What will you be doing?

  • Develop and maintain monitoring and deployment systems (Systems and Network)
  • Triage and respond to issues
  • Prepare and execute changes to the Linux environment
  • Maintain and deploy servers and workstations
  • Projects will be completed both independently and as a part of a team, when necessary
  • This is an in-office position, with occasional onsite work at several colocation facilities in Chicago, Aurora, and New Jersey
  • Infrequent evening/weekend work to allow for change execution outside of trading hours
  • Other opportunities as assigned

Skills and Experience:

  • 3+ years of experience as a System Administrator, Linux Administrator, or similar
  • Thorough understanding of Linux (kernel, modules, filesystems) with special emphasis on the network stack, especially multicast, and OpenOnload
  • Experience working with Linux and standard tools (bash, grep, sed, awk) and scripting languages (Python, Perl, bash)
  • Understanding of Linux concepts (kernel, modules, memory allocation, filesystems)
  • Familiarity with common server technologies (IPMI, SNMP), or software (Nagios, Ansible, dnf/rpm, git)
  • Experience troubleshooting complex performance issues
  • Ability to lift and move heavy equipment (40-50 lb regularly)

Apply