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Internship Linux Operator Jobs in St Louis, MO (NOW HIRING)

Internship Linux Operator information

See St Louis, MO salary details

$11

$22

$28

How much do internship linux operator jobs pay per hour?

As of Jul 30, 2026, the average hourly pay for internship linux operator in St. Louis, MO is $22.43, according to ZipRecruiter salary data. Most workers in this role earn between $16.83 and $28.03 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Internship Linux Operator, and why are they important?

To thrive as an Internship Linux Operator, you need foundational knowledge of Linux operating systems, command-line interface usage, and basic system administration, often supported by relevant coursework or certifications like CompTIA Linux+. Familiarity with tools such as Bash scripting, system monitoring utilities, and version control systems like Git is typically required. Strong attention to detail, problem-solving skills, and a willingness to learn set exceptional candidates apart. These skills ensure interns can efficiently support system operations, troubleshoot issues, and contribute to a reliable IT environment.

What does an Internship Linux Operator do?

An Internship Linux Operator assists in managing, monitoring, and maintaining Linux-based systems under the supervision of senior IT staff. Their responsibilities often include basic system administration tasks such as troubleshooting issues, applying updates, managing user accounts, and ensuring system security. Interns may also help automate routine processes and learn best practices for maintaining server reliability. This role is ideal for gaining hands-on experience with Linux operating systems in a professional environment.

What are some typical daily tasks and learning opportunities for an Internship Linux Operator?

As an Internship Linux Operator, you can expect to assist with monitoring system performance, managing user accounts, and ensuring servers run efficiently. Daily tasks often include responding to support tickets, performing routine maintenance like backups and updates, and troubleshooting hardware or software issues under the guidance of senior administrators. This role provides hands-on exposure to command-line tools, scripting, and real-world IT operations, making it a valuable learning experience. You'll also collaborate with IT teams and may participate in projects aimed at improving system reliability.
Infographic showing various Internship Linux Operator job openings in St. Louis, MO as of July 2026, with employment types broken down into 2% Internship, 74% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 89% Physical, 1% Hybrid, and 10% Remote job distribution, with an average salary of $46,656 per year, or $22.4 per hour.

Lead Software Engineer (C/C++)

Mastercard, Inc.

O Fallon, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 28 days ago


Job description

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Lead Software Engineer (C/C++)
Overview
This is an exciting opportunity for you to join Mastercard on the global credit card authorization team. The system facilitates billions of transactions among issuers, acquirers, and service providers. You will have the chance to lead projects that enhance this system each release. We are looking for engineers that are passionate about design and development with constant focus on quality.
Responsibilities
• Partner with Product Management to elaborate features, stories, and test strategy for each initiative
• Create technical designs and assign work to developers
• Develop complex stories in C and write unit tests in C++ (Google Test)
• Be a quality gate by leading code and design reviews
• Collaborate with other Principals and Leads to define interfaces and interactions between systems
• Advise on implementation strategy for successful deployment
• Implement development process improvements and automation
• Coach and develop junior employees
• Deliver department and external presentations
All About You
• Have you written many lines of code in C or C++?
• Do you like solving complex challenges?
• Have you set technical direction for your team and mentored junior engineers?
• Do you have experience in automation (CI/CD)?
• Have you developed software for Linux operating systems?
• Do you have experience and prefer working on an Agile team?
• Have you worked on embedded or real-time distributed systems?
• Are you passionate about quality and engineering standards?
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
  • Abide by Mastercard's security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.
In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.