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Site Reliability Engineer Jobs in Missouri (NOW HIRING)

Lead Site Reliability Engineer-2

O Fallon, MO ยท On-site

$53.25 - $70.75/hr

Title and Summary Lead Site Reliability Engineer-2 Overview: Who is Mastercard?At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere ...

Lead Site Reliability Engineer-2

O Fallon, MO ยท On-site

$53.25 - $70.75/hr

Title and Summary Lead Site Reliability Engineer-2 Overview: Who is Mastercard?At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere ...

Dynatrace SRE

Saint Louis, MO ยท On-site +1

$55.50 - $73.75/hr

Dynatrace SRE Contract Duration:6+ month with potential to Convert or Extend Location:Remote - Must reside in US Work Hours: 8am - 5pm CST Qualifications/Skills Needed: * Support and Troubleshooting

Core Engineering: 10+ years of experience in SRE, DevOps, or Software/Systems Engineering, particularly in managing production systems at scale. * Cloud Infrastructure: Deep expertise in public cloud ...

New

Site Reliability Engineer II

O Fallon, MO ยท On-site

$53.25 - $70.75/hr

Title and Summary Site Reliability Engineer II The BizOps team at Mastercard is looking for a Site Reliability Engineer (SRE) who thrives on solving complex problems, building robust CI/CD pipelines ...

Site Reliability Engineer II

O Fallon, MO ยท On-site

$53.25 - $70.75/hr

Title and Summary Site Reliability Engineer II The BizOps team at Mastercard is looking for a Site Reliability Engineer (SRE) who thrives on solving complex problems, building robust CI/CD pipelines ...

Showing results 21-40

Site Reliability Engineer information

See Missouri salary details

$10

$59

$86

How much do site reliability engineer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for site reliability engineer in Missouri is $59.79, according to ZipRecruiter salary data. Most workers in this role earn between $51.39 and $68.32 per hour, depending on experience, location, and employer.

Is a site reliability engineer a stressful job?

A site reliability engineer (SRE) role can be stressful due to the responsibility of maintaining system uptime, handling incidents, and ensuring reliability under tight deadlines. The job often involves on-call duties, troubleshooting complex issues, and working with automation tools, which can contribute to work-related stress but also offers opportunities for skill development and problem-solving.

What is a site reliability engineer?

A site reliability engineer specializes in site reliability engineering, or SRE, a specific branch of operations first pioneered by Google. You are responsible for ensuring that when a website decides to scale a particular feature for various users to access, it does not break the underlying software or website functions. This means you need to use analytical problem-solving skills to determine how to make specific features on a new software release work on top of existing source code.

What are the key skills and qualifications needed to thrive as a site reliability engineer?

To thrive as a Site Reliability Engineer, you need a strong background in computer science, systems administration, and software engineering, often supported by a degree in a technical field. Familiarity with cloud platforms (like AWS or GCP), container orchestration (such as Kubernetes), infrastructure as code (Terraform or Ansible), and monitoring tools (Prometheus, Grafana) is typically expected. Strong problem-solving skills, effective communication, and a proactive mindset help SREs excel at incident management and cross-functional collaboration. These skills are crucial for maintaining system reliability, minimizing downtime, and driving continuous improvement in complex technical environments.

What are some of the most common challenges site reliability engineers face when balancing system reliability with rapid software delivery?

Site Reliability Engineers (SREs) often navigate the challenge of maintaining highly reliable systems while supporting fast-paced software releases. This involves managing incidents, automating processes to reduce manual toil, and working closely with development teams to embed reliability into the software development lifecycle. SREs must carefully prioritize their efforts between proactive improvements and urgent, reactive fire-fighting. Effective communication and collaboration with both operations and development teams are crucial to ensuring service uptime without slowing down innovation.

What is the difference between Site Reliability Engineer vs DevOps Engineer?

AspectSite Reliability EngineerDevOps Engineer
CredentialsTypically requires a computer science degree, certifications like AWS, Google Cloud, or KubernetesSimilar credentials, often with cloud certifications and scripting skills
Work EnvironmentFocuses on maintaining and improving system reliability, often in large-scale production environmentsWorks on automation, CI/CD pipelines, and deployment processes across development and operations teams
Industry UsageCommon in tech, cloud services, and large-scale enterprise companiesWidely used in software development, cloud, and IT organizations

Both roles require strong technical skills and cloud knowledge, but SREs focus more on system reliability and uptime, while DevOps engineers emphasize automation and deployment processes. They often collaborate but have distinct primary responsibilities.

What is a site reliability engineer?

A Site Reliability Engineer (SRE) is a professional who applies software engineering principles to infrastructure and operations problems. Their primary goal is to create scalable and highly reliable software systems, often bridging the gap between development and IT operations. SREs automate tasks, monitor system health, respond to incidents, and work to improve system reliability and performance. They also help define service level objectives (SLOs) and ensure systems meet customer expectations for uptime and availability.
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Infographic showing various Site Reliability Engineer job openings in Missouri as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 72% In-person, 4% Hybrid, and 24% Remote job distribution, with an average salary of $124,363 per year, or $59.8 per hour.

Lead Site Reliability Engineer-2

MasterCard

O Fallon, MO โ€ข On-site

$53.25 - $70.75/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 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 asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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 Site Reliability Engineer-2Overview:
Who is Mastercard?At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation, and delivers better business results.Technology at MastercardWhat we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day.Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what's next.
Role:
The Business Operations (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products. As a Business Operations SRE, we are responsible for ensuring that our platform is stable and healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault-tolerant, scalable products. We see the big picture and help create and enforce operations standards while facilitating an agile and learning culture. We are seeking a highly motivated and experienced Lead Site Reliability Engineer (SRE) to join our growing team. You will play a critical role in ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations. As a leader thought leader in your field, you will bring technical expertise, a passion for automation, and the ability to mentor and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root cause by understanding the business impact of our products and subsequently performing blameless post-mortems. The goal of every Business Operations team is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications. Business Operations teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. Ultimately, the role of Business Operations is to align Product and Customer Focused priorities with Operational needs by providing continuous feedback throughout the lifecycle.
All about you-Team Specific Skills:
Biz Ops engineers engage in various roles:- Operational Readiness Architect: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: Design resilient infrastructure, perform root cause analysis, and automate alerts.- DevOps/Automation: Improve service lifecycle, support CI/CD pipelines, and reduce manual intervention.- ITSM Practices: Analyze platform activities and provide feedback to development teams.Role qualifications:Ideal candidates have:- BS in Computer Science or related field.- Proficiency in Java, Spring Framework, Python, or Go.- Strong DevOps and configuration management skills.-
Experience with distributed systems and automation.- Problem-solving, communication, and leadership abilities.- Passion for observability and continuous improvement.- Willingness to learn and collaborate across teams.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.

Pay Ranges

O'Fallon, Missouri: $122,000 - $207,000 USD