Jobs in the United States

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Added 3 mins ago
UA
Mechanical Engineer
U.S. Army Corps of Engineers
Sacramento, CA
- $119,769 to $142,737 USD / year
About the Position: Serve as a senior Mechanical Engineer, responsible for developing mechanical designs; performing technical reviews of mechanical designs developed by…
Added 3 mins ago
UA
INTERDISCIPLINARY
U.S. Army Corps of Engineers
New Orleans, LA · Rock Island, IL · Memphis, TN · Vicksburg, MS · Saint Paul, MN · Saint Louis, MO
- $108,137 to $140,580 USD / year
About the Position: Serves as the District's Subject Matter Expert (SME) in an environment providing technical expertise, guidance, and/or oversight for the District's most complex projects…
Added 4 mins ago
Ford Racing Vehicle Engineering Lead, Feature & Software Delivery
Ford Global
Allen Park, MI
The Vehicle Engineering – Features & Human Factors Engineer will lead the integration of customer needs, human-centered design, HMI, selectable drive modes, ergonomics, and vehicle features…
Added 5 mins ago
UC
Research General Engineer
U.S. Coast Guard
New London, CT
- $120,094 to $156,124 USD / year
This vacancy is for a GS-0801-13, Research General Engineer located in the Department of Homeland Security, U.S. Coast Guard, CG R and D CENTER TECHNICAL DIVISION in NEW LONDON, Connecticut.
Added 5 mins ago
BP
Electrical Engineer
Bonneville Power Administration
Spokane, WA · Kent, WA · Olympia, WA · Vancouver, WA
- $118,204 to $160,638 USD / year
…reliable power supply for the region. As a Senior Customer Service Engineer, you are not just an employee; you are the primary technical authority and trusted business partner connecting…
Added 5 mins ago
BP
Electrical Engineer
Bonneville Power Administration
Vancouver, WA · Olympia, WA · Spokane, WA · Kent, WA
- $118,204 to $160,638 USD / year
…reliable power supply for the region. As a Senior Customer Service Engineer, you are not just an employee; you are the primary technical authority and trusted business partner connecting…
Added 5 mins ago
CA
AUTOMOTIVE MECHANIC
Customs and Border Protection
Tucson, AZ · Douglas, AZ · Willcox, AZ
- $33 to $38 USD / hour
Interpreting and applying manufacturers' repair manuals and technical specifications, schematics and engineer drawings, diagnostic codes, computer printouts, and safety manuals.
Added 8 mins ago
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GENERAL ENGINEER
Naval Sea Systems Command
Kittery, ME
- $101,375 to $131,790 USD / year
You will serve as a GENERAL ENGINEER in the Engineering Department of SUBMEPP ACTIVITY. You will provide technical support to submarine maintenance activities and is concerned with the…
Added 8 mins ago
SS
GENERAL ENGINEER
STRATEGIC SYSTEMS PROGRAMS (SSP)
Washington Navy Yard, DC
- $143,913 to $197,200 USD / year
…NH-03 (GS-13 equivalent) grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate managing or leading…
Added 10 mins ago
Sr. Process Engineer - Drug Product
Encoded Therapeutics
Morrisville, NC
We are seeking an experienced Sr. Process Engineer to join our rapidly growing team based in RTP, NC. This role will focus on the design, implementation and lifecycle management of…
Added 10 mins ago
UN
IT PROGRAM MANAGER (APPSW/SYSANALYSIS)
U.S. Northern Command
Peterson AFB, CO
- $109,246 to $142,022 USD / year
The primary purpose of this position to serve as a North American Aerospace Defense Command and United States Northern Command (N/NC) Directorate level Knowledge Management Engineer.
Added 11 mins ago
Cybersecurity Engineer
Visa U.S.A. Inc.
Austin, TX
helping ensure compliance with the Visa Corporate Identity & Access Technical Security Requirements.
Added 13 mins ago
SS
INTERDISCIPLINARY ENGINEER
STRATEGIC SYSTEMS PROGRAMS (SSP)
Pittsfield, MA
- $92,344 to $142,755 USD / year
You will provide technical expertise to SPSP regarding Information Assurance/Cyber Security (IA/CS) | You will be responsible for the design development, installation and operational…
Added 13 mins ago
UA
Supervisory Industrial Engineer
U.S. Army Joint Munitions Command
Pine Bluff Arsenal, AR
- $89,508 to $116,362 USD / year
…appoint qualified candidates to positions in the competitive…
Added 13 mins ago
UA
Supervisory Industrial Engineer
U.S. Army Joint Munitions Command
Pine Bluff Arsenal, AR
- $89,508 to $116,362 USD / year
About the Position: Serves as Industrial Engineer in charge of procurement and manufacturing quality assurance.Duties
Added 13 mins ago
AC
GENERAL ENGINEER
Air Combat Command
Shaw AFB, SC
- $89,508 to $116,362 USD / year
The primary purpose of this position is: To serve as a professional general engineer, performing design, project programming, construction management/monitoring duties and improvement…
Added 13 mins ago
OA
Federal Project Director
Other Agencies and Independent Organizations
Upton, NY
- $148,222 to $197,200 USD / year
…performance, ensures ES&H and regulatory compliance, and resolves technical and project…
Added 16 mins ago
NS
SUPERVISORY GENERAL ENGINEER
Naval Sea Systems Command
Washington, DC
- $143,913 to $197,200 USD / year
…grade level (GS-13) or pay band pay band (NH-03) in the federal service or equivalent experience in the private or public sector as a Professional Engineer providing guidance of…
Added 16 mins ago
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Senior Solutions Architect
Teknowledge
Colorado Springs, CO
- $106,969 to $160,453 USD / year
Design customer-specific solutions spanning Support Operations, enterprise technical support, customer success, internal service desk, knowledge, quality, workforce, automation, analytics…
Added 19 mins ago
AN
INTERDISCIPLINARY ENGINEER TITLE 5 PERMANENT
Air National Guard Units
Newington, NH
- $101,375 to $131,790 USD / year
THIS IS A NATIONAL GUARD INDEFINITE TITLE 5 EXCEPTED SERVICE POSITION.
Added 19 mins ago
NA
INTERDISCIPLINARY ENGINEER
Naval Air Systems Command
Patuxent River, MD
- $102,415 to $158,322 USD / year
…equivalent to the GS-11 grade level or DP-03 pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following:…
Added 23 mins ago
NF
Environmental Engineer/Physical Scientist
Naval Facilities Engineering Systems Command
Washington Navy Yard, DC
- $121,785 to $158,322 USD / year
…equivalent to the gs-12 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: as a…
Added 25 mins ago
J
Senior Security Engineer, Infrastructure Security
Jobgether
Remote, United States
- $160,000 to $210,000 USD / year
We are seeking an experienced Infrastructure Security Engineer to strengthen and scale the security of a complex, cloud-native technology environment. In this role, you will protect…
Added 45 mins ago
W2 Network Engineer
Inabia Software & Consulting Inc.
Redmond, WA
We are looking for an experienced L2/L3 Network Technical Support Engineer to provide post launch technical support for a broadband service provider’s network and services. The role will
Added 54 mins ago
J
Software Development Engineer in Test (SDET)
Jobgether
Remote, United States
- $135,000 to $160,000 USD / year
…next steps. Our partner is looking for a Software Development Engineer in Test (SDET) based in the United…

US: Mastercard Technologies, LLC

Site Reliability Engineer I

O'Fallon, MO, United States

Pay Ranges O'Fallon, Missouri: $61,000 - $102,000 USD

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Job details

Pay: Pay Ranges O'Fallon, Missouri: $61,000 - $102,000 USD
Posting language: English
Posted: Nov 5, 2026

Original 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

Site Reliability Engineer I

Overview

The Service Operations Technology (SOT) BizOps team is seeking a Site Reliability Engineer I to support and continuously improve enterprise infrastructure, configuration management, discovery, asset and inventory, automation, and operational technology platforms. This role provides an opportunity to develop expertise at the intersection of software engineering and production operations, with exposure to reliability, observability, automation, operational readiness, incident management, and continuous improvement. The successful candidate will support production services while developing engineering skills that help reduce operational toil, improve service visibility, automate repetitive activities, and improve platform reliability. Working with software engineering, infrastructure, product, cybersecurity, and operations teams, this position provides broad exposure to the technologies and engineering practices used to operate business-critical enterprise services.

Role Business Operations supports operational excellence and production readiness for the platforms we support. The team partners with software engineering and technology teams throughout the service lifecycle to help maintain reliable, observable, secure, scalable, and operationally supportable services. As a Site Reliability Engineer I, you will develop practical experience operating enterprise technology platforms while applying SRE and DevOps principles to production support. You will perform platform maintenance, monitoring, troubleshooting, deployment support, and operational validation while contributing to automation and engineering improvements. As your technical knowledge develops, you will have opportunities to contribute to increasingly complex automation, observability, reliability, and platform-engineering activities with guidance from experienced engineers. The SRE framework identifies observability, programming and scripting, systems and network administration, cloud computing, reliability and scalability, DevOps practices, troubleshooting, capacity/performance, IT Service Management, and proactive monitoring as core skills within the discipline. At SP9, the framework classifies these skills at the Foundational level.

Responsibilities

Support the day-to-day operation and maintenance of enterprise technology platforms and supporting infrastructure.
Perform routine system and application maintenance using established procedures and engineering standards.
Support monitoring of service health, availability, performance, capacity, and operational events.
Troubleshoot and resolve basic-to-moderate issues across application, infrastructure, network, operating-system, and integration layers.
Escalate complex technical issues while assisting experienced engineers with investigation and resolution.
Support production incidents and participate in root cause analysis and corrective-action activities.
Perform routine Linux/Unix system administration and support related enterprise infrastructure.
Participate in operating system and application upgrades, patching, vulnerability remediation, releases, deployments, and production changes.
Support production-readiness reviews and operational-validation activities for new or changed services.
Identify opportunities for automation and contribute to scripts and tools that reduce repetitive operational activities and toil, with guidance from experienced engineers.
Contribute to monitoring, alerting, health-check automation, dashboards, and observability improvements using enterprise technologies such as Splunk and Dynatrace. SOT activities document both technologies in operational monitoring work.
Work with REST APIs and system integrations in support of automated operational workflows.
Develop practical experience with source control, CI/CD, release pipelines, deployment automation, and configuration-management technologies.
Assist with capacity, performance, reliability, and system-health analysis.
Follow incident, problem, change, configuration-management, security, and operational risk-management practices.
Maintain technical documentation, operating procedures, troubleshooting guides, and knowledge articles.
Participate in technical reviews and quality checks that support service stability and operational readiness.
Collaborate with product, software engineering, infrastructure, cybersecurity, and operations teams.
Participate in knowledge-sharing activities and continuously develop technical expertise in SRE, automation, observability, cloud, and platform engineering.

Position Qualifications Required Qualifications

Bachelor's degree in Computer Science, Engineering, Mathematics, Information Technology, or a related discipline, or equivalent practical experience.
Foundational knowledge of Linux/Unix systems and system-administration concepts.
Foundational programming or scripting experience using Python, PowerShell, Bash, Java, Go, or similar technologies.
Understanding of networking fundamentals including TCP/IP, DNS, HTTP/HTTPS, SSH, and basic network troubleshooting.
Understanding of software engineering and automation concepts.
Familiarity with monitoring, logging, alerting, and observability concepts.
Systematic problem-solving and troubleshooting abilities.
Understanding of production support, incident response, and change-management practices.
Ability to document technical procedures, issues, and resolutions effectively.
Strong written and verbal communication skills.
Ability to collaborate effectively across technical and business teams.
Strong sense of ownership, curiosity, and interest in automation and continuous learning.

Preferred Qualifications

Experience supporting enterprise applications or infrastructure in production environments.
Experience with Python, PowerShell, Bash, or similar programming, scripting, and automation technologies.
Experience developing or supporting REST APIs, system integrations, and automated operational workflows.
Experience with Splunk, Dynatrace, or comparable enterprise monitoring and observability technologies.
Familiarity with source-control and repository technologies such as Bitbucket and Git, including branch and pull-request workflows.
Familiarity with CI/CD, release, and deployment technologies such as Jenkins and XLR.
Familiarity with configuration management and infrastructure automation technologies such as Chef and Ansible.
Exposure to workflow or orchestration technologies such as Apache NiFi or comparable platforms. NiFi has been discussed within SOT in connection with orchestrating URL/API monitoring and sending resulting logs to Splunk.
Familiarity with AWS, Azure, or enterprise cloud environments.
Experience with CMDB, discovery, asset management, inventory management, or configuration-management technologies.
Familiarity with BMC Discovery or comparable infrastructure-discovery technologies.
Experience with Remedy or comparable ITSM technologies.
Understanding of SSL/TLS and certificate management.
Familiarity with Agile, DevOps, SRE, and modern software-delivery practices.
Relevant Linux, cloud, security, automation, DevOps, or SRE certifications.

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.

THIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 02/03/2027. If the fill date has passed, Mastercard intends to fill this position as soon as possible.

Pay Ranges O'Fallon, Missouri: $61,000 - $102,000 USD

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More about this job

Skills

DevOps
Troubleshooting
Network administration
IT service management
Troubleshoot
Root cause analysis
Linux
UNIX
System administration
Splunk
Dynatrace
Monitor operations in the leather industry
API development
CI/CD
Risk management
Documentation
Statistical quality control
Cybersecurity
Computer science
Computer technology
Python
Microsoft PowerShell
Bash
Oracle Java
Go
DNS
Problem solving
Incident response
Change management
Communication skills
Automation technology
Atlassian Bitbucket
Git
Jenkins
Ansible
Workflow
AWS
Microsoft Azure
Inventory management
Agile

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