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Professional Level Applications Engineer

Ballwin,MO

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523 Professional Level Applications Engineer jobs in Ballwin,MO

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Associate and Mid-Level Software Engineers

Boeing

Saint Louis, MO 63134

~ 25 min OnsiteUrgently HiringHealth InsuranceRetirement Benefit

  • Bachelor's Degree
  • 3+ years of experience in DevSecOps, cloud engineering, or related software engineering roles.
  • Hands-on experience provisioning and managing lab/test environments on-premises and in cloud platforms (Azure and AWS).
  • Proficiency with Infrastructure as Code tools such as Terraform, Ansible, ARM templates, or similar.
  • Experience with Kubernetes (EKS, AKS) and container orchestration.
  • Strong background in CI/CD pipeline development and automation using tools like GitLab CI, GitHub Actions, Jenkins, or Azure DevOps.
  • Familiarity with automated integration testing frameworks and orchestration.
  • Solid scripting skills in Python, Bash, or PowerShell.
  • Experience with monitoring, logging, and observability tools (Prometheus, Grafana, ELK, CloudWatch).
  • Understanding of security best practices in cloud and DevSecOps environments.
  • Excellent problem-solving skills and ability to work collaboratively in a fast-paced environment.
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New, Posted 1 day ago
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Mid-Level Backend Software Engineer

Leidos

Venice, IL 62090

~ 43 min OnsitePaid Time OffRetirement Benefit

  • Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master's degree with 2–6 years of experience
  • US Citizenship
  • Active TS/SCI with the ability to successfully pass a Polygraph
  • Professional experience developing object‑oriented applications in Java or Python
  • Hands‑on experience building and maintaining RESTful APIs
  • Basic to moderate experience with SQL capability, including writing queries and working with relational databases
  • Working knowledge of Linux‑based environments
  • Ability to work independently on defined tasks within established technical frameworks and deliver reliable results
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Real Time Software Engineer–Vehicle Management Systems (Mid Level or Senior)

Boeing

Hazelwood, MO 63042

Paid Relocation to Hazelwood, MO

RemoteHealth InsuranceRetirement Benefit

  • 5+ years of experience with C/C++
  • 3+ years of experience designing and developing software for Real-Time or Non-Real-Time systems
  • 5+ years of experience with the software development lifecycle
  • 1+ years of experience Safety or Flight Critical Software Development Experience
  • This position requires ability to obtain program access, for which the U.S. Government requires U.S. Citizenship only
  • Export Control Requirements: This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.
  • Relocation: This position offers relocation based on candidate eligibility
  • Security Clearance: This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim U.S. Secret Clearance Pre-Start and final U.S. Secret Clearance Post-Start is required
  • Shift: This position is for 1st shift
  • Export Control Details: US based job, US Person required
  • Visa Sponsorship: Employer will not sponsor applicants for employment visa status
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New, Posted 1 day ago
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Mid-Level Backend Software Engineer

Leidos

East Carondelet, IL 62240

~ 34 min OnsitePaid Time OffRetirement Benefit

  • Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master's degree with 2–6 years of experience
  • US Citizenship
  • Active TS/SCI with the ability to successfully pass a Polygraph
  • Professional experience developing object‑oriented applications in Java or Python
  • Hands‑on experience building and maintaining RESTful APIs
  • Basic to moderate experience with SQL capability, including writing queries and working with relational databases
  • Working knowledge of Linux‑based environments
  • Ability to work independently on defined tasks within established technical frameworks and deliver reliable results
SmartExplore AI is experimental.
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Product Applications Engineer - Switchgear

The Gund Company

Saint Louis, MO 63132

Bilingual Preferred
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Senior Site/Civil Engineer

Gonzalez Companies

Manchester, MO 63021

OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • Licensed Professional Engineer (PE) in Illinois or Missouri (required).
  • Strong technical background in site/civil engineering, with expertise in drainage and stormwater management.
  • Demonstrated ability to lead a department or project team, including mentoring staff and managing resources.
  • Proven programmatic client experience, with success managing multi-project or multi-year client relationships.
  • Excellent technical writing and verbal communication skills – able to articulate detailed engineering concepts to diverse stakeholders.
  • Track record of business development, strategic networking, or developing a book of business.
  • Excellent communication, leadership, and decision-making skills.
  • Ability to balance hands-on technical work with big-picture planning and team management.
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New, Posted 1 day ago
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Outside Sales Representative

Spectrum

Saint Louis, MO 63114

$100,000/yr
~ 25 min OnsiteUrgently Hiring

  • High School Diploma or equivalent work experience
  • Ability to read, write, speak and understand English language
  • Engaging interpersonal skills
  • Ability to listen, formulate needs based sales strategies, and articulate pitches to sell products and services
  • A passion to succeed and strong personal drive to sell to prospective customers
  • Ability to travel (including during inclement weather) to and from assigned territories and company facilities
  • Familiarity with computer operating systems and software applications as well as consumer and commercial communication devices (e.g., PDAs, smartphones, routers, modems, set-top converters, and wireless devices)
  • Must be able to work evenings and weekends, and as business needs dictate to maximize prospective customer contact
  • Ability to work independently with little or no supervision
  • A valid driver's license, car insurance, a satisfactory driving record, and the use of a reliable personal vehicle
  • Must be legally eligible to work in the U.S. without employment-based immigration sponsorship, now or in the future
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New, Posted 16 hours ago
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Entry-level Lube Tech/Technician

Valvoline Instant Oil Change

Chesterfield, MO 63017

$16.75/hr
~ 16 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

  • English fluency in reading, writing, and speaking
  • Stand for up to 8 hours, climb stairs, and occasionally lift up to 50 pounds
  • Crouch, bend, twist, and work with your hands above your head
  • Be comfortable working in a non-climate-controlled environment
  • This role requires the ability to review, read, and understand written and digital training materials, safety procedures, labels, and operational instructions
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New, Posted 4 hours ago
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Border Patrol Agent (BPA) Experienced New Hire Sign-On and Retention Incentives

United States Customs and Border Protection

East Carondelet, IL 62240

$49,739-$89,518/yr
Bilingual Preferred
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Lead, Site Reliability Engineer

Mastercard

O Fallon, MO 63368

~ 32 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Advanced expertise in Site Reliability Engineering, platform engineering, or infrastructure operations, with strong knowledge of F5 load balancer platforms in large-scale production environments
  • Strong experience implementing observability solutions across logs, metrics, and traces, and using telemetry to improve distributed system reliability and performance
  • Proficiency in Python, Go, Bash, or similar scripting languages to automate operational tasks, improve workflows, and enhance platform efficiency
  • Strong knowledge of Linux/Unix systems, networking, cloud and hybrid infrastructure, and highly available system design aligned to service level objectives
  • Hands-on experience with DevOps practices, including CI/CD pipelines, automation, and container-based deployments, along with strong troubleshooting and root cause analysis skills
  • Recognized as a technical expert who works independently on complex problems, influences outcomes across teams, and mentors others through shared engineering standards and best practices
  • 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.
SmartExplore AI is experimental.
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