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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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

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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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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.

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