642 Systems Engineer jobs in Fenton,MO

F-22 Training Systems Principal Engineer

Boeing

Saint Louis, MO 63134

~ 23 min OnsiteHealth InsuranceRetirement Benefit

Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement
10+ years of related work experience
5+ years of experience leading teams in a formal and/or informal role
Experience developing technical proposals and estimates
Experience developing and tracking program plans/schedules and budgets for technical projects

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Software Engineer VI (Multiple Openings)

Spectrum

Maryland Heights, MO 63043

Hybrid~ 29 minUrgently Hiring

Bachelor's degree in Information Technology, Computer Science, Electronics Engineering, or a related field
5 years of experience: using Spring Boot and Microservices to build and develop Enterprise Web applications; designing applications, coding applications, testing applications, and handling huge data sets with Java 17, J2EE, or SQL; managing, integrating, and warehousing data utilizing ETL methodologies; and utilizing Redis to cache data
3 years of experience utilizing Kafka to build real-time streaming data pipelines
Hybrid arrangement is available

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Senior Site/Civil Engineer

Gonzalez Companies

Des Peres, MO 63122

OnsiteUrgently HiringHealth 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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Lead, Site Reliability Engineer

Mastercard

O Fallon, MO 63368

~ 40 min OnsiteUrgently HiringEducation 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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Mid-Level SQL Engineer

Leidos

National Stock Yards, IL 62071

~ 31 min OnsitePaid Time OffRetirement Benefit

Bachelor's degree in computer science, Software Engineering, or related field with 4–8 years of experience; or Master's with 2–6 years
US Citizenship
Active TS/SCI with ability to successfully pass a Polygraph
Strong SQL skills, including the ability to write advanced queries (joins, aggregations, subqueries, window functions)
Experience working with enterprise relational databases (PostgreSQL, MySQL, Oracle, etc.)
Background supporting analytics, dashboards, or reporting pipelines
Comfortable working in Linux‑based environments
Proven ability to work independently on data‑centric tasks and ensure data quality

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Journeyman User Support Specialist (Priority Team - Shift 2)

GovCIO LLC

Saint Louis, MO 63103

$34.61/hr

Hybrid~ 23 min

High School with 3 - 5 years (or commensurate experience)
Certification: Current DoD 8570 IAT Level I certification (e.g., A+ CE, Network+ CE, CCNA-Security, SSCP).
Advanced proficiency in Windows operating systems with active administration knowledge of Active Directory and Azure environments.
Operational knowledge of Exchange Admin Center, user account provisioning, distribution groups, and shared mailbox infrastructure control.
Functional knowledge of EDMS, SharePoint administration, Remote Desktop Server environments, and granular File Sharing Permissions.
Proven capability to execute advanced technical scripts and optimize predefined diagnostic workflows under pressure.
Demonstrated skill in isolating and engineering fixes for critical enterprise system issues under high-stakes conditions.
Exceptional verbal and written technical communication skills to translate complex architectural issues to VIP and non-technical operators.
Elite time management and workload prioritization skills to manage parallel high-priority incidents while consistently satisfying strict enterprise SLAs.
Proven ability to operate independently and collaboratively within a dedicated mission-critical priority team environment.
Clearance Required: Active Secret Clearance.

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HVAC Truck Based Service Controls Engineer

Johnson Controls

Saint Louis, MO 63129

$36.59-$50.29/hr

~ 23 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Demonstrated knowledge HVAC industry.
Demonstrated knowledge of control theory, automatic temperature controls, building automation systems and other building subsystems.
Demonstrated experience in the integration of low voltage building sub-systems using various industry protocols (i.e., LON, BACnet, etc.).
Ability to relate technical knowledge to a non-technical audience.
Demonstrated advanced computer skills required, particularly computer-related drafting tools.

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Product Applications Engineer - Switchgear

The Gund Company

Saint Louis, MO 63132

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Electrical Engineering Manager

William Charles Construction

Saint Louis, MO 63146

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Region Landfill Engineer

Waste Connections

Saint Louis, MO 63133

~ 23 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bring at least 5 years of experience in waste services, civil construction, or mining
Hold a degree in civil or environmental engineering
Possess experience leading large‑scale projects
Being primarily accountable for project outcomes

SmartExplore AI is experimental.