469 Professional Level Systems Engineer jobs in Belleville,IL

Leidos

East Carondelet, IL 62240

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

U.S. Navy

Fairview Heights, IL 62208

US Navy

O Fallon, IL 62269

United States Customs and Border Protection

Lovejoy, IL 62059

Leidos

Caseyville, IL 62232

Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience
Must possess an active Top Secret Security Clearance with SCI eligibility, and ability to obtain a Polygraph after hire
Must be a U.S. Citizen
Understanding of custom code development/reviews
Experience with GITLAB functionality, error codes and scripting
Experience using AWS services/technologies (e.g. CloudFormation, S3, ECS, EKS)
Experience with AWS Serverless architectures (lambda, API gateway, load balancing, autoscaling)
Experience supporting development testing
Experience with cloud-based architectures
Understanding of DevSecOps methodologies and workflow
Experience developing and managing CI/CD pipelines
Knowledge of SW Development and SW Sustainment Practices
Team Collaboration tools (Jira, Confluence)

Gulfstream Aerospace Corporation

Saint Louis, MO 63129

High School Diploma or GED required
A&P license, FCC license, or NCATT cert preferred
Able to read/interpret blueprints, engrg docs and use/read precision measuring tools
Proficient in the operation of all tools & equip in the dept
Basic understanding of shop math
4 years experience in one of the following or other related exp: Sheetmetal , hydraulic overhaul, avionics/elect compo repair
Accredited schooling in electronics and elect sys may offset some experience reqmts
APU removal, install, service
This will be a 2nd shift position
Candidate must have experience overhauling and repairing landing gear
Candidate must be proficient in the use of micrometers, calipers, tri-mics, reading and interpreting aircraft drawings and component overhaul manuals