78 security software engineer jobs at 33 companies in Gillespie, IL

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3w
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Experienced Software Engineer
Hazelwood, Missouri, United States
$127k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEBachelor's degree, 5+ years software engineering experience, proficiency in C/C++/C#, Agile experience, ability to obtain U.S. Secret security clearance, simulation/software architecture experience preferred.
C, C++, C#, Python, Lua, OpenGL, Jira, Jenkins, GitLab, CMake, Visual Studio
4w
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Software Engineer
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's in a technical field, TS/SCI with polygraph, 5+ years software development experience with Java and/or Python, web frameworks, relational/NoSQL databases, Agile experience, and secure coding practices.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD
1w
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Experienced Product Security Engineer (Software) ***Signing Bonus Potential***
Berkeley or St. Louis
$128k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOE5+ years engineering experience, BS in relevant field, experience with military/defense customers, ability to obtain U.S. security clearance, knowledge of product security/anti-tamper and systems-level secure design.
4w
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Software Engineer
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in CS or related, 5+ years software development experience, Java and/or Python proficiency, experience with web frameworks and databases, TS/SCI clearance with polygraph required, Agile and secure coding experience.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD
3mo
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Software Engineer III
St. Louis, Missouri, United States
OnsiteFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
5+ YOEActive U.S. Top Secret/SCI clearance; 5+ years software development in VB.NET/C#.NET; SQL experience; unit testing; CompTIA Security+ or Computer Science degree.
VB.NET, C#.NET, SQL, xUnit, nUnit, MSTest, Windows, Azure DevOps, Jira, CI/CD, RESTful APIs, C++
3mo
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Sr. Software Engineer
Hazelwood, Missouri, United States
$82k-$115k/yr HybridFull Time
bioMérieux
bioMérieuxEuronext Paris: BIM: Provides diagnostic solutions for infectious diseases and industrial microbiology.
7+ YOE7+ years full stack development with Java; AWS; API development; security/compliance; IaC; data pipelines; relational databases; strong collaboration.
Java, Angular, AWS, Terraform, CloudFormation, Docker, Kubernetes, Python, SQL
4w
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Software Development Engineer I
St. Louis, Missouri, United States
$76k-$129k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
1+ YOE1+ years JavaScript/TypeScript experience, bachelor's in CS/Math/GIS/STEM, strong OOP and software methodology knowledge, ability to maintain US security clearance, Python experience for geoprocessing preferred.
JavaScript, TypeScript, Python, HTML, CSS, Swift, Kotlin, ReactJS, Vue, Svelte, GIS, REST Web services, SQL, SQL Server, PostgreSQL, Oracle
2w
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Software Developer - Advanced (MO, Saint Louis)
St. Louis, Missouri, United States
OnsiteFull Time
RiVidium
RiVidium: Provides cybersecurity software and IT services to federal agencies.
Requires RMF knowledge, experience with Python, HTML, CSS, JavaScript, React, Tableau, database development, and secure full‑stack software development; baccalaureate degree required.
Python, HTML, CSS, JavaScript, React, Tableau
1mo
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Senior Software Engineer - ServiceNow/Javascript/API
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood
HybridFull Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
3+ YOE3+ years software development, 2+ years ServiceNow and JavaScript experience, API scripting (REST/SOAP), shell scripting (SSH/PowerShell), US work authorization, reside in St. Louis area, security-minded.
ServiceNow, JavaScript, REST, SOAP, SSH, PowerShell, Agile, Scrum
1mo
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AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel
StifelNYSE: SF: Global wealth management and investment banking firm.
2+ YOEMinimum 2+ years information security or software development; bachelor’s degree in CS/IS/Cybersecurity/Software Engineering; CISSP/CSSLP/GIAC or similar preferred.
SAST, DAST, SCA, API security, Mobile security, Python, AWS, CI/CD, GitHub, C#, Angular
1w
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Software Engineer - Full Stack
St. Louis, Missouri, United States
$110k-$115k/yr OnsiteFull Time
LaunchCode
LaunchCode: Nonprofit providing free tech education and job placement services.
5+ YOE5+ years experience building and maintaining production systems; strong Postgres SQL skills; backend language proficiency (Golang preferred; Java/C#/C++/Python valued); front-end experience with Angular, HTML/CSS/JavaScript/TypeScript; cloud and security familiarity.
Angular, Golang, Java, C#, C++, Python, Postgres, Google Cloud, AWS, Azure, Git, Bitbucket, Node, HTML, CSS, JavaScript, TypeScript
2w
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Web Software Developer
Scott Air Force Base, Illinois, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
10+ YOE10+ years experience, DoD Top Secret with SCI eligibility, CompTIA Security+, experience with Node.js, React, Strapi, AWS, AppStream, Confluence, JavaScript, HTML, CMS, and technical writing.
Node.js, React, AppStream, Confluence, JavaScript, HTML, Strapi, AWS, ServiceNow, Jira, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Project, Microsoft Excel
2w
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Software Engineer - AI (Top Secret Clearance Required)
Alexandria or Chantilly or Gaithersburg or Saint Louis
OnsiteFull Time
North Point Technology
North Point Technology: Technology services and engineering for federal government missions.
Active Top Secret clearance (TS) required, bachelor’s in CS/Engineering, DoD 8570 IAT Level II/III (e.g., Security+), proficiency in Python, cloud (AWS) architecture, CI/CD, CloudFormation/Terraform, and database development.
Python, GitLab, Jenkins, AWS CloudFormation, Terraform, PostgreSQL, Zabbix, ACAS, Jira, Confluence, RocketChat, AWS, Windows, Linux
2w
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Web Software Developer
Scott AFB, Illinois, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
10+ YOE10+ years experience, DoD Top Secret clearance with SCI eligibility, CompTIA Security+, Node.js/React/JavaScript/HTML, Strapi CMS, AWS, AppStream, Confluence, MS Office proficiency, technical writing, and configuration/change management for government customers.
Node.js, React, AppStream, Confluence, JavaScript, HTML, Strapi, AWS, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Project, Microsoft Excel, ServiceNow, Jira
1mo
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Software Engineer, Senior (Hazelwood, MO, US, 63042)
Hazelwood, Missouri, United States
OnsiteFull Time
FlightSafety International
FlightSafety International: Professional aviation training and flight simulator manufacturing services.
2+ YOEBachelor's in a technical field (or equivalent) with ≥2 years related experience; strong SDLC, Agile/Waterfall, Azure DevOps, Visual Studio, Git, Python/bash/PowerShell/Perl, and advanced math skills; may require security clearance and U.S. Person status.
Microsoft Azure DevOps, Microsoft Visual Studio, Git, bash, PowerShell, Python, Perl
2mo
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Software Engineering Manager
St. Louis, Missouri, United States
$150k-$190k/yr OnsiteFull Time
Federal Reserve System
Federal Reserve System: The central bank of the United States.
5+ YOE5+ Mgmt5+ years IT leadership; Agile; cloud/DevOps; security; US citizenship required.
Cloud, DevOps, Agile, Security best practices, Web APIs, Object Oriented Programming
2w
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Manager, DTC Software Engineering
St. Louis or Boston
$122k-$183k/yr HybridFull Time
New Balance: Designs and manufactures athletic footwear, apparel, and sports equipment.
10+ YOE4+ Mgmt10+ years technical experience, 4+ years managing engineers, Bachelors in CS/IS or related, eCommerce experience preferred, strong engineering best practices and security knowledge.
HTTP, HTML, CSS, JavaScript, Node.js, .Net, C#, Java, PHP, REST, SOA, microservices, message queues, databases, Microsoft Azure, Salesforce Commerce Cloud, Confluence, Jira, Service Desk, Bitbucket
3mo
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DevOps Engineer
St. Louis, Missouri, United States
$120k-$180k/yr OnsiteFull Time
Bana Solutions
Bana Solutions: Provides software engineering, cybersecurity, and data solutions for government agencies.
6+ YOESecurity-focused DevSecOps engineer with 6-15 years experience.
2w
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Mobile Engineer - React Native
St. Louis, Missouri, United States
$90k-$176k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years software engineering experience, 5+ years React Native/JS/TypeScript, mobile architecture, offline-first, native Android/iOS skills, CI/CD and security, bachelor's degree preferred.
React Native, React, JavaScript, TypeScript, GraphQL, Firebase, GitHub Actions, Azure DevOps, Fastlane, Jenkins, Kotlin, Java, Swift, Objective C, AWS, Azure, Google Cloud
2mo
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Cloud Engineer (St. Louis, MO, Missouri, United States)
St. Louis, Missouri, United States
$78k-$170k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
Mid-level cloud engineer with TS/SCI clearance; experience with cloud architectures, software development, and security; strong problem-solving and communication skills.
AWS, OpenShift, GitLab, Kibana, Fortify, OWASP, SonarQube