Cloud Software Engineer Visa Sponsorship Jobs in Missouri

Position: Cloud Application Software Security Engineer
Location: St. Louis, MO (For a Strong Fit Remote can be possible)

Job Description

High‑Level Summary

We are seeking an application/software engineer with a strong security focus to evaluate, prioritize, and remediate vulnerabilities and compliance findings across custom applications and infrastructure as code (IaC). The engineer will work primarily in VB.NET, SQL, and Python, with IaC authored using AWS Cloud Development Kit (CDK), and operate within AWS GovCloud. Core responsibilities include addressing Known Exploited Vulnerabilities (KEVs), CVE‑driven issues, internal assessment items, and Security Assessment & Authorization (SA&A) findings to meet regulatory and organizational requirements. This role sits at the intersection of secure application development, cloud security engineering, and risk/compliance, driving both code‑level fixes and cloud configuration hardening to maintain a strong security posture.

Primary Responsibilities:

- Conduct security assessments using scanning tools and implement recommended remediations
- Evaluate and remediate Known Exploited Vulnerabilities (KEVs) and Common Vulnerabilities and Exposures (CVEs) in custom applications and infrastructure
- Support Security Assessment and Authorization (SA&A) processes, including documentation and evidence collection
- Analyze Software Bill of Materials (SBOM) findings to identify vulnerable dependencies and recommend updates or alternatives
- Review and remediate security vulnerabilities in custom VB.NET, SQL, and Python code
- Perform security analysis and hardening of AWS Cloud Development Kit (CDK) infrastructure as code
- Collaborate with development teams to implement secure coding practices and address identified vulnerabilities
- Maintain security documentation and track remediation efforts through completion
- Ensure compliance with federal security standards and frameworks (NIST, FISMA, FedRAMP, etc.) within AWS GovCloud environment
- Participate in security scanning automation and continuous monitoring initiatives

Required Qualifications:

- Bachelor's degree in Computer Science, Software Engineering, Cybersecurity, or related field; or equivalent work experience
- Minimum 3-5 years of experience in application security or software development with security focus
- Proven experience with vulnerability assessment and remediation methodologies
- Working proficiency with Python, SQL, and VB.NET or legacy .NET frameworks
- Experience with AWS Cloud Development Kit (CDK) or similar IaC tools (Terraform, CloudFormation)
- Hands-on experience working in AWS environments, preferably AWS GovCloud
- Experience with AWS security services (GuardDuty, Security Hub, Inspector, Config)
- Understanding of CVE/KEV identification and remediation processes
- Knowledge of SBOM generation and analysis
- Experience with static application security testing (SAST), dynamic application security testing (DAST) and penetration testing
- Strong analytical and problem-solving skills
- Excellent written and verbal communication skills

Preferred Qualifications:

- Professional security certifications (CISSP, CEH, GIAC GSEC, AWS Security Specialty, or equivalent)
- Knowledge of container security (Docker, ECS, EKS)
- Experience with CI/CD pipeline security integration (Jenkins, GitLab CI, AWS CodePipeline)
- Familiarity with DevSecOps practices and tooling
- Knowledge of secure software development lifecycle (SSDLC) practices
- Understanding of zero trust architecture principles
- Background in both application development and security operations