Cloud Application Software Security Engineer

Stability and mission-driven work in a regulated environment : this 12-month contract role provides hands-on exposure to AWS GovCloud and security activities tied to federal-style compliance and assurance. You will contribute to application and cloud security work in a collaborative DevSecOps-focused environment, with remote potential depending on location and project needs.

Based in St. Louis, MO (hybrid preferred) , this position supports the Security Engineering team by performing application security assessments, remediating vulnerabilities and compliance findings, and helping harden cloud infrastructure. The work centers on AWS GovCloud , custom applications , and support of SA&A , monitoring, and regulatory compliance efforts.

What you’ll do

• Conduct application security assessments and implement remediation recommendations.
• Evaluate and remediate KEVs , CVEs , and compliance-related security findings.
• Review and secure custom applications built with VB.NET , SQL , and Python .
• Harden and secure AWS CDK Infrastructure as Code (IaC) deployed in AWS GovCloud .
• Support SA&A activities, including documentation, continuous monitoring, and regulatory compliance efforts.

What you bring

• Bachelor’s degree in Computer Science, Cybersecurity, Software Engineering, or equivalent experience.
• 3-5+ years of application security or secure software development experience.
• Hands-on experience with Python , SQL , VB.NET , AWS CDK , and AWS security services .
• Experience with vulnerability management , SBOM analysis , SAST , DAST , and penetration testing .

Contract details

Job type: contract
Location: St. Louis, MO (Hybrid Preferred) | Remote Considered
Pay range: $90-$120/hr (depends on experience)

Key skills and tools

VB.NET, SQL, Python, AWS CDK, AWS GovCloud, AWS security services, SBOM analysis, SAST, DAST, penetration testing