Senior Security Software Engineer - Build Cloud Security Tools

GTN Technical Staffing; Dallas (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

GTN Technical Staffing seeks a hands-on Senior Security Software Engineer to build software, automation, and security capabilities for a large-scale HPC and cloud environment.

The role sits at the intersection of software engineering, platform security, vulnerability management, cloud security, and DevSecOps, developing internal security tooling, automations, and integrations to protect platforms and delivery systems.

Qualifications

• 6+ years of experience in software engineering, security engineering, or related areas.
• Experience building internal tools, services, APIs, automation, or distributed systems.
• Hands-on experience with vulnerability management and remediation at scale.
• Experience with security platforms such as Tenable, Qualys, Wiz, Prisma Cloud, CrowdStrike, Lacework.
• Strong understanding of Linux, cloud infrastructure, containers, and modern platform environments.

Responsibilities

• Design and build software and automation for vulnerability detection, remediation, reporting, and security posture management.
• Develop internal security tools, services, APIs, and integrations that improve security visibility and engineering accountability.
• Build event-driven and API-based integrations across vulnerability, endpoint, cloud, and platform security systems.
• Use Python, Go, Java, Bash, or similar languages to automate security workflows at scale.
• Improve reliability, scalability, and maintainability of security engineering platforms.
• Integrate security controls into CI/CD pipelines and Infrastructure-as-Code workflows.
• Support dependency scanning, container image security, artifact integrity, and software supply chain protections.
• Secure environments across AWS, Azure, Kubernetes, Linux, and containerized infrastructure.
• Partner with engineering teams to reduce recurring security issues and improve secure-by-default configurations.
• Improve security visibility across distributed production environments.
• Provide incident response support and postmortems to drive long-term improvements.

Skills

Software engineering

Security engineering

DevSecOps

Cloud security

Vulnerability management

CI/CD pipelines

API security

Python/Go/Java

Tools

Tenable

Qualys

Wiz

Prisma Cloud

CrowdStrike

Lacework

Job description

GTN Technical Staffing seeks a hands-on Senior Security Software Engineer to build software, automation, and security capabilities for a large-scale HPC and cloud environment.

The role sits at the intersection of software engineering, platform security, vulnerability management, cloud security, and DevSecOps, developing internal security tooling, automations, and integrations to protect platforms and delivery systems.