AWS Software Engineer (Twistlock Vulnerability)

Peraton is seeking an AWS Software Engineer with expertise in Twistlock Remediation, and strong AWS and DevSecOps experience to join our team of qualified, diverse individuals. The ideal candidate will become part of Peraton's Department of Homeland Security (DHS) Datacenter Consolidation and Cloud Optimization (DCCO) program providing Tier 3 support to the DHS Homeland Advanced Recognition Technology (HART) biometric system. This position focuses on developing and maintaining automated unit and integration tests in support of the Tier 3 engineering team responsible for maintaining and optimizing the HART biometric system. The developer will work closely with software engineers, system administrators, and cybersecurity professionals to ensure code quality and operational integrity of critical biometric services.

Day to Day Roles and Responsibilities:

Triage, prioritize, and remediate vulnerabilities detected by Twistlock in container images, running containers, and host environments.
• Coordinate directly with development, infrastructure, and DeveSecOps teams to apply fixes and configuration changes.
• Perform root cause analysis on test failures and assist in debugging and defect remediation.
• Work within CI/CD pipelines (e.g., Jenkins, GitLab) to integrate automated testing and ensure seamless deployment.
• Patch or rebuild vulnerable container images and validate resolution using Twistlock scan reports.
• Document and track remediation progress using tools such as Jira.
• Support security audits and generate after-action remediation documentation.
• Monitor system logs, alerts, and test metrics to identify performance and reliability issues.
• Participate in periodic on-call rotations (4-6 times/year) to support production issue triage and verification.

Basic Qualifications:

• High School diploma and 6 years of IT experience
• U.S. Citizenship and the ability to obtain/maintain DHS EOD clearance (required prior to start).
• Proficiency with test frameworks (e.g., JUnit, TestNG, Ginkgo, Pytest) and mocking libraries.
• Hands-on experience with Twistlock including the Vulnerability and Compliance modules.
• Familiarity with vulnerability scoring system, CVEs, and patch management best practices.

Preferred Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• AWS experience and/or AWS certifications highly desirable.
• Familiarity with OpenShift, Ansible Automation Platform, Docker, and Jenkins.
• Knowledge of CI/CD practices, GitLab runners, and secure code validation tools such as SonarQube.
• Experience with Splunk and log analysis for identifying system or test anomalies.
• Exposure to CyberArk or other privileged access management tools.

Program Technologies:

• AWS GovCloud, AWS Console
• GitLab, Jenkins, SonarQube
• OpenShift, Ansible, Docker
• PostgreSQL (Aurora)
• Splunk, CyberArk, Java/Golang, Twistlock
• ActiveMQ and JMS-based services

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.