Senior IS Security Developer

Responsibilities

• Lead enterprise secure application development and DevSecOps modernization initiatives from strategy through implementation.
• Define and maintain secure software development standards aligned with NIST RMF and the NIST Secure Software Development Framework (SSDF).
• Architect scalable DevSecOps automation frameworks that embed security controls and policy enforcement across CI/CD pipelines.
• Oversee the integration of application-layer security controls, including SAST, DAST, IAST, SCA, and container scanning.
• Provide technical authority for secure software architecture decisions and resolve cross-domain design issues.
• Validate security testing rigor and ensure findings are prioritized by risk and effectively remediated.
• Mentor and develop developers, security engineers, and DevSecOps practitioners through technical reviews and secure-by-design practices.
• Deliver executive-level reporting on application security risk posture, vulnerability trends, and compliance status.

Requirements

• Ability to obtain and maintain a Federal or DoD Public Trust clearance.
• Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, or a related field.
• Minimum of 9 years of experience in secure software development, application security engineering, or DevSecOps.
• Active CompTIA Security+ certification.
• CISSP or relevant DevSecOps/cloud developer certification (e.g., AWS/Azure/GCP, Kubernetes, or GitLab/GitHub DevSecOps).
• Demonstrated experience embedding security controls into CI/CD pipelines and automating compliance.
• Strong understanding of secure coding practices, microservices, APIs, and containerized architectures.

Preferred Qualifications

• Hands-on experience with CI/CD and security platforms such as GitHub Actions, GitLab CI, Jenkins, SonarQube, Snyk, or Checkmarx.
• Experience implementing policy-as-code using IaC tools like Terraform, CloudFormation, or Bicep.
• Additional certifications such as CSSLP, CCSP, or CISM.
• Prior consulting experience with client engagement and delivery leadership.

Benefits

• Medical, Rx, Dental, and Vision Insurance.
• 401(k) Retirement Plan and Student Loan PayDown program.
• Parental Leave and Adoption Assistance.
• Tuition Reimbursement and continuous professional development opportunities.
• Flexible benefits including Health Savings Accounts and Dependent Care FSAs.

About the Company

Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors. We drive efficiency and resilience in the healthcare, financial services, energy, infrastructure, and national security markets.