Senior Security Developer (Full Stack)

Job Category: Technology and IT
Job Type: On Site
Job Location: Ashburn United States VA
Company Name: C Mack Solutions LLC

C. Mack Solutions is seeking a Senior Software Developer/Architect with deep expertise in application and infrastructure security to lead the design and implementation of security solutions across all layers of our systems, with a primary focus on the application layer and system interactions. This role offers the opportunity to solve complex technical challenges, guide cross-functional teams, and contribute to mission-critical government systems that deliver daily value to customers and end users.

What You’ll Do

  • Design and deploy end-to-end security measures throughout the software lifecycle (development to production).

  • Define and maintain security architecture and policies for AWS-based microservices.

  • Scale security solutions across multiple teams and applications with diverse architectures.

  • Analyze outputs from tools like Anchore, WebInspect, and DBProtect; collaborate with compliance teams to improve scan accuracy.

  • Integrate security checkpoints into CI/CD pipelines and source control to catch insecure coding patterns early.

  • Conduct vulnerability scans, penetration tests, and ethical hacking to proactively address weaknesses.

  • Provide secure coding guidance in Java, Python, and Angular, including training and hands-on support.

  • Deploy real-time monitoring and alerting systems to detect and respond to threats quickly.

  • Champion Zero Trust security principles in architecture and implementation.

Requirements

  • U.S. Citizenship & ability to obtain CBP Public Trust clearance.

  • Bachelor’s degree + 10+ years hands-on development experience in Java, Python, and Angular.

  • Recent Java development experience with Spring Boot.

  • Proven expertise in security protocols: TLS/SSL, IPsec, OAuth, OpenID Connect, SAML, HTTPS, encryption, and key management.

  • Strong AWS experience: IAM, VPC, CloudTrail, and AWS security features.

  • Proficiency in microservices, Docker, and Kubernetes.

  • Experience integrating security into CI/CD pipelines.

  • Solid knowledge of network security, databases, and hardware protections.

  • Excellent communication skills for technical and non-technical audiences.

  • Proven leadership and mentoring experience.

Preferred

  • Ethical hacking expertise and tools knowledge.

  • Certifications: CEH, CISSP, AWS Certified Security – Specialty.

  • Federal government project experience, including compliance and regulatory environments.

  • Large-scale project contributions involving multiple dev/ops teams.

Why Join Us?
At C. Mack Solutions, you’ll work on high-impact federal projects, collaborate with top-tier professionals, and help shape secure systems that protect critical government operations.

Apply today to lead innovation in secure government technology.


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