Sr. Software Engineer

Concept Plus is a mission-focused technology solutions provider that transforms IT concepts into impactful solutions for federal agencies. The Senior Software Systems Engineer will support CI/CD DevSecOps delivery for client IT systems, providing technical leadership across system design, integration, and delivery.

Responsibilities:

• Lead system design, architecture, and integration across multi-tier, distributed applications
• Ensure solutions align with DevSecOps CI/CD pipelines, enabling continuous integration, testing, and deployment
• Collaborate with development, DevSecOps, Cloud Engineering, QA, and security teams to ensure end-to-end system performance and reliability
• Define and maintain system interfaces, data flows, and integration patterns
• Support requirements analysis and decomposition, ensuring technical feasibility and alignment with system architecture
• Guide development teams on best practices for scalability, performance, and security
• Oversee integration of applications across cloud and on-premise environments
• Identify and mitigate technical risks, system dependencies, and performance bottlenecks
• Ensure alignment with client standards and compliance requirements across classified and unclassified environments
• Contribute to technical documentation, system diagrams, and architecture artifacts
• Develop and maintain automated CI/CD pipelines (GitLab CI, Jenkins, Azure DevOps) to build, test, and deploy applications
• Embed security tools for code analysis (SonarQube) and container scanning (Docker/Kubernetes) within pipelines to ensure compliance
• Utilize tools like Terraform, Ansible, or Bicep to provision and manage cloud/hybrid infrastructures
• Implement RMF (Risk Management Framework), STIGs, and Zero Trust principles to meet Department of Defense Cybersecurity standards
• Collaborate on architectural design to ensure systems are deployable and scalable, often supporting DoD Programs
• Guide junior engineers in DevSecOps practices, automation techniques, and secure coding principles

Requirements:

• Secret – Fully Cleared Only, must confirm clearance is active
• DoD 8140 intermediate certification or DoD 8570 IAM Level II certifications or higher
• US Citizens Only
• Bachelor's degree in IT, Engineering, or related field (or equivalent experience)
• 8-10 years experience in software systems engineering, system architecture, or technical leadership roles
• Strong understanding of CI/CD pipelines and DevSecOps practices
• Experience designing and integrating enterprise or mission-critical systems
• Proficiency with Java or similar object-oriented technologies
• Experience working with cloud-based environments (e.g., AWS or similar platforms)
• Strong understanding of API design, system integration, and distributed architectures
• Ability to work across multiple teams and technical domains
• Experience working with Agile development teams of 20+ FTEs and be familiar with Agile methodologies
• Experience supporting DoD or Air Force systems
• Familiarity with Cloud One environments and secure DevSecOps practices
• Experience with Oracle or enterprise data platforms
• Knowledge of microservices architectures and containerization
• Experience operating across classified and unclassified (DISA/cloud) environments