Principal Cloud Software Engineer

ManTech

Denver, CO Posted 7/4/2025 Full Time

Mantech seeks a motivated and customer-focused Principal Cloud Software Engineer to join our team in Denver, CO or Chantilly, VA. In this role, you will design, develop, and support cloud-based backend applications, ensuring secure and scalable solutions for mission-critical systems.

Responsibilities include but are not limited to:

  • Design, develop, and maintain production backend applications for the ServiceNow platform using Java
  • Deploy and manage services in cloud environments, with an emphasis on AWS
  • Analyze data, code, and system processes to identify and resolve technical issues
  • Identify and implement best-practice solutions aligned with client needs
  • Provide operational support for custom development and third-party integrations
  • Conduct unit testing and troubleshoot code defects
  • Support the creation of technical design documentation and architecture diagrams

Minimum Qualifications:

  • Bachelor’s degree or 4+ additional years of software development experience in lieu of a degree
  • 7+ years of hands-on software development experience
  • Proficiency in backend Java development
  • Experience with at least one scripting language (e.g., Ruby, Python, Perl, Bash, JavaScript)
  • Solid understanding of Linux operating systems (e.g., RHEL, CentOS, Debian)
  • Possess a current DoD Approved 8570 IAT Level II Certification (e.g., Security+ CE)

Preferred Qualifications:

  • Experience with Infrastructure as Code (IaC) tools such as Terraform or CloudFormation
  • Familiarity with microservices architecture and orchestration tools such as Kubernetes or ECS
  • Experience with cryptographic protocols and PKI, including SSL and TLS certificate management
  • Knowledge of secret and credential management tools like HashiCorp Vault
  • Understanding of Access Control Policies and Role-Based Access Control (RBAC)
  • Experience working with the ServiceNow platform

Clearance Requirements:

  • Must have a current/active TS/SCI with Polygraph

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
JOB LOCATION:
Denver, CO 80202

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