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.