Principal Software Engineer

Support Missile Defense Agency Next Generation Software Office efforts by analyzing and modernizing resilient, secure software development and delivery.

Responsibilities

• Provide technical and engineering analysis to support development of on-demand and cloud-based software for system of system development, integration, and testing.

Requirements

• US Citizenship and active Secret clearance.
• Masters degree in a STEM field with 12+ years working on missile defense-related or other complex, large DoD program/project.
• Design, development, and management of software libraries and cloud-based software architectures and requirements.
• Experience with hardware in the loop (HWIL) and cloud-based testing to support software development and delivery.
• Experience managing and reviewing application programming interfaces (APIs) and interface control documents, including software enabling use across cloud-based and HWIL environments.
• Experience in artificial intelligence development and tooling and agentic operations.
• Ability to work independently, as a team member, or leading teams/tasks while applying engineering rigor to solve engineering/scientific problems.

Technologies

• Docker
• Kubernetes
• AWS
• Azure
• Terraform
• Ansible
• Git

Preferred Qualifications

• Practical experience with software containerization concepts (for example: Docker, Kubernetes, AWS, Azure) and migrating legacy enterprise applications to cloud-native architectures.
• Strong working knowledge of Agile and Lean software development principles within a secure DoD DevSecOps framework.
• Infrastructure as Code (IaC) experience deploying tools such as Terraform and Ansible to establish reproducible, auditable, and secure cloud environments.
• Experience using modern configuration management and version control platforms (for example: Git) to enforce policy-as-code, baseline management, and compliance configurations.
• Top secret clearance or ability to qualify for one.

Location

• Huntsville, AL (onsite)

Benefits

• Vacation: New hires accrue 20 days of PTO and 10 holidays per year.
• Health Plans: Zero deductible health plans; optional zero deductible Blue Cross/Blue Shield plan.
• Flex Schedules
• Education/Training: Up to $10,000 annual reimbursement.
• Stock Ownership: Funded Stock Ownership Plan.
• 401(k): 6% match with immediate vesting.
• Bonus Opportunity: Semi-annual bonus opportunity (July and December).
• Career Mentorship Programs
• ESOP: Company funded Employee Stock Ownership Plan (a separate qualified retirement account).

EEO Statement

• MTSI embraces nine core values, including Employees come first, and is committed to Equal Opportunity and decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or other protected characteristics.
• MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations for applicants and employees with physical and/or mental disabilities.