Senior Software Developer

MANTECH seeks a motivated, career and customer-oriented Senior Software Developer to join our team working in Crane, IN. This is a remote position.

Responsibilities include but are not limited to:

• Writing clean, maintainable, and efficient code using TypeScript for Angular web application logic, and JavaScript for developing/maintaining RESTful APIs.

• Implementing unit tests using frameworks like Vitest and conducting code reviews to ensure application quality, performance, and troubleshooting simplicity.

• Supporting front-end development by building responsive web interfaces and components using HTML, CSS, JavaScript, Angular, PrimeNG, and TypeScript.

• Writing and optimizing SQL queries and designing schemas for relational databases such as MySQL to support backend functionality.

• Writing and maintaining comprehensive public-facing application documentation.

• Containerizing applications using Docker and Docker Compose, and managing application images consistently across development, testing, and production environments.

• Building applications in compliance with the Application Security and Development Security Technical Implementation Guide (STIG).

Basic Qualifications:

• High School Diploma or equivalent education

• 7+ years of experience in systems engineering and or software development.

• Must possess a CASP+, CISSP, or equivalent DoD 8570.01 / 8140 IAT Level III certification, or successfully obtain within 30 days of offer acceptance and prior to beginning employment

• Experience and familiarity with CI/CD pipelines such as GitHub Actions or GitLab CI

• Experience using or supporting the use of cloud services (AWS, Azure, or GCP)

Preferred Qualifications:

• Strong working knowledge of RMF, Continuous ATO, POA&Ms, STIGs, ACAS/Nessus, and eMASS

• Experience integrating with security tooling APIs such as STIG Manager, Tenable.sc/Nessus, or similar

• Experience deploying containerized applications to Kubernetes, including configuration, secrets, health checks, scaling, and troubleshooting

• Experience with documentation tooling such as Sphinx/reStructuredText or Docusaurus

Clearance Requirements:

• U.S. citizenship required and an active or current Secret clearance or ability to obtain an Interim Secret prior to starting.

Physical Requirements:

• The person in this position must be able to remain in a stationary position 80% 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. Must be able to exchange accurate information in these situations.