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Software Engineer 3 - Linux/Bash/Python/Rust/NoSQL/Docker/Kubernetes/Helm image - Rise Careers
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Software Engineer 3 - Linux/Bash/Python/Rust/NoSQL/Docker/Kubernetes/Helm

Captivation Software builds mission-focused software for national security customers and values engineers who take pride in delivering timely, reliable solutions. The company is seeking a senior software engineer to develop, sustain, and troubleshoot a suite of Linux-based, containerized applications, integrating COTS/GOTS/FOSS components and supporting evolving mission needs.

Skills

  • Proficient with Linux command line and administration tools
  • Bash scripting for automation and system tasks
  • Recent Python 3.x development experience
  • Familiarity with Rust or strong aptitude and willingness to learn it
  • Experience with NoSQL databases (MongoDB)
  • Containerization with Docker
  • Container orchestration with Kubernetes
  • Helm chart creation and management for Kubernetes deployments
  • Knowledge of messaging frameworks such as RabbitMQ
  • Understanding of CI/CD concepts and tools (GitLab CI)
  • IaC familiarity (e.g., Ansible)
  • Experience with Git source control

Responsibilities

  • Develop, sustain, and troubleshoot the project's suite of software applications
  • Implement, test, and integrate software with COTS, GOTS, and FOSS products and libraries
  • Author and maintain automation and deployment artifacts (Docker, Kubernetes, Helm)
  • Build and maintain scripts and tooling for Linux environments (Bash, CLI tools)
  • Work with NoSQL and relational databases to design integration and data flows
  • Participate in CI/CD pipeline development and automation (GitLab CI)
  • Collaborate with cross-functional teams to meet mission requirements and deliverables

Education

  • Master's degree in Computer Science or related discipline plus 5 years of SWE experience
  • OR Bachelor's degree in Computer Science or related discipline plus 7 years of SWE experience
  • OR 9 years of SWE experience in programs of similar scope and complexity
  • Must currently hold Top Secret/SCI with favorable Polygraph and be a U.S. citizen

Benefits

  • Annual salary range: $130,000 - $270,000 (dependent on experience)
  • Up to 20% 401(k) contribution, vested from day one (no matching required)
  • $3,600 HSA contribution
  • 6 weeks paid time off
  • Company-paid medical, dental, vision, life insurance, short-term & long-term disability, AD&D
  • Above-market hourly rates for applicable roles
  • Direct-hire position (no third-party staffing/agency candidates considered)
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

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$130000K
$270000K

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FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$130,000/yr - $270,000/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
March 23, 2026
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