Jobs at Captivation Software

Responsible for maintaining, administering, and developing Kubernetes clusters in Linux environments. The role supports secure, highly available, multi-tenant platform services through containerization, infrastructure as code, automation, monitoring, and deployment management. Responsibilities include troubleshooting Kubernetes workloads, developing Bash and Python automation, managing Helm deployments with Flux, administering container platforms, supporting release processes, and collaborating in Agile DevOps environments. A current Top Secret/SCI clearance with favorable polygraph and U.S. citizenship are required.

Manage and monitor Linux-based IT infrastructure across servers, networks, and cloud environments. Build and maintain CI/CD pipelines, troubleshoot system issues, optimize deployment strategies, automate administrative tasks with scripting, Ansible, and Terraform, and maintain system security through firewalls, antivirus tools, and access controls. Collaborate with development teams, document configurations and procedures, and support high availability and performance.

Plans, develops, executes, and automates testing for software, middleware, and infrastructure in HPC environments. Validates reliability, scalability, performance, security, and operational readiness; develops test plans, automated frameworks, and validation solutions; tests REST APIs; manages defects and test lifecycles; and supports CI/CD integration using GitLab, containers, Linux, Bash, Python, and Git.

Designs, develops, and maintains tools and services supporting Atlassian Jira and Confluence. Collaborates with developers, system administrators, project managers, and mission customers to deliver integrations and streamline workflows. Develops automation scripts, applies Linux administration and software development practices, builds CI/CD pipelines, uses Ansible and Docker, manages source code with Git, documents system changes, and supports mission applications in Linux environments.

Administer, maintain, monitor, and support a secure, highly available Kubernetes PaaS running on Linux infrastructure. Troubleshoot workloads, networking, storage, ingress, and performance issues; develop Bash and Python scripts; manage Docker or Podman containers; create Helm charts; apply infrastructure-as-code with Ansible; and use Prometheus, Grafana, and Git to maintain platform reliability, scalability, and compliance.

Oversee and monitor live production operations for software applications, ensuring availability, reliability, and performance. Diagnose service disruptions, performance degradation, and operational issues; perform troubleshooting and corrective actions; support system sustainment; and collaborate with development and operations teams. The role uses Linux, Bash, Python, containers, CI/CD, monitoring, Kubernetes, infrastructure as code, databases, messaging frameworks, and version control.

Develop and maintain software solutions supporting U.S. government missions. Responsibilities include Java development, requirements gathering, documentation, workflow support, problem solving, and collaboration using tools such as Confluence and Jira. Desired experience includes AWS, Maven, Git, GitLab, MapReduce, JUnit, Python, Linux, streaming capabilities, and AI. The position requires an active Top Secret/SCI clearance with a favorable polygraph.

Develops and secures access-control and permission-management solutions for critical HPC systems. Responsibilities include Linux security administration, RBAC/ABAC, IAM with Keycloak, identity federation, SSO, Vault integrations, Ansible automation, containerization, CI/CD, and Git-based development. The role requires maintaining compliance with agency security policies and industry standards while supporting mission-critical government systems.

Develop and maintain software supporting U.S. government missions. The role involves daily software engineering responsibilities using Python, PySpark, and AWS services including Lambda, Glue, and DynamoDB. Candidates must hold an active Top Secret/SCI clearance with a favorable polygraph and be U.S. citizens. The position requires seven years of relevant software engineering experience and a bachelor's degree or an approved experience substitution.

Supports large-scale Linux systems through installation, configuration, monitoring, operations, troubleshooting, and performance enhancements. Maintains system security, configures network components, and supports compute, memory, and storage infrastructure. Uses Bash and Python scripting, virtualization, infrastructure-as-code automation, containerization, monitoring tools, and security compliance procedures. The role requires extensive systems administration experience, a technical degree or equivalent experience, Security+ certification, and an active Top Secret/SCI clearance with favorable polygraph.

Develop and test software using C++, Python, and shell scripting; modernize build processes and continuous testing through CI/CD. Work with software-defined radios, servers, and related test infrastructure while supporting mission-critical government programs. The role requires extensive software engineering experience, a bachelor’s degree or equivalent experience, and an active Top Secret/SCI clearance with favorable polygraph.

Develop and maintain system management infrastructure software and services for high-performance computing systems in Linux environments. Automate processes with Bash and Python, manage infrastructure using tools such as NetBox and HashiCorp Vault, deploy containers with Docker or Podman, and orchestrate deployments with Ansible. The role also involves CI/CD, Git-based source control, identity and access management, and collaboration within Agile development environments.

Build, train, fine-tune, evaluate, optimize, and deploy advanced language models for mission-focused applications. Develop NLP and full-stack software, monitor model performance, manage model versions, and collaborate with cross-functional teams. The role requires strong machine learning and software engineering skills, AWS experience, familiarity with containerization, and a current Top Secret/SCI clearance with favorable polygraph.

Develop and maintain software solutions supporting national security missions. The engineer will contribute to daily software development responsibilities, innovate on customer-focused solutions, and work with Python, Kotlin, Java, Terraform, Elasticsearch/OpenSearch, and AWS. The role requires a Top Secret/SCI clearance with a favorable polygraph and U.S. citizenship.

Develop, integrate, implement, and sustain security tooling in Linux environments. Manage credentials, privileged access, secrets, and automation aligned with mission security requirements. Serve as the Linux tools subject matter expert while collaborating with security, infrastructure, and DevOps teams. Responsibilities include Python, Java, Bash, and IaC development; Linux administration; Delinea product support; distributed-system troubleshooting; API and CI/CD integrations; container secret handling; and sustaining large Linux clusters.

Serve as the primary customer-facing operations contact for request triage, technical requirements gathering, and critical mission support. Integrate, install, configure, upgrade, compile, and sustain software in heterogeneous Linux environments. Manage CI/CD, infrastructure automation, containerized services, Kubernetes deployments, monitoring, networking, storage, configuration management, and Big Data processing frameworks. Support COTS, GOTS, and FOSS software while collaborating with mission customers and engineering teams.

Develop and maintain reliable, scalable, and observable data workflows and automation pipelines using Apache Airflow. Build Bash automation, develop software with Python and Java, process big data with Apache Spark, and use containers, Linux tools, Git, and cloud services. Collaborate with data engineers, platform teams, and stakeholders to deliver secure, production-ready workflow orchestration solutions.

Systems Engineer supporting a closed, multi-location system across capabilities and operations. Responsibilities include Linux system administration, Bash/Python automation, STE/STN security compliance, Cisco switch configuration, containerization with Docker or Podman, and technical documentation. Preferred experience includes Windows administration, NetApp storage, VMware virtualization, and Atlassian tools. The role requires collaboration with customer stakeholders and a current Top Secret/SCI clearance with favorable polygraph.

Develop software using AWS managed services and technologies including Hadoop, Accumulo, Terraform, Java, and Python. The engineer will support mission-critical U.S. government programs, innovate solutions, and deliver software within projects of similar scope and complexity. The role requires extensive software engineering experience, a relevant bachelor’s degree or equivalent experience, and an active Top Secret/SCI clearance with a favorable polygraph.

Develop and support software solutions for government mission needs. Responsibilities include assisting with daily software engineering activities and building applications using Grafana, Bash, Python, JavaScript, React, and TypeScript. The role requires working on projects of similar scope and complexity while supporting innovation and timely delivery.