Top Linux Jobs in Baltimore, MD

Develop and sustain a high-performance geospatial collaboration and intelligence reporting tool. Responsibilities include implementing mission-driven enhancements, maintaining existing code, troubleshooting application interfaces, testing, integration, and resolving production issues. The developer will work with Java, C/C++, scripting languages, databases, search platforms, REST services, and Linux. Participation in a rotating pager schedule is required for emergency 24/7 support.

Develop and maintain system management infrastructure software and services for high-performance computing systems in Linux environments. Responsibilities include software development in Python and Rust, Bash/Python automation, Ansible-based deployment orchestration, Linux administration, authentication and authorization controls, CI/CD implementation with GitLab CI, and Git-based development within Agile methodologies.

Integrates, tests, evaluates, configures, upgrades, and troubleshoots high-performance computing software stacks and systems. Develops Bash and Python automation, administers Linux environments, supports Slurm scheduling and HPC infrastructure, and diagnoses software, hardware, networking, storage, and system issues. Uses infrastructure-as-code and automation tools including Salt and Ansible while supporting large-scale HPC systems and customers.

Develop and maintain Java software on a small, mission-focused team supporting national security. Responsibilities require building REST-based applications, using Git, Gradle, Guice, Docker, and Linux, with potential work involving ELK, MongoDB, Ansible, Kubernetes, Angular, and TypeScript. The role requires a current Top Secret/SCI clearance with favorable polygraph, U.S. citizenship, a bachelor's degree in a relevant engineering or computer science field, and at least 14 years of software engineering experience.

Develop and maintain reliable, scalable, and observable data workflows and automation pipelines using Apache Airflow. Build DAGs, scheduling, operators, and sensors; automate processes with Bash; develop in Python and Java; process distributed big data with Apache Spark; and use containers, Linux, Git, and cloud technologies. Collaborate with data engineers, platform teams, and stakeholders to deliver secure, production-ready solutions supporting mission-critical operational and analytics use cases.

Develop and maintain Linux-based tools and services supporting products including GitLab, Artifactory, MinIO, Jupyter, and SPARTANDESK. Build Java applications and Bash, Python, and PHP automation scripts; implement infrastructure as code with Ansible; manage CI/CD pipelines, Docker containers, Git workflows, and system documentation. Collaborate with developers, administrators, project managers, and mission customers to deliver integrations and sustain mission applications.

Develop scalable backend Java REST APIs and services in Linux/Unix environments. Responsibilities include backend architecture, distributed systems, API design, debugging, code reviews, automated testing, CI/CD, DevOps, and technical collaboration within Agile teams. The engineer will support complex customer solutions and contribute to mission-focused software development.

Assist with daily systems engineering responsibilities supporting Linux systems and mission operations. Manage containers, cloud environments, storage, virtualization, networking, firewalls, PKI, TLS, cryptography, and crypto policies. Provide application support, troubleshooting, SSP compliance, and STE/STN support. The role requires a bachelor’s degree, six years of systems engineering experience, an IAT Level II certification, and an active Top Secret/SCI clearance with favorable polygraph.

Designs, implements, and optimizes scalable data ingress and egress pathways for analytics workloads. Develops software and automation using Python, Java, Bash, Linux, Apache Airflow, and Apache Spark. Builds and monitors complex workflows, processes large structured and unstructured datasets, performs data wrangling and validation, and supports distributed big-data processing. Requires a current Top Secret/SCI clearance with favorable polygraph and substantial software engineering experience.

Designs, develops, and maintains tools and services supporting Atlassian products including Jira, Confluence, Bitbucket, and Bamboo. Builds integrations, plugins, and workflow enhancements while collaborating with developers, system administrators, project managers, and mission customers. The role requires Linux, scripting, Java/Spring development, web technologies, Docker, OpenSearch, Apache Velocity, documentation, and Atlassian plugin development. Experience with Ansible, infrastructure as code, and cloud technologies is preferred.

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 NetBox, Vault, Keycloak, containers, and Ansible, and support CI/CD with GitLab CI, Jenkins, and Git. The role requires collaboration within Agile environments and supports national security missions.

Develop, test, integrate, sustain, and troubleshoot software applications and future mission capabilities. The engineer will work with Linux, Bash, Python, Rust, NoSQL databases, containers, Kubernetes, Helm, messaging frameworks, CI/CD tools, infrastructure-as-code, and Git while integrating COTS, GOTS, and FOSS technologies. The role requires a current Top Secret/SCI clearance with favorable polygraph and U.S. citizenship.

Develop, sustain, test, integrate, and troubleshoot software applications supporting national security missions. The role requires Linux, Bash, Python, MongoDB, Docker, Kubernetes, CI/CD, Helm, RabbitMQ, Ansible, and Git experience, with PostgreSQL and Atlassian tools preferred. Candidates must hold an active Top Secret/SCI clearance with a favorable polygraph and be U.S. citizens. Education and experience requirements vary by degree, with three to seven years of relevant software engineering experience.

Designs and documents hardware and system installations for racks, cabinets, facilities, and shelters. Coordinates project documentation, specifications, vendor evaluations, testing, hardware acquisitions, installation schedules, site surveys, and network requirements. Requires advanced Linux troubleshooting, automated testing, scripting, collection systems, tiered mission support, Ansible, containers, and a current Top Secret/SCI clearance with favorable polygraph.

Administer, maintain, monitor, and support Kubernetes-based PaaS infrastructure within a secure Linux environment. Responsibilities include cluster administration, workload troubleshooting, performance and reliability optimization, security compliance, automation with Ansible, Helm chart development, scripting with Bash and Python, container management, monitoring with Prometheus and Grafana, and Git-based collaboration.

Develop and support cloud software applications for national security missions. Responsibilities include programming in Java, C, or C++, designing applications for Windows or UNIX/Linux environments, and working with Hadoop, MapReduce, Accumulo, AWS, and Ruby on Rails. The role requires maintaining a Top Secret/SCI clearance with a favorable polygraph and supporting daily engineering responsibilities.

Deploys and maintains distributed applications and complex software supporting agency modernization. Responsibilities include configuring network servers and technology tools, provisioning virtual machines with Terraform, automating deployments with Ansible and GitLab CI/CD, monitoring system performance, troubleshooting outages, and participating in a rotating 24/7 pager schedule. The role requires Linux, AWS, Docker, Docker Swarm, Docker Compose, and Git expertise, with additional experience in Python, NiFi, Elasticsearch, Java/Spring Boot, HAProxy, or MongoDB preferred.

Develop and maintain system management infrastructure software and services for high-performance computing systems in Linux environments. Automate tasks using Bash and Python, apply CI/CD practices, manage Git-based development workflows, and collaborate within Agile methodologies. The role supports mission-critical government systems and requires an active Top Secret/SCI clearance with a favorable polygraph. Preferred experience includes Ansible, containerization, secret management, IAM, datacenter management, observability, and Atlassian tools.

Administer, maintain, and provide operational support for highly available Kubernetes clusters in a secure Linux-based PaaS environment. Responsibilities include cluster administration, workload troubleshooting, scripting, containerization, infrastructure automation, Helm chart development, monitoring, source control, security compliance, scalability, and performance optimization. The role supports mission-critical applications and requires an active Top Secret/SCI clearance with favorable polygraph.

Develop, integrate, implement, and sustain a Linux-based tools suite supporting secure credential management, privileged access, secrets management, and automation. Serve as the Linux tools subject matter expert while collaborating with security, infrastructure, and DevOps teams. Responsibilities include Python, Java, Bash, Linux administration, Delinea product support, IAM/PAM, distributed-system troubleshooting, REST integrations, CI/CD secrets automation, IaC, containerization, and large-cluster sustainment.

Develop and maintain software supporting a national security mission. Responsibilities include Zabbix development, scripting, and software engineering in Python, Java, CSC, and Linux environments. The role requires collaboration on daily program responsibilities and delivering timely, innovative solutions. Candidates must hold an active Top Secret/SCI clearance with a favorable polygraph and have substantial software engineering experience plus a bachelor's degree.

Architect, develop, maintain, and enhance complex full-stack software systems supporting mission-critical environments. Build scalable solutions for large datasets, real-time systems, analytics, and enterprise applications using Java, JavaScript, and modern frameworks. Design reusable components, optimize performance, collaborate with stakeholders, support the full software development lifecycle, and mentor developers while influencing technical direction.

Develop and modernize enterprise Angular and TypeScript applications supporting secure government mission systems. Responsibilities include building reusable UI components, upgrading legacy Angular frameworks, troubleshooting migration and production issues, integrating RESTful APIs, collaborating with backend engineers, supporting testing and Agile ceremonies, and following secure software development practices. The role also contributes to performance, accessibility, usability, documentation, and front-end modernization initiatives.

Develop and maintain Linux kernel components and live-patching infrastructure for Rocky Linux. Responsibilities include kernel design, C programming, debugging memory management and process scheduling issues, device-driver and hardware integration, performance optimization, code review, documentation, and mentoring junior developers. The role requires deep Linux kernel internals expertise, familiarity with x86 and ARM architectures, Git workflows, and at least five years of kernel development experience.

Design, build, monitor, and maintain large-scale Linux infrastructure supporting distributed S3-compatible object storage across multi-cloud environments. Responsibilities include kernel and storage optimization, network and hardware troubleshooting, automation with Chef or Ansible, observability, forecasting capacity, technical leadership, project coordination, mentoring, documentation, and on-call support.