Top Senior 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.

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 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.

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.

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.

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.

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 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 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.

Designs and maintains secure Linux OS components for hardened container images and cloud-native workloads. Responsibilities include remediating CVEs, patching and rebuilding packages across Linux distributions, hardening container images, managing SBOMs and software provenance, and automating reproducible OS build and CI/CD pipelines. The role requires deep Linux systems, package management, dependency, container runtime, and supply chain security expertise, along with cross-functional collaboration to deliver stable, secure OS baselines.

Provision, administer, secure, patch, and configure RHEL and Ubuntu servers across connected and disconnected networks. Develop Ansible automation, manage Kubernetes clusters and workloads, configure networking, storage, and firewalls, and deploy monitoring systems. Investigate service disruptions, conduct root cause analysis, produce after-action reports, support hardware and software deployments, and maintain secure environments aligned with DISA STIGs and NIST controls.

Provision, administer, secure, patch, and configure RHEL and Ubuntu servers across connected and disconnected environments. Develop and maintain Ansible automation, manage Kubernetes clusters, configure networking, storage, and firewalls, and deploy monitoring tools. Investigate service disruptions, produce root-cause and after-action reports, support hardware and software deployments, and maintain compliance with DISA STIGs and NIST controls.

Analyze Linux system performance, design and implement performance enhancements, productize new servers and hardware, extend performance metrics and visualizations, and build diagnostic tooling. The role requires advanced C programming, Linux kernel expertise, virtualization knowledge, hardware enablement and debugging experience, performance analysis skills, and understanding of computer architecture, concurrency, algorithms, and hardware interconnects.

Designs, implements, administers, and supports critical Linux infrastructure and enterprise systems. Diagnoses system issues, develops remediation plans, supports application infrastructure, and contributes to compliance activities. Builds automation, deployment pipelines, and infrastructure-as-code solutions using Linux, cloud, Kubernetes, GitOps, and configuration-management tools. Partners with engineering, security, and operations teams to improve reliability, scalability, security, and deployment efficiency while mentoring junior engineers.

Seeking a Software Engineer to design and implement Java-based software capabilities. Requires strong OOP knowledge, experience with RESTful services, and the ability to work both independently and in teams.

Designs and maintains system architectures across applications, infrastructure, and platforms. Provides technical leadership, translates requirements into scalable and secure solutions, optimizes reliability and performance, supports system integration, and collaborates with development, DevOps, security, and business stakeholders. Maintains technical documentation and participates in Agile delivery and continuous improvement. Preferred experience includes federal contracts, migrations, Ansible, Linux, Red Hat, cloud platforms, DevOps, CI/CD, and secure system design.

Support an IC-wide mission environment as a senior Linux Systems Administrator/Engineer. Require 10+ years Linux (CentOS/RHEL) experience, JBoss/Wildfly administration, VMware VM creation/operation, and Security+ certification. Desired skills include Red Hat Ansible, storage, networking, security compliance, authentication, shell/Python scripting, physical server administration, Oracle DB/DBA familiarity, JSON, and possession of/eligibility for high-level clearances.

This role involves supporting Linux-based systems, managing VMware VMs, ensuring security compliance, and providing 24x7 operational support.

The DevOps Engineer will implement infrastructure, automate deployment processes, manage Kubernetes containers, and ensure service reliability, scalability, and continuous improvement.

The Cloud Platform Engineer will develop software components, integrate open-source code, and manage virtual infrastructure in AWS, requiring strong systems integration skills and cloud technology experience.

Looking for a Cloud Platform Engineer to develop custom software, manage infrastructure in AWS, and solve complex problems autonomously in a hybrid environment.