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Mid-level Linux Systems Administrator supporting a government program. Responsibilities include administering CentOS/RHEL/Rocky systems, upgrading servers/workstations, data transfer and Customer STE tasks, hardware installation, and troubleshooting networking and TLS. Requires active TS/SCI with favorable polygraph and around five years of relevant systems administration experience. Automation, Ansible, PXE, Proxmox, IDM/LDAP, Windows administration are desired.

Develop full‑stack applications and cloud infrastructure using AWS and Terraform to deliver mission-critical solutions. Collaborate with engineering teams to design, implement, and maintain secure systems, adhering to program requirements and delivery timelines. Must meet government security clearance and citizenship requirements.

Develop and maintain full‑stack software for SIGINT and cyber solutions: build REST services, support customer infrastructure, query MongoDB/Elasticsearch, work in Docker/Compose environments, and move between frontend and backend development to deliver mission-critical capabilities quickly.

Design, develop, and maintain DevOps/tools and services (GitLab, Artifactory, MinIO, GitLab Runner, Jupyter, SPARTANDESK). Automate admin tasks with Bash/Python/PHP, develop Java software, implement IaC with Ansible, manage CI/CD (GitLab CI), containerize with Docker, use Git, produce system documentation, and collaborate with cross-functional teams and mission customers.

Develop and maintain cloud-based, high-performance analytic solutions that process large data volumes. Implement distributed computing and big-data pipelines using Spark, MapReduce, SQL/NoSQL, and Python data libraries (Pandas, NumPy, SciPy). Work on analytics development supporting national security mission; must hold required security clearance.

Develop and deliver software solutions in AWS using managed services to support national security missions. Contribute to engineering efforts on contracts of similar scope, ensuring secure, timely, high-quality implementations while holding required clearances.

Provide daily systems administration including Linux administration, storage management, KVM virtualization, automation with Ansible/Salt, FreeIPA administration, scripting (Bash/Perl/Python), SSP compliance, STE/STN support, and cloud/AWS operations to support mission requirements.

Perform security-focused systems administration of Linux environments, managing containers (Docker), AWS, virtualization, and storage. Maintain IP networking and firewall configurations, support PKI/TLS/cryptography and crypto policies, and ensure SSP compliance and STE/STN support on Linux. Provide application support, troubleshooting, and work with automation tools; comply with DoD security and certification requirements.

Mid-level (requires extensive experience) systems administrator providing daily system administration and DevOps support. Responsibilities include Linux administration, containerization, Proxmox virtualization, configuration management with Ansible/Salt, scripting (Bash/Perl/Python), SSP compliance and STE/STN support, cloud/AWS operations, CIFS and Centrify administration. Supports mixed Linux/Windows environments and may assist Windows DC/Server/Exchange tasks.

Develop, sustain, and troubleshoot a suite of mission-focused software applications. Implement, test, and integrate with COTS/GOTS/FOSS; build containerized services (Docker, Kubernetes, Helm); work with NoSQL/Databases, messaging, CI/CD, and IaC. Support evolving mission needs while holding required security clearance.