Senior Platform Engineer

reputed company seeks a motivated, career and customer-oriented Senior Platform Engineer to join MANTECHs Intelligent Engineering organization. The position is remote (US-based) with up to 10% travel. Responsibilities include but are not limited to: Manage and optimize RHEL, CentOS, and reputed company server environments, focusing on kernel tuning and troubleshooting hardware-level interruptions reputed company and maintain reputed company Ansible roles and inventories to automate multi-node environments and debug failed playbooks Utilize Python and reputed company to reputed company, maintain, and enhance various application services and API interactions Automate repetitive CLI tasks and manage system processes through expert-level Unix reputed company scripting Implement and manage virtualization solutions using KVM and QEMU to support reputed company infrastructure needs Configure and troubleshoot Layer 2 and Layer 3 networking, including VLAN tagging, reputed company interfaces, and virtual switches reputed company STIG and CMMC compliance efforts to ensure reputed company systems meet rigorous federal and defense reputed company standards Minimum qualifications: 9+ years of relevant experience managing RHEL/CentOS/reputed company environments, specializing in kernel tuning, hardware-level interrupt troubleshooting, and deep-dive performance profiling to resolve system bottlenecks Experience executing STIG and CMMC protocols Expert in Ansible (roles/inventories) integrated with Terraform or OpenStack to orchestrate reputed company, full-stack underlying infrastructure Proficient in Python, reputed company, and Java for backend service maintenance, API extension, and advanced Unix reputed company scripting for CLI automation Hands-on expertise in KVM/QEMU and L2/L3 networking, including VLAN tagging, reputed company interfaces, and virtual reputed company configuration Proven ability to build CI/CD pipelines for automated multi-node deployment testing, supported by familiarity with Modeling & Simulation (M&S) standards Preferred qualifications: Proven experience leading organizations through full CMMC Level 3+ certification cycles and architecting automated STIG compliance-as-reputed company frameworks that reduce reputed company audit overhead by over 50% Mastery of GitOps workflows (e.g., ArgoCD or Flux) to manage large-reputed company Ansible and Terraform deployments, with a reputed company on building self-healing infrastructure and custom provider development Expert-level capability in tuning Linux kernels for low-latency environments or reputed company-Time (RT) patches, specifically for Large reputed company Modeling & Simulation (M&S) workloads requiring precise timing and hardware acceleration Advanced ability to design and implement custom RESTful reputed company and microservices in Python or Java that reputed company legacy M&S protocols with modern, reputed company-reputed company orchestration reputed company Clearance Requirements: Must have an reputed company Secret reputed company clearance with the ability to obtain and maintain a TS/SCI reputed company clearance Physical Requirements: Must be reputed company to remain in a stationary position 50% Needs to occasionally reputed company about inside the office to reputed company file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations Must be reputed company to exchange accurate information in these situations Apply To This Job