> Markdown version of [/jobs/ext/2923696-systems-engineer-3-linux-vmware-systems-architecture](https://www.wearedevelopers.com/jobs/ext/2923696-systems-engineer-3-linux-vmware-systems-architecture). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer 3 - Linux/VMware Systems Architecture - **Company:** NineFX, Inc. - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Configuration Management, Computer Networks, Linux, Data-Flow Analysis, Design of User Interfaces, Systems Development Life Cycle, Red Hat Enterprise Linux, Ansible, Service-Oriented Architecture, Software Requirements Analysis, Systems Architecture, Systems Integration, Virtualization Technology, VMware Virtualization, Information Technology, Splunk, DODAF, Multiplatform, Vmware - **Published:** September 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9149825/systems-engineer-3-linuxvmware-systems-architecture ## About the Role Required * Active TS/SCI with Full Scope Polygraph (must already be held) * 20 years of systems engineering experience supporting DoD or Government programs * Bachelor's degree in Systems Engineering, CS, IS, Engineering Management, or related discipline - Five additional years may substitute for degree * Expertise with Red Hat Linux, VMware, Splunk, and Ansible * Experience leading SE planning, documentation, integration, and architectural development * Strong understanding of DoDAF/SOA architectures and system-of-systems integration * Ability to manage system requirements and derived requirements throughout lifecycle * Excellent communication skills with senior executives and government personnel Preferred * Experience developing SOA solutions * Experience with risk management, quantitative performance analysis, and lifecycle trade studies * Familiarity with DoD certification and accreditation processes ## Description NineFX is seeking a Systems Engineer Level 3 to lead senior-level systems engineering, technical planning, and infrastructure operations across highly complex enterprise environments. This role supports full lifecycle engineering-from requirements analysis and architectural development to integration, verification, validation, and accreditation-while also delivering expert-level hands-on support for Red Hat Linux, VMware virtualization, Splunk, and Ansible automation. The engineer drives mission-critical modernization, maintains system integrity across multi-platform infrastructures, and provides authoritative technical direction in high-security DoD/IC environments., Linux, Virtualization, and Infrastructure Engineering * Configure, harden, manage, and troubleshoot Red Hat Linux operating systems * Install and load OS software, validate configurations, and maintain system integrity * Configure and support network components and implement OS-level enhancements to improve reliability and performance * Provide senior operational support for the troubleshooting and maintenance of complex IT systems * Optimize system resource utilization; conduct capacity analysis and planning * Resolve dispatch system issues and hardware problems throughout system lifecycle Virtualization & Automation * Deliver extensive hands-on engineering support for VMware platforms, including configuration, optimization, and lifecycle sustainment * Use Splunk and Ansible to enhance monitoring, orchestration, automation, configuration consistency, and system observability Systems Engineering & Architecture Leadership * Analyze user requirements, CONOPS, and architectures; develop detailed system requirements and specifications * Lead systems engineering activities and ensure alignment with DoDAF and SOA architectural frameworks * Develop technical documentation including SEPs, requirements specifications, ICDs, and design artifacts * Provide technical direction for system development, engineering, interfacing, integration, and testing across hardware and software domains * Evaluate design alternatives and support integration of new technologies into existing mission operations * Conduct feasibility studies, trade analyses, and modeling/simulation Verification, Validation & Lifecycle Management * Define evaluation criteria and verification methods for system and subsystem testing * Prepare or assess integration/test plans supporting DoD and Government accreditation activities * Maintain configuration control and technical baselines throughout system lifecycle * Assess system risks, determine impacts, and assist with mitigation planning Architecture, Interfaces & Operational Views * Implement operational, system, and technical views aligned with DoDAF standards * Capture and maintain interface designs in standardized repositories * Support development of operational concepts, end-to-end flow analysis, and architectural modernization Information Assurance & Security Engineering * Develop derived IA requirements including confidentiality, integrity, non-repudiation, and availability * Support authentication, access control, accountability, and cryptographic solutions * Ensure system security and IA alignment throughout engineering and operational activities ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree)