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# Systems Engineer III - Linux/Unix, VMware ESXi, NetApp

- **Company:** NineFX, Inc.
- **Location:** Fort Meade, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Active Directory, HP Servers, Systems Engineering, Configuration Management, Cyber Security, Information Systems, System Configuration, Linux, VMware ESX Servers, Network Interface Controllers, Data-Flow Analysis, McAfee VirusScan, Windows Servers, NetApp Applications, Red Hat Enterprise Linux, Service-Oriented Architecture, Software Engineering, Software Requirements Analysis, Systems Architecture, Systems Integration, Information Technology, Nessus, Hardware Infrastructure, DODAF, Wsus, Vulnerability Analysis
- **Published:** August 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9110434/systems-engineer-iii-linuxunix-vmware-esxi-netapp

## About the Role

Clearance: Active TS/SCI with Full Scope Polygraph (must already be held)
Technical Focus: Red Hat Linux, Windows Server, VMware ESXi, Dell/HP Servers, NetApp Storage, * Active TS/SCI with Full Scope Polygraph (must already be held)

 * 20+ years of Systems Engineering experience supporting complex, multi-discipline government or DoD programs
 * Five years of additional SE experience may substitute for a degree
 * Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Management, or related field
 * IAT Level II (Security+ CE, GSEC, CySA+, CCNA Security, or GICSP)
 * Proven success planning, leading, and executing comprehensive systems engineering efforts
 * Deep expertise with Linux/Unix system engineering in both physical and virtual infrastructures
 * Strong background with Windows Server, VMware ESXi, Dell/HP server hardware, NetApp storage, and enterprise patching
 * Demonstrated experience creating system architectures, requirements documents, interface controls, and engineering plans
 * Extensive experience conducting system integration, testing, verification planning, and lifecycle management
 * Hands-on experience performing risk assessments, trade studies, modeling/simulation, and configuration management

## Description

* Engineer, configure, secure, and maintain RHEL7+, Windows 2012+, and VMware ESXi systems
 * Manage kernels, OS installations, hardware/software configurations, monitoring, and troubleshooting
 * Support Active Directory with Centrify integration; create/assign Linux accounts and groups
 * Install and manage McAfee/Nessus agents; conduct vulnerability scanning and compliance activities (IAVA/CVE)
 * Upgrade and troubleshoot Dell, HP, and custom-built servers; perform memory, swap, and disk expansions
 * Execute storage migrations from legacy NetApp systems to modern solutions
 * Patch and harden systems using Red Hat Satellite, WSUS, and approved security scripts
 * Analyze system requirements, architectures, and CONOPS; develop and refine system specifications
 * Lead design, development, integration, test planning, and engineering documentation
 * Create system architectures (DoDAF, SOA), interface definitions, and design solutions
 * Coordinate CCB actions, design reviews, and multi-discipline issue resolution
 * Define verification methods, evaluation criteria, and support certification/accreditation processes
 * Assess risks, conduct trade studies, run modeling/simulation, and ensure lifecycle system integrity
 * Maintain configuration control, technical baselines, and compliance with national and agency standards
 * Provide technical direction across hardware/software development, interfaces, and end-to-end flow analysis
 * Develop operational concepts, scenarios, and system design alternatives considering performance and cost
 * Ensure accurate interface control documentation and participation in integration activities
 * Support JCIDS documentation and DoD-required systems engineering processes


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