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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer Level III Columbia, MD TS/SCI and Full Scope Polygraph - **Company:** SNS One, Inc. - **Location:** Columbia, MD, United States - **Experience:** Expert - **Salary:** $150,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Business Analytics Applications, Systems Engineering, Configuration Management, Information Systems, Linux, Network Interface Controllers, Monitoring of Systems, Linux System Administration, Network Configuration and Change Management, NetApp Applications, Performance Tuning, Red Hat Enterprise Linux, Ansible, Software Requirements Analysis, Systems Architecture, Systems Integration, Virtualization Technology, VMware Virtualization, Enterprise Software Applications, Information Technology, Hardware Infrastructure, Splunk, Vmware - **Published:** June 10, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ff340df49248d66d ## About the Role Do you have experience in Virtualization projects?, * Active TS/SCI with Current Full Scope Polygraph * IAT Level II Certification * Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering, or related discipline + Five (5) years of additional Systems Engineering experience may be substituted for a bachelor's degree * Twenty (20) years of experience as a Systems Engineer supporting programs of similar scope, type, and complexity * Demonstrated experience planning and leading Systems Engineering efforts Required Technical Skills VMware & Virtualization * Extensive VMware administration, virtualization, and infrastructure support experience * Experience managing enterprise virtualized environments Automation & Configuration Management * Hands-on experience with Ansible automation and configuration management * Experience developing and maintaining automated operational processes * Scripting and automation experience Linux Administration * Strong Linux administration experience with emphasis on Red Hat Enterprise Linux (RHEL) * Advanced troubleshooting and performance tuning in Linux environments Enterprise Technologies * Splunk or similar enterprise monitoring and analytics platforms * Systems integration and enterprise infrastructure support * Security compliance and mitigation activities ## Description SNS One is seeking a highly skilled Systems Engineer III to support a mission-critical environment in Columbia, MD. The selected candidate will provide senior-level systems engineering and infrastructure support within a complex enterprise environment. This role requires strong expertise in Linux administration, VMware virtualization, Ansible automation, systems integration, troubleshooting, and infrastructure sustainment. The ideal candidate will possess extensive experience supporting enterprise systems, leading engineering efforts, optimizing infrastructure performance, and ensuring compliance with government security requirements., * Configure, administer, and troubleshoot Linux (Red Hat) and Windows operating systems, including software installation, system maintenance, network configuration, and performance enhancements. * Provide implementation, troubleshooting, and maintenance support for enterprise IT systems and infrastructure. * Manage and maintain client, server, storage, network, and mobile device environments, including day-to-day operations, monitoring, and issue resolution. * Support help desk operations, dispatch systems, and hardware troubleshooting through resolution. * Analyze and resolve complex issues involving server hardware, applications, software integration, and system performance. * Optimize system operations, resource utilization, capacity planning, and overall infrastructure reliability. * Lead and support systems engineering initiatives, including planning, design, implementation, and operational sustainment. * Support and maintain NetApp storage environments. * Ensure compliance with STE/STN requirements and support mitigation activities. * Analyze user requirements, system architectures, and operational concepts to develop system requirements and engineering solutions. * Develop and maintain systems engineering documentation, including requirements, specifications, interface control documents, test plans, and engineering plans. * Participate in system integration, testing, configuration management, and risk management activities. * Interface with government stakeholders, program personnel, and senior leadership regarding technical issues and project execution. * Provide technical leadership and guidance throughout the system lifecycle. ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## Related Articles - [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) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)