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# System Engineer - Senior

- **Company:** Full Visibility LLC
- **Location:** Winchester, VA, United States
- **Experience:** Expert
- **Salary:** $115,000.0 - $165,000.0
- **Contract:** Permanent contract
- **Skills:** Network Operating System (NOS), Communications Protocols, Data Transmissions, Networking Hardware, Network Architecture, Network Service, Network Administration, TCP/IP, Virtualization Technology
- **Published:** July 25, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9056966/system-engineer-senior

## About the Role

* Active TS/SCI Eligibility
 * Minimum of eight (8) years of System Engineer experience.
 * Configure, install, maintain, and troubleshoot network hardware, operating systems, and connected devices.
 * Monitor system and network performance and resolve complex technical issues.
 * Support network infrastructure design, deployment, integration, and administration.
 * Manage virtualization, storage, backups, patching, testing, and system accreditation activities.
 * Develop technical documentation and provide technical support and training.
 * Current SAFe Software Engineer (ASE) Certification.

## Description

Full Visibility is seeking a System Engineer Senior-level located in Winchester, VA and is a Hybrid Role. Candidate must possess an active Top Secret/SCI Eligibility Clearance. Individuals selected for this position will be subject to Counterintelligence (CI) Polygraph examinations based on their assignment after their start date and must be able to obtain and maintain any required CI Polygraph eligibility throughout the duration of their employment.

The System Engineer Senior will supervise, coordinate and/or perform additions and changes to network hardware and operating systems, and attached devices, including investigation, analysis, recommendation, configuration, installation, and testing of new network hardware and software. Provide direct support in the day-to-day operations on network hardware and operating systems including the evaluation of system utilization, monitoring response time, and primary support for detection and correction of operational problems. Troubleshoot at the physical level of the network, working with network measurement hardware and software, as well as physical checking and testing of hardware devices at the logical level working with communication protocols. Participate in planning design, technical review and implementation for new network infrastructure hardware and network operating systems for voice and data communication networks. Perform systems management and integration functions. Exhibiting
proficiency with virtualization technologies and network administration. Maintain network infrastructure standards including network communication protocols such as TCP/IP. Provide technical consultation, training, and support to IT staff as designated by the government. Diagnose and resolve complex communication problems. Perform systems management and integration functions. Responsible for design, deployment, evaluating, testing, certification, patching, addressing interoperability issues, not only of the base storage & backup system, but for all features, components, and application dependencies. Ensures systems are current with approved patches and assist with certification and system accreditation tasks, compose SOPs, and Quick Reference guides for users.


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