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# Operational Support Engineer

- **Company:** T3W SealingTech, LLC
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $103,000.0 - $157,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Systems Engineering, Linux, Network Troubleshooting, Log Analysis, Software Tools, Virtualization Technology, Scripting, Cyber Warfare
- **Published:** October 12, 2026
- **Apply:** https://www.careerjet.com/job/us2134c5375aaa0c6556da614d2e740754/eaa

## About the Role

* U.S. Citizenship
 * 6+ years of experience or equivalent education in systems, network, or operational engineering roles
 * Strong technical knowledge of Windows, Linux, and virtualized environments
 * Proficiency in network troubleshooting, log analysis, and operational validation techniques.
 * Strong customer service and communication skills
 * Ability to obtain TS/SCI security clearance
 * Ability to travel within the United States

15% of the time * Must be willing to work on site 5 days a week

 * The ability to lift 50+ pounds regularly, * Experience with Cyber Defense software and supporting the military/DoW
 * Power user or higher knowledge of Linux (especially using the CLI)
 * Working knowledge of any programming or scripting language

## Description

Sealing Technologies, a Parsons Company, is looking to hire a Operations Support Engineer/ Systems Engineer who will provide mission focused technical and operational support for the customer environment. This position ensures systems and networks remain fully functional, secure, and optimized for real-time mission execution. This role may perform configuration validation, troubleshooting, and testing to maintain readiness and performance.
Duties & Responsibilities:

 * Provides direct operational engineering support to customers and site operations.
 * Responds to real-time incidents, performs diagnostics, and implements corrective actions to restore services.
 * Coordinates with network, systems, and software engineers to ensure operational alignment and secure configurations.
 * Maintains system and network operational documentation, including logs, runbooks, and after-action reports.
 * Assists in testing new software tools, mission applications, and site service updates in operational environments.
 * Performs tier-level 3 support in operational troubleshooting to isolate and resolve hardware, software, or network issues.
 * Documents incident details, root cause, and resolution steps in accordance with established processes.
 * Supports escalation to specialized engineering teams or vendors as necessary.
 * Maintains detailed records of all operational activities, incidents, and configuration changes.
 * Develops and updates Standard Operating Procedures (SOPs), test guides, and operational turnover documentation.
 * Participates in operational readiness reviews, after-action briefings, and process improvement meetings.
 * Supports deployment, configuration, and connectivity of site services across virtualized and physical nodes.
 * Evaluates and integrates emerging technologies to support customer requirements.