Onsite Systems & Operations Engineer — TS/SCI Eligible

Sealing Technologies, a Parsons Company; Maryland; On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Retirement contributions

Education budgets

Tuition reimbursement

Snacks & drinks

Monthly catered lunches

Company retreats

Flexible work arrangements

Pet friendly offices

Quarterly merit bonuses

Job summary

Sealing Technologies, a Parsons Company, is seeking an Operations Support Engineer/ Systems Engineer to provide mission-focused technical and operational support for the customer environment in Annapolis Junction, MD.

You will ensure systems and networks remain fully functional, secure, and optimized for real-time mission execution, involving incident diagnostics, on-site work, and cross-functional collaboration.

Qualifications

• U.S. Citizenship is required.
• Active TS/SCI clearance or ability to obtain one.
• 4+ years of experience in systems, network, or operational engineering roles.
• Strong 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 travel within the United States ≤ 15% of the time.
• Must be willing to work on site five days a week.
• Ability to lift 50+ pounds regularly.

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 for secure configurations.
• Maintains system and network documentation, logs, runbooks, and after-action reports.
• Assists in testing new software tools, mission applications, and site service updates in operational environments.
• Performs tier-3 support in operational troubleshooting to isolate and resolve hardware, software, or network issues.
• Documents incident details, root cause, and resolution steps per established processes.
• Supports escalation to specialized engineering teams or vendors as necessary.
• Maintains detailed records of operational activities, incidents, and configuration changes.
• Develops and updates Standard Operating Procedures (SOPs), test guides, and operational turnover documentation.
• Participates in 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.

Skills

Windows

Linux

Virtualized environments

Network troubleshooting

Log analysis

Customer service

Communication

Tools

Linux CLI

Cyber Defense software

Job description

Sealing Technologies, a Parsons Company, is seeking an Operations Support Engineer/ Systems Engineer to provide mission-focused technical and operational support for the customer environment in Annapolis Junction, MD.

You will ensure systems and networks remain fully functional, secure, and optimized for real-time mission execution, involving incident diagnostics, on-site work, and cross-functional collaboration.