Onsite Operations & Systems Engineer (Mission-Critical)

Sealing Technologies, a Parsons Company; Corridor North (MD); On-site; USD 90,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Retirement contributions

Continuing education budgets

Tuition reimbursement

Flexible schedules

Vacation policy

Snacks & lunches

Company retreats

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. This role ensures systems and networks remain fully functional, secure, and optimized for real-time mission execution.

You will perform configuration validation, troubleshooting, and testing, coordinating with network, systems, and software engineers to maintain readiness and performance.

Qualifications

• 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.
• Able 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 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.

Skills

Windows OS

Linux OS

Virtualized environments

Network troubleshooting

Communication skills

TS/SCI clearance

On-site work

Physical lifting

Education

Bachelor's degree in related field

Tools

Cyber Defense software

Linux CLI

Programming or scripting

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. This role ensures systems and networks remain fully functional, secure, and optimized for real-time mission execution.

You will perform configuration validation, troubleshooting, and testing, coordinating with network, systems, and software engineers to maintain readiness and performance.