Mission-Critical Sustainment Engineer (Onsite)

sealing-technologies-inc; Maryland; On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Retirement contributions

Continuing education budget

Tuition reimbursement

Flexible schedules

Generous vacation policies

Snacks & drinks

Monthly catered lunches

Company retreats

Job summary

Sealing Technologies is seeking a systems engineer in Annapolis Junction, MD, to provide mission-focused technical support for the customer environment. The role ensures systems remain functional, secure, and optimized for real-time mission execution, with up to 15% travel and on-site work five days a week.

Duties include asset tracking, hardware repairs, software updates, system imaging, configurations, Tier 1–3 troubleshooting, and documentation of incidents.

Qualifications

• U.S. citizenship required.
• 4 years of hardware, software, and network troubleshooting or equivalent.
• Must meet DoD 8570 IAT Level II requirements (can be obtained within 6 months).

Responsibilities

• Maintain accurate hardware/software asset records and lifecycle status.
• Diagnose and repair hardware issues; coordinate replacements to minimize downtime.
• Apply software and security updates to keep systems compliant and secure.
• Create and manage system images for consistent device configuration.
• Configure workstations, servers, and network devices per standards.
• Perform Tier 1–3 troubleshooting of hardware, software, or network issues.
• Document incidents with root cause and resolution steps.
• Support escalation to engineering teams or vendors as needed.
• Conduct operational recovery and continuity actions during mission-critical events.
• Maintain SOPs, test guides, and turnover documentation.

Skills

Windows

Linux

Virtualized environments

Customer service

Communication

TS/SCI clearance

DoD 8570 IAT II

Programming knowledge

A+ Certification

Sec+ Certification

Job description

Sealing Technologies is seeking a systems engineer in Annapolis Junction, MD, to provide mission-focused technical support for the customer environment. The role ensures systems remain functional, secure, and optimized for real-time mission execution, with up to 15% travel and on-site work five days a week.

Duties include asset tracking, hardware repairs, software updates, system imaging, configurations, Tier 1–3 troubleshooting, and documentation of incidents.