Senior Systems Engineer SME (TS/SCI) – Cloud, Windows, Linux

GCI, Inc.; McLean, Northern (VA, KY); Hybrid; USD 164,000 - 275,000; Full time

Job summary

GCI, Inc. seeks a Systems Engineer SME (TS/SCI with Poly Required) to support high-security IT infrastructure onsite in McLean, VA. The role requires strong expertise across Windows, Linux, UNIX, and cloud environments, with the ability to manage multi-system integrations and security constraints.

The candidate will work with system developers to elicit requirements, plan projects, and troubleshoot complex issues. U.S. citizenship and active TS/SCI clearance are required.

Qualifications

• Experience with server technologies, MVS, Linux, UNIX, and Windows OS.
• Experience with Enterprise IT and security applications.
• Ability to work in multi-system environments and with network requirements.
• Strong written and verbal communication skills.
• US Citizenship and TS/SCI with Poly clearance.

Responsibilities

• Provide SME systems engineering across Windows, Linux, UNIX environments.
• Set up and manage servers in Commercial Cloud Enterprise (C2E).
• Collaborate with developers to elicit requirements and plan projects.
• Analyze and resolve complex technical problems independently.

Skills

Windows Server

MVS storage

Linux

UNIX

Windows OS

Cloud (C2E)

Enterprise IT

Networking impact

Security constraints

Project management

Communication

Independent work

Team collaboration

Requirements tracing

Tech research

Education

AS in Computer Science

BS in Engineering

Job description

GCI, Inc. seeks a Systems Engineer SME (TS/SCI with Poly Required) to support high-security IT infrastructure onsite in McLean, VA. The role requires strong expertise across Windows, Linux, UNIX, and cloud environments, with the ability to manage multi-system integrations and security constraints.

The candidate will work with system developers to elicit requirements, plan projects, and troubleshoot complex issues. U.S. citizenship and active TS/SCI clearance are required.