Systems Engineer SME

Job Category: IT Infrastructure and Operations

Requisition Number: SYSTE002353

• Posted : October 28, 2026
• Full-Time
• On-site
• Salary Range : $164,382.40 USD to $274,518.40 USD

Showing 1 location

Chantilly

Découvrez exactement les compétences, l'expérience et les qualifications dont vous aurez besoin pour réussir dans ce rôle avant de postuler ci-dessous.
Chantilly, VA, USA

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a SME Systems Engineer, a typical day will include the following duties:

• Deliver tradecraft, technical, and network solutions to secure, maintain, and upgrade the Customer's online public portals and specialized network.
• Utilize cutting edge internet technologies and services to protect the Customer's public portals and portal visitors.
• Research, develop, maintain, and document design and implementation associated with the Customer's online public contact portal to include the open.internet and dark web portals.
• Utilize cutting edge internet technologies and services to protect the Customer's specialized network.
• Research, develop, maintain, and document design and implementation associated with the Customer's specialized network.
• Work with internal and external teams to develop, document, and implement portal and Customer network requirements for security and operations.
• Required to communicate and collaborate across organizational boundaries, to include other candidate teams.
• Required to work with Customer staff and candidate personnel, as well as external stakeholders.
• Use existing systems rather than building single-purpose solutions; any deviations require prior approval via the Customer-approved waiver process.
• Fully describe and document mission solution architecture and interfaces, with any deviation requiring prior approval via the Customer-approved waiver process.
• Ensure each new application or system enhancement meets agreed upon performance SLAs for system up-time, concurrent users, and system recovery.
• Monitor each application to provide status awareness and include a resolution plan for the application in the event of its failure.
• Comply with the Customer's Risk Management (i.e., cyber security) Framework to ensure that the program addresses and mitigates vulnerabilities and risks identified throughout the lifecycle of the project.
• Track work requirements and action items to meet program deadlines.
• Support tasks requiring collecting, compiling, evaluating, and publishing information and statistical data included in documents, records, forms, reports, plans, policies, and regulations.
• Interface with stakeholders to ensure user stories are recorded.
• Deliver development requirements as requested by the Customer.
• Use a Customer-approved tracking system for issues and problems.
• Provide applications development and programming support to develop software to implement system-level requirements.
• Implement changes to current applications or networks based on changing partner requirements, legislation, and policy.
• Maintain and enhance current system software for the portals.
• Implement new functionality to system software for the portals.
• Conduct functionality testing for both new and existing applications and networks.
• Provide "on-call" services.
• Report within two hours to the Customer's site to address network issues, and the Candidate Team shall resolve the system outage within a three-hour time period. The repair time may exceed three hours if fault is with Customer maintained infrastructure.

• Demonstrated experience in network engineering and a deep understanding of network protocols and technologies.
• Demonstrated experience managing online public portals or similar-type technology.
• Demonstrated experience with network hardware, software systems, internet networking, and encryption protocols.
• Demonstrated experience with utilizing Content Delivery Networks and a significant understanding of how they interact with public services and websites.
• Demonstrated experience using Tor and configuring and maintaining Tor Onion Services.