Software Engineer Senior (Secret Clearance Required)

GCI; Chantilly; On-site; EUR 93,000 - 156,000; Full time

Job summary

GCI seeks a Senior Software Engineer with an active Secret clearance to design and develop processing platforms, provide maintenance, and collaborate with engineers to advance capabilities. This on-site role requires US citizenship and willingness to upgrade clearance.

The position requires 5–10 years of software engineering experience and a BS in CS/EE or related fields; familiarity with APIs, Linux, and build tools like Maven/Jenkins is expected.

Qualifications

• Bachelor's degree in CS/EE or related with 5–10 years of software engineering experience.
• Experience building APIs/services using REST, Hadoop, Spark.
• Linux experience preferred (Windows acceptable).

Responsibilities

• Design and develop a processing platform using configuration management tech.
• Provide ongoing maintenance, support and enhancements for existing systems.
• Troubleshoot complex problems and provide customer support for software systems.
• Provide recommendations for continuous improvement.
• Collaborate with other engineers to advance the organization's capabilities.

Skills

JIRA

Redmine

APIs

REST

Hadoop

MapReduce

Spark

Maven

Jenkins

Linux

Windows

Education

Bachelor's Degree in Computer Science, Electrical or Computer Engineering or related

5–10 years of related software engineering experience

Tools

JIRA

Redmine

Maven

Jenkins

Linux

Windows

REST API

Hadoop

MapReduce

Spark

Job description

Software Engineer Senior (Secret Clearance Required)

Job Category: Software Engineering

Requisition Number: SOFTW002249

• Posted : August 10, 2026
• Full-Time
• On-site
• Salary Range : $107,744 USD to $179,940.80 USD

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 hard problems. As a Senior Software Engineer, a typical day will include the following duties:

• Design and develop a processing platform using various configuration management technologies.
• Provide ongoing maintenance, support, and enhancements in existing systems and platforms.
• Troubleshoots complex problems and provides customer support for software systems and application issues.
• Provide recommendations for continuous improvement.
• Work alongside other engineers on the team to sustain and advance our organization’s capabilities.

REQUIRED QUALIFICATIONS

• Hands-on experience working with JIRA, Redmine, or other development environment task manager/trackers.
• Experience building and implementing systems that support both custom and off-the-shelf hardware features.
• Hands-on experience and is familiar with one or more of the following software/tools:
• Experience with building APIs and services using REST, Hadoop, Map Reduce, Spark, etc.
• Experience with build automation technologies like Maven, Jenkins, etc.
• Experience with Linux (preferred) or Windows operating systems.

EDUCATION AND EXPERIENCE

• Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
• 5 to10 years of related software engineering experience.

DESIRED QUALIFICATIONS

• Experience with the design and development of modern, web-based use interface and applications development and a related understanding of key technologies such as APIs that interface with hardware devices.
• Understandingor exposure to FPGA programming.
• Knowledge of wireless technology, digital/analog communications, or RF.
• Experience with Test Automation and Continuous Integration.

Travel

GCI’s systems are distributed regionally throughout the Continental United States (CONUS), and require quarterly updates to software systems, and occasionally hardware, as well. The successful candidate is able to travel at least four times a year to CONUS sites for two (2) to four (4) days to perform the scheduled maintenance.

*A candidate must be a US Citizen and requires an active/current Secret clearance and be willing to upgrade to a TS/SCI with Polygraph clearance.GCI will work with the candidate to transfer and sponsor their clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Qualifications

Skills

Behaviors

:

Motivations

:

Education

Preferred

Bachelor of Science or better in Computer Science or related field.

Experience

Required

5-10 years:

Demonstrated related software engineering experience.

Licenses & Certifications

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.