Senior Core Systems Operator/Developer — AWS & CI/CD Expert

Stcnet; Silver Spring (MD); On-site; USD 85,000 - 145,000; Full time

Job summary

STC is a science, sensors, and systems company delivering earth observation capabilities and supporting NASA, NOAA, DoD, and state agencies. We seek a Senior Core System Operator/Developer to support the Consolidated Cumulus Core team, overseeing monitoring, operations, and infrastructure development.

The role blends software development with hands-on operations, building scalable infrastructure, handling support requests, and ensuring system health through CI/CD pipelines and proactive incident

Qualifications

• 6+ years' software engineering experience, including Agile development (Scrum/SAFe) and Atlassian tool suite proficiency.
• Expert-level AWS infrastructure experience, specifically S3 data management (versioning, locking, cross-region architectures), Lambda, Step Functions, and RDS.
• Proven track record in developing and optimizing core libraries, APIs, and complex software systems.
• Commitment to automated testing, CI/CD integration, and rigorous documentation standards.
• Proficiency in root cause analysis for high-level system errors and infrastructure bottlenecks.
• Degree in Computer Science, Engineering, or a related technical field.

Responsibilities

• Design, develop, and improve foundational Cumulus software for scalable operations.
• Develop and optimize Cumulus Core software, including internal libraries and APIs.
• Integrate data backup and preservation technologies (AWS S3 versioning, cross-region strategies).
• Produce and manage comprehensive software documentation for features.
• Coordinate with Systems Architect/Engineer/Cloud-Infrastructure Engineer.
• Execute CI/CD, system and performance testing for updates.

Skills

Software engineering

Agile development

Automated testing

CI/CD

Root cause analysis

Education

Bachelor's degree

Tools

AWS

S3 Versioning

Lambda

RDS

Linux (RHEL)

Job description

STC is a science, sensors, and systems company delivering earth observation capabilities and supporting NASA, NOAA, DoD, and state agencies. We seek a Senior Core System Operator/Developer to support the Consolidated Cumulus Core team, overseeing monitoring, operations, and infrastructure development.

The role blends software development with hands-on operations, building scalable infrastructure, handling support requests, and ensuring system health through CI/CD pipelines and proactive incident