Software Engineer III

Sierra Nevada Corporation; Lone Tree, Northern (CO, KY); On-site; USD 108,000 - 149,000; Full time

Benefits offered by this job

Medical, dental, vision plans

401(k) with 150% match up to 6%

Life insurance

3 weeks paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation (SNC) is seeking a Software Engineer III to lead design, development, and optimization of complex software systems for aerospace applications. You will collaborate with cross-functional teams to ensure software meets stringent performance and quality standards.

The role focuses on UI component libraries, internal developer tooling, and platform integrations, with a hybrid work model in Colorado and some travel.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 6+ years of experience in software development.
• Advanced proficiency in programming languages such as C++, Java, or Python.
• Proficiency in TypeScript/JavaScript (with React preferred) and at least one backend language (Python, Go, Java).
• Experience working in multi-disciplinary teams.
• Higher level relevant degree may substitute for experience.

Responsibilities

• Design, build, and maintain the enterprise UI component library for use across SNC web applications
• Operate the private package registry (npm, PyPI, Maven, etc.) that secures and distributes internal artifacts
• Create and maintain application templates and scaffolding tools that enable teams to bootstrap production-ready services in minutes
• Build and continuously improve the Internal Developer Portal (IDP) — a single pane of glass for service catalog, docs, templates, and platform tooling
• Develop and maintain shared SDKs and platform libraries that standardize how teams interact withSNC infrastructure
• Write and maintain developer documentation, guides, and enablement content
• Collect developer feedback and measure developer productivity metrics (DORA, SPACE) to drive improvements
• Partner with Platform Engineering and AI teams to surface platform capabilities through the IDP

Skills

C++

Java

Python

TypeScript/JavaScript

React

Go

Education

Bachelor's degree in Computer Science, Software Engineering, or related field

Tools

Nexus

Artifactory

GitHub Packages

Job description

Do you enjoy developing new products and services? Our Software Engineers work in an agile, collective environment.

As a Software Engineer III, you will lead the design, development, and optimization of complex software systems for aerospace applications. You will collaborate with cross-functional teams to ensure software meets stringent performance and quality standards.

As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Responsibilities

• Design, build, and maintain the enterprise UI component library for use across SNC web applications
• Operate the private package registry (npm, PyPI, Maven, etc.) that secures and distributes internal artifacts
• Create and maintain application templates and scaffolding tools that enable teams to bootstrap production-ready services in minutes
• Build and continuously improve the Internal Developer Portal (IDP) — a single pane of glass for service catalog, docs, templates, and platform tooling
• Develop and maintain shared SDKs and platform libraries that standardize how teams interact withSNC infrastructure
• Write and maintain developer documentation, guides, and enablement content
• Collect developer feedback and measure developer productivity metrics (DORA, SPACE) to drive improvements
• Partner with Platform Engineering and AI teams to surface platform capabilities through the IDP

Qualifications You Must Have

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 6+ years of experience in software development.
• Higher level relevant degree may substitute for experience.
• Advanced proficiency in programming languages such as C++, Java, or Python.
• Practical knowledge of engineering principles and practices.
• Experience working in multi-disciplinary teams.
• Proficiency in TypeScript/JavaScript (with React preferred) and at least one backend language (Python, Go, Java).

Qualifications We Prefer

• Experience building component libraries, design systems, or internal developer tooling
• Familiarity with developer portal frameworks (Backstage, Port, Cortex, or equivalent)
• Experience with package registry management (Nexus, Artifactory, GitHub Packages, or equivalent)

Essential Functions

• Ability to work on a computer for extended periods.
• Hand/finger dexterity for coding and testing.
• Ability to work in a hybrid environment with occasional travel.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

Estimated Starting Salary Range: $108,496.89 - $149,183.22. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE

To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce. Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs.

If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom.

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

SNC is a trusted global leader in aerospace and national security. Our innovative solutions enable connected protection through command, control and communications systems, as well as ISR, cyber, electromagnetic spectrum management, and other high capabilities for systems across all domains - sea, land, air, space and cyber.

As a longstanding leader in defense technology, SNC is the optimum intersection of commercial, defense and non-traditional contractors. We are one of the only privately owned mid-tier A&D contractors and we pride ourselves on our ability to invest early and often to ensure mission success on or ahead of schedule. It’s part of our mission to always stay one step ahead; working on solutions today to solve the problems of tomorrow. Founded in 1963, SNC is owned by Chairwoman Eren Ozmen and CEO Fatih Ozmen.