Software Engineer III

Sierra Space

Software Engineer III designing, developing, and testing software applications for space systems at Sierra Space. Focused on collaboration and innovation with mentoring responsibilities.

Posted 5/10/2026full-timeCentennial • Colorado • 🇺🇸 United StatesMid-LevelSenior💰 $129,776 - $178,441 per yearWebsite

About the role

Key responsibilities & impact

designing, developing, and testing software applications for space systems and technologies
writing clean, maintainable code
collaborating with team members to understand project requirements
contributing to the development of innovative software solutions
mentoring and guiding other engineers
troubleshooting and resolving software-related issues in a timely manner
documenting software configurations, processes, and procedures for future reference

Requirements

What you’ll need

Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +3 yrs experience)
Typically, 5+ years of related experience
Expertise in one to multiple programming languages and advanced understanding of software development principles
Ability to design and architect complex software systems
Experience with different software development methodologies such as Agile and Scrum/Kanban
Strong problem-solving skills
Ability to mentor and guide other engineers
The ability to obtain and maintain a U.S. Security Clearance is required

Benefits

Comp & perks

medical, dental, and vision plans
401(k) with 150% match up to 6%
life insurance
3 weeks paid time off
professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

programming languagessoftware development principlessoftware designsoftware architectureAgile methodologyScrumKanbantroubleshootingsoftware testingsoftware documentation

Soft Skills

collaborationmentoringproblem-solvingguidancecommunication

Certifications

bachelor's degreeU.S. Security Clearance