Principal Software Engineer – Architecture, Design Development

Sierra Nevada Corporation

. Provide technical leadership and strategic direction for advanced software systems for aerospace applications .

Posted 10/23/2026full-timeUnited StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in software development leadership, particularly in aerospace applications, with a strong focus on C++, Java, or Python. Proven ability to mentor teams, drive continuous improvement, and ensure compliance with regulatory standards.

Highest-signal resume keywords

Expert Proficiency In C++Expert Proficiency In JavaExpert Proficiency In PythonExtensive Leadership Experience In Software DevelopmentActive Secret Clearance

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Software DevelopmentSoftware OptimizationSoftware Requirements DefinitionCode ReviewTechnical DocumentationEngineering PrinciplesSoftware ArchitectureLifecycle ManagementData StructuresAI And Machine Learning

Soft Skills

MentoringCollaborationStrategic DirectionContinuous ImprovementCross-Functional Team Leadership

Tools & Technologies

Cloud ComputingRTOSEmbedded SystemsAgile/ScrumWaterfallSpiralOMS Messaging ProtocolUCI StandardsMission System ArchitecturesSystems Engineering

Certifications & Qualifications

Bachelor's Degree In Computer ScienceMaster's Degree PreferredTop Secret ClearanceEligibility For Top Secret With SCI

Industry Keywords

Aerospace ApplicationsDefenseSoftware ToolsEngineering PracticesMulti-Disciplinary Teams

Tech Stack

Tools & technologies

CloudJavaPythonRTOSC++

About the role

Key responsibilities & impact

Provide technical leadership and strategic direction for advanced software systems for aerospace applications
Lead major software development and optimization projects
Collaborate with cross-functional teams to meet performance, quality, and regulatory standards
Create and maintain software documentation, including design specifications and user manuals
Mentor and guide engineering teams on technical best practices and innovation
Conduct high-level code reviews and provide strategic feedback
Define and implement software requirements and specifications with stakeholders
Drive continuous improvement initiatives to enhance software performance and reliability
Represent software engineering in strategic meetings and decision-making processes

Requirements

What you’ll need

Bachelor's degree in Computer Science, Software Engineering, or related field required; Master's degree preferred
14+ years of experience in software development
Higher level relevant degree may substitute for experience
Expert proficiency in C++, Java, or Python
Extensive leadership experience in software development
Demonstrated knowledge of engineering principles and practices
Experience working in multi-disciplinary teams
Expertise in software and equipment architecture/design development, technical monitoring, and lifecycle management
Active Secret with eligibility to obtain Top Secret / Top Secret with SCI eligibility U.S. Security Clearance required
Current/active Top Secret with SCI eligibility U.S. Security Clearance required
U.S. Citizenship required
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
Preferred: expertise in AI, machine learning, cloud computing, RTOS, embedded systems, aerospace and defense, software tools, Agile/Scrum, Waterfall, Spiral, data structures, OMS messaging protocol, UCI standards, mission system architectures, systems engineering, and air vehicle subsystems

Benefits

Comp & perks

Annual incentive pay based upon performance
Medical, dental, and vision plans
401(k) with 150% match up to 6%
Life insurance
3 weeks paid time off
Tuition reimbursement