Staff Software Engineer — Government Programs (Classified)

Muon Space, Inc.; Woodbridge (VA); On-site; USD 228,000 - 252,000; Full time

Benefits offered by this job

Equity grant

Medical, dental, and vision insurance

401k retirement plan

Paid vacation; holidays; sick time; p-

Job summary

Muon Space, Inc. in Northern Virginia seeks a Staff Software Engineer for Government Programs to design foundational architecture, develop shared libraries and services, and lead initiatives that empower government missions.

You will drive technical strategy and ship customer-facing features in regulated environments. You will mentor engineers, collaborate across teams, deploy into classified environments, and help shape the long-term direction of Muon’s core systems with a focus on reliability

Qualifications

• BS/MS in Computer Science, Engineering, or related field OR equivalent industry experience.
• 10+ years of software engineering experience, with strong proficiency in Python, C++, or Rust, in production environments.
• Technical depth in distributed systems, backend services, or platform development.
• Demonstrated experience building and operating mission-critical services with uptime, reliability, and performance requirements.
• Knowledge of cloud-native infrastructure (e.g., containers, service orchestration, observability stacks).
• Experience mentoring engineers and leading large technical initiatives.
• Active US security clearance; TS/SCI preferred.

Responsibilities

• Design, build, and evolve high-performance systems that are scalable, resilient, and reliable in regulated environments.
• Deploy, operate, and maintain software platforms and infrastructure into classified environments, including meeting relevant security, compliance, and accreditation requirements.
• Ensure execution across interdependent, multi-month epics and initiatives.
• Own architectural decisions that shape the long-term direction of our core systems.
• Define metrics aligned with critical company goals
• Identify and resolve bottlenecks, performance issues, and systemic risks in production environments.
• Partner with cross-functional teams to translate business and product needs into well-crafted technical solutions.
• Mentor teams and senior engineers, define training plans, define standards for code, testing, design and review.
• Take ownership of systems, tools and processes that have broad company impact.

Skills

Python

C++

Rust

Distributed systems

Backend services

Education

BS/MS in Computer Science, Engineering, or related field

Job description

Muon Space, Inc. in Northern Virginia seeks a Staff Software Engineer for Government Programs to design foundational architecture, develop shared libraries and services, and lead initiatives that empower government missions.

You will drive technical strategy and ship customer-facing features in regulated environments. You will mentor engineers, collaborate across teams, deploy into classified environments, and help shape the long-term direction of Muon’s core systems with a focus on reliability