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Salary
≈ $141k – $258k per year (Estimated)
Location
In office (Arlington)
Seniority
Senior · 6+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 6, 2025. Sedaro scores C on the Alion truth index.

Overview
Company
Impact
Profile match
Integrate Simulate & Validate Missions at Scale.. Sedaro aligns engineers, operators, and leaders around a unified view of mission performance across design, acquisition, testing and operations.

Overview

Sedarois hiring a Senior Software Engineer to strengthen the performance and reliability of our distributed

multi-physics simulation platform.In this role, you will contribute to the development of our simulation runtimes and leveragethe cloud for cutting-edgeperformance and scale.

  • Team: Simulator, reporting tothe Team Lead
  • Location: In person in Arlington, VAorBoston, MA
  • U.S. Citizen or permanent resident status required

Who We Are

Our simulation platform enables digital mission engineering through distributed, scalable, faster than real-time analyses across hundreds of interacting systems. We achieve this by ingesting simulation functions, models, and data, and generating high-performance code and architectures specialized for the given scenario. We maintainruntimes for both massively parallelexecution in the cloud as well as execution in resource-constrained environments such as autonomous edge devices. Our technology is built with Rust, Kubernetes, gRPC, andPython. Join us as an early employee and transform how teams collaboratively engineer the next generation of Aerospace & Defense systems.

Who You Are

  • Youareenergized by novel challenges and unsolved problems
  • You are meticulous in your designs to ensure reliability and extensibility
  • Youare motivatedto deliver optimized, high-performance systems
  • You explore existing solutions to problems to choose the right tool for the job
  • You enjoy a fast-moving work environment and drive progress on decisions and projects

What You’llDo

  • Enable increasingly massive distributed simulations
  • Lead development of features for both our cloud and edgesimulation runtimes
  • Optimizeand track performance metrics of our simulations
  • Maximize parallelism and caching in ourbuildsystems and services
  • Develop QAframeworks and maintainhigh reliability standards
  • Provide feedback and guidance on code reviews and design reviews
  • Sustainour internal and external documentation
  • Leadteam-wide discussionsand research as we continue to innovate on the semantics and implementation of our simulation technology

Benefits

  • Equity
  • Unlimited PTO
  • 401(k) with 4% match
  • 100% premium payment for medical insurance
  • Parental Leave
  • Flexible work schedule with core hours
  • Company provided lunches 3 days a week
  • Industry-leading career development opportunities

Requirements

  • Bachelor’s degree in computer science or equivalent experience
  • 6+years of professional experience in software engineering
  • Experience with Rust or comparable compiled languages
  • Experience profiling and optimizingapplication performance
  • Comfort with containerization and cloud technologies
  • Excellent technical writing skills

Additionaldesirable experience:

  • Simulation software, scientific computing
  • HPC, embedded software, game engines, compilers
  • Distributed systems, backend development
  • Unique non-software technology perspectivesare welcome
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