Senior Mission Software Engineer – Secret Clearance

globalhr; Cedar Rapids (IA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

3 weeks vacation for new hires

401(k) with employer matching

Tuition reimbursement

Job summary

Collins Aerospace, an RTX company, seeks a Senior Software Engineer with a focus on Mission Engineering to lead software solutions for mission-critical systems in aerospace and defense. Onsite role in Cedar Rapids, IA or Sterling, VA, five days a week, working with cross‑disciplinary teams.

You will design, develop, and optimize software for mission planning, simulation, and verification, leveraging C++, Python, and MBSE approaches, while following cybersecurity and RTX software processes.

Qualifications

• Degree in Science/Engineering/Mathematics or related field with experience.
• Active SECRET clearance or ability to obtain one.
• Proficiency in Python/C++ or similar languages.
• Experience with modeling and simulation tools (Simulink, STK).
• Familiarity with Agile/DevSecOps/CI‑CD and tools like Git/Gitlab/JIRA.

Responsibilities

• Design, develop, and implement mission-critical software systems and tools.
• Model, simulate, and evaluate mission scenarios.
• Define software requirements and architecture for mission systems.
• Optimize algorithms for planning, decision support, and performance analysis.
• Develop and maintain modeling/simulation tools (AFSIM, RCADE).
• Lead software integration and testing to ensure reliability.

Skills

Python

C++

Simulink

STK

Agile

DevSecOps

CI/CD

Git

JIRA

Education

Bachelor's degree in STEM

Advanced degree (MS/PhD) in Software/CS

Tools

MBSE

RCADE

AFSIM

Job description

Collins Aerospace, an RTX company, seeks a Senior Software Engineer with a focus on Mission Engineering to lead software solutions for mission-critical systems in aerospace and defense. Onsite role in Cedar Rapids, IA or Sterling, VA, five days a week, working with cross‑disciplinary teams.

You will design, develop, and optimize software for mission planning, simulation, and verification, leveraging C++, Python, and MBSE approaches, while following cybersecurity and RTX software processes.