Principal 5G Core Software Engineer - Onsite (TS/SCI)

Collins Aerospace; San Jose (CA); On-site; USD 118,000 - 225,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan with match

Tuition reimbursement

Paid time off

Job summary

Applied Signal Technology, part of RTX and Collins Aerospace, is seeking a Principal Software Engineer in San Jose, CA, onsite. You will develop 5G Core Network software and protocols, collaborating with leaders to advance product visions and interfaces.

You will work with cross‑functional teams, perform technical research, and lead demonstrations while ensuring security clearance requirements are met and maintained.

Qualifications

• Typically requires a STEM degree and 8+ years of experience.
• Experience developing 5G core network functions and service-based interfaces.
• Proficiency in Linux-based software, C++, and Python.
• Ability to obtain and maintain TS/SCI with polygraph security clearance.

Responsibilities

• Develop 5G core network software solutions and protocols.
• Collaborate with leaders to align product visions and roadmaps.
• Engage with customers for requirements and CONOPS; perform demonstrations.

Skills

5G core network

C++

Python

Linux

RESTful APIs

Troubleshooting distributed systems

Security clearance TS/SCI

Education

STEM degree

Tools

Kubernetes

Docker

OpenStack

Go

Rust

Job description

Applied Signal Technology, part of RTX and Collins Aerospace, is seeking a Principal Software Engineer in San Jose, CA, onsite. You will develop 5G Core Network software and protocols, collaborating with leaders to advance product visions and interfaces.

You will work with cross‑functional teams, perform technical research, and lead demonstrations while ensuring security clearance requirements are met and maintained.