Senior Software Engineer (TS/SCI) – Onsite Mission Systems

Apex Systems; Redondo Beach (CA); On-site; USD 130,000 - 170,000; Full time

Job summary

Everforth Apex is seeking an Engineer Software 3 to support the DoD ground software development and operations & maintenance contracts. The role is 100% on-site in a secure facility in Redondo Beach, CA, with TS/SCI clearance required before starting program work.

The engineer will design, develop, document, test, and debug applications and systems, collaborating with product owners and engineers to refine requirements into scalable designs while enforcing architectural standards and best

Qualifications

• 12+ years experience with a Bachelor's degree; 8+ years with a PhD; 4 years may substitute for a degree.
• Proficiency with C++ and object-oriented programming; strong Python skills.
• Experience designing distributed systems; Linux/git experience.
• Top Secret clearance required before starting program work.

Responsibilities

• Design, develop, test, and debug applications and systems.
• Support architecture definition for containerized, cloud-deployed systems.
• Refine requirements into scalable designs with non-functional specs.
• Review code in Java, Python, and C++ to ensure standards.
• Support CI/CD pipelines and DevSecOps for cloud deployments.
• Perform design/code reviews focusing on reliability and maintainability.
• Communicate complex concepts to technical and non-technical stakeholders.

Skills

C++ programming

Python programming

Java

Object-oriented design

Linux environment

Git

CI/CD

DevSecOps

Distributed systems

Problem-solving

Education

Bachelor's degree

Master's degree

PhD

Tools

Kafka

Job description

Everforth Apex is seeking an Engineer Software 3 to support the DoD ground software development and operations & maintenance contracts. The role is 100% on-site in a secure facility in Redondo Beach, CA, with TS/SCI clearance required before starting program work.

The engineer will design, develop, document, test, and debug applications and systems, collaborating with product owners and engineers to refine requirements into scalable designs while enforcing architectural standards and best