Senior C++ Autonomy & Maritime Systems Architect

L3Harris Technologies; Fareham; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working where possible

Flexible or part-time working

Half day finish on a Friday

25 days holiday per year (plus bank)

Private medical insurance with family

Pension scheme up to 8% employer

Life Assurance 4x salary (flexible up

Group income protection

Flexible opt-in extras: health plan, /

Employee Family Assistance Program

Professional membership reimbursement

Job summary

L3Harris Technologies in Portchester, UK is seeking a Senior Software Engineer (Autonomy & Maritime Systems) to lead design and development of high‑performance C++ applications for autonomous maritime systems. You will mentor engineers and work with diverse teams to deliver robust software across Linux environments.

The role requires 5+ years in C++ with embedded/real‑time experience, strong leadership in Agile/DevSecOps, and expertise in Qt UI development.

Qualifications

• Bachelor's degree in CS or related field.
• 5+ years in C++ software development, including embedded/realtime systems.
• Experience leading Agile and DevSecOps teams.
• Strong Linux and Git-based development experience.

Responsibilities

• Lead the design, development, and architecture of high-performance C++ applications for autonomous maritime systems.
• Provide technical leadership and mentorship to software engineers, promoting best practices in software design and integration.
• Collaborate with systems engineering, UX, QA, product management, and external partners to deliver software solutions.
• Drive Agile software development activities, including sprint planning, reviews, retrospectives, and continuous improvement.
• Utilise JIRA, GitLab, and CI/CD pipelines to manage development activities and ensure reliable software delivery.
• Oversee and contribute to Qt-based UI development for operator interfaces.
• Ensure software is robust, scalable, secure, maintainable, and supportable throughout the lifecycle.
• Support development, integration, deployment, and DevOps activities in Linux (RHEL 8).

Skills

C++ development

Embedded/RTOS

Technical leadership

Linux

Git/GitLab

CI/CD pipelines

Qt framework

Agile/DevSecOps

Communication skills

Education

Bachelor’s degree in Computer Science or related

Tools

GitLab

JIRA

CI/CD tooling

Job description

L3Harris Technologies in Portchester, UK is seeking a Senior Software Engineer (Autonomy & Maritime Systems) to lead design and development of high‑performance C++ applications for autonomous maritime systems. You will mentor engineers and work with diverse teams to deliver robust software across Linux environments.

The role requires 5+ years in C++ with embedded/real‑time experience, strong leadership in Agile/DevSecOps, and expertise in Qt UI development.