Principal Engineer, AI Tooling & Developer Experience

Halliburton; Oslo fylke; On-site; NOK 1,200,000 - 1,800,000; Full time

Job summary

Halliburton, Landmark Software & Services in Oslo, Norway, seeks a Principal Engineer to shape the inner-loop for AI-enabled software development. You will define standards, build AI tooling, and drive adoption across teams while partnering with a growing developer experience organization.

You will lead pilots in real repositories, define health metrics, and contribute to the long-term architectural direction of Landmark's software platforms.

Qualifications

• Significant industry experience as a software engineer, including a demonstrable track record of hands-on technical contribution at senior or staff level.
• Deep expertise in software build systems, test infrastructure, and local development environments across multiple languages and frameworks.
• Practical experience with modern AI-assisted development workflows, including agentic development tools and their integration into professional software delivery.
• Strong written communication skills, with the ability to produce clear technical standards, audit reports, and design documents intended for a broad engineering audience.
• Demonstrated ability to operate autonomously, to prioritize across a large set of possible improvements, and to deliver measurable outcomes.
• Experience building and operating internal developer platforms that were voluntarily adopted by peer teams.

Responsibilities

• Define the architecture for AI-enabled software development at Landmark, identifying how engineers, AI agents, developer tooling, source control, CI/CD, and internal platforms should work together.
• Establish the technical standards for a high-performing developer environment, covering local development, build and test workflows, deterministic environments, repository conventions, documentation, and machine-readable interfaces for AI agents.
• Design and build the AI tooling layer that connects engineers and AI agents with the systems they use every day, including source control, chat, issue tracking, CI/CD, feature management, and internal developer platforms.
• Lead technical pilots and reference implementations, working directly in real repositories to validate architectural approaches, solve difficult engineering problems, and define golden paths that other teams can adopt.
• Define and measure the health of the developer experience, including automated repository assessments, engineering productivity signals, and technical scorecards that identify opportunities for improvement.
• Drive adoption across the engineering organization, working with teams to introduce new tooling and standards, gather feedback, and continuously improve the developer experience.
• Contribute to the technical direction of the growing Developer Experience organization, including architectural decisions, technology choices, technical standards, and the development of the team itself.

Skills

Senior engineer

Build systems

AI-assisted tooling

Technical writing

Autonomous work

Dev platforms

Education

Technical degree or equivalent experience

Tools

CI/CD pipelines

Source control

AI tooling platforms

Job description

Halliburton, Landmark Software & Services in Oslo, Norway, seeks a Principal Engineer to shape the inner-loop for AI-enabled software development. You will define standards, build AI tooling, and drive adoption across teams while partnering with a growing developer experience organization.

You will lead pilots in real repositories, define health metrics, and contribute to the long-term architectural direction of Landmark's software platforms.