Principal Software Developer - Python
Confirmed on the employer's own hiring board on Sep 24, 2026. First seen by Alion on Sep 18, 2026.
We are looking for the right people - people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s largest providers of products and services to the global energy industry.
Job Duties
About Landmark
Landmark, a Halliburton company, builds the software and data platforms that help the global energy industry make better decisions. Our products span subsurface interpretation, well construction planning, reservoir simulation, production optimization, and digital operations. These are tools used daily by engineers and scientists at the world’s largest energy companies and run as cloud-native SaaS platforms and as enterprise on-premises solutions.
About the role
This is a full-time position for the Landmark Reservoir Centre of Excellence as Subject Matter Expert Software Engineer. The ideal candidate is a reservoir engineer or geoscientist with good knowledge and understanding of reservoir modelling workflows, combined with a solid understanding of and experience with software development. Candidates will be working in a domain application software engineering team, developing data driven applications for our reservoir management software solutions. You will utilize your experience as a reservoir engineer or geoscientist, and your experience with software development to support the deployment and growth of our ensemble technology, strengthen our customers use of our technology towards better decision making for their assets. This role involves collaborating with new and existing clients to develop new applications and solve specific real world problems, enhancing our portfolio of applications, and creating innovative solutions to tackle industry challenges in ensemble modeling and simulation domains. A software engineer in the Reservoir Centre of Excellence is curious, eager, customer-focused and enjoys a diversified working situation involving significant responsibilities towards our company and our clients. He/she also identifies with Halliburton’s core values: Safety, Trust, Collaboration, Integrity and Respect.
Qualifications & Experience:
- Strong Python skills.
- MSc. in reservoir engineering, petroleum engineering or geosciences
- Good understanding of the geological processes and reservoir engineering principles that control the nature and static/dynamic behaviour of hydrocarbon filled reservoirs
- Good understanding of the full reservoir modelling workflow and associated uncertainty, with some experience in using the common geomodelling tools and commercial flow simulators
- Previous experience from an E&P company and / or oilfield services company, is an advantage
- Have a strong software engineering background
- Working knowledge of Git
- Familiar with programming languages such as C#, F#, JavaScript is a plus
- Passionate about building software tools for reservoir modelling, simulation and decision making
- Strive to write good and maintainable production grade code
- Thrive in a Lean/Agile environment
Personal Attributes:
- Strong interpersonal and communication skills, and ability to manage key stakeholder relationships
- A structured, analytical and proactive approach to solving technical challenges
- Outgoing with a commercial mindset
- Comfortable in a high-paced environment
- Team player, enjoying collaboration with others
- Independent, curious and self-going
- Willingness to learn and grow as both a software -and reservoir engineer
- Interest in exploring and learning new technologies
- Flexible and interested in travelling
How You Work
The engineer who succeeds in this role brings independent judgment to their work and applies it consistently. You own your assignments end to end, communicate clearly when something is off track, and treat code reviews as a genuine quality tool rather than a formality. You are comfortable working across time zones, adaptable when requirements shift, and focused on delivery outcomes rather than task completion. You pick up new tools and techniques on your own, evaluate them critically, and bring the ones that work to your team. You help the engineers around you improve because you understand that team quality compounds over time.
Minimum Qualifications: Minimum qualifications may be acquired through technical schools or equivalent related experience. Candidates having qualifications that exceed the minimum job requirements will receive consideration for higher level roles given (1) their experience, (2) additional job requirements, and/or (3) business needs. Depending on education, experience, and skill level, a variety of job opportunities might be available from the Technical Professional Software Advisor - Leader
Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.
Location
Lvl 10, 199 Jalan Tun Razak, Kuala Lumpur, Kuala Lumpur, 50400, Malaysia
Job Details
Requisition Number: 209586
Experience Level: Experienced Hire
Job Family: Engineering/Science/Technology
Product Service Line: Landmark Software & Services
Full Time / Part Time: Full Time
Additional Locations for this position:
Compensation Information
Compensation is competitive and commensurate with experience.