Senior Software Engineer

CeLeen, an operating firm of Command Holdings, is seeking a Senior Software Engineer to support a potential Department of Energy contract. The role supports a mission-critical scientific computing framework, including sustainment and modernization of three-dimensional modeling capabilities and readiness for Linux-based high-performance computing environments.

Responsibilities:

• The Senior Software Engineer will provide virtual scientific computing support sustaining a mission-critical computational framework for a Carlsbad, New Mexico site
• This role will provide expertise in computer science methods and strong written communication skills to support an existing computational framework
• The individual will support sustainment, modernization, performance optimization, HPC readiness, and transition support for evolving three-dimensional modeling capabilities, including software development, analysis, refactoring, verification and validation, documentation, performance improvement, platform portability, workflow reproducibility, and migration readiness for Linux-based computing environments

Requirements:

• Master's degree in computer science, engineering, or a related discipline such as environmental science, mathematics, or physics //OR// Bachelor's degree in a related discipline with 10 years of relevant experience
• Ability to obtain and maintain a DOE Q clearance
• Minimum of 5 years of experience in computational modeling, software development, and software documentation, including legacy software and systems
• Experience in one or more technical and business domains
• Experience programming in mixed-language scientific software environments, including Fortran, Python, and C and/or C++
• Experience working in GNU/Linux or equivalent Linux-based development environments and associated build, compilation, and debugging toolchains
• Experience with high-performance computing (HPC) systems
• Experience using HPC job schedulers, such as Slurm or equivalent workload management systems
• Must be able to demonstrate relevant project experience within the past five years
• Must have hands-on experience in project completion involving computational modeling and software development performed in a regulated, safety-critical, or other high-consequence computational environment, consistent with the type of experience required under this role
• Exceptional customer relationship management and team building skills
• Advanced organizational and leadership skills
• Outstanding communication skills, influencing abilities, and client focus
• Professional proficiency in English is required
• Demonstrated proficiency in using all Microsoft Office applications
• Must be a U.S. Citizen
• Applicants must be currently authorized to work in the United States on a full-time basis
• CeLeen will not sponsor applicants for work visas for this position
• Pursuant to PL 93-638, as amended, preference will be given to qualified Native Americans and spouses in all phases of employment
• Master's Degree
• Current, active DOE Q clearance