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Added 5 days ago
KC
Customer Engagement Applications Engineer – Texas/USA
KLA Corporation
Taylor, TX
- $102,000 to $173,400 USD / year
We are looking for an Applications Engagement Engineer to join our global CAPRES team, supporting customers with primary focus on Texas and the United States..
Added 5 days ago
Senior Dynatrace Observability Engineer / Subject Matter Expert (SME)
Derex Technologies Inc
Remote, United States
Position: Senior Dynatrace Observability Engineer / Subject Matter Expert (SME)
Added 5 days ago
Staff Software Engineer, Reliability
LinkedIn
Mountain View, CA
…member and customer to experience LinkedIn as "always on", every engineer to benefit from a more insightful and proactive site-wide reliability ecosystem, and every business and product…
Added 5 days ago
A
Principal DevOps / Data Engineer
Alder
Newton, MA
- $175,000 to $195,000 USD / year
…with a data lakehouse at its core. The Principal DevOps & Data Engineer is a hybrid role that owns two tightly linked things: the platform that runs on (multi-account AWS, EKS, CI/CD,…
Added 5 days ago
Sr. Software Engineer, Infrastructure Services
Apple
Seattle, WA · Sunnyvale, CA
We are looking for a skilled Sr. Software Engineer with deep understanding of a technical system, leading the evolution of its architecture as well as contributing infrastructure code for…
Added 5 days ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
McLean, VA
9+ years of experience in application development with demonstrated proficiency in Python, SQL, Scala, or Java
Added 5 days ago
AI/ML Engineer Intern
Intuitive
Sunnyvale, CA
…seeking a highly motivated, hard-working, and professional AI/ML Engineer Intern to join our team for Summer 2027. The AI/ML Engineer Intern will support GAVE’s mission of generating…
Added 5 days ago
Senior/Staff Platform Engineer, Enterprise Deployments
Quilter
Remote, United States
- Experience using infrastructure as code and building maintainable automation. You can read application code, follow logs and traces, and write tools or integrations in a language such as…
Added 5 days ago
Senior/Staff Platform Engineer, Infrastructure & Security
Quilter
Remote, United States
We’re looking for a Senior or Staff Platform Engineer to build and operate secure cloud infrastructure and automate the controls we depend on.
Added 5 days ago
PLC Programmer
TAE Power Solutions
Irvine, CA
- Programming experience in Python, Rust, or C++
Added 5 days ago
Embedded Software Engineer
TAE Power Solutions
Irvine, CA
We are seeking an experienced Embedded Software Engineer to design, develop, and validate real-time firmware for power electronics, battery energy storage, and industrial control systems.…
Added 5 days ago
Senior AI Product Builder
Exiger
McLean, VA · Richmond, VA
Added 5 days ago
Manufacturing Test Engineer
Mercury Systems
Phoenix, AZ
Mercury Systems Processing Tech business unit is seeking a Manufacturing Test Engineer to join a growing, collaborative team.
Added 5 days ago
Senior DevOps Engineer (NYC)
Zafran Security
Remote, United States
Zafran is looking for a Senior DevOps Engineer to own our US-only production environment end-to-end and lead our growing US DevOps presence. This is a hands-on role combining infrastructure…
Added 5 days ago
DevOps Engineer I
Vertafore
East Lansing, MI
· Develop a strong automation practice to drive efficiencies in infrastructure, Dev/Ops and application deployments.
Added 5 days ago
Embedded Test and Validation Engineer
FORT Robotics
Philadelphia, PA
As a Validation Engineer, you'll work at the intersection of robotics, embedded systems, and next-generation automation. You'll help move innovative technologies from engineering…
Added 5 days ago
Senior Data Engineer, Data Analytics
Agility Robotics
Remote, United States
We are looking for a Senior Data Engineer to join our Data Platform team and help shape the foundation of data-driven operations at Agility. In this role, you’ll work closely with robotics…
Added 5 days ago
Software Engineer II - GTEx Group
Broad Institute
Cambridge, MA
We are looking for an experienced full-stack software engineer to help us design and build a robust data portal that enables researchers across the world to accelerate advances in…
Added 5 days ago
Cloud Security Engineer
PeopleTec, Inc.
HUNTSVILLE, AL
Collaborate with cloud engineers, infrastructure engineers, application teams, cybersecurity personnel, and operations teams to identify security requirements and engineer appropriate…
Added 5 days ago
A
Sr. Hardware Engineer
Actalent
Bingen, WA
- $62.5 to $67.31 USD / hour
Columbia River Gorge, WA (onsite)$130-140kDirect Hire-----About the RoleYoull be the hardware engineer who keeps a line of aviation radio electronics moving through production and makes it…
Added 5 days ago
A
Software Engineer
Actalent
Manassas, VA
- $36 to $40 USD / hour
Job Title: Software EngineerJob DescriptionWe are seeking a skilled Software Engineer to join our dynamic team. The ideal candidate will have a Bachelor's degree in Software Engineering, or…
Added 5 days ago
Software Engineer 3 (IDN - 202)
SageCor Solutions
Annapolis Junction, MD
The Software Engineer shall design, develop, deploy, and support Retrieval-Augmented
Added 5 days ago
Lead Platform Engineer, Agentic Issue Resolution (AIR)
Ford
Redford, MI · Redford Charter Twp, MI · Redford Charter Twp
Strong API and service design, testing, and maintainable code in Python, TypeScript, Go, or Java.
Added 5 days ago
Senior Transmission Planning Engineer - Stability Studies
ICF Resources, LLC
Reston, VA
…transmission reform. We are seeking an experienced power system engineer with deep stability expertise who can independently execute transient stability and dynamic simulation studies,…
Added 5 days ago
Software Engineer
Encompass Onsite
Fort Lauderdale, FL
The required skills such as C++, C, Java, and Python are essential for developing core application logic and backend services, enabling you to build scalable and efficient software…

Closed listing

Command Holdings

Senior Software Engineer

N/A, NM, United States

Expected salary range: $130,000 - $170,000

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: Expected salary range: $130,000 - $170,000
Experience: Minimum of 5 years of experience in computational modeling, software development, and software documentation, including legacy software and systems.
Posting language: English
Posted: Nov 2, 2026

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Original job description

Archived listing. The details below describe a past opening.

CeLeen, an operating firm of Command Holdings, is seeking a Senior Software Engineer to support a potential contract within the Department of Energy (DOE).

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.

Expected salary range: $130,000 - $170,000

Work Environment:

Ability to sit at a computer terminal for an extended period of time.
Ability to work in confined areas.

Physical Demands:

While performing the responsibilities of the job, the employee is required to sit, stand, talk, and hear.
Employee is often required to sit and use their hands and fingers to operate a computer.
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Travel:

0-10% / Occasional travel.

CeLeen, an operating firm of Command Holdings, is a tribally-owned firm providing management consulting services to U.S. government agencies.

Pursuant to PL 93-638, as amended, preference will be given to qualified Native Americans and spouses in all phases of employment.

At CeLeen, our employees are the embodiment of our success as a firm. Our team is comprised of a tenacious group of professionals located across the globe. It includes military veterans and spouses of active duty troops, former federal employees, policy experts, academics, attorneys, and technical and business experts, all of whom share a strong work ethic and the skills to succeed in both collaborative and independent environments. CeLeen is invested in the long-term success of both our clients and colleagues for the right reasons. Our dedication to putting good government into practice is underpinned by a merit-based culture that measures success by productivity and credibility.

CeLeen will provide reasonable accommodations to applicants who are unable to utilize our online application system due to a disability. Please send your request to the Human Resources Team.

CeLeen is committed to equal employment opportunity based on merit. We recruit, employ, train, compensate, and promote without regard to race, religion, color, national origin, age, sex, disability, protected veteran status, or any other basis protected by applicable federal, state, or local law, and in accordance with EO 14173 and Federal Employment Laws: Equal Employment Opportunity and Employee Polygraph Protection Act.

CeLeen's Affirmative Action Program is available to any employee or applicant for employment for inspection upon request, to the extent required by federal regulations. The Affirmative Action Program can be accessed during normal business hours by making an appointment with the Human Resources Team.

Basic 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.
Ability to access federal facilities in compliance with Real ID. More information about Real ID can be found here: https://www.dhs.gov/real-id/about-real-id and at https://www.tsa.gov/travel/security-screening/identification.
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.

Preferred Qualifications

Master's Degree.
Current, active DOE Q clearance.

Benefits

CeLeen offers a competitive benefits plan including:

Health, Dental, and Vision Insurance
Flexible Spending Accounts
Life and Disability Insurance
401(k)
Paid Time Off
Paid Holidays
Employee Assistance Program
Pet Insurance

*Eligibility requirements apply

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