Jobs in the United States

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DevOps/Platform Engineer
Insight Global
Remote, United States
- From $48 USD / hour
Strong Linux systems administration and shell scripting experience.
Added just now
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Software Test Engineer/QA
Insight Global
Remote, United States
- From $48 USD / hour
A Fortune 50 client is looking for a Mid-Senior Software Test Engineer who brings a balanced skill set in both manual and automation testing, with deep experience validating backend Java…
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IG
Python Engineer
Insight Global
Remote, United States
- From $60 USD / hour
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Azure DevOps Engineer
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Remote, United States
Libra Solutions is seeking an Azure DevOps Engineer to build, automate, and operate the delivery pipelines and cloud platform behind our products. You will own our Azure DevOps (ADO)…
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Senior Systems Engineer
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Lead Software Engineer
MANHM Cox Automotive Canada
Atlanta, GA
The Lead Software Engineer applies advanced knowledge of software engineering principles, modern architectural patterns, and emerging delivery methodologies to drive the technical direction…
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Consulting Power Engineer
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Alpharetta, GA
…Compensator (STATCOM) projects. Apply advanced principles of power systems engineering and power electronics to control system voltage, improve power quality, and to mitigate electrical…
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Intern, Project Engineer
Samuel, Son & Co. (USA) Inc.
Riverside, CA
Learn manufacturing processes, equipment systems, and facility operations.
Added 2 mins ago
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Senior-level Structural Engineer - Safety
LJB Inc.
Miamisburg, OH
- $90,000 to $130,000 USD / year
We are looking to fill the role of a Senior-level Structural Engineer to work for our Safety practice in our Dayton, Ohio office. The Senior-level Structural Engineer will analyze, design,…
Added 2 mins ago
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Senior-level Structural Engineer - Safety
LJB Inc.
Charlotte, NC
- $90,000 to $130,000 USD / year
We are looking to fill the role of a Senior-level Structural Engineer to work for our Safety practice in our Charlotte, North Carolina office. The Senior-level Structural Engineer will…
Added 2 mins ago
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Senior-level Structural Engineer - Safety
LJB Inc.
Houston, TX
- $90,000 to $130,000 USD / year
We are looking to fill the role of a Senior-level Structural Engineer to work for our Safety practice in our Houston, Texas office. The Senior-level Structural Engineer will analyze,…
Added 3 mins ago
Application Integration Engineer 1
Torc Robotics
Remote, United States
The Application Integration Engineer designs, implements, and supports Torc’s enterprise-wide application ecosystem to deliver optimal performance, security, and value. This role applies a…
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Java Full Stack Engineer - Professional
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United States
…various testing cycles. Required Skills: Proficiency in the Software Development Lifecycle (SDLC). Strong knowledge of programming languages, application servers, database servers, and…
Added 4 mins ago
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Principal AI Engineer
Continental Casualty Company
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- $97,000 to $189,000 USD / year
…engineering platform. This role operates at the intersection of AI systems engineering, developer experience, and software delivery - building the foundational platform capabilities that…
Added 5 mins ago
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Group Manager - Industrial Structures (51483)
Collins Engineers, Inc
Remote, United States
- $120,000 to $200,000 USD / year
Oversees the use of computer assisted engineering and design software and equipment to prepare engineering and design documents.
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Senior Full Stack Developer
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United States
LMI is seeking a talented and mission-driven Senior Full Stack Software Engineer to design, develop, and modernize secure, scalable, cloud-native software applications and platforms…
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Principal Site Reliability Engineer
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Raleigh, NC · Houston, TX · Atlanta, GA · Broomfield, CO
Hitachi Energy is seeking a Principal Site Reliability Engineer to ensure the secure, reliable, and efficient operation of cloud‑hosted environments that support ESS software products and…
Added 7 mins ago
Help Desk Engineer | Technical Support Engineer
Heritage Senior Living
West Allis, WI
Heritage Senior Living is seeking a knowledgeable, responsive, and customer-focused Help Desk Engineer to provide technology support to employees across our organization.
Added 7 mins ago
Opto-Mechanical Engineer IV (E4)
Applied Materials
Santa Clara, CA · Santa Clara
As a Mechanical Engineer, you’ll leverage your strong foundation in physics, mathematics, and materials science to process and resolve mechanical problems, design and implement custom…
Added 7 mins ago
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Manufacturing Engineer - II
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Valencia, CA
- $46 to $62 USD / hour
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Added 8 mins ago
Software Engineer
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Two Six Technologies is seeking a Software Engineer to research and develop next-generation technologies for mobile communications and networks. The ideal candidate will have an interest in…
Added 10 mins ago
Senior Software Engineer, Axon 911 (Relocation Assistance Available)
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5+ years of software engineering experience, including designing, building, and operating complex production systems.
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Lead, IPTL Software Engineer (Space Systems) : Sign-on bonus ($30K max)
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Wilmington, MA
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Added 10 mins ago
Manager, Software Engineer Student LifeCycle Services
Western Governors University
Salt Lake City, UT
…development timelines.Building and managing multi-disciplined software teams and overseeing the development processes using industry best practices.Responsible for design reviews, code…
Added 11 mins ago
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Agentic AI Architect
Capgemini
Atlanta, GA, GA
- $125,000 to $140,000 USD / year
…teams, and ensuring scalable, secure, and high-performing AI systems that leverage LLMs, multi-agent frameworks, and enterprise…

Command Holdings

Senior Software Engineer

N/A, NM, United States

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

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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

Original job description

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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