Jobs in the United States

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Added 1 min ago
ST
Sales Engineer - Unmanned Systems - United States (Remote)
Silvus Technologies, Inc.
Remote, United States
- $80,000 to $120,000 USD / year
Silvus Technologies was acquired by Motorola Solutions in 2025, and is now part of its ecosystem of safety and security technologies.
Added 4 mins ago
FH
Apprentice Engineer
Fred Hutchinson Cancer Center
Seattle, WA
- $30.29 to $43.34 USD / hour
The Fred Hutch Operating Engineer is a building maintenance technician responsible for independently performing tasks of a skilled nature necessary for the operation, maintenance, and…
Added 9 mins ago
Backend Software Engineer
Raydar
San Francisco, CA
…as a product moves into live production use. The work covers security, reliability, compliance controls and performance, with an emphasis on correctness and…
Added 18 mins ago
Network Engineer – Fortinet (FortiGate, SD-WAN, BGP/OSPF) – Onsite NYC
MaxIT Consulting - Max Corporate Group
New York · New York, NY
If you are a Fortinet-certified network engineer who enjoys solving complex network and security challenges, we would like to hear from you.
Added 18 mins ago
Network Security Engineer – Firewalls, Routing & SD-WAN
MaxIT Consulting - Max Corporate Group
New York · New York, NY
If you are a Fortinet-certified network engineer who enjoys solving complex network and security challenges, we would like to hear from you.
Added 23 mins ago
CU
Part-Time Online Course Facilitator: AI/ML Technology and Architecture
Cornell University
Remote, United States
- Part-time
AI strategy, governance, and ethics, including evaluating AI opportunities, human oversight, AI security, and bias and fairness.
Added 28 mins ago
Senior AI Engineer, AI Safety
NVIDIA USA
Remote, United States
Serving as an AI Engineer on our AI Safety Engineering team, you will have a key and adaptable role in scaling methods to secure and align advanced AI systems. Your early work will center…
Added 39 mins ago
PN
Building Systems Research Engineer
Pacific Northwest National Laboratory
UNAVAILABLE
- $89,300 USD / year
Our Science & Technology directorates include National Security, Integrated Discovery Sciences, and Energy and Environment. In addition, we have an Environmental Molecular Sciences…
Added 49 mins ago
IT Security Engineer
CoolSys
UNAVAILABLE
We are seeking a mid-level Security Engineer to support security operations across a geographically distributed, multi-architecture environment. This role is intended for an engineer with 4…
Added 49 mins ago
IT Network Engineer
CoolSys
UNAVAILABLE
We are seeking a mid-level Network Engineer to support reliable connectivity across a geographically distributed, multi-site environment. This role is intended for an engineer with 4 to 8…
Added 54 mins ago
T
Network Engineer- CCNA
TEKsystems
Charlotte, NC
- $38 to $41 USD / hour
DescriptionWe are seeking a Network Engineer to provide advanced engineering support for the organization's global Data, Voice, Security, and Wireless networks. This role will have a…
Added 1 hour ago
Principal Engineer, Threat Hunting
T-Mobile USA, Inc.
Bellevue, WA · Overland Park, KS · Frisco, TX
The Principal Engineer, Threat Hunter is critical to protecting T-Mobile’s digital assets, serving on the Continuous Hunting and Offensive Specialists (CHAOS) team, T-Mobile’s elite…
Added 1 hour ago
Senior Backend Cloud Engineer
Halcyon
Remote, United States
Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping…
Added 1 hour ago
Linux Software Engineer
Kastel Staffing
Huntsville, AL
We are seeking a UAS Linux Software Engineer to develop, integrate, and maintain the core software components that run on our drone platforms. This role focuses on the Linux‑based onboard…
Added 1 hour ago
Senior Advanced Manufacturing Engineer
Kastel Staffing
Torrance, CA
Senior Manufacturing Engineer – Advanced Aerospace & Defense
Added 1 hour ago
Senior GNC Engineer
Kastel Staffing
Moorpark, CA
We are seeking a Senior GNC Engineer IV with extensive experience in drone flight dynamics, control theory, state estimation, and autonomous flight systems. In this role, you will lead the…
Added 1 hour ago
Senior GNC Engineer
Kastel Staffing
Huntsville, AL
We are seeking a Senior GNC Engineer IV with extensive experience in drone flight dynamics, control theory, state estimation, and autonomous flight systems. In this role, you will lead the…
Added 1 hour ago
KC
Capital Project Manager III
King County
Seattle, WA
- $121,042.27 to $153,428.08 USD / year
Licensed Professional Engineer (PE) or Architect
Added 1 hour ago
Captain - 2027
American Cruise Lines
United States
Ensure safety and security of passengers, crew, and vessel.
Added 1 hour ago
Captain
American Cruise Lines
Savannah, GA
Ensure safety and security of passengers, crew, and vessel.
Added 1 hour ago
Captain
American Cruise Lines
Salt Lake City, UT
Ensure safety and security of passengers, crew, and vessel.
Added 1 hour ago
Captain
American Cruise Lines
Portland, OR
Ensure safety and security of passengers, crew, and vessel.
Added 1 hour ago
Captain
American Cruise Lines
Port Canaveral, FL
Ensure safety and security of passengers, crew, and vessel.
Added 1 hour ago
Captain
American Cruise Lines
Pittsburgh, PA
Ensure safety and security of passengers, crew, and vessel.
Added 1 hour ago
Captain
American Cruise Lines
Old Saybrook, CT
Ensure safety and security of passengers, crew, and vessel.

Closed listing

Amentum

Software Engineer II

Springfield, IL, United States

$97k - $121k

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: $97k - $121k
Posting language: English
Posted: Nov 4, 2026

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Original job description

Archived listing. The details below describe a past opening.

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

The Software Engineer II will perform full stack development with C# program, ReactJS, MVC, Linq, and rest API development in NET Core platform. This position is US remote teleworking within the US and US Citizenship is required.

Essential Responsibilities:

Under general supervision, design, develop, troubleshoot, and analyze software programs for computer-based systems
Ensure automated data feeds and system interfaces are working as intended
Participate in software requirements review, preliminary and critical design reviews, integration readiness review, and software acceptance reviews
Design, write, test, deploy and support software code, as assigned
Perform software upgrades in accordance with software quality procedures
Frequent inter-organizational and outside customer contacts on technical matters
Support Continuous Improvement efforts intended to improve the quality of existing software
Design and implement new or existing standard software application programs and reports according to project software standards and conventions
Perform other duties as assigned

Knowledge, Skills and Abilities:

Deep understanding of relational databases and Microsoft SQL Server (T-SQL)
Strong knowledge of Model-View-Controller (MVC), Linq Query, and rest API development
Ability to build robust, maintainable web applications and services
Excellent communications and analytical skills required
Good Planning/organizing skills
Ability to prioritize and adapt to dynamic changes in the environment
Must be able to work under deadlines
Position may require travel 5%

Minimum Education and Experience Required:

Typically, 3 years of C# program experience with .NET technology, MVC, Linq, and rest API development with a Bachelor’s degree in a related technical discipline (e.g., BSEE, BSCS) or equivalent in Computer Science or related field
ReactJS programming experience preferred
Position may require the ability to pass and maintain a Security Clearance
US Citizenship is required.

Compensation Details:

$97k - $121k

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

11/04/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters (https://postings.govdocs.com/#/vxSkbztPuAwwxfs) .

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