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Added 1 min ago
Executive Assistant
ServiceNow
Remote, United States
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 1 min ago
DevOps Engineer (Remote)
SmartSuite
Overland Park, KS
As a Senior DevOps Engineer, you will play a critical role in the reliability, security, and scalability of SmartSuite's cloud infrastructure. This is a hands-on engineering position for…
Added 7 mins ago
M365 Automation & SharePoint Solutions Engineer
E-Infosol LLC
Washington, DC
We are seeking an experienced M365 Automation & SharePoint Solutions Engineer that plays a key role in the enterprise’s SharePoint and M365 Power Platform modernization efforts. This role…
Added 8 mins ago
Senior Energy Distribution and Management Engineer
Anduril Industries
Santa Ana, CA
…companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating…
Added 8 mins ago
Data Analytics & Visualization Engineer
Leidos
Scott Air Force Base, IL
The Leidos Digital Modernization Group seeks a Data Analytics & Visualization Engineer for the Global Solution Management – Operations II (GSM-O II) contract, under the Global Automations &…
Added 8 mins ago
Data Analytics & Visualization Engineer
Leidos
Scott Air Force Base, IL
The Leidos Digital Modernization Group seeks a Data Analytics & Visualization Engineer for the Global Solution Management – Operations II (GSM-O II) contract, under the Global Automations &…
Added 8 mins ago
Section 508 Compliance Test Engineer
CACI International
O'Fallon, IL
Join our team supporting USTRANSCOM's Joint Transportation Management System (JTMS), a mission-critical enterprise platform that modernizes transportation, logistics, and financial…
Added 8 mins ago
Senior Connectivity Systems Engineer
Caterpillar, Inc.
Mossville, IL
The Senior Connectivity Systems Engineer will provide end-to-end technical leadership for the development, integration, and delivery of machine connectivity capabilities. This role will…
Added 9 mins ago
ETS Developer IV- Core Payments
Navy Federal Credit Union
Vienna, VA · Pensacola, FL
Strong understanding of modern application and platform architecture, including APIs, microservices, integrations, distributed systems, and cloud-native architectures.
Added 9 mins ago
Data Test Engineer
CACI International
Scott AFB, IL
Join our team supporting USTRANSCOM's Joint Transportation Management System (JTMS), a mission-critical enterprise platform that modernizes transportation, logistics, and financial…
Added 9 mins ago
C
Oracle Tuxedo Middleware Engineer
Cognizant
Deerfield, IL
- $60,000 to $71,500 USD / year
As an Oracle Tuxedo Middleware Engineer, you will make an impact by maintaining and optimizing enterprise middleware platforms that support business-critical applications. You will be…
Added 9 mins ago
Senior Fullstack Engineer / .NET / Angular / eCommerce
Kelly Services
Downers Grove, IL
This position offers the opportunity to become one of the key technical contributors supporting a mission-critical platform that directly impacts revenue generation. The organization is…
Added 9 mins ago
Senior Analyst, Compliance Technology
Coinbase
Springfield, IL
We're hiring an Analytics Engineer to join the Compliance Technology team within the Platform organization. This team builds and operates data and detection capabilities that enable…
Added 9 mins ago
AT
Network Infrastructure Engineer II
Akamai Technologies, Inc.
Springfield, IL
- $83,200 to $149,800 USD / year
Would you enjoy building high use and highly critical global platform infrastructures?
Added 9 mins ago
Software Engineer II
Amentum
Springfield, IL
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…
Added 10 mins ago
RA
Senior Program Manager & Key Client Lead, Data Centers
Ramboll Americas Engineering Solutions, Inc.
Chicago, IL
- $150,000 to $225,000 USD / year
If this sounds like you, join Ramboll’s Power Systems team in North America as our Senior Program Manager & Key Client Lead, Data Centers, and help expand a strategic client relationship…
Added 10 mins ago
IT Project Manager - Healthcare
Proven IT
Tinley Park, IL
…coordinates closely with the Technical Account Manager, Technical Engineer, Project Engineer, Support, Security, vendors, and client stakeholders. The Project Manager owns project…
Added 14 mins ago
MC
Manager, Mechanical Engineering
Mission Critical Group
Harleysville, PA
- $140,000 to $150,000 USD / year
Mission Critical Group (MCG) an end-to-end power systems and solutions provider that accelerates time-to-power and delivers scalable, resilient infrastructure for mission critical…
Added 16 mins ago
Mechanical Engineer
Harmar Mobility LLC
SARASOTA, FL
…lifts for the home, and residential and commercial vertical platform lifts. We are an organization that is inspired by those who are mobility challenged and is driven to create mobility and…
Added 16 mins ago
Electrical Engineer
Harmar Mobility LLC
SARASOTA, FL
…lifts for the home and residential and commercial vertical platform lifts. We sell to dealers and to the government. Ultimately our products give people access to their homes and allow them…
Added 23 mins ago
Senior Vice President, Infrastructure Engineering (Mainframe Communications Systems Software Engineer
ewminds consulting Services
Jersey City, NJ
(SVP) Senior Vice President, Infrastructure Engineering (Mainframe Communications Systems Software Engineer)
Added 26 mins ago
Data Engineer
Tetrad Digital Integrity LLC
Springfield, VA
Coordinate with security and compliance teams to build required protections and controls into data systems
Added 27 mins ago
B
Senior Specialist, Java/Angular Full-Stack Engineer
BNY
Boston, MA · Westborough, MA
- $71,000 to $123,000 USD / year
Leads the technical design, development and documentation of cross-functional, multi-platform application systems.
Added 27 mins ago
Senior Staff Software Engineer, Feed Recommendation Infrastructure
Google
Mountain View, CA
7 years of experience building and developing large-scale infrastructure, distributed systems or networks, or experience with compute technologies, storage, or hardware architecture.
Added 30 mins ago
RG
Database Engineer II
RELI GROUP INC
Remote, United States
- $91,015.65 to $133,489.62 USD / year
…whether we’re supporting data-driven decisions, modernizing systems or safeguarding critical…

Amentum

Software Engineer II

Springfield, IL, United States

$97k - $121k

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Job details

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

Original job description

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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