Jobs in the United States

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(USA) Staff, Software Engineer
Walmart
BENTONVILLE, AR
- $110,000 to $220,000 USD / year
Drive full software development lifecycle activities such as coding, testing, deployment, monitoring, and maintenance.
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(USA) Systems and Infrastructure Engineer II
Walmart
BENTONVILLE, AR
- $70,000 to $130,000 USD / year
Join Walmart as a Systems & Infrastructure Engineer II supporting the Meeting Events & Enterprise Technology Solutions (MEETS) team, where you will help design, configure, deploy, and…
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(USA) Staff, Software Engineer
Walmart
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
Walmart is seeking a Staff Software Engineer to lead the development and delivery of scalable platform capabilities, including infrastructure, tooling, and AI/ML frameworks. This role…
Added just now
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(USA) Staff, Software Engineer
Walmart
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
Walmart is seeking a Staff Software Engineer to lead the development and delivery of scalable platform capabilities, including infrastructure, tooling, and AI/ML frameworks. This role…
Added just now
W
(USA) Staff, Software Engineer
Walmart
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
The (USA) Staff, Software Engineer plays a critical role in delivering scalable platform capabilities and driving the full software development lifecycle, including design, coding, testing,…
Added just now
W
(USA) Staff, Software Engineer
Walmart
Sunnyvale, CA
- $143,000 to $286,000 USD / year
As a Staff Software Engineer, you will lead the design and delivery of scalable platform capabilities, driving the full software development lifecycle from coding to deployment. You will…
Added just now
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Principal, Software Engineer
Sam's Club
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
As a Principal Full-Stack Engineer on the mGPS/Compass team, you will lead the design and delivery of the Java services and web experiences that power Walmart's in-store positioning,…
Added just now
W
(USA) Staff, Software Engineer
Walmart
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
Walmart is seeking a Staff Software Engineer to lead the development and delivery of scalable platform capabilities, including infrastructure, tooling, and AI/ML frameworks. This role…
Added just now
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Software Engineer III - Full Stack
Walmart
BENTONVILLE, AR
- $90,000 to $180,000 USD / year
We’re looking for a Full Stack Engineer who is passionate about building impactful solutions across the entire technology stack - from intuitive user experiences to scalable backend…
Added 1 min ago
Senior Software Engineer, Distributed Compute System
Nuro
Mountain View, CA
Added 1 min ago
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Founding Product Engineer
True Talent Solutions Partners
San Francisco, CA
- $165,000 to $210,000 USD / year
…directly with customers to turn their research needs into reliable…
Added 1 min ago
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Lead Platform Engineer
True Talent Solutions Partners
San Francisco, CA
- $220,000 to $300,000 USD / year
On-site in San Francisco, California, five days per week
Added 1 min ago
TT
Full Stack Engineer
True Talent Solutions Partners
San Francisco, CA
- $230,000 to $300,000 USD / year
- Strong computer science fundamentals and a track record of shipping clean, consistent software.
Added 3 mins ago
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Backend Engineer
Quindar
Arvada, CO
- $120,000 to $180,000 USD / year
Quindar builds modern, cloud-native satellite mission operations software with a simple mission: to operate satellites like servers. Our platform replaces fragmented, legacy ground systems…
Added 4 mins ago
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Software Integration Engineer
Actalent
Portland, OR
- $40 to $48 USD / hour
MUST have understanding of automotive ECUs, technology, systems, and subsystems
Added 7 mins ago
Advanced Systems Engineer - Software Verification
STERIS Corporation
Mentor, OH
The Advanced Systems Engineer - Software Verification provides technical leadership for system integration, verification and validation, test automation strategy, and release readiness for…
Added 7 mins ago
Sales & Applications Engineer
Electronic Products Industries Inc
Newburyport, MA
SUMMARY: The Sales & Applications Engineer serves as the primary technical interface between customers and EPI, supporting advanced microelectronic packaging, Glass-to-Metal Sealing (GTMS),…
Added 7 mins ago
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QA Engineer (6-month contract)
Centerfield
Los Angeles, CA
- $90,000 to $105,000 USD / year
- 2+ years of experience as a Software Engineer (QA, Automation, DevOps, Dev, etc.)
Added 7 mins ago
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Sr. QA Automation Engineer
Centerfield
Los Angeles, CA
- $95,000 to $120,000 USD / year
- 5+ years of experience as a Software Engineer (QA, Automation, DevOps, Dev, etc.)
Added 8 mins ago
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Recruiter
Aston Carter
Seattle, WA
- $36 USD / hour
…This role is focused on sourcing and recruiting talent for Software Development Engineer (SDE) and other technical positions.This is an excellent opportunity for recruiters or sourcers…
Added 8 mins ago
AC
Recruiter
Aston Carter
Chicago, IL
- $36 USD / hour
…This role is focused on sourcing and recruiting talent for Software Development Engineer (SDE) and other technical positions.This is an excellent opportunity for recruiters or sourcers…
Added 12 mins ago
IT Support Engineer - Tier I
Bay Cities Container
Pico Rivera, CA
Bay Cities has an exciting opportunity for an IT Support Engineer (Tier I) located at our manufacturing facilities in Pico Rivera, California. The IT Support Engineer (Tier I) provides…
Added 12 mins ago
Systems Engineer – Tier II
Bay Cities Container
Pico Rivera, CA
Bay Cities has an exciting opportunity for a Tier II Systems Engineer located at our manufacturing facilities in Pico Rivera, California. The Tier II Systems Engineer supports…
Added 13 mins ago
Mechanical Design Engineer, Data Center Design Engineering
Amazon Data Services, Inc.
Seattle, WA
You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with…
Added 13 mins ago
Data Center Infrastructure Engineer Intern, Summer 2027 - East
Amazon Data Services, Inc.
Herndon, VA
…Biggest Selection of products to developing ground breaking software and devices that change entire industries. Amazon is a place of invention and progressive…

Fantom Corporation

Security Engineer (Cross-Functional) - SME

Chantilly, VA, United States

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Job details

Education: Bachelor’s degree
Posting language: English
Posted: Nov 13, 2026

Original job description

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth.

Must possess an active Top Secret Clearance

Must be willing and able to obtain a polygraph

Education: Bachelor’s degree required Experience: Minimum of 10 years of relevant experience

Position Summary

We are seeking a Security Engineer to protect enterprise applications, cloud platforms, networks, and supporting infrastructure. This role combines application security testing, threat monitoring, incident response planning, cyber resiliency, and secure cloud operations.

The engineer identifies vulnerabilities, implements monitoring and alerting capabilities, and safeguards critical data and Internet communications. The position also manages communications security resources, supports compliance activities, and collaborates with industry partners to advise government stakeholders on security risks and recommended improvements.

Responsibilities

• Secure multiple applications and platforms, identifying critical data, vulnerabilities, and potential exposure points.

• Develop and maintain incident response and recovery plans to support cyber resiliency and operational continuity.

• Perform web application and platform security testing, document findings, and recommend corrective actions.

• Design and implement monitoring and alerting capabilities to detect anomalous activity across applications and infrastructure.

• Monitor and correlate security data from multiple systems to support threat detection, investigation, remediation, and continuous improvement.

• Coordinate with industry partners to advise government stakeholders on vulnerabilities and security recommendations.

• Install, operate, maintain, and upgrade secure cloud computing environments, platforms, software, and core infrastructure.

• Build and improve cloud networks and cloud-based systems in accordance with defense-in-depth security policies and governance guidelines.

• Manage communications security (COMSEC) resources consistent with CNSSI 4009 terminology, or serve as a key custodian for a cryptographic key management system (CKMS).

• Protect organizational websites, Internet transactions, confidential order information, and external business-to-business connections.

• Implement and maintain firewall and encryption technologies to protect organizational and customer information.

• Administer user accounts and access permissions, including account updates and deletions.

• Monitor compliance violations, investigate findings, and follow up on corrective actions.

• Develop and maintain security policies, practices, procedures, and guidelines.

Required Qualifications

• Must possess an active Top Secret Clearance

Must be willing and able to obtain a polygraph

• Minimum of 10 years of relevant experience in security engineering, cybersecurity, application security, cloud security, or related technical disciplines.

• Experience securing multiple applications and identifying critical data and vulnerability points.

• Ability to develop incident response and recovery plans.

• Knowledge of cyber resiliency, security planning, and web application and platform security testing.

• Experience designing security monitoring and alerting capabilities and investigating anomalous activity.

• Ability to correlate security data to detect threats, guide remediation, and recommend system improvements.

• Experience operating, maintaining, upgrading, and securing cloud infrastructure, platforms, networks, and software.

• Understanding of defense-in-depth principles and security governance requirements.

• Experience managing COMSEC resources or performing cryptographic key custodial duties.

• Knowledge of firewall technologies, encryption, website security, and secure Internet communications.

• Experience administering user access, addressing compliance violations, and developing security policies and procedures.

• Strong analytical, troubleshooting, and communication skills.

• Ability to explain security findings and recommendations to government stakeholders and industry partners.

#CJ

Fantom Corp is a Software Development, Agile Cloud, Software Development, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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More about this job

Skills

Incident response
Regulatory compliance
Security threats
Process improvement
Cloud computing
Organise information
Cybersecurity
Cleaning
Troubleshooting
Communication skills
ML
Unstructured data
Podcasting

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Work requirements

Jobs in the United States