Jobs in the United States

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Added 2 mins ago
Machine Learning / Robotics Engineer - Simulation
Marvik
Remote, United States
We’re fully remote, and we expect you to own what you build. That means navigating open-ended problems, explaining trade-offs clearly, and taking responsibility for both implementation and…
Added 3 mins ago
Senior Technical Lead – AI/ML
Marvik
Remote, United States
Required tools: Python, Docker, SQL, Git, Cloud (AWS, OCI, Azure, or GCP).
Added 7 mins ago
J
Senior Engineer, Partner Integrations Platform
Jobgether
Remote, United States
- $145,000 to $160,000 USD / year
Design, develop and maintain scalable data pipelines and integration solutions using technologies such as Python, dbt, Workato, Rivery and Snowflake.
Added 7 mins ago
J
Manager, Commercial Analytics
Jobgether
Remote, United States
- $150,000 to $170,000 USD / year
Added 7 mins ago
Data Architecture & Data Engineering Leader
Jobgether
Remote, United States
Strong hands-on proficiency in SQL and Python, with extensive knowledge of data modeling approaches, including dimensional, layered and medallion architectures.
Added 9 mins ago
Sr. Application Security Engineer
American Express Global Business Travel
Columbia, SC
…Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development experience and security expertise to build, secure, and…
Added 9 mins ago
Lead Software Developer
Lumen
Columbia, SC
As a Lead Software Developer, they design, develop, test, debug, and enhance software solutions of moderate complexity while collaborating across disciplines to bring ideas to life. They…
Added 9 mins ago
Senior Decision Intelligence Engineer
Humana
Columbia, SC
Proficiency in Python 3.x; experience with PyTorch or TensorFlow for policy network or learned model implementation.
Added 9 mins ago
Senior Manager Network Planning
Lumen
Columbia, SC
This is a full time remote/work from home position in the USA. The typical schedule is Monday-Friday 8am-5pm. May require occasional weekends or evenings depending on the needs of the…
Added 9 mins ago
Principal Software Engineer
Lyric
Columbia, SC
10+ years experience using JavaScript, Python, Java, or C#, and expertise in development frameworks and technologies. .NET ecosystem is highly preferred.
Added 13 mins ago
Data Scientist- Remote opportunity
Serco USA
United States
Write clean, efficient, and well-documented code in Python leveraging data science libraries (e.g., pandas, NumPy, scikit-learn, PyTorch, TensorFlow).
Added 18 mins ago
NL
Postdoctoral Researcher – Transportation Digital Twins and High-Performance Simulation
National Laboratory of the Rockies
Golden, CO
- $76,600 to $126,400 USD / year
Proficiency in Python, C/C++, or MATLAB for modeling and data analysis.
Added 18 mins ago
Lead Airborne Systems - Software Engineer IV
University Corporation for Atmospheric Research
Broomfield, CO
Location Type: In Person (Remote Not Available)
Added 18 mins ago
BH
Senior Engineer, Advanced Engineering
Baker Hughes
Boulder, CO
- $106,290 to $197,580 USD / year
Extensive knowledge of structural mechanics, mechanics of materials, fatigue, vibration, finite element analysis, and programming (e.g., Python)
Added 19 mins ago
P&C Product Management Director (Umbrella)
USAA
Colorado Springs, CO
We are proud to support active-duty military spouses. USAA roles may offer remote or hybrid flexibility for active-duty military spouses consistent with applicable policy and business needs.
Added 19 mins ago
Business Strategy Analyst Lead - Pricing and Product Analytics
USAA
Colorado Springs, CO
We are proud to support active-duty military spouses. USAA roles may offer remote or hybrid flexibility for active-duty military spouses consistent with applicable policy and business needs.
Added 19 mins ago
Data Scientist II (Mid Level) - Pricing and Product Analytics
USAA
Colorado Springs, CO
We are proud to support active-duty military spouses. USAA roles may offer remote or hybrid flexibility for active-duty military spouses consistent with applicable policy and business needs.
Added 19 mins ago
Lead Software Developer
Lumen
Denver, CO
As a Lead Software Developer, they design, develop, test, debug, and enhance software solutions of moderate complexity while collaborating across disciplines to bring ideas to life. They…
Added 19 mins ago
Sr. Application Security Engineer
American Express Global Business Travel
Denver, CO
…Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development experience and security expertise to build, secure, and…
Added 19 mins ago
Senior Decision Intelligence Engineer
Humana
Denver, CO
Proficiency in Python 3.x; experience with PyTorch or TensorFlow for policy network or learned model implementation.
Added 41 mins ago
Senior Backend Software Engineer - Kalepa for Operations
Jobgether
Remote, United States
…support complex business workflows. Working primarily with Python and AWS, you will help develop intelligent systems capable of processing massive volumes of unstructured information with…
Added 53 mins ago
Senior Technical Lead Architecture - Enterprise Risk Delivery
Intermedia Group, Inc.
Mc Lean, VA
employees can take advantage of up to 6 remote weeks per year with manager approval.
Added 56 mins ago
Software Engineer (Algorithm) – TRK (26-334)
Northrop Grumman
Huntsville, AL
This position does not provide relocation assistance and requires on-site work with no remote options.
Added 1 hour ago
AI Platform Engineer
Ford Motor Company
Allen Park, MI
2+ years of experience with Python and/or Java.
Added 1 hour ago
Sr. Machine Learning Engineer
TEC Group Inc
Dearborn, MI
…segmentation applied to real-world sensor data. - Expertise in Python with extensive experience in at least one deep learning framework (PyTorch or TensorFlow). - Proven ability to develop…

Closed listing

American Express Global Business Travel

Sr. Application Security Engineer

Concord, NH, United States

$104,300.00 - $193,700.00

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

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Job details

Pay: $104,300.00 - $193,700.00
Posting language: English
Posted: Sep 5, 2026

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Original job description

Archived listing. The details below describe a past opening.

United States

Full time

J-84294

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued.

We are seeking an experienced Senior Application Security Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development experience and security expertise to build, secure, and maintain our cloud-native infrastructure. The ideal candidate will have transitioned from application development into application security, bringing a developer's mindset to security and operations, and will mentor others while helping shape how the organization builds and governs secure software.

What You'll Do

Work with DevOps teams to design, implement, and maintain secure CI/CD pipelines that integrate security testing at every stage of the software development lifecycle
Implement and tune automated security scanning, including SAST, DAST, SCA, and container scanning
Deploy and support API security tools, ensuring findings are consistently reported to a central aggregator
Collaborate with development teams to promote secure coding practices and provide security guidance throughout the development process
Evaluate and help govern the secure use of agentic AI coding tools across engineering teams, establishing guardrails and detection strategies to mitigate risks such as hallucinated dependencies, injected vulnerabilities, and insufficient oversight
Ensure compliance with industry standards relevant to the travel industry, including PCI-DSS, GDPR, and SOC 2
Build KPI and metrics reporting for application security initiatives and present findings to leadership as needed
Mentor junior engineers and promote a security-first culture across engineering teams

What We're Looking For

5+ years of professional software development experience with demonstrable expertise in major programming languages (Python, Go, Java, JavaScript/TypeScript); 3+ years of hands-on application security or DevSecOps experience
Strong knowledge of OWASP Top 10 and related secure coding practices; deep understanding of API security, authentication protocols, and secure API design
Strong cloud security expertise with at least one major cloud service provider (AWS, Azure, or GCP); deep understanding of cloud-native security including IAM, network security, encryption, secrets management, and compliance frameworks
Proficiency with CI/CD tools and practical experience with infrastructure-as-code, containerization, and orchestration technologies; strong understanding of network security
Experience with agentic AI programming (AI-driven code generation and autonomous coding agents); deep understanding of risks including hallucinated dependencies, insecure code injection, and governance gaps; ability to help teams mitigate AI-specific security threats
Experience with threat modeling methodologies and risk assessment frameworks; ability to identify and communicate security risks to technical and non-technical audiences
Knowledge of compliance frameworks including PCI-DSS, GDPR, and CCPA; experience establishing or contributing to governance frameworks and guardrails for safe adoption of agentic AI coding tools
Background in penetration testing or red team operations; knowledge of MLSecOps practices including model security, data pipeline protection, and AI/ML supply chain security
Professional security certifications (CISSP, GIAC, OSCP, AWS Security Specialty, Azure Security Engineer, or similar); multi-cloud experience across AWS, Azure, and GCP
Experience in travel, hospitality, or e-commerce industry; open-source contributions or security research publications demonstrating commitment to the security community

Technical Skills

Programming & Scripting: Three or more languages, such as Python, Go, Java, C#, Ruby, JavaScript/TypeScript, Bash, PowerShell, Swift, Kotlin, Objective-C, or Dart, among others
Cloud Platforms: AWS (EC2, ECS, EKS, Lambda, S3, IAM, CloudWatch, GuardDuty), Azure (VMs, AKS, Functions, Key Vault, Sentinel), or GCP (Compute Engine, GKE, Cloud Functions, IAM, Security Command Center)
Security Tools: SAST/DAST scanners, WAF solutions, SIEM platforms, vulnerability scanners, secrets management tools
AI-Assisted Development: GitHub Copilot, Cursor, Claude Code, or similar agentic coding tools
AI Security Tooling: AI/agentic code security scanners and governance platforms
CI/CD: Jenkins, GitLab CI/CD, GitHub Actions, CircleCI, Azure DevOps
Infrastructure: Terraform, Docker, Kubernetes, Helm, Ansible
Version Control: Git, GitHub, GitLab, Bitbucket

Location

United States

The US national base salary range for this position is from

$104,300.00 - $193,700.00

The national range provided includes the base salary that Amex GBT expects to pay for the role. Actual base salary will be based on factors including the scope and complexity of the role and the successful candidate’s relevant experience, skills, knowledge, and work location.

In addition to base salary, the anticipated range of which is posted above, this role is eligible for a discretionary annual bonus, which rewards participants based on company and individual performance.

For information about our comprehensive US benefits programs and eligibility, please review our Benefits-at-a-Glance document.

Benefits at a glance (https://experience100.ehr.com/LinkClick.aspx?fileticket=CjACTXO3wMk%3d&portalid=66)

The #TeamGBT Experience

Work and life: Find your happy medium at Amex GBT.

Flexible benefits are tailored to each country and start the day you do. These include health and welfare insurance plans, retirement programs, parental leave, adoption assistance, and wellbeing resources to support you and your immediate family.
Travel perks: get a choice of deals each week from major travel providers on everything from flights to hotels to cruises and car rentals.
Develop the skills you want when the time is right for you, with access to over 20,000 courses on our learning platform, leadership courses, and new job openings available to internal candidates first.
We strive to champion Inclusion in every aspect of our business at Amex GBT. You can connect with colleagues through our global INclusion Groups, centered around common identities or initiatives, to discuss challenges, obstacles, achievements, and drive company awareness and action.
And much more!

All applicants will receive equal consideration for employment without regard to age, sex, gender (and characteristics related to sex and gender), pregnancy (and related medical conditions), race, color, citizenship, religion, disability, or any other class or characteristic protected by law.

Click Here (https://explorer.amexglobalbusinesstravel.com/rs/346-POJ-129/images/Additional%20Disclosures%20in%20Accordance%20with%20the%20LA%20County%20Fair%20Chance%20Ordinance.pdf?version=2) for Additional Disclosures in Accordance with the LA County Fair Chance Ordinance.

Furthermore, we are committed to providing reasonable accommodation to qualified individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the hiring process. For details regarding how we protect your data, please consult the Amex GBT Recruitment Privacy Statement (https://www.amexglobalbusinesstravel.com/gbt-recruitment-privacy-statement/) .

What if I don’t meet every requirement? If you’re passionate about our mission and believe you’d be a phenomenal addition to our team, don’t worry about “checking every box;" please apply anyway. You may be exactly the person we’re looking for!

Click Here to Learn More (https://www.amexglobalbusinesstravel.com/careers/)

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