Senior Threat Modeler

Apptad Inc; Jersey City (NJ); On-site; USD 90,000 - 150,000; Full time

Job summary

Apptad Inc is seeking a cybersecurity-focused developer to model threats, build secure Python applications, and drive SDLC compliance within an agile DevOps team. You will contribute to automation, threat mitigation, and architecture reviews while collaborating across engineering and security groups.

The role emphasizes Python (FastAPI), CI/CD, IaC (Terraform/CloudFormation), and containerized deployments with Docker/Kubernetes in a modern cloud environment.

Qualifications

• 2–5 years of experience in several cybersecurity areas.
• Minimum of 4 years Cybersecurity/Information Security experience.
• Strong knowledge of threat modeling and secure SDLC practices.

Responsibilities

• Threat modeling using documented processes.
• Develop automation tools as required.
• Maintain high standards for threat identification and mitigating controls.
• Deliver threat models and tasks within timelines.
• Provide feedback and improvements to threat modeling process.
• Present work to seniors and technical teams.
• Develop, test, and deploy secure Python-based applications per SDLC.

Skills

Threat Modeling

Python

FastAPI

Pytest

CI/CD

Terraform

CloudFormation

Docker

Kubernetes

SDLC

OWASP

CWE

DevOps

GitHub

Databricks

Tools

Terraform

CloudFormation

Snowflake

MongoDB

Databricks

GitHub

Job description

Job Description

Must Have Technical/Functional Skills

Technical skills

Expected to have two to five years of experience in several of the following:

• IT experience minimum of 6 years with minimum of 4 years Cybersecurity/Information Security must have.
• Threat Modeling (STRIDE, PASTA, Attack trees, tooling, Att&ck) must have demonstrated experience.
• Experience working in a cybersecurity role must have.
• Security practices pertaining to authentication, authorization, logging/monitoring, encryption, infrastructure security, network/segmentation must have.
• Scripting languages, Infrastructure as Code (Terraform, CloudFormation) must have.
• Jira or other ticketing systems must have.
• Design and review technical architectures must have.
• Strong proficiency in Programming Languages, with a preference for Python (asynchronous programming), and FastAPI (must have).
• Unit Testing: Developing and executing unit tests using frameworks like Pytest to ensure code quality (must have).
• Ensure all software platforms adhere to Citi's security standards and Software Development Life Cycle (SDLC) processes (must have).
• Identifying vulnerabilities using CWE or OWASP.
• Operating systems and their hardening.
• Development concepts (such as: CICD, Pipelines, SDLC).
• Cloud Development Kit (CDK), GitOps.
• Operating in a DevOps / agile team structure.
• Understanding of docker/K8S/serverless/helm.
• Support or perform pen testing.
• Snowflake/MongoDB/Terraform Cloud/GitHub/Databricks.
• Karat Assessment (Python focus) is required for consideration.

Roles & Responsibilities

• Threat Modeling using a documented process.
• Development of automation tools as required.
• Maintain a high standard of work in identifying threats and specifying mitigating controls.
• Attending to the lifecycle of identified threats and controls.
• Delivery of threat models and supporting tasks within existing timeframes.
• Provide feedback, support, and improvements to the existing threat modeling process.
• Present work to seniors, the team, and other technical teams.
• Work with little supervision to complete work
• Develop, test, and deploy secure and efficient Python-based applications, adhering to established SDLC processes and quality standards.