Software QA Engineer 1

DGN Technologies; Berkeley Lake (GA); On-site; USD 110,000 - 170,000; Full time

Job summary

DGN Technologies is seeking a Senior Security Test Engineer in the Atlanta area to design and execute cybersecurity test plans aligned with product requirements and architecture. You will validate cloud environments (AWS, GCP, Azure), APIs, IoT devices, and network communications, and collaborate with DevOps and dev teams to remediate vulnerabilities, producing clear risk assessments.

Strong Python automation, TLS/SSL expertise, and experience with Burp Suite, Wireshark, and container tech are

Qualifications

• Bachelor’s degree in Computer Science or equivalent experience.
• Strong knowledge of cybersecurity principles, tools, and methodologies.
• Deep understanding of TLS/SSL, PKI, and certificate management.
• Strong experience with Python scripting for automation and testing.
• Experience with cloud platforms (AWS, GCP, Azure) and secure architecture.
• Strong understanding of networking fundamentals (TCP/IP, DNS, HTTP/S).
• Experience with Linux and Windows environments.
• Experience with API testing, traffic interception, and debugging tools.
• Proven ability to independently troubleshoot complex systems.
• Excellent written and verbal communication skills.

Responsibilities

• Develop and execute cybersecurity test plans based on product requirements, architecture, and design specifications.
• Perform security validation across cloud environments (AWS, GCP, Azure), backend services, APIs, and IoT edges.
• Analyze network traffic and troubleshoot security issues using tools such as Wireshark, OpenSSL, and proxy frameworks.
• Perform API security testing, traffic interception, and replay analysis using Burp Suite or Fiddler.
• Validate secure communication protocols including TLS 1.2/1.3 and certificate-based authentication (mTLS).
• Collaborate with development, DevOps, and security teams to identify and remediate vulnerabilities.
• Document test results, defects, and risk assessments clearly and effectively.

Skills

Python scripting

Cybersecurity principles

Cloud platforms

Networking fundamentals

Communication skills

Education

Bachelor's degree in Computer Science or equivalent

Tools

Wireshark

OpenSSL

Burp Suite

Fiddler

Docker

Kubernetes

Job description

Description:

Min 3 days a week from office

with Bachelors min 8 years of experience required and min 10 Years if candidate has certification/no degree.

Key Responsibilities

Develop and execute cybersecurity test plans based on product requirements, architecture, and design specifications

Perform security validation across:

Cloud environments (AWS, Google Cloud Platform, Azure)

Backend services and APIs

Connected/IoT devices and endpoints

Analyze network traffic and troubleshoot security issues using tools such as Wireshark, OpenSSL, and proxy frameworks

Perform API security testing, traffic interception, and replay analysis using tools such as Burp Suite or Fiddler

Validate secure communication protocols, including TLS 1.2/1.3 and certificate-based authentication (mTLS)

Collaborate with development, DevOps, and security teams to identify and remediate vulnerabilities

Document test results, defects, and risk assessments clearly and effectively

Required Qualifications

Bachelor’s degree in Computer Science or equivalent experience

Strong knowledge of cybersecurity principles, tools, and methodologies

Deep understanding of TLS/SSL, PKI, and certificate management

Strong experience with Python scripting for automation and testing

Experience with cloud platforms (AWS, Google Cloud Platform, Azure) and secure architecture principles

Strong understanding of networking fundamentals (TCP/IP, DNS, HTTP/S)

Experience with Linux and Windows environments

Experience with API testing, traffic interception, and debugging tools

Proven ability to independently troubleshoot complex systems

Excellent written and verbal communication skills

Preferred Qualifications

Experience with IoT, embedded systems, or connected devices (medical device experience a strong plus)

Familiarity with Microsoft Endpoint Manager (Intune, MECM)

Experience with containerized environments (Docker, Kubernetes)

Experience with DevSecOps tools and CI/CD pipelines

Familiarity with security assessment tools (ScoutSuite, Prowler, Snyk, etc.)

Experience with test management tools (Jira, Xray)

Understanding of regulatory environments (medical device design controls is a plus)