Senior Product Security Engineer: Build Secure Apps

Optimum; Plano (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Optimum in Plano, TX is seeking a Product Security Engineer focused on application security to partner with engineering and product teams. The role emphasizes secure architecture, threat modeling, risk assessment, and secure SDLC practices across cloud and on‑prem environments.

You will mentor teams, lead security tooling and automation initiatives, and stay ahead of evolving threats while communicating complex concepts to leadership and stakeholders.

Qualifications

• Bachelor’s degree or equivalent; Master’s preferred.
• 5+ years in software engineering and application security.
• Experience securing cloud-based and containerized environments.
• Strong ability to communicate security concepts to leadership.

Responsibilities

• Collaborate with engineering and product teams to integrate security and secure-by-default guardrails into the product lifecycle, ensuring that security is a core consideration in all design and development decisions.
• Conduct Threat Modeling and Risk Assessments from early stages of product development to identify and prioritize risks and enable proactive mitigation.
• Perform rigorous security testing and reviews to uncover weaknesses and address them.
• Lead initiatives automating security processes from the developer workstation to cloud, SaaS, and datacenter environments.
• Design, build, deploy, and support security-focused solutions across cloud and on-premise footprints.
• Foster a security-first culture by educating and empowering teams through training, awareness campaigns, and mentorship.
• Stay updated on latest threats and proactively implement improvements.
• Contribute to incident response efforts and root-cause analysis to minimize impact.

Skills

Security engineering

Threat modeling

Security assessments

Cloud security (GCP)

CI/CD security

NodeJS

Golang

Python

Java

C/C++

Communication skills

Security frameworks (ISO, NIST, OWASP)

Vulnerability management

Education

Bachelor’s degree in Computer Science, Electrical Engineering, a related field, or equivalent professional experience

Master’s degree is a plus

Tools

SAST

DAST

SCA

Fuzzing

Terraform

Docker

Kubernetes

GitLab/GitHub

GCP

AWS

Azure

Job description

Optimum in Plano, TX is seeking a Product Security Engineer focused on application security to partner with engineering and product teams. The role emphasizes secure architecture, threat modeling, risk assessment, and secure SDLC practices across cloud and on‑prem environments.

You will mentor teams, lead security tooling and automation initiatives, and stay ahead of evolving threats while communicating complex concepts to leadership and stakeholders.