Senior Product Security Engineer - Apps

Requisition
12582
-Posted
10/15/2026

- IT Architecture & Data Mgmt

- Telecommunications

- USA.TX.Plano-Granite Pkwy

We are Optimum, a leader in the fast-paced world of connectivity, and we're seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation. Connectivity is no longer a luxury, but a necessity. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected.

Our successes, now and in the future, are powered by our amazing product, a commitment to our people and culture, and the connections we make in our communities.

If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!

The Product Security organization helps Optimum move faster, securely. We’re a team of engineers who work to enable other teams to build products as quickly as possible while continuing to protect our customers. We support developers in shipping secure code by building security tools and services, providing security training and expertise, and advocating for best practices in authentication, authorization, and safe data handling across the company.

As a Product Security Engineer focusing on application security, you'll be a trusted partner, collaborating closely with engineering and product teams to ensure security is a cornerstone of every product. You will partner with leadership to shape product strategy, advocate for strong security controls, and influence future product iterations. By leveraging your deep industry knowledge, you'll lead the charge in implementing secure architecture and design principles, ensuring early detection and prevention of vulnerabilities.

Your expertise in security assessments and software engineering will help identify and mitigate potential threats, while your mentorship and training efforts will foster a security-first culture.

• 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 the early stages of the product development lifecycle to identify, assess, and prioritize security risks, enabling proactive mitigation strategies.
• Perform rigorous security testing and reviews to uncover and address security weaknesses.
• 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 engineering and product teams through training, awareness campaigns, and mentorship, cultivating a strong security mindset.
• Stay updated on the latest security threats, vulnerabilities, and technology trends, and proactively implement improvements.
• Contribute to incident response efforts, investigate root causes, and implement corrective actions to minimize impact and prevent future occurrences.

• Bachelor’s degree in Computer Science, Electrical Engineering, a related field, or equivalent professional experience. Master’s degree is a plus.
• 5+ years of combined hands‑on experience in software engineering and application and infrastructure security, including securing cloud‑based and containerized environments.
• Demonstrable experience with product and application security concepts, including API, web, and mobile app security.
• Excellent communication skills, both written and verbal, and the ability to communicate complex security concepts to…