Senior Security Engineer - Proxy & Cloud Security Platform

Truist•Atlanta, GA

8d•$120,000 - $150,000•Onsite

About The Position

The Senior Security Engineer on the Proxy Team is responsible for evolving and sustaining the enterprise secure access platform to meet a rapidly changing security landscape driven by AI, cloud-native architectures, and advanced threat techniques. This role focuses on modernizing internet access and traffic control capabilities, integrating next-generation security features, and leveraging automation to improve visibility, security posture, scalability, and operational efficiency across the enterprise. The role also ensures consistent policy enforcement across encrypted, non-HTTP, and real-time traffic patterns. This position is onsite, office-centric (5 days a week), based in a Truist core location: North Carolina: Charlotte/Raleigh Georgia: Atlanta.

Requirements

Bachelor’s degree or equivalent education, training, and work-related experience.
Minimum of 7 years of experience in security engineering or related cybersecurity roles.
Deep specialized knowledge in cybersecurity principles, theories, and concepts.
Proven experience in software development lifecycle security practices.
Deep knowledge of threat modeling, security testing, and penetration testing.
Experience implementing and managing complex information security technologies.

Nice To Haves

Strong cybersecurity engineering background with expertise in proxy, firewall, and network security, including advanced traffic routing, tunneling, and secure forwarding architectures (DLP, GRE, IPSec, PAC).
Hands-on experience engineering and operating cloud-delivered security platforms, including Zscaler, with a deep understanding of Zero Trust (SSE/ZTNA) architectures.
Expert-level troubleshooting in complex enterprise environments with experience in log analysis and monitoring tools (e.g., Splunk).
Experience with modern identity and access integrations, including Entra ID (Azure AD), SAML, SSO, and SCIM.
Proficiency in automation and platform engineering using Python, PowerShell, APIs, orchestration frameworks, GitLab SaaS, and CI/CD or Infrastructure-as-Code practices.
Experience integrating security platforms (e.g., CrowdStrike) and enterprise systems such as ServiceNow.
Knowledge of Microsoft 365 network optimization and traffic handling (proxy vs bypass), including TLS inspection strategies, certificate management, and encrypted traffic visibility challenges.
Familiarity with modern internet protocols (HTTP/2, HTTP/3, QUIC, WebSockets) and their impact on security controls and user experience.
Experience with security policy governance, compliance, or Network Security Policy Management (NSPM) tools.
Exposure to AI/ML security or data inspection use cases.
CISSP or equivalent certification and experience working in Agile delivery models.

Responsibilities

Lead the design, implementation, and continuous improvement of the enterprise secure access platform, ensuring alignment with emerging threats, AI-driven workloads, and evolving business requirements.
Design and govern traffic steering strategies, including proxy, bypass, and direct-to-cloud patterns, ensuring optimal handling of Microsoft 365, real-time, and non-HTTP traffic flows.
Drive adoption of advanced and emerging security capabilities that modernize the platform and enable rapid response to evolving business and threat landscape demands.
Evaluate, test, and integrate new security features and technologies through proof-of-concept (POC) and proof-of-value (POV) initiatives.
Architect and implement automation to eliminate manual tasks, improve operational consistency, and increase team efficiency using scripting, APIs, and orchestration tools.
Develop automation and policy-as-code approaches for the enterprise secure access platform configuration management, enabling consistent deployment, validation, and compliance enforcement across environments.
Perform threat modeling and security design reviews across application and network architectures, with emphasis on cloud, SaaS, AI-enabled environments, and emerging protocols such as HTTP/3 and QUIC.
Evaluate the impact of encrypted traffic, TLS inspection, and modern protocols on security controls and user experience.
Provide expert-level operational support and troubleshooting for secure web gateway and cloud-delivered security platforms, including analysis of encrypted, proxied, and non-proxied traffic flows.
Lead medium-complexity initiatives and projects while coordinating with cross-functional partners to deliver scalable security solutions.
Mentor junior engineers and provide technical guidance to promote platform maturity and operational excellence.
Serve as a technical leader and delegated team lead as required, supporting system documentation, approvals, attestations, and audits.
Provide leadership in complex, multi-disciplinary and cross-functional troubleshooting meetings, including ownership and the ability to drive resolution.