Senior Cybersecurity – Endpoint Security, Infrastructure Security

AT&T

Senior Cybersecurity expert at AT&T managing endpoint and infrastructure security solutions. Leading deployments, integrations, and incident response strategies to enhance resilience and effective protection.

Posted 6/10/2026full-timeHyderabad • 🇮🇳 IndiaSeniorWebsite

Tech Stack

Tools & technologies

AzureCitrixCyber SecurityIoTKubernetesLinuxMacOSPythonVMware

About the role

Key responsibilities & impact

Architect and Lead SentinelOne Deployments: Design and implement SentinelOne, Proofpoint, Guardicore, VPN and DLP security solutions for a wide range of infrastructure and endpoints, ensuring scalable, resilient, and effective protection.
Integration & Automation: Integrate with other security solutions and automation using APIs.
Security Policy Management: Define, optimize, and enforce security policies.
Threat Detection & Incident Response: Collaborate with SOC and IR teams to tune detections and assist in the response to threats.
Cross-Platform Expertise: Provide deep technical expertise in handling endpoint security for heterogeneous systems.
Technical Leadership & Documentation: Serve as the subject matter expert and produce architectural diagrams and best practices guides.
Collaboration & Training: Partner with IT, DevOps, and security teams and provide training on security tools and hygiene.
Continuous Improvement: Stay updated on emerging threats and recommend enhancements.

Requirements

What you’ll need

Minimum 10+ years in cybersecurity roles, with at least 4-6 years architecting and supporting large-scale endpoint and infrastructure protection platforms (preferably SentinelOne, Proofpoint, Guardicore, VPN and DLP).
Operating system and Infrastructure Proficiency: Experience with Linux (multiple distros), MacOS and Windows server/client administration.
Knowledge of Virtual desktop infrastructure (VMware, Citrix, Azure Virtual Desktop).
Knowledge of Kubernetes and application deployment.
Security Frameworks: Familiarity with NIST, CIS, MITRE ATT&CK, and other security standards.
Automation and coding: PowerShell, Bash, Python; CI/CD (GitHub/GitLab/Azure DevOps); API integration skills.
Experience with the Singularity platform (EPP/EDR/XDR) is preferred.
Familiarity with OT/IoT discovery and segmentation; network isolation strategies for branch and edge.
Certified in Engineering and Administration areas of SentinelOne, Proofpoint, Guardicore, VPN and DLP, is highly desirable.
Excellent analytical and problem-solving skills, be self-motivated and work independently.
Sense of urgency and attention to detail.
Should be flexible to work on weekends.
Should be flexible to provide coverage in US morning hours.
Bachelor’s / Master's degree in Information Systems, Engineering, Mathematics. Computer Science or Cyber Security or equivalent experience.

Benefits

Comp & perks

Equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law.
Reasonable accommodations for qualified individuals with disabilities.
Fair chance employer that does not initiate a background check until an offer is made.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SentinelOneProofpointGuardicoreVPNDLPLinuxMacOSWindowsPowerShellPython

Soft Skills

analytical skillsproblem-solving skillsself-motivatedattention to detailflexibility

Certifications

SentinelOne certificationProofpoint certificationGuardicore certificationVPN certificationDLP certification