Senior Security Engineer - Email & Endpoint Protection

Who are we?Equinix is the world's digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet.A place where tech thinkers and future builders turn bold ideas into breakthrough experiences, we welcome your unique perspective.Help us challenge assumptions, uncover bias, and remove barriers-because progress starts with fresh ideas. You'll find belonging, purpose, and a team that welcomes you-because when you feel valued, you're empowered to do your best work.Job SummaryOrganizations today demand Email Security experts who can protect enterprise email systems against phishing, malware, and data breaches.Equinix is looking for senior-level email security engineer in that area.At Equinix, a "Senior Information Security Engineer" role encompasses email security as part of a broader InfoSec remit. Equinix, a global digital infrastructure company, expects this senior engineer to design, implement, and maintain security solutions across endpoints, web, and email.ResponsibilitiesEmail Security Tool Ownership - Implement and manage enterprise email security platform configurations. Align settings with best practices and current threat landscape; adjust filtering rules to block phishing and malwareEmail Authentication & Trust (SPF, DKIM, DMARC enforcement; sender trust) serve as a primary owner for InfoSec technologies and ensures they are operating effectivelyThreat Detection & Response Integration - Continuously monitor email traffic for suspicious patterns. Investigate alerts in real time and respond to email-borne threats immediately to minimize impact. Perform regular audits of email security settings to find and fix vulnerabilities before incidents occurLifecycle Management & Best Practices - Follow a structured approach to security tech: Plan, Design, Deploy, Operate, Optimize email security solutions in line with the Information Security Systems Development Lifecycle. This ensures continuous improvement and up-to-date defenses for email and other systemsCollaboration and Guidance - Work closely with IT, network, and application teams to provide guidance and best-practice solutions for security issues. The role involves mentoring others and coordinating efforts to implement security controls effectivelyAutomation and Innovation - Develop scripts and Security Orchestration, Automation, and Response (SOAR) solutions to automate repetitive security tasks. Equinix specifically notes coding for automation (in Python, PowerShell, etc.) as part of the duties, highlighting innovation in improving security operationsQualifications5+ years in InfoSec, with 2+ years specifically in email security engineering/operations. Senior specialist in messaging securityPreferably bachelor's in computer science/engineering or related field (or equivalent experience)Requires proficiency in enterprise email security platforms (could be Microsoft 365, Proofpoint, or others) to detect and block threatsEmail Auth: Strong knowledge of DMARC, SPF, DKIM and their role in preventing spoofing.Endpoint Security: Deep experience with Endpoint Detection & Response tools, agent deployment, etc.Strong grasp of email routing and SMTP protocols, TLS encryption for email, etc. as part of troubleshooting mail flow. General network security understanding (firewalls, etc.) to see email in contextScripting and automation skills (Python, PowerShell, Bash) to build or improve services considered as advantageAbility to apply security principles, communicate clearly, and exercise good judgment regarding confidentiality and integrity of data The targeted pay range for this position in the following location is / locations are:United States - Dallas Infomart Office DAI : 136,000 - 204,000 USD / AnnualOur pay ranges reflect the minimum and maximum target for new hire pay for the full-time position determined by role, level, and location.The pay range shown is based on our compensation structure in place at the time of posting and may be updated periodically based on business needs. Individual pay is based on additional factors including job-related skills, experience, and relevant education and/or training.The targeted pay range listed reflects the base pay only and does not include bonus, equity, or benefits. Employees are eligible for bonus, and equity may be offered depending on the position.Equinix BenefitsAs an employee, you become important to Equinix's success. We ensure all your benefits are in line with our core values: competitive, inclusive, sustainable, connected and efficient. We keep them competitive within the current marketplace to ensure we're providing you with the best package possible. So, wherever you are in your career and life, you'll be able to enhance your experience and bring your whole self to work.Employee Assistance Program: An Employee Assistance program is available to all employees.US Benefits: - Insurance: You may enroll in health, life, disability and voluntary plans that are designed for you and your eligible family members. - Retirement: You and Equinix may contribute to a retirement plan to help you plan for your financial future. - Paid Time Off (PTO) and Paid Holidays: You will receive an accrued amount of PTO each pay period along with various paid holidays for you to rest and recharge. Eligibility requirements apply to some benefits. Benefits are subject to change and may be subject to specific plan or program terms.Equinix is committed to ensuring that our employment process is open to all individuals, including those with a disability. If you are a qualified candidate and need assistance or an accommodation, please let us know by completing this form.Equinix is an Equal Employment Opportunity and, in the U.S., an Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to unlawful consideration of race, color, religion, creed, national or ethnic origin, ancestry, place of birth, citizenship, sex, pregnancy / childbirth or related medical conditions, sexual orientation, gender identity or expression, marital or domestic partnership status, age, veteran or military status, physical or mental disability, medical condition, genetic information, political / organizational affiliation, status as a victim or family member of a victim of crime or abuse, or any other status protected by applicable law.We use artificial intelligence in our hiring process. Learn more here. Apply tot his job Apply To this Job