Senior Cybersecurity Engineer

The TeamWe are seeking a Senior Cybersecurity Engineer to join American Tower’s Information Security team. The team protects the confidentiality, integrity, and availability of data and systems in core systems and platforms. As a Senior Cybersecurity Engineer, your daily responsibilities revolve around vigilantly monitoring all security activities on the company’s network and overseeing the robust security infrastructure that facilitates these operations. Working in tandem with a team of cybersecurity engineers, you will spearhead efforts to prevent and remediate cybersecurity incidents through continuous optimization of policies and rules.As a senior technical member of the team, you'll play a crucial role in fostering cross-functional partnerships, particularly with the IT department and product groups. You will provide robust support and implement stringent security measures across global platforms, ensuring that solutions remain fortified against evolving cyber threats while seamlessly integrating with the company’s objectives. American Tower is a global digital infrastructure company serving customers through tower sites and other real estate solutions that support connectivity and opportunity, focused on achieving our vision of Building a More Connected World. Our success is rooted in the potential of our people and the power of local teams at our offices and sites across 25 countries. We are one of the largest global Real Estate Investment Trusts (REITs) and a publicly traded (NYSE:AMT), Fortune 500 Company headquartered in Boston, Massachusetts. The next decade will be an exciting time as we evolve our infrastructure to meet tomorrow’s needs and position our people to elevate their impact, their potential, and our shared success. Come grow your career with us! For more information about how American Tower is building a more connected world, visit americantower.com American Tower is proud to be an equal opportunity employer and will not discriminate against an applicant or employee based on age, sex, sexual orientation, gender identity, race, color, creed, religion, national origin or ancestry, citizenship, marital status, familial status, disability, military or veteran status, genetic information, pregnancy, reproductive decisions, or any other characteristic protected under applicable law. American Tower is committed to fair and equitable compensation practices. Placement within the salary range is based on a variety of factors, including relevant experience, skills, certifications, job level, and location. For U.S.-based candidates only, please see the base salary range for this position listed below. This position is also eligible for annual bonus, and annual equity award and participation in the Employee Stock Purchase Plan (ESPP). For candidates outside of the U.S., salary and benefits are based upon local market practice.American Tower also offers a comprehensive benefits package, which includes healthcare coverage, a 401(k) savings plan, paid time off, company holidays, sick leave, parental leave, and access to an Employee Assistance Program focused on mental and financial wellness, please click here to learn more.What You Need to SucceedBachelor’s degree or equivalent experience required.5+ years of security engineering, SecOps, Data Loss Protection, event management, security monitoring, and risk-based alerting experience highly desired.Proven cyber security experience with Identity, Firewall, Cloud, and SIEM tools (e.g., Microsoft Azure, Okta, Duo, Palo Alto, Fortinet, Zscaler, Windows Defender, OCI, Sentinel).Strong ability to convey complex information risk and security issues in a manner easily understood and actionable and that constructively challenges prevailing thoughts and processes.Good judgment, a sense of urgency, and a commitment to high standards of ethics, regulatory compliance, customer service, and business integrity.Automation tool or scripting experience, such as Ansible, Python, and/or PowerShell, preferred.Strong written and oral communication skills, including the ability to present ideas and suggestions clearly and effectively.Ability to work with different functional groups and levels of employees to effectively and professionally achieve results.Strong organizational skills; ability to accomplish multiple tasks within the agreed upon timeframes through effective prioritization of duties and functions in a fast-paced environment.Approximately 5% travel may be required to support of position’s responsibilities.What You Can Offer UsDesign, implement, and manage enterprise-grade firewall solutions, including next-generation firewall, to enforce network security policies and protect against advanced threats. Configure and deploy security tools and technologies specific to cloud environments, such as cloud access security brokers, web application firewalls, and cloud-native security services. Architect and deploy secure access service edge solutions integrating security capabilities for the comprehensive protection of distributed networks and remote users. Implement and optimize centralized identity and access management systems, ensuring secure access to resources and data and adhering to least privilege principles. Utilize Microsoft Security Suite tools for threat detection, investigation, and response across on-premises and cloud environments. Develop and implement cybersecurity policies aligned with industry best practices and regulatory requirements, fostering continuous improvement. Conduct security assessments, identify vulnerabilities, and recommend remediation measures to enhance overall security posture. Communicate complex security concepts effectively, collaborating with cross-functional teams and stakeholders to drive security initiatives. Other duties as assigned. Posting Date: 2026-08-12