Senior Principal Engineer, Product Software

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 Summary As a Senior Principal Engineer within the Core Product Services organization, you will lead and shape the engineering vision for horizontal platform services and tooling across the organization. The role focuses on full‑stack software architecture, infrastructure, and developer productivity across on‑prem and cloud environments. You will help drive engineering maturity and operational excellence across platforms and applications, while influencing teams through technical leadership and collaboration. This role requires deep experience with large‑scale systems, DevSecOps, and modern infrastructure. Responsibilities Set and model a high bar for technical excellence, fostering a culture of quality, innovation, transparency, and continuous improvement Lead the adoption and evolution of platform engineering, infrastructure, and DevSecOps practices Champion developer productivity and experience, including the vision for internal developer platforms Partner with product and engineering teams to define and evolve full‑stack development practices aligned with business strategy and growth Provide architectural leadership through collaboration and influence to ensure scalable, coherent platforms and clear boundaries between platform and application responsibilities Collaborate cross‑functionally to integrate risk awareness and operational resilience into the development lifecycle Mentor and guide principal and senior principal engineers, supporting growth, alignment, and technical excellence Requirements Leadership & Experience Demonstrated ability to inspire, influence, and lead high‑performing engineering teams Inclusive leadership approach with strong collaboration and communication skills 10+ years of software engineering experience, including significant technical leadership Proven success designing, building, and operating large‑scale platforms Technical Expertise Strong experience in full‑stack software architecture and modern infrastructure Deep knowledge of DevSecOps, including automation, CI/CD, containerization, cloud infrastructure, and AI‑enabled workflows Solid understanding of software engineering fundamentals and problem‑solving principles Experience designing and operating APIs, with familiarity with Kubernetes and identity technologies Experience with frontend technologies and an understanding of tradeoffs in an API‑first architecture Strong experience with Go and/or Java, and the ability and desire to learn new technologies Experience applying AI agents in software development environments to improve engineering efficiency or quality Education & Professional Background Strong foundation in software engineering and computer science principles demonstrated through professional experience, education, training, or equivalent practical expertise The targeted pay range for this position in the following location is / locations are: United States - CA Bay Area : 240,000 - 360,000 USD / Annual United States - CA Non-Bay Area, AK, CT, DC, IL, MD, MA, NJ, NY, VA, WA : 220,000 - 330,000 USD / Annual United States - Other posted locations not specifically listed : 200,000 - 300,000 USD / Annual Poland (Masovian) : 340,000 - 562,000 PLN / Annual Poland (Outside of Masovian) : 308,000 - 510,000 PLN / Annual Our 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 Benefits As 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. Core Benefits - Pension: You will be enrolled in the employee capital plan or pension, known as PPK, a contributory pension scheme for you and your employer to save funds intended for withdrawal on retirement. Private Medical Insurance: You may enroll yourself and eligible dependents in Private Medical Insurance (PMI) for greater choice, flexibility, and access to specialist care for short-term illness or injury and so on. Life and Accident Insurance: Equinix provides Life and Accident Insurance cover for its employees which you can enroll in. Other Benefits and Perks - Employees have the option to select and use from a wide range of other benefits including: Annual Leaves, Flex Wallet (flexible spending account), Multi-sport Card, Lunch Pass Card, Discount Portal, statutory allowances and reimbursements (remote working, corrective glasses reimbursement), and paid and unpaid leaves in line with local market practices and regulatory requirements. More details on eligibility and rules for leaves are in Equinix's HR policies. Eligibility and contribution requirements apply to some benefits, in line with company policy. Benefits are subject to specific plan/program or insurer terms and conditions, including changes at Equinix's discretion. Equinix will be compliant will regulatory requirements on benefits and leaves. 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 .