Operating System Engineer Jobs in California (NOW HIRING)

Senior System Engineer

Location: San Francisco, CA | San Jose, CA | Los Angeles, CA | San Diego, CA | Sacramento, CA | Seattle, WA | Portland, OR |(West Coast Preferred)

Your Role

Reporting to the Manager, IT System Operations, the (Senior) System Engineer is responsible for maintaining, monitoring, and optimizing Digital Realty's global systems infrastructure to ensure availability, performance, compliance, and security. This role supports both on-premises and cloud-based environments, drives operational excellence through automation and tooling, and partners with teams across the business to deliver reliable and scalable technology solutions. At the senior level, the position also provides technical leadership, mentorship, and guidance to engineers within the region while supporting critical infrastructure initiatives across the enterprise.

What You'll Do

• Maintain and support global IT systems infrastructure to ensure high availability, reliability, and performance.
• Deploy, manage, and optimize Microsoft Windows, VMware, Azure, AWS, and hybrid infrastructure environments.
• Manage infrastructure lifecycle activities, including operating system upgrades, patching, hardware refreshes, and technology modernization initiatives.
• Maintain backup, disaster recovery, and business continuity solutions to ensure data integrity and recoverability.
• Monitor infrastructure health and proactively identify, troubleshoot, and resolve performance, capacity, and operational issues.
• Ensure compliance with IT policies and security standards, including patching, anti-virus controls, vulnerability remediation, operating system updates, and system hardening.
• Conduct vulnerability assessments and remediate findings within established service level agreements (SLAs).
• Evaluate, implement, and maintain infrastructure management, automation, monitoring, and reporting tools to improve operational efficiency.
• Provide systems engineering expertise for business initiatives, audits, infrastructure projects, architecture reviews, and technical assessments.
• Participate in an after-hours on-call rotation and provide support for critical incidents and operational needs.

What You'll Need

• Bachelor's degree in Information Technology, Computer Science, or a related field; or equivalent combination of education and 5+ years of relevant experience.
• Strong experience administering Microsoft technologies, including Windows Server, Azure, Active Directory, and enterprise systems management.
• Strong knowledge of VMware infrastructure and virtualized environments.
• Experience supporting cloud platforms, including Azure and AWS.
• Experience supporting storage technologies, including SAN infrastructure.
• Understanding of infrastructure security, vulnerability management, patch management, compliance frameworks, and risk management practices.
• Microsoft certification required; VMware Certified Professional (VCP) certification preferred.
• Experience working in complex international and multi-vendor environments.
• Excellent communication, collaboration, and stakeholder management skills.

• Strong analytical, organizational, problem-solving, and critical-thinking abilities with a proactive and quality-focused approach.

A Bit About Us

Digital Realty brings companies and data together by delivering the full spectrum of data center, colocation and interconnection solutions. PlatformDIGITAL, the company's global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx) solution methodology for powering innovation and efficiently managing Data Gravity challenges. Digital Realty gives its customers access to the connected data communities that matter to them with a global data center footprint of 300+ facilities in 50+ metros across 25+ countries on six continents.

To learn more about Digital Realty, please visit digitalrealty.com or follow us on LinkedIn and Twitter.

A Bit About Our Team

IT

Our IT team is at the heart of our business. We develop infrastructures, design and build networks, support servers and provide the first line of support by delivering rich connectivity for our customers. With new data centers coming online all the time, it's a rapidly changing technical environment so our team is always ready to innovate and take the lead on projects. We constantly develop, deploy and support vital networks and data services that drive business performance and improve life for customers around the globe.

What We Can Offer You

Our rapidly evolving business sector offers the opportunity to be part of a courageous and passionate team who work together to understand and meet the changing needs of our global customers.

Join us and you'll be part of a supportive and inclusive environment where you can bring your whole self to work. As part of our team, you'll get to work with people from different business areas, challenge the way we do things, and put your ideas into action. We'll also give you plenty of development opportunities so you can build a rewarding and successful career with us.

Apply today, take charge of your career and grow your talents with us.

Training and Development

Join our IT team and gain the support to succeed from day one. Our onboarding program prepares you to contribute meaningfully right away, with clear career pathways and continuous training to fuel your long-term growth. From onboarding to specialized development, we equip you with the skills and opportunities to make a lasting impact.

Health and Safety

Safety isn't just a priority here at Digital Realty; it's critical to everything we do. Safeguarding lives, protecting assets, and securing data aren't just ideals, they're essential pillars of our commitment to excellence for our people, our partners, and our customers. We have a culture of care where every member of Team Digital embraces a relentless pursuit of working safely across Digital Realty. Together we are Safely Powering Progress.

Our Compensation Philosophy

Digital Realty offers its employees a highly competitive compensation package, excellent benefits, and an environment that recognizes and rewards your contributions. Central to our compensation philosophy is rewarding our employees for achieving the values and objectives aligned to the company's overall goals and values.

Compensation Range

Our published pay ranges reflect the minimum and maximum target for new hire pay for the full-time position determined by role, level, and geographical location. Individual pay is based on additional factors including but not limited to job-related skills, experience, and relevant education and/or training. Moreover, an employee's total compensation package varies by role and may include salary, cash bonus, or equity awards not quantified below.

Compensation Range: $120,000 - $140,000 annually. This compensation range represents the Company's good faith belief as to what it will pay as a base salary for this position at the time of this posting.

Benefits: For this role, benefits include medical, dental, vision, life and AD&D insurance, 401(k) match, disability benefits, wellness and education benefits, employee stock purchase plan, paid time off, holidays, and more.