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IT Infrastructure Engineer III

Job DescriptionJob Description

ABOUT PROMETHEUS

Founded in 1965, Prometheus is the largest privately held owner of apartments in the San Francisco Bay Area, with a portfolio of over 13,000 apartments in the Silicon Valley, Portland and Seattle regions. We invest in real estate long-term and the focus on enduring quality drives every element of what we do - from our selection of locations, to design decisions, reinvestments into our Neighborhoods and our operating strategy.

We are proud to be a Certified B Corporation, part of a group of companies that meets the highest standards for using business as a force for good. We have more than 500 Prometheans, and have a home office in San Mateo, with satellite offices in Portland, Oregon, and in the Bay Area. We are a vertically integrated company with four main core competencies in-house: acquisitions/investments, development, value-add renovations, and operations/property management. Prometheus has a long history of award-winning approaches to what we do, receiving over 100 awards for design and excellence including Fortune Magazine's list of 100 Best Small & Medium Companies, the 100 Best Workplaces for Women and Best Places to Work in the Bay Area.

OUR PURPOSE

We are focused on Good Living for the Greater Good. This means providing a true sense of home and belonging for our Neighbors and Prometheans and giving our time and resources to bring positive change locally and beyond. It also means supporting you in your career goals with the very best working experience, and that starts with us having fun in the work we do together.

YOUR ROLE AND IMPACT

Our IT Team is looking for an IT Infrastructure Engineer III responsible for the architecture, strategic direction, and advanced troubleshooting of enterprise IT infrastructure. This role is not only deeply technical but also strategic, influencing roadmaps, budgets, and technology adoption.

  • Infrastructure Strategy & Architecture - Architect enterprise-wide infrastructure solutions across data centers, networking, virtualization, storage, and Active Directory. Lead large-scale initiatives such as WAN redesign, VMware enterprise modernization, or enterprise SaaS adoption. You are a key contributor to setting infrastructure standards, roadmaps, and technical policies. You assist in building infrastructure resiliency, compliance, and modernization initiatives that align IT capabilities with long-term business objectives.
  • Operations & Advanced Troubleshooting - Serve as an escalation point for critical infrastructure incidents by performing root cause analysis and design long-term remediations. Optimize enterprise-wide performance, availability, and monitoring, as well as ensuring seamless integration of infrastructure with business-critical applications.
  • Training/DocumentationEstablish and enforce infrastructure architecture documentation, system diagrams, and executive-level reporting. Mentor Engineers I & II by providing technical coaching and growth paths. Lead cross-functional trainings to ensure team understanding and infrastructures impact on the company.

HERE'S MORE OF THE NITTY-GRITTY

Our IT Infrastructure Engineer III possesses the following experience, skills and abilities:

  • Bachelor's Degree in the field of Computer Science, technology, or a related area with a master's degree .
  • 7+ years of progressive IT infrastructure experience.
  • Expertise in Windows Server architecture, Active Directory Forest/domain design, GPO strategy.
  • Senior-level experience with enterprise networking.
  • Advanced design and optimization of VMware clusters and enterprise storage platforms.
  • Experience in leading large-scale migrations, data center modernization, or multi-site infrastructure rollouts.
  • Advanced certifications such as VMware VCIX/VCDX, Cisco CCIE, Microsoft Expert-level certifications, CISSP .

COMPENSATION AND BENEFITS

We offer a variety of benefits that take compensation well beyond a paycheck. This includes traditional benefits and benefits you might not expect or know about. The provided salary range is based on a number of factors, including location, job-related skills, experience, and qualifications.

Compensation

  • Pay Range: $144,000.00 to $171,000.00 per year
  • Discretionary Annual Bonus Plan

Benefits & Perks

  • Fully Paid Benefits Including Eligible Dependents (you read that right, Prometheus pays 100% of healthcare, vision, and dental insurance premiums for all Prometheans and their families)
  • Life insurance; Accidental Death & Dismemberment Insurance; Long Term
  • Behavioral Health Program Accessible 24/7
  • Tax-Free Flexible Spending Accounts
  • 401(K) Retirement Plan with Employer Matching
  • Recognition & Rewards Program (Torch)
  • Vacation: 10 days per year with accrual increasing over time
  • Anniversary Vacation Bank Granted at Tenure Milestones
  • Sick Leave: 9 days per year
  • 12 paid holidays, including your birthday!
  • Paid Volunteer Time
  • Housing discounts
  • Educational Assistance, Tuition Reimbursement, Loan Repayment, and Scholarship Awards
  • Referral Bonus
  • Hybrid Work Schedule

Learn more about these and other perks of being a Promethean by exploring our full Benefits Guide.

Prometheus is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of , , ancestry, , sex, , , age, citizenship, marital status, , gender , veteran status, or any other status protected under federal, state or local law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

If you'd like more information about your EEO rights as an applicant under Federal Employment Laws, please check out these FMLA, EEO, and EPPA pages.

IT Infrastructure Engineer III

San Mateo, CA
Full time

Published on 10/11/2025

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