Plumbing and Fire Protection Designer

About Giga Giga is building gigawatts of AI data centers to hasten a future of intelligence and abundance. We build data centers fast and at scale by combining the capabilities of an equipment supplier, engineering firm, general contractor, and real estate developer under one roof. Our team moves quickly and thinks practically. If you're ready to make an impact in an industry that matters, we're looking for people like you. Why join Giga The Pace: We're building at a speed most companies talk about but never actually operate at. If you've been bored somewhere else, you won't be here.The Impact: Every person at Giga touches the work that matters. No layers, no waiting for approval chains. You'll see your fingerprints on what we ship.The Team: A team of operators defining the future of AI infrastructure. We recruit A-players from the most innovative companies in the world, and they choose Giga because the work here means more.The Moment: AI doesn't run without power, and that's us. Giga is the picks and shovels behind the AI revolution. This industry is about to explode, and you'll be in the room where it's already happening. What you'll do As Plumbing and Fire Protection Designer at Giga, you will produce the plumbing and fire protection designs for our AI data center infrastructure projects. You'll design restroom plumbing and roof drainage, lay out sprinkler systems and run the hydraulic calculations, prepare riser diagrams, and review and edit specifications. You'll collaborate with clients, architects, structural and mechanical engineers, electrical teams, code officials, and AHJs to deliver designs that meet stringent reliability, operational, and code requirements. Our Engineer of Record sets design direction and seals the drawings. This is a high-visibility, hands-on role for someone who takes pride in clean, correct drawings, works well with a team, and thrives in fast-paced, complex technical environments. Where you'll work This role is based in one of our offices (Houston, TX / Long Beach, CA / San Francisco, CA / Reno, NV) or Fully Remote. We work in person because the best engineering happens when smart people are in the same room. Some travel to active project sites and client meetings should be expected. That said, we will make exceptions for truly exceptional talent if you live outside one of our hubs. If you're the right person for this role, we'll have a conversation about what works. Responsibilities Lay out sprinkler systems for data center and mission critical facilities, including data halls, support spaces, and administrative areasPerform hydraulic calculations for sprinkler systems, fire pumps, water storage tanks, and site fire water distributionDesign plumbing systems for restrooms and support spaces, including domestic water, sanitary waste and vent, and fixturesDesign roof drainage and storm drainage systemsPrepare riser diagrams, plans, sections, details, and equipment schedulesReview and edit project specificationsFollow design direction from the Engineer of Record and incorporate review commentsCoordinate designs with architectural, mechanical, electrical, structural, and civil disciplinesCoordinate sprinkler releasing and interlock requirements with the fire alarm designerSupport submittal and RFI review during constructionCheck your own work for cross-reference, calculation, and specification consistency before it goes outWork on multiple concurrent projects and keep deliverables on schedule Requirements Minimum of 3+ years of plumbing and fire protection design experiencePlumbing design experience including domestic water, sanitary waste and vent, fixtures, and roof and storm drainageWorking knowledge of backflow prevention and cross-connection control requirementsSprinkler system layout and hydraulic calculation experience on large commercial, industrial, or data center projectsWorking knowledge of NFPA 13, 20, 22, 24, and 25, the International Building Code (IBC), International Fire Code (IFC), International Plumbing Code (IPC), and FM Global Property Loss Prevention Data SheetsProficiency in Revit and AutoCAD, and in hydraulic calculation software such as Elite Fire, AutoSPRINK, HASS, or HydraCALCAble to follow direction from the Engineer of Record, incorporate review comments, and revise documents accordinglyAble to read, review, and edit specificationsA team player who communicates clearly, coordinates well with other disciplines, and is easy to work withAble to carry multiple concurrent design assignments and deliver on scheduleComfortable working with minimal day-to-day oversight and moving fast in a high-velocity environment Requirements Bachelor's degree in Engineering or equivalent.Engineer-in-Training (EIT) certificationNICET certification in Water-Based Systems Layout, Level III or higherData center and mission-critical facility experience, particularly with hyperscale, colocation, and AI-focused deploymentsExperience with preaction, clean agent, and special hazards systemsExperience with rainwater harvesting systemsFamiliarity with fire alarm systems, smoke detection systemsExperience with liquid-cooled, high-density compute hallsExperience developing or maintaining design standards and specification templatesTexas project experience and familiarity with local AHJ processes How We Work We value people who take ownership, raise risks early, communicate directly, and follow through. Incomplete information is part of the job. Make the best decision you can, document it, and adjust as the facts change. Move quickly on reversible decisions and take more care when security, safety, financial, employee, or customer risk is involved. Benefits Subsidized health, dental, and vision insuranceEquity (options) in a rapidly growing startup401(k) with 4% employer matchUnlimited PTOParental leaveHealthcare and Dependent Care Flexible Spending Accounts (FSA) or Health Savings Account (HSA)Commuter benefits, where applicableOpportunities to collaborate in person at periodic team and company on-sites Equal Opportunity Employer Statement Giga Energy is an equal opportunity employer and is committed to fostering an inclusive and diverse workplace. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic as outlined by federal, state, or local laws. Giga Energy complies with all applicable labor laws, including the California Fair Employment and Housing Act (FEHA) and other relevant state and federal regulations. We provide reasonable accommodations for qualified individuals with disabilities and encourage applicants who require accommodations during the hiring process to contact us.