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Interface Engineering Jobs in California (NOW HIRING)

InterSources

Senior UI Developer

San Jose, CA · On-site

$70.25 - $91/hr

Driving best practices for UI engineering across the organization; * Enhancing our design system; * Working closely with design, product management, and development teams to create elegant, usable ...

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Interface Engineering information

See California salary details

$11.4K

$105.3K

How much do interface engineering jobs pay per year?

As of May 28, 2026, the average yearly pay for interface engineering in California is $103,733.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,700.00 and $103,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Interface Engineer, and why are they important?

To thrive as an Interface Engineer, a solid background in computer science, user interface (UI) design, and experience with programming languages like JavaScript, HTML, and CSS are essential. Familiarity with frameworks such as React or Angular, design tools like Figma or Sketch, and knowledge of API integration are commonly required technical proficiencies. Strong problem-solving skills, attention to detail, and effective collaboration and communication abilities set standout professionals apart. These skills and qualifications are critical for creating seamless, user-friendly interfaces that meet both technical requirements and user expectations.

What are some common challenges faced by interface engineers when collaborating with cross-functional teams?

Interface engineers often work closely with designers, backend developers, and product managers to deliver seamless user experiences. A common challenge is ensuring clear communication of technical constraints and design intentions, especially when requirements change rapidly. Balancing user-centric design with technical feasibility can require frequent negotiation and creative problem-solving. Effective interface engineers proactively engage in discussions, use collaborative tools, and document decisions to keep everyone aligned and projects on track.

What is interface engineering?

Interface engineering is the field focused on designing, optimizing, and managing the points where different systems, materials, or components meet and interact. It plays a crucial role in areas such as electronics, materials science, and software development, ensuring smooth communication, compatibility, and performance between interfaces. Interface engineers often work on developing user-friendly interfaces, improving system integration, or enhancing the efficiency and reliability of connections within devices or applications.

What is the difference between Interface Engineering vs Mechanical Engineering?

AspectInterface EngineeringMechanical Engineering
Required CredentialsBachelor's in Engineering, specialized training in interface designBachelor's or higher in Mechanical Engineering, professional licensure often preferred
Work EnvironmentTech companies, product development, hardware-software integrationManufacturing, automotive, aerospace, design and testing labs
Industry UsageTechnology, electronics, consumer devicesMechanical systems, machinery, structural design

Interface Engineering focuses on designing and optimizing the connections between hardware and software components, often in tech and electronics sectors. Mechanical Engineering covers the design, analysis, and manufacturing of mechanical systems. While both roles require engineering degrees, Interface Engineers specialize in interface design, whereas Mechanical Engineers work on physical systems and machinery.

What are popular job titles related to Interface Engineering jobs in California? For Interface Engineering jobs in California, the most frequently searched job titles are:
What job categories do people searching Interface Engineering jobs in California look for? The top searched job categories for Interface Engineering jobs in California are:
Interface Engineering jobs near you
Infographic showing various Interface Engineering job openings in California as of May 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $103,733 per year, or $49.9 per hour.
Senior Fire Protection Engineer/Designer

Senior Fire Protection Engineer/Designer

Interface Engineering

Los Angeles, CA • On-site

$99.11K - $141.42K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 3 days ago

Job description

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth
Senior Fire Protection Engineer/Designer (MEP) - Los Angeles, CA (Hybrid)
Interface Engineering Inc.
At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule (2 days in-office per week minimum) while staying connected to a team that values innovation, inclusion, and impact.
Why Interface?
We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most.
Our Culture
Interface has the company culture and work environment you have been seeking! You'll find a workplace with a culture of fun, superior work/life balance benefits, expansive personal development opportunities, innovative technology, and great relationships. You'll work alongside MEP industry leaders who will help you develop your own thriving career path. Our work takes us around the globe and on a steady growth curve. Our success and innovation are powered by people like you!
Our Core Values:
The following Core Values capture the essence of who we are. We live and breathe them, and they inform everything we do.
  • We are Conscientious.
  • We are Empowered.
  • We are Respectful.
  • We are Transformative.
  • We are Resilient.

What You Will be Doing:
As a Senior Fire Protection Engineer/Designer at Interface Engineering, your responsibilities will include, but may not be limited to:
  • Fire alarm design
  • Fire alarm calculations
  • Fire and smoke modeling
  • Smoke control rational analysis development
  • Fire sprinkler system design
  • Water-based or special hazard-based fire protection systems design
  • Hydraulic and water supply calculations
  • Evaluation of existing building fire protection and alarm systems
  • Commissioning in fire alarm and fire protection systems
  • Special inspections
  • Building code analysis
  • Due diligence report generation
  • Client interaction
  • Multi-discipline coordination
  • Product selection and evaluation
  • Project specifications development
  • Providing exemplary service to fellow team members and clients

To Qualify for Application:
The successful Fire Protection Engineer candidate should have:
  • 8+ years' experience in fire protection system consulting and design.
  • Working knowledge of NFPA standards and I-Codes.
  • Specialization in code consulting, fire alarm/sprinkler systems, and other water-based systems design.
  • Excellent time management and communication abilities.
  • Previous project management and/or design lead experience.
  • Willingness to travel for site visits, meetings, and witness testing.
  • Working knowledge of computer aided design programs (Revit, Autosprink for Revit, AutoCAD).

To Be Competitive for this Role:
Preferred qualifications include:
  • EIT or PE in Fire Protection
  • NICET certification in Fire Alarm and/or Water-Based Fire Protection Systems Layout
  • Associates or bachelor's degree in Fire/Mech/Elec Engineering
  • Working knowledge of computer aided design programs (REVIT and AutoCAD)

What You'll Love
  • Competitive Pay: $111,147 to $158,607 annual salary and conditional bonus
  • Employee Ownership: Build equity through our Employee Stock Ownership Plan (ESOP)
  • Robust Benefits: 401(k), medical/dental/vision, life & disability insurance, transportation benefits...and more!
  • Generous Time Off: PTO, paid holidays, and company closure to clients from Christmas to New Year's
  • Purpose-Driven Culture: Paid volunteer time and a commitment to social equity
  • Career Development: Work alongside industry leaders and access continuous learning opportunities

Ready to grow with us?
If you're looking for a role where your voice matters, your growth is supported, and your work makes a difference-apply today and become part of the Interface Engineering family.
Social Equity:
Interface is committed to social equity within our walls and in our communities. We are a diverse, inclusive, and responsible firm. Interface provides equal employment opportunities (EEO) to employees and applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or any other applicable federal or state-protected classifications. We support local business and seek to partner with small and minority-owned firms on our projects. Our staff is empowered to design community service programs (e.g., clean up beaches, serve meals at shelters, tutor school-aged children, etc.) - using paid volunteer time.
Please note: H1-B visa sponsorship or transfer is not approved for this position.
Pay Range: $99,105 - $141,424 per year

Apply