Structural Engineering

Our expertise in structural design and coordination is based on over 66 years of engineering buildings and related structures. Our clients rely on our ability to balance deadlines and budgets with the design insight required for structural work. We offer in-depth knowledge of current building codes, the ability to anticipate the unexpected, and creative insight that makes every project a success.


Structural Engineering Firm Sacramento California

Frank Martinovic
Senior Associate Structural Engineer

Frank leads Siegfried’s structural engineering team bringing his accomplished experience with all levels of project management from basic project development through design, selection of structural systems, and creation of structural working drawings and calculations. His background includes extensive interaction with architectural clients, owners, and other consultants to develop and coordinate projects utilizing a combination of materials including reinforced concrete, structural steel, masonry, light gage framing, and timber framing to achieve an economical and efficient building design.Having an extensive practice in regions of moderate and high seismicity, Frank is familiar with seismic detailing requirements and design including UBC, IBC, and CBC building codes as well as various building department requirements. Solving challenging structural projects and engineering unique structures such as theatres, medical research buildings, and retrofit and renovation of existing structures are all highlights of his career spanning over two decades.

Frank’s proven leadership is exemplified by his excellent communication and interpersonal skills, management of design teams of engineers and Revit technicians as well as his ability to successfully manage multiple projects simultaneously.

Frank’s Featured Projects
Detention Center

Corrections Corporation of America (CCA), Otay Mesa Detention Center – San Diego, CA

Laboratory & Office

Qualcomm Pacific Center Campus, Building AY Office/Lab & Building AZ Amenities – San Diego, CA

Transportation Terminal

Cross Border Xpress – San Diego, CA

Higher Education

SDCCD, San Diego City College, Buildings A, D & T – San Diego, CA

Government Project

San Ysidro Land Port of Entry, Phase II – San Diego, CA


Waldorf Astoria, previously the Mandarin Oriental – Las Vegas, NV
Veer Towers – Las Vegas


Caesars Palace, The Colosseum – Las Vegas, NV
Wynn Las Vegas, Aqua Theater – Las Vegas, NV

Resort & Casinos

MGM Grand Detroit, – Detroit, MI
Green Valley Ranch Resort Spa & Casino – Henderson, NV

Medical Facility

Nevada Cancer Institute – Summerlin, NV

Hotel & Residential

Tahiti Village – Las Vegas, NV

Parking Structure

MGM Grand Las Vegas Parking Garage – Las Vegas, NV


The Capital Grille – Las Vegas, NV

Historic Renovation

San Ysidro Border Station Main Building – San Ysidro, CA


Neiman Marcus Expansion – Las Vegas, NV


MS Civil Engineering
University of Nevada, Reno, NV
BS Civil Engineering
University of Nevada, Reno, NV


California Structural Engineer
License No. S5380

Additional Licenses

AZ License No. 41082, SE
IL License No. 81006460, SE
LA License No. 32912, SE
NV License No. 16255, SE
CO License No. 40040, PE
MS License No. 17519, PE

Download Frank’s Resume


Higher Education
Parking Structures
Public Assembly
Public Works
Tall Buildings


Structural Engineering
Construction Engineering
Secure Design
Restoration & Renovation
Forensic Analysis
Seismic Assessment
Seismic Upgrade
Feasibility Studies
Sustainable Design
Blast Design
Historic Renovation
Structural Peer Review
Structural Plan Checking
Damage Assessment
Performance-based Engineering
Vibration Analysis & Design
Building Code Assessment

Project Delivery Experience

Design-Build (DB)
Design Bid Build (DBB)
Integrated Project (IPD)
Public-Private-Partnership (3P)
Construction Manager at Risk (CMAR)