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Sergey O.
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Sergey O.

Structural engineer expert , 22 yrs. exp., CA/FL P.E. upon request

Structural Engineer expert with 22 years of international experience designing commercial, industrial, and residential structures across 18+ countries, including 70% of projects executed under US codes (IBC 2021, ACI 318-19, AISC 360-22, ASCE 7-22). What I deliver: Complete structural design packages — from gravity and lateral load analysis through final stamped-ready calculations and detailed drawings. I have successfully completed projects in 13 US states (CA, WA, FL, IL, GA, MS, MO, PA, TN, TX, NE, CO, AZ), working with engineering firms, architects, and developers as their remote structural design partner. Core capabilities: • Concrete design — flat slabs, post-tensioned slabs, shear walls, foundations (ACI 318-19) • Steel design — moment frames, braced frames, connections, industrial platforms (AISC 360-22) • Lateral systems — seismic and wind load analysis per ASCE 7-22 • Cold-formed steel design (AISI S100) • Foundation design — shallow, deep, mat foundations • Bridge components and structural assessments (AASHTO LRFD) International code expertise: US (IBC, ACI, AISC, AISI, ASCE), Europe (EN/Eurocode), UK (BS), Canada (NBCC), Australia/NZ (AS/NZS), Saudi Arabia (SBC), Russia (SP/SNiP). This breadth makes me particularly valuable for multi-jurisdiction projects and peer review of designs originating in different code environments. Software (daily use): • ETABS, SAP2000, SAFE for analysis and design • IDEA StatiCa for connection design • TEKLA Structures for detailing • TEDDS, PROKON, RAM Connection, Limcon for verification • AutoCAD/Revit for drawings/BIM How I work: I respond to all messages within 4 business hours, deliver structured calculation packages that pass peer review, and communicate proactively about scope, assumptions, and risks. My deliverables include cover sheets, design narratives, hand-calc validations, software output with annotations, and CAD drawings — formatted to your engineering firm's standards. Best fit for: • Engineering firms needing reliable overflow capacity • Architects seeking long-term structural partner • Developers requiring clear engineering communication • International clients designing for the US market • Project owners needing third-party peer review. Available for both fixed-price and hourly engagements. Let's discuss your project — share the scope and I'll respond with a clear approach within hours. California and Florida PE review and sealed drawings can be arranged when required. I work with licensed Professional Engineers in these states who independently review the engineering documents and, where appropriate, sign and seal the final package in accordance with applicable state requirements.

🇰🇭Phnom Penh, Cambodia$45/hr100% JSS4.87 (143)Since Jul 2015

Earnings and projects

MRR
$6.1k

Last 6 months ÷ 6

World#3,756 / 412k
🇰🇭Country#2 / 128
Revenue, last 30 days
$12k

Last 6 months: $36k

World#933 / 412k
🇰🇭Country#2 / 128
Total earnings
$210k

Billed in all: $215k

World#14,208 / 412k
🇰🇭Country#5 / 128
Per project
$840

$1.7k in the last 6 months

World#137,586 / 412k
🇰🇭Country#32 / 128
Projects, last 6 months
22

Across 24 contracts

46% fixed54% hourly
World#5,109 / 412k
🇰🇭Country#1 / 128
Projects in all
250

Across 280 contracts

43% fixed57% hourly
World#6,769 / 412k
🇰🇭Country#11 / 128

Earnings, last 30 days

$215k+$12.2k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$200k$210k$220kOct 9Oct 24Nov 8

Skill rankings: #1 in 3 skills of 11

Rarest: top 0.49% in Construction, of 1,022. Ranked by MRR among everyone on Upwork with the skill.

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