Structural Engineer

Mangan Inc.; Long Beach (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

Mangan Inc. is seeking a full-time Structural Engineer in Long Beach, California. The candidate will provide structural engineering services for industrial projects including oil & gas and power plants. Responsibilities entail performing calculations, providing design sketches, and coordinating with other disciplines. Required qualifications include a Bachelor’s degree in civil/structural engineering, 8+ years of experience, and a PE license. Ideal candidates will demonstrate strong problem-solving skills and proficiency in tools like AutoCAD and RISA 3D.

Qualifications

• Experience in structural steel and concrete design.
• Experience with dynamic analysis (response spectrum, time history, transient).
• Good written and verbal communication skills.
• Previous related internship experience is a plus but not required.

Responsibilities

• Provide conceptual design of structural supports.
• Prepare structural calculations and analysis.
• Perform structural loading calculations per all applicable codes and regulations.
• Static analysis and dynamic analysis.
• Design steel structures and connections.
• Conduct site visits and structural observations.
• Coordinate closely with other technical disciplines.

Skills

Structural steel and concrete design

Dynamic analysis (response spectrum, time history, transient)

Good written and verbal communication skills

Education

Bachelor’s degree in civil/structural engineering

Minimum eight years of relevant work experience

PE license (preferably CA)

Tools

RISA 3D

RAM Connection

MathCAD

PLS-CADD / PLS-Pole / PLS-Tower

Microsoft Excel

AutoCAD

Microsoft Office

Job description

Mangan Engineering & Automation Specialist is currently seeking a full‑time Structural Engineer to join our team, providing structural engineering services for industrial projects such as oil & gas, factories, power plants, and substations.

Structural engineers are expected to be detail‑oriented, creative, and possess strong problem‑solving skills. This position supports engineering and design efforts by providing studies, drawings, calculations, specifications, and evaluations in accordance with applicable procedures, codes, standards, and contract requirements. The engineer works with other structural engineers, designers, and technical disciplines in a team environment.

Responsibilities & Duties

• Provide conceptual design of structural supports
• Prepare structural calculations and analysis
• Perform structural loading calculations per all applicable codes and regulations (ASCE 7, IBC, etc.)
• Static analysis
• Dynamic analysis
• Steel structure and connection design
• Foundation and retaining wall design
• Substation structure design (ASCE 113, IEEE 693, 605) (preferred)
• Provide design sketches for the drafter with AutoCAD
• Conduct walk‑downs and site visits of existing facilities
• Review existing conditions and as‑built drawings and collect and record data and documentation
• Review customer and vendor information from subcontractors and integrate it into the design solution
• Perform structural observation
• Execute schedule requirements while maintaining high quality in work product
• Coordinate closely with other technical disciplines in planning and executing work as an integrated team
• Travel up to 25% of the time to customer and project locations to coordinate designs and collect data and information
• Provide structural engineering support for overhead transmission line structures, including structure attachments, load‑path development, and foundation reactions (preferred)
• Develop and check design criteria and load combinations for transmission structures consistent with ASCE 113 and applicable utility standards (preferred)
• Coordinate with line‑design teams to interpret loading inputs/outputs (wind/ice, ruling spans, angles, broken wire, construction loads) and translate them into structure and foundation design requirements (preferred)
• Review vendor drawings/submittals for poles, lattice towers, cross‑arms, and line hardware for compliance with project requirements (preferred)

Qualifications & Skills

• Experience in structural steel and concrete design
• Experience with dynamic analysis (response spectrum, time history, and transient)
• Good written and verbal communication skills
• Previous related internship experience is a plus but not required

Must Have Working Knowledge & Practical Experience

• RISA 3D
• RAM Connection
• MathCAD
• PLS‑CADD / PLS‑Pole / PLS‑Tower (preferred)
• Microsoft Excel
• AutoCAD
• Microsoft Office

Other Skills and Abilities

• Ability to break down technical concepts and communicate fundamentals to staff
• Ability to manage priorities with minimal guidance

Education & License Requirements

• Bachelor’s degree in civil / structural engineering
• Minimum eight years of relevant work experience
• PE license required (preferably CA). SE license is preferable

Physical Demands

Must be able to perform site visits, prepare sketches and as‑built drawings, climb ladders and stair platforms, lift or exert up to 10 pounds, and possess good depth perception to judge distances and spatial relationships.