Senior Structural Engineer – Nuclear & DOE Projects (Hybrid)

aptim; Knoxville (TN); Hybrid; USD 98,000 - 163,000; Full time

Benefits offered by this job

Medical, vision, and dental insurance

Life insurance

Disability insurance

Paid holidays, vacation, and sick time

401(k) plan

Job summary

APTIM in Knoxville seeks a Senior Structural Engineer to tackle complex problems for national industrial, research, nuclear, and infrastructure facilities, collaborating with experienced engineers, PMs, clients, and construction teams.

The role supports work at Y-12 and ORNL, with opportunities across the DOE complex and federal and commercial clients. Design, evaluate, and modify reinforced concrete and steel structures, provide calculations/drawings, and mentor junior staff.

Qualifications

• Bachelor’s degree in Civil Engineering with a structural emphasis or related field.
• 8+ years of progressive structural engineering experience.
• Experience with DOE or nuclear facilities is advantageous.
• Proficiency with structural analysis tools such as STAAD.Pro or ANSYS.

Responsibilities

• Perform structural engineering for new construction, facility modifications, equipment installations, and rehabilitation of existing DOE/NNSA facilities.
• Evaluate existing reinforced concrete, structural steel, masonry, foundations, and structural support systems using available records, field observations, material information, and engineering analysis.
• Develop practical solutions to complex structural challenges involving existing-facility constraints, equipment anchorage, temporary conditions, constructability, and phased implementation.
• Select and apply appropriate analysis and design methods, including hand calculations and structural modeling, per project requirements.
• Prepare design criteria, calculations, technical evaluations, specifications, drawings, reports, and other engineering deliverables from conceptual design through final design and construction.
• Review design drawings, calculations, specifications, vendor information, shop drawings, RFIs, and other construction submittals for technical accuracy and consistency with the design intent.
• Apply applicable building codes, client requirements, industry standards, project procedures, and APTIM quality requirements; participate in independent technical reviews.
• Coordinate with multidisciplinary design teams, clients, vendors, and construction personnel; participate in site walkdowns, field investigations, constructability reviews, and construction-phase support.
• Work collaboratively within multidisciplinary teams; mentor less-experienced engineers through technical guidance, knowledge transfer, and constructive feedback; and support their professional growth and career development.

Skills

Communication

Engineering judgment

Team collaboration

Travel readiness

Security clearance eligibility

Education

Bachelor’s degree in Civil Engineering (structural emphasis)

Tools

STAAD.Pro

ANSYS

Job description

APTIM in Knoxville seeks a Senior Structural Engineer to tackle complex problems for national industrial, research, nuclear, and infrastructure facilities, collaborating with experienced engineers, PMs, clients, and construction teams.

The role supports work at Y-12 and ORNL, with opportunities across the DOE complex and federal and commercial clients. Design, evaluate, and modify reinforced concrete and steel structures, provide calculations/drawings, and mentor junior staff.