Senior Construction Estimator - Aviation & Infra; Hybrid

RCS – Estimator

Location:

Los Angeles, CA Industry: Aviation / Infrastructure Type:
Full-Time (Hybrid Schedule)

At Praxis Sourcing & Consulting, we help great companies hire great people. By working with a carefully selected network of clients and talent, we build trusted relationships that allow us to be transparent, direct, and highly effective in every placement.

Our client, Rupert Construction Services (RCS), is a recognized leader in construction management and project controls, supporting complex public-sector and aviation infrastructure programs. With a reputation for precision, accountability, and execution, RCS plays a critical role in delivering high-visibility capital projects across Southern California.

Together, Praxis and RCS are seeking Estimators to support major infrastructure programs in a fast-paced, highly collaborative environment.

Drive Cost Accuracy on Complex Capital Programs

RCS is seeking detail-oriented and analytical Estimators to support planning, design, and construction phases of large-scale projects. This role is ideal for professionals with experience in independent cost estimating, contractor coordination, and change order analysis within public or aviation construction programs.

Level II candidates will focus on execution and support, while Level III candidates will take on more leadership, coordination, and negotiation responsibilities.

Key Responsibilities:

Prepare independent cost estimates across planning, design, and construction phases

Develop detailed estimates including labor, materials, and equipment costs

Review and validate Engineer’s estimates, factoring in phasing, operations, and constraints

Perform quantity take-offs and cost breakdowns for systems and subsystems

Analyze contractor bids and align with independent estimates

Support or lead estimate reconciliation efforts with contractors and third parties

Prepare constructability reviews to identify risks and cost impacts

Review contract documents and evaluate cost implications of scope changes

Assist (Level II) or lead (Level III) change order evaluations and negotiations

Maintain historical cost data and support forecasting efforts

Additional Leadership Responsibilities (Level III):

Lead negotiation meetings with contractors and subcontractors

Facilitate estimate review meetings and coordinate stakeholder alignment

Provide guidance to junior estimators and contribute to team performance

Take ownership of complex reconciliation and negotiation scenarios

Required Qualifications:

5+ years of estimating experience in construction or engineering projects

Experience supporting estimating efforts and managing complex reconciliations

Prior experience overseeing or mentoring team members preferred

Strong understanding of construction processes and cost drivers

Experience working with contractors, subcontractors, and public agencies (FAA, LADBS, etc.)

Ability to manage multiple projects concurrently

Strong communication and stakeholder coordination skills

Detail-oriented with a focus on accuracy and accountability

Technical

Skills:

Microsoft Office Suite (Excel, Word, PowerPoint, Outlook)

Bluebeam and On-Screen Takeoff tools

Knowledge of Prolog or similar project management systems preferred

Education & Certification:

Bachelor’s degree in Engineering, Construction Management, or related field

Certified Estimating Professional (CEP) credential required

Flexible work from home options available.