Ruby On Rails Developer Contract Jobs in Antelope, CA

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking a Railroad Bridge Engineer for one of our offices in Sacramento, CA. This role will review bridge designs, evaluate contractor submittals, and resolves field engineering issues to ensure compliance with project specifications, design standards, and regulatory requirements. The Engineer serves as the primary technical liaison among design consultants, construction management, contractors, and project stakeholders. The role supports the successful delivery of complex railroad bridge infrastructure through effective engineering coordination and quality assurance. 

Duties

• Provide engineering support for the construction, inspection, and acceptance of railroad bridges, guideways, retaining structures, culverts, and related structural components
• Review bridge design plans, calculations, shop drawings, working drawings, Requests for Information (RFIs), submittals, and construction work plans for technical accuracy and compliance with contract requirements
• Evaluate contractor proposals, design modifications, value engineering proposals, and field design changes while ensuring compliance with project specifications and applicable engineering standards
• Coordinate with Resident Engineers, Construction Managers, Design Engineers of Record, specialty consultants, and contractors to resolve structural engineering issues encountered during construction
• Review structural concrete placement plans, reinforcing steel details, post-tensioning operations, structural steel fabrication and erection procedures, bearings, expansion joints, falsework, shoring, and temporary works
• Perform engineering analyses and technical evaluations to support field decisions involving bridge construction sequencing, structural integrity, constructability, and design deviations
• Verify that bridge construction activities comply with approved plans, specifications, quality assurance requirements, and applicable railroad and transportation design standards
• Support construction claims evaluations by providing technical documentation, engineering analyses, and review of contractor change requests
• Participate in design review meetings, constructability reviews, risk assessments, value engineering workshops, and interdisciplinary coordination meetings
• Review inspection reports, material testing results, non-conformance reports (NCRs), and corrective action plans to ensure timely resolution of quality issues
• Assist in preparing technical memoranda, engineering reports, field recommendations, and final acceptance documentation
• Perform other bridge engineering duties as assigned in support of the CAHSR construction program
• Supports the compliance with the Federal Railroad Administration (FRA), California Public Utilities Commission (CPUC), California Department of Forestry and Fire Protection (CalFire), environmental regulations, and safety requirements

Minimum requirements:

• BA/BS + 8 years of relevant experience or demonstrated equivalency of experience and/or education.
• Knowledge of reinforced concrete, prestressed concrete, structural steel, foundation systems, seismic design principles, and railroad bridge construction methods.

Preferred Requirements:

• Current California Professional Engineer (PE) license in Civil Engineering, or the ability to obtain California registration through reciprocity within six (6) months of hire
• Seven (7) or more years of experience supporting railroad, bridge, highway, transit, or other major transportation infrastructure projects
• Experience interpreting engineering plans, structural calculations, contract specifications, and construction documents
• Strong analytical, technical writing, and problem-solving skills
• Proficiency with Microsoft Office Suite and engineering software used for structural analysis and design
• Ability to communicate effectively with multidisciplinary engineering and construction teams
• Experience with California High-Speed Rail, commuter rail, freight rail, or other large-scale rail infrastructure construction programs
• Knowledge of AREMA, AASHTO LRFD Bridge Design Specifications, Caltrans Bridge Design and Construction Manuals, and applicable California building codes
• Experience reviewing falsework, shoring, erection engineering, temporary works, and construction staging plans
• Familiarity with finite element analysis software, bridge design software, and Building Information Modeling (BIM) coordination tools
• OSHA 30-Hour Construction Safety certification
• Experience using construction management and document control platforms such as Primavera Unifier, Procore, Bluebeam Revu, or similar systems

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you'll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you've always envisioned. Here, you'll find a welcoming workplace built on respect, collaboration and community-where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.