Entry Level Software Developer Jobs in Mississauga, ON

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’s Transportation business line is actively seeking a creative and highly talented Railway Signals Designer to be based in its Mississauga office. This position is to fill an existing position within the team.

The qualified candidate will be able to demonstrate the following skills:

• Reporting to the S&C Manager, provide engineering, technical and management support to the Railway Signals Group.
• Produces sets of drawings, including filing and archiving of drawings, and participates in quality reviews prior to dissemination of drawings.
• Assist in the preparation of proposals, design documents and tender documents.
• Adopts project management principles and provides support to project managers.
• Assist in the preparation of design drawings for transit and freight rail signaling systems that meet customer and AECOM quality standards.
• Produces sets of drawings, including filing and archiving of drawings, and participates in quality checks prior to dissemination of drawings.
• Perform first level checks for electrical designs.
• Experience coordinating multi-office team design projects.
• Experience with project management principles.
• Experience with proposal and report writing.
• Railway experience with knowledge of CPKC, CN or AREMA standards.
• Entry-level experience with project financial reporting systems, accounting principles, spreadsheets, report writing, and basic knowledge of occupational health and safety legislation.
• Assist in the preparation of computer-aided design (CAD), MicroStation, AutoCAD drawings for transit and freight rail signaling systems that meet customer and AECOM quality standards.

Minimum Requirements:

• Bachelor's degree in Engineering (preferably Electrical or Software).

Preferred Qualifications:

• Related experience in transportation and/or electrical/software engineering.
• Team player willing to take on assigned work with the ability to consistently set and meet deadlines.
• Demonstrates analytical, technical and problem-solving skills and abilities.
• Works independently with general counsel except in complex and unusual situations.
• Some skills in the use of AutoCAD 2D and/or MicroStation, with an interest in developing this skill.
• Proficient in Excel (experience with macros is an asset).
• Basic knowledge of programmable logic control hardware and software.
• Basic understanding of relay logic.
• Demonstrates excellent communication skills and willingness to be involved in planning, design, and construction as required by projects.
• Willingness to work in the field and travel.
• Eligible and/or interested in pursuing professional engineering licensure with PEO when applicable. Existing registration as an Engineering Intern (EIT) with PEO is considered an asset.

• Relocation is not available for this position. 
• Sponsorship for Canadian employment authorization is not available for this position.  

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. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.