Rail Transit Facilities Engineering Intern

ACI-Herzog is seeking Power System Technicians to work on the Tren Urbano system in San Juan, Puerto Rico. Tren Urbano is a rapid transit system, comprised of 10.7-miles and 16 stations, serving the municipalities of San Juan, Guaynabo, and Bayamon in Puerto Rico. Tren Urbano is central part of the public transportation network, serving multiple universities and technical colleges, major medical centers, the city’s financial district, entertainment venues and many residential neighborhoods.


Purple Line Transit Operators (PLTO) is a private consortium with a 30-year contract with the Maryland Department of Transportation Maryland Transit Administration (MDOT MTA) as part of a multi-billiondollar Public-Private Partnership (P3) contract. PLTO is responsible for Operations and Maintenance (O&M) of the Purple Line light rail system within Maryland’s Montgomery County and Prince George’s County where Glenridge and Lyttonsville O&M Facilities (OMFs) are located, respectively. As the managing partner of PLTO, Alternate Concepts, Inc (ACI) is an industry leader in mass transit operations and maintenance, and the O&M provider of the nation’s first Design-Build-Operate-and-Maintain (DBOM) transit project – Tren Urbano – and of the nation’s first Design-Build-Finance-Operate-and-Maintain (DBFOM) transit project – Eagle P3 Denver, Colorado. On behalf of PLTO, ACI is actively recruiting to hire a part-time or full-time senior student or recent graduate to join our team to be a part of an iconic public transportation project in the United States. The intended employment duration is through the end of Spring 2023 semester (May 2023). Exemplary performance may lead to an opportunity for an extended employment duration.


  • Become familiarized with and use specialized software tools to load manuals and parts catalogs for facilities, engineering, and railcar maintenance departments. This includes importing images, creating hot spots, and testing cross-referenced data.
  • Review and become familiarized with the contract documents that outline PLTO’s and the design build contractor’s obligations and responsibilities and be proactive in identifying design or field changes or decisions that may impact PLTO’s ability to fulfill its scope of delivery within budget and schedule.
  • Review and become familiarized with technical documents and drawings related to the OMFs, passenger stations and systems that fall under PLTO’s scope of work. Examples include Access Control, Closed-Circuit Television system, Fire Alarm, Communications, and Track/Rail.
  • Review and become familiarized with product submittals, shop drawings, and other technical documents as needed
  • Perform field visits, utilizing engineering knowledge and field observations to help identify, investigate, and solve issues
  • Work with department managers to review and finetune the information for assets and related preventive maintenance in the system
  • Extract preventive maintenance requirements from asset O&M manuals and create preventive maintenance tasks and schedules in PLTO’s asset and maintenance management system
  • Act as a professional and responsible representative of PLTO, at all times
  • Assist the management team, such as the Facilities Manager, with the selection, requisition, and procurement of special tools and pieces of equipment to be delivered, housed and used inside the Glenridge OMF. This includes maintaining an updated log, providing supporting documentation for equipment, and communicating with different suppliers and manufacturerswhile considering quality, budget/cost, schedule, and scope.
  • Fulfill all other duties as assigned

Desired Qualifications and Must Haves

Motivated candidates expressing a willingness to learn and invest in a career in the transit industry will receive strong consideration. To perform this job responsibly, individuals must have excellent verbal and written communication and documentation skills in English, sound judgment, eagerness to learn, ability to interact with different project team members and stakeholders in a professional setting, and an ability to prioritize and accomplish multiple tasks and meet deadlines with minimal supervision. Strong interest in rail transit O&M as well as project engineering as a career is preferred. The possession of a valid driver’s license is required

uccessful candidates must be able to successfully pass a pre-employment background check; pass a preemployment drug and alcohol screening test, be willing to comply with PLTO’s Drug and Alcohol Policy,and be eligible to work in the U.S.

Education and/or Experience

Enrolled in or have completed a bachelor’s (GPA 3.0/4.0 and above) or master’s degree in engineering, Project/Construction Management or related field at an accredited college or university. Upon acceptance to the position, the candidate will be required to have his/her official transcripts directly transmitted to ACI by the institution.

Computer Skills

Proficient in Microsoft Office/365 applications such as Excel.

Physical Demands

Ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry. Ability to apply concepts such as fractions, percentages, ratios, and proportions to practical situations.

Work Environment

Depending on the number of hours engaged, successful candidates will be expected to work in a hybrid workplace where frequent field visits, in-office presence, and remote work may be combined. While performing the duties of this job (while in the field), the employee must be aware of his/her surroundings and may be exposed to outside weather conditions, moving mechanical systems, and building components as well as varying noise levels both within the Glenridge maintenance yard and inside the OMF building. Wearing Personal Protective Equipment (PPE) is required at all times while in the field and in construction zones.

ACI reserves the right to revise this job description from time to time. The above statements are intended to describe the general nature and level of work performed by interns assigned to this classification and are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of employees assigned to this job

ACI is an Equal Employment Opportunity (EEO) employer. We recruit, hire, train and promote persons in all job classifications and ensure that all other personnel actions are administered without regard to race, color, religion, creed, national origin, ancestry, gender, physical or mental disability, pregnancy, sexual orientation, genetic information, veteran or military status, or any other characteristic protected by law

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Click here to review our Disclaimer. The statements on the Disclaimer constitute the conditions under which you would be employed for Alternate Concepts, Inc. (ACI) should you be accepted for employment.

Alternate Concepts Inc is currently searching for qualified candidates to fill the Rail Transit Facilities Engineering Intern position. All interested parties should submit a cover letter and resume to jobs@pltollc.com

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