Demo

Infrastructure Engineer

MBTA
Boston, MA Full Time
POSTED ON 11/27/2025
AVAILABLE BEFORE 12/26/2025
At the MBTA, we envision a thriving region enabled by a best-in-class transit system. Our mission is to serve the public by providing safe, reliable, and accessible transportation. MBTA’s Core Values are built around safety, service, equity, sustainability, and culture. Each employee that works for the MBTA performs their roles based on our vision, mission, and values. This includes attendance, participation, and contribution in local safety committee meetings as needed.

Job Summary

The L3 Software Engineer, Infrastructure in the Information Technology Department is responsible for administering a reliable and secure cloud technology platform, following software engineering infrastructure operations and processes to maintain established standards. The This role uses resources in AWS and Azure. Many resources are managed as infrastructure-as-code, and this role supports the migration of existing resources, and maintenance of new resources into that model. This role also works closely with the Technology Innovation Department (TID) and other software development teams to test and deploy internally developed software efficiently and securely

Duties & Responsibilities

The Infrastructure Engineer is responsible for a wide variety of software engineering infrastructure tasks primarily in AWS and Azure.

Engineering Infrastructure Capabilities

  • Support Infrastructure as Code (IaC) tools, including the configuration of existing resources
  • Able to execute any available engineering coding tasks assigned in a sprint
  • Implement infrastructure in accordance with the infrastructure operating model and team principles
  • Perform code reviews independently at a high level of quality
  • Make changes to pull requests based upon feedback from reviewers
  • Execute development work at a consistent velocity with little variance between sprints
  • Diagnose ongoing application outages or disruptions
  • Write root cause analyses and reports as needed
  • Demonstrate strong fundamental coding abilities and knowledge
  • Follow standard engineering division procedures, such as naming conventions, writing documentation, testing software changes, etc.
  • Surface defects or potential improvements in the sprint backlog
  • Protects the data security and privacy of our organization and customers
  • Work collaboratively with members of other teams, especially when providing feedback and in sharing knowledge
  • Be on time for and actively participate in team rituals such as sprint planning, refinement, stand-ups, and retros
  • Be proactive about moving, updating, and commenting on assigned tasks
  • Strive to do what is necessary over what may be considered more interesting


Engineering Infrastructure Knowledge Required

  • Proficient with Infrastructure as Code (IaC) tools
  • Adept with useful logging and querying
  • Able to conduct research and advise on software platforms
  • Can make significant contributions to the TID infrastructure


DevOps

  • Works on deployment, build and code analysis systems as needed
  • Participates in interview and evaluation of infrastructure engineering candidates
  • Mediates code review conflicts
  • Performs infrastructure architecture reviews
  • Present software engineering work at department-wide presentations and rituals
    • Define and articulate standards for how software infrastructure technology is developed and used to serve the public effectively.
    • Define and articulate standards for how cloud technology is developed and used to serve the public effectively
    • Participate in on-call rotation for technology systems and services.


Additional responsibilities may include a focus on one or more departments or locations. See applicable addendum for department or location-specific functions.

Physical Demands and Working Conditions

  • The physical demands and work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • Available to work all shifts and locations as assigned or directed.
  • Available to work as per assignment by the MBTA twenty-four (24) hours per day, seven (7) days per week as directed by supervisory staff for severe weather conditions, emergencies or any other circumstances that may potentially impact service or the safety of service.
  • Have the ability to work any and all shifts and/or locations assigned or directed.


Supervision

  • None


Minimum Education

  • Bachelor’s degree from an accredited institution


Minimum Requirements & Qualifications

  • Five (5) years experience in software engineering infrastructure practices, processes, and team operations.
  • Experience with automated testing, including continuous integration (CI)
  • Experience with Git workflows (such as pull requests) and code reviewing
  • Experience with 1 programming languages from the TIOBE top 20 ( https://www.tiobe.com/tiobe-index/ )
  • Experience with Infrastructure-as-Code (IaC)


Preferred Experience And Skills

  • Experience in public sector, transportation agency, and/or civic technology team.
  • Extensive expertise in software engineering practices, processes, and team operations.
  • Proven people management capabilities, including coaching, effective communication, and conflict resolution skills.
  • Knowledge of transit data standards (such as GTFS, GTFS-RT, TODS, TIDES)
  • Experience with Terraform / Infrastructure as Code tools
  • Experience with AWS
  • Experience developing code as part of an open-source project
  • Experience with Terraform/OpenTofu
  • Experience with APIs / microservices / Service-Oriented Architecture (SOA)
  • Ability to translate business requirements into technology


Standard across all TID JD’s

Substitutions Include

  • A High School Diploma or GED with an additional seven (7) years of directly related experience substitutes for the bachelor’s degree requirement.
  • An associate degree from an accredited institution an additional three (3) years of directly related experience substitutes for the bachelor’s degree requirement.
  • A master’s degree in a related subject substitutes for two (2) years of general experience.
  • A nationally recognized certification, or statewide/professional certification in a related field substitutes for one year of experience.


Job Conditions

  • Adhere to rules, regulations, collective bargaining agreements (if applicable) and policies of the MBTA including the EEO, anti-discrimination, anti-harassment, and anti-retaliation policies.
  • Ability to pass a Criminal Offender Record Information (CORI) check, background screening, and the MBTA’s medical requirements, including a physical examination and drug and alcohol screening.
  • Have a satisfactory work record for the two (2) years immediately prior to the closing date of this posting, including overall employment, job performance, discipline, and safety records (infractions and/or offenses occurring after the closing of the posting and before the filling of a vacancy may preclude a candidate from consideration for selection).


Job Conditions:

  • Ability to effectively read, comprehend, communicate, and respond to instructions, orders, signs, notices, inquiries, etc. in English.
  • Be at least eighteen (18) years of age, except if participating in an approved high school internship / co-op program.
  • Ability to commute to assigned work locations in the Boston, MA metro area, as required by the role.
  • Ability to provide internal and external customers with courteous and professional experiences.
  • Ability to work effectively, independently, and as part of a diverse workforce team (or supervise, if required).
  • Ability to uphold the rights and interests of the MBTA while building and maintaining effective relationships with employees and co-workers.
  • Ability to adhere to rules, regulations, collective bargaining agreements (if applicable), and policies of the MBTA, including the EEO, anti-discrimination, anti-harassment, and anti-retaliation policies.
  • Have a satisfactory work record for the two (2) years immediately prior to the closing date of this posting (unless if current student or recent graduate), including overall employment, job performance, discipline, and safety records (infractions and/or offenses occurring after the closing of the posting and before the filling of a vacancy may preclude a candidate from consideration for selection).
  • Ability to pass a Criminal Offender Record Information (CORI) check, comprehensive background screening, and / or medical Clinic screening, potentially including physical examination and drug and alcohol screenings.
  • Ability to work all shifts and / or locations assigned, directed, or necessary for this position, including (for some transit / operations roles) up to twenty-four (24) hours per day, seven (7) days per week as necessary to accommodate severe weather conditions, emergencies, or any other circumstances that may potentially impact service or the safety of service.
  • Intern / co-op staff must be enrolled full or part-time in an accredited educational program and maintain a cumulative GPA of at least 2.5 for the entire duration of the internship / co-op. Additionally, interns / co-ops must have valid work authorization and U.S. Social Security Number prior to starting their positions and throughout the duration of their program.


Disclaimers and Definitions:

  • General Disclaimer: The statements contained in this job description are intended to describe a summary, general nature, and complexity of typical job functions and do not represent an exhaustive list of all duties, tasks, and responsibilities required of staff assigned to this position.
  • Application Completion: It is each applicant’s responsibility to ensure application details are entered completely and correctly, including updated work and education histories (past and current). Incomplete applications may not be considered. Attachments do not substitute for application fields. The recruitment team does not have access to existing employee data / history.
  • Application Deadlines: Applicants should apply as soon as possible, as the MBTA may stop considering applicants after a sufficiently large applicant pool is established.
  • Work Environment: The physical demands and work environment characteristics described here-in are representative of those an employee may encounter while performing the essential functions of this job. Reasonable accommodations can be made to enable individuals with disabilities to perform essential functions. See job description for role-specific requirements.
  • Work Eligibility: All employees must be legally authorized to work in the United States and on an unrestricted basis. The MBTA does not have an employer work sponsorship program. However, if you have unrestricted work authorization, or are sponsored by a separate entity, you are welcome to apply. Further, all persons hired will require a U.S. Social Security Number prior to starting the position and employees will be required to complete a Form I-9 to verify their identity and eligibility to work in the U.S.
  • Interviews: Candidates should ensure they arrive on time, are prepared, can remain for the duration, and if remote, are in a quiet place without distraction, for the interview. Candidates who do not attend their interview without advance authorization, including an email confirmation of a rescheduled time/date from Human Resources, will be considered a no-show and disqualified from consideration for the position. Related to rescheduling, on a one-time basis, and due to something emergent, you may be allowed to reschedule the interview. In addition, Human Resources may require documentation supporting the request. However, should you need to reschedule, you will need to contact your Recruiter directly by email.
  • Safety Sensitive Positions: Employees working in this classification will be subject to periodic physical examinations plus random drug and alcohol testing.
  • On-call or 24/7 Positions: Employees working in this classification must be available to respond to page / text / call and report to work as determined by assigned department or the Authority.
  • Essential / Emergency Staff: During declared "states of emergency," employees working in this classification are required to report to work for their assigned work hours or as directed by management.
  • ADA Accommodations: The MBTA makes reasonable accommodations for applicants with disabilities. If you require an accommodation during this process, please contact the MBTA's ADA Unit at 617-222-5751 or hradaaa@mbta.com .
  • Diversity, Equity, and Inclusion: The MBTA is an Equal Employment Opportunity Employer . For terms, descriptions, and definitions related to diversity, equity, inclusion, veteran status, and immediate family members that you may find on the application form, please visit mbta.com/careers-app-definitions .
  • Intern / Co-Op Benefits: Employees taking part in an internship or co-op at the MBTA are eligible to receive accrued paid sick leave as well as a monthly transportation pass, based on the city from which the intern / co-op commutes to work, at no cost. However, no additional benefits are currently offered for interns or co-ops.

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