Data Engineer
Sentinel Group
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Descripción de la vacante
Sentinel Group is seeking a Data Engineer to design, build, and maintain secure data pipelines and platforms for analytics and decision support. You will own end-to-end data solutions, collaborate with cross-functional teams, and mentor junior engineers in a hybrid Wakefield, MA environment.
The role emphasizes data quality, scalability, and secure data practices, with a focus on AWS, data modeling, and CI/CD-enabled infrastructure.
Formación
- Bachelor’s or Master’s degree in Computer Science, Data Engineering, Information Systems, Mathematics, or related field.
- 4+ years of professional data engineering experience.
- Demonstrated experience designing, building, deploying, and supporting production data pipelines.
- Advanced SQL skills, including complex joins, transformations, performance tuning, and data validation.
- Strong programming experience with Python or another language used for data processing and automation.
- Strong understanding of data modeling, relational databases, analytical warehouses, data lakes, and dimensional modeling.
- Experience with AWS or another major cloud platform, including cloud storage, compute, networking, monitoring, and access-control concepts.
- Experience implementing data quality checks, automated testing, observability, logging, alerting, and operational runbooks.
- Experience with Git, pull requests, CI/CD, infrastructure as code, and modern software development practices.
- Experience working with sensitive, confidential, regulated, or financial data and applying appropriate security controls.
- Ability to work in a hybrid work environment, with one day in the office.
- Authorized to work in the US without current or future sponsorship.
Responsabilidades
- Lead end-to-end data pipelines, models, and platform capabilities.
- Own production data systems, availability and incident response.
- Develop and own a long term vision for our data landscape.
- Translate business and technical requirements into architecture, implementation plans, and incremental deliverables.
- Design and implement scalable ETL/ELT workflows that ingest, transform, validate, and deliver data from APIs, databases, files, and other systems.
- Define and improve standards for data quality, testing, documentation, lineage, observability, security, governance, and access control.
- Review architecture, technical designs, pull requests, and operational changes to identify risks and improve maintainability and performance.
- Lead the modernization of legacy data processes and move to secure, automated, cloud-based solutions that follow CI.
- Diagnose complex data, pipeline, performance, and reliability issues and drive mitigation and prevention.
- Optimize queries, storage, processing, and infrastructure for performance, scalability, and cost efficiency.
- Collaborate with Business Analysts, Data Analysts, Software Engineers, Product Owners, Security, Infrastructure, and other stakeholders to deliver trusted data solutions.
- Mentor junior and mid-level engineers through pairing, code reviews, and knowledge sharing.
- Evaluate emerging technologies and make recommendations that support Sentinel’s long-term data strategy.
Conocimientos
Educación
Herramientas
Descripción del empleo
Location Note: This a hybrid role for ourWakefield,MA office(In-office one day per week, plusadditionalin-person trainings and workshops as needed)
The Data Engineer is part of the development team responsible for building, maintaining, enhancing, and integrating Sentinel’s data pipelines, data platforms, and connected systems. This role owns the design and delivery of secure, scalable, reliable, and well-documented data solutions that support Sentinel’s applications, reporting, analytics, and business decisions. A Data Engineer works across the full data engineering lifecycle: understanding business and technical requirements, defining architecture, documenting technical specifications, designing data models, developing and reviewing code, validating data quality, troubleshooting production issues, and supporting releases. This role provides technical leadership, makes sound engineering decisions, improves our standards and processes, and mentors other engineers while remaining hands-on in the work.
- A strong commitment to building secure, maintainable, testable, observable, and cost-effective data systems.
- Demonstrated expertise designing and operating production-grade data pipelines and data platforms.
- Advanced SQL skills and strong programming experience with Python or another language used for data engineering.
- Deep understanding of data modeling, data warehousing, data lakes, ETL/ELT, and workflow orchestration.
- Experience designing cloud-based solutions, preferably using AWS and its data services.
- Strong judgment when balancing scalability, reliability, performance, security, delivery speed, and cost.
- A quality and reliability mindset, including ownership of data accuracy, lineage, monitoring, and operational readiness.
- The ability to communicate complex technical concepts clearly and build consensus across teams.
- A mentoring mindset and willingness to improve engineering practices across Sentinel.
- Curiosity about how AI can responsibly improve engineering productivity, data quality, testing, and operational support while protecting sensitive information.
- Lead the design, development, and evolution of end-to-end data pipelines, integrations, data models, and platform capabilities.
- Own production data systems and contribute to their availability, monitoring, incident response, root‑cause analysis, and continuous improvement.
- Develop and own a long term vision for our data landscape.
- Translate business and technical requirements into clear architecture, implementation plans, and incremental deliverables.
- Design and implement scalable ETL/ELT workflows that ingest, transform, validate, and deliver data from APIs, databases, files, and other systems.
- Define and improve standards for data quality, testing, documentation, lineage, observability, security, governance, and access control.
- Review architecture, technical designs, pull requests, and operational changes to identify risks and improve maintainability and performance.
- Lead the modernization of legacy data processes and help move them toward secure, automated, cloud‑based solutions that follow our CI.
- Diagnose complex data, pipeline, performance, and reliability issues and drive both immediate mitigation and durable prevention.
- Optimize queries, storage, processing, and infrastructure for performance, scalability, and cost efficiency.
- Collaborate with Business Analysts, Data Analysts, Software Engineers, Product Owners, Security, Infrastructure, and other stakeholders to deliver trusted data solutions.
- Mentor junior and mid‑level engineers through pairing, code reviews, technical guidance, documentation, and knowledge sharing.
- Evaluate emerging technologies and make recommendations that support Sentinel’s long‑term data and engineering strategy.
We are looking for smart and innovative thinkers to drive our business and clients forward—someone with self‑motivation, drive, determination, and the strength of character to challenge the status quo. We strive to surround ourselves with team members who are proud of their work and look for people who are willing to embrace change. You are a hands‑on technical leader who can move comfortably between architecture, implementation, operations, and stakeholder conversations. You are comfortable working through ambiguity, making trade‑offs explicit, and taking ownership of outcomes from concept through production. You raise the quality of the systems and the people around you through thoughtful reviews, clear communication, practical standards, and a willingness to share what you have learned.
- Bachelor’s or Master’s degree in Computer Science, Data Engineering, Information Systems, Mathematics, or a related field—or equivalent experience.
- 4+ years of professional experience in data engineering, data platform engineering, software engineering, or a related role.
- Demonstrated experience designing, building, deploying, and supporting production data pipelines.
- Advanced SQL skills, including complex joins, transformations, performance tuning, and data validation.
- Strong programming experience with Python or another language used for data processing and automation.
- Strong understanding of data modeling, relational databases, analytical warehouses, data lakes, and dimensional modeling.
- Experience with AWS or another major cloud platform, including cloud storage, compute, networking, monitoring, and access‑control concepts.
- Experience implementing data quality checks, automated testing, observability, logging, alerting, and operational runbooks.
- Experience with Git, pull requests, CI/CD, infrastructure as code, and modern software development practices.
- Experience working with sensitive, confidential, regulated, or financial data and applying appropriate security controls.
- Ability to work in a hybrid work environment, with one day in the office.
- Authorized to work in the US without current or future sponsorship.
Salary Range: $106,000-$113,000
At Sentinel, compensation is calibrated to your geographic location to reflect local market conditions; the posted salary range may vary based on where you live.
- Experience with Snowflake or another modern data platform.
- Experience with streaming or event‑driven systems.
- Experience with Docker, Kubernetes, Terraform, CloudFormation, or similar technologies.
- Experience leading data‑platform migrations or replacing legacy ETL processes.
- Experience with data contracts, metadata management, data catalogs, and lineage platforms.
- Experience supporting machine‑learning, AI, semantic‑layer, or feature‑engineering use cases.
- Cloud or data‑engineering certifications.
- Experience participating in technical interviews and contributing to hiring decisions.
Joining our company means becoming part of something special. We're driven by a mission to excel in our industry and within our team, supported by people who truly care about our organization. Sentinel was recently recognized by The Boston Globe as a Top Place to Work in 2020 and 2023. In 2021, 2022, 2023 and 2024, Sentinel earned a Top Workplace USA Award from Energage. At Sentinel, we welcome people from diverse experiences, backgrounds, and perspectives – and we wouldn’t have it any other way. So even if you don’t meet every single requirement, please consider applying if you like what you see. Our priority is to find talented individuals who enrich our team culture, contribute with enthusiasm, and are passionate about what they do. Sentinel is an equal opportunity employer and welcomes everyone to our team. If you need reasonable adjustments at any point in the application or interview process, please let us know.
- PTO (vacation, sick, personal time bank)
- FTO (Flexible time off for vacation, sick and personal time) after 2 years of service
- 12 Paid Holidays (10 stated and 2 floating holidays)
- 2 Community Volunteer Days
- 5 Summer Half Days
- Medical, Dental, Vision
- Life Insurance
- LTD & STD
- Retirement Plan with 4% Employer Match
- Parental Leave
https://www.sentinelgroup.com/About-Us/Join-Our-Team
Sentinel Group proudly serves nearly 5,000 clients throughout the U.S. For 35+ years, we’ve remained devoted to positively impacting the lives of our people, our clients and our communities. With a 9-year average associate tenure among our 265 professionals, our team’s commitment to excellent service has positioned Sentinel as the only provider who makes benefits EASY: easy for your people; easy for your business; and easy for you. Our ultimate goal is to help companies and their employees prepare for their future health, wealth and retirement needs. Whether it’s through retirement plans, group health insurance, reimbursement accounts or financial planning, we engineer simple solutions and continuously strive to make them better. Our in‑house experts – and their commitment to excellence – define who we are. Sentinel is also one of the largest employee benefits firms in Massachusetts (Boston Business Journal) and was named a 2022 Retirement Plan Adviser of the Year in the Mentorship category (PLANADVISER Magazine).
Location Note: This a hybrid role for ourWakefield,MA office(In-office one day per week, plusadditionalin-person trainings and workshops as needed)
The Data Engineer is part of the development team responsible for building, maintaining, enhancing, and integrating Sentinel’s data pipelines, data platforms, and connected systems. This role owns the design and delivery of secure, scalable, reliable, and well-documented data solutions that support Sentinel’s applications, reporting, analytics, and business decisions. A Data Engineer works across the full data engineering lifecycle: understanding business and technical requirements, defining architecture, documenting technical specifications, designing data models, developing and reviewing code, validating data quality, troubleshooting production issues, and supporting releases. This role provides technical leadership, makes sound engineering decisions, improves our standards and processes, and mentors other engineers while remaining hands‑on in the work.
- A strong commitment to building secure, maintainable, testable, observable, and cost-effective data systems.
- Demonstrated expertise designing and operating production-grade data pipelines and data platforms.
- Advanced SQL skills and strong programming experience with Python or another language used for data engineering.
- Deep understanding of data modeling, data warehousing, data lakes, ETL/ELT, and workflow orchestration.
- Experience designing cloud-based solutions, preferably using AWS and its data services.
- Strong judgment when balancing scalability, reliability, performance, security, delivery speed, and cost.
- A quality and reliability mindset, including ownership of data accuracy, lineage, monitoring, and operational readiness.
- The ability to communicate complex technical concepts clearly and build consensus across teams.
- A mentoring mindset and willingness to improve engineering practices across Sentinel.
- Curiosity about how AI can responsibly improve engineering productivity, data quality, testing, and operational support while protecting sensitive information.
- Lead the design, development, and evolution of end-to-end data pipelines, integrations, data models, and platform capabilities.
- Own production data systems and contribute to their availability, monitoring, incident response, root‑cause analysis, and continuous improvement.
- Develop and own a long term vision for our data landscape.
- Translate business and technical requirements into clear architecture, implementation plans, and incremental deliverables.
- Design and implement scalable ETL/ELT workflows that ingest, transform, validate, and deliver data from APIs, databases, files, and other systems.
- Define and improve standards for data quality, testing, documentation, lineage, observability, security, governance, and access control.
- Review architecture, technical designs, pull requests, and operational changes to identify risks and improve maintainability and performance.
- Lead the modernization of legacy data processes and help move them toward secure, automated, cloud‑based solutions that follow our CI.
- Diagnose complex data, pipeline, performance, and reliability issues and drive both immediate mitigation and durable prevention.
- Optimize queries, storage, processing, and infrastructure for performance, scalability, and cost efficiency.
- Collaborate with Business Analysts, Data Analysts, Software Engineers, Product Owners, Security, Infrastructure, and other stakeholders to deliver trusted data solutions.
- Mentor junior and mid‑level engineers through pairing, code reviews, technical guidance, documentation, and knowledge sharing.
- Evaluate emerging technologies and make recommendations that support Sentinel’s long‑term data and engineering strategy.
We are looking for smart and innovative thinkers to drive our business and clients forward—someone with self‑motivation, drive, determination, and the strength of character to challenge the status quo. We strive to surround ourselves with team members who are proud of their work and look for people who are willing to embrace change. You are a hands‑on technical leader who can move comfortably between architecture, implementation, operations, and stakeholder conversations. You are comfortable working through ambiguity, making trade‑offs explicit, and taking ownership of outcomes from concept through production. You raise the quality of the systems and the people around you through thoughtful reviews, clear communication, practical standards, and a willingness to share what you have learned.
- Bachelor’s or Master’s degree in Computer Science, Data Engineering, Information Systems, Mathematics, or a related field—or equivalent experience.
- 4+ years of professional experience in data engineering, data platform engineering, software engineering, or a related role.
- Demonstrated experience designing, building, deploying, and supporting production data pipelines.
- Advanced SQL skills, including complex joins, transformations, performance tuning, and data validation.
- Strong programming experience with Python or another language used for data processing and automation.
- Strong understanding of data modeling, relational databases, analytical warehouses, data lakes, and dimensional modeling.
- Experience with AWS or another major cloud platform, including cloud storage, compute, networking, monitoring, and access‑control concepts.
- Experience implementing data quality checks, automated testing, observability, logging, alerting, and operational runbooks.
- Experience with Git, pull requests, CI/CD, infrastructure as code, and modern software development practices.
- Experience working with sensitive, confidential, regulated, or financial data and applying appropriate security controls.
- Ability to work in a hybrid work environment, with one day in the office.
- Authorized to work in the US without current or future sponsorship.
Salary Range: $106,000-$113,000
At Sentinel, compensation is calibrated to your geographic location to reflect local market conditions; the posted salary range may vary based on where you live.
- Experience with Snowflake or another modern data platform.
- Experience with streaming or event‑driven systems.
- Experience with Docker, Kubernetes, Terraform, CloudFormation, or similar technologies.
- Experience leading data‑platform migrations or replacing legacy ETL processes.
- Experience with data contracts, metadata management, data catalogs, and lineage platforms.
- Experience supporting machine‑learning, AI, semantic‑layer, or feature‑engineering use cases.
- Cloud or data‑engineering certifications.
- Experience participating in technical interviews and contributing to hiring decisions.
Joining our company means becoming part of something special. We're driven by a mission to excel in our industry and within our team, supported by people who truly care about our organization. Sentinel was recently recognized by The Boston Globe as a Top Place to Work in 2020 and 2023. In 2021, 2022, 2023 and 2024, Sentinel earned a Top Workplace USA Award from Energage. At Sentinel, we welcome people from diverse experiences, backgrounds, and perspectives – and we wouldn’t have it any other way. So even if you don’t meet every single requirement, please consider applying if you like what you see. Our priority is to find talented individuals who enrich our team culture, contribute with enthusiasm, and are passionate about what they do. Sentinel is an equal opportunity employer and welcomes everyone to our team. If you need reasonable adjustments at any point in the application or interview process, please let us know.
- PTO (vacation, sick, personal time bank)
- FTO (Flexible time off for vacation, sick and personal time) after 2 years of service
- 12 Paid Holidays (10 stated and 2 floating holidays)
- 2 Community Volunteer Days
- 5 Summer Half Days
- Medical, Dental, Vision
- Life Insurance
- LTD & STD
- Retirement Plan with 4% Employer Match
- Parental Leave
https://www.sentinelgroup.com/About-Us/Join-Our-Team
Sentinel Group proudly serves nearly 5,000 clients throughout the U.S. For 35+ years, we’ve remained devoted to positively impacting the lives of our people, our clients and our communities. With a 9-year average associate tenure among our 265 professionals, our team’s commitment to excellent service has positioned Sentinel as the only provider who makes benefits EASY: easy for your people; easy for your business; and easy for you. Our ultimate goal is to help companies and their employees prepare for their future health, wealth and retirement needs. Whether it’s through retirement plans, group health insurance, reimbursement accounts or financial planning, we engineer simple solutions and continuously strive to make them better. Our in‑house experts – and their commitment to excellence – define who we are. Sentinel is also one of the largest employee benefits firms in Massachusetts (Boston Business Journal) and was named a 2022 Retirement Plan Adviser of the Year in the Mentorship category (PLANADVISER Magazine).
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