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Principal Engineer

Principal Engineer

eSimplicitySilver Spring, MD, US
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Job Description

Job Description

Description : About Us :

eSimplicity is a modern digital services company that partners with government agencies to improve the lives and protect the well-being of all Americans, from veterans and service members to children, families, and seniors. Our engineers, designers, and strategists cut through complexity to create intuitive products and services that equip federal agencies with solutions to courageously transform today for a better tomorrow.

Position Overview :

We are seeking a hands-on Engineering Lead with 7+ years of experience to lead technical efforts in connecting or potentially migrating data between two large-scale, petabyte-level data systems. This role requires a deep understanding of modern data architecture, cloud-native platforms, and scalable data processing. The ideal candidate will have strong leadership skills, a collaborative mindset, and the ability to guide cross-functional teams through complex technical challenges involving disparate infrastructure environments.

Responsibilities :

  • Lead engineering efforts to design and implement integration or migration solutions across petabyte-scale data platforms.
  • Provide technical direction and mentoring to a multidisciplinary team of data engineers, DevOps, and cloud professionals.
  • Collaborate with stakeholders to define integration strategies, assess migration feasibility, and align with broader data and cloud initiatives.
  • Oversee development and automation of secure, scalable data pipelines across evolving or heterogeneous environments.
  • Promote best practices in infrastructure-as-code, DevSecOps, and cloud-based data architecture (with a focus on AWS and Databricks).
  • Enforce best practices and coding standards that promote code reusability, maintainability, and performance.
  • Troubleshoot and resolve technical challenges involving data movement, transformation, security, and infrastructure reliability.
  • Support delivery planning, including sprint coordination, roadmap alignment, and milestone tracking.
  • Communicate technical progress, risks, and recommendations to senior leadership and project stakeholders.

Requirements :

Required Qualifications :

  • All candidates must pass public trust clearance through the U.S. Federal Government. This requires candidates to either be U.S. citizens or pass clearance through the Foreign National Government System which will require that candidates have lived within the United States for at least 3 out of the previous 5 years, have a valid and non-expired passport from their country of birth and appropriate VISA / work permit documentation.
  • 7+ years of experience in software or data engineering, including experience leading technical teams or project tracks.
  • 7+ years software engineering experience across object-oriented-programming languages (preferred Python, JavaScript)
  • Strong hands-on expertise with cloud-based data platforms, including AWS, Apache Spark, Databricks, and related tools.
  • Proven ability to rapidly understand and assimilate complex, large-scale systems.
  • Proven expertise in designing large-scale system architectures.
  • Proficient in AWS cloud infrastructure and services (VPC, DNS, Route53, Peering, RDS, S3, IAM, EKS, ECS,…).
  • Experience designing and managing automated data pipelines, especially in environments with large, complex datasets.
  • Experience developing event-driven architectures and secure RESTful API Services.
  • Proficiency with Terraform, CloudFormation, or similar infrastructure-as-code tools.
  • Familiarity with DevOps / DevSecOps pipelines and secure deployment practices.
  • Strong problem-solving skills with the ability to work across engineering and stakeholder groups.
  • Excellent communication skills and the ability to clearly convey technical decisions and risks.
  • Ability to develop comprehensive project documentation, such as playbooks, how-to docs, design docs, presentations.
  • Knowledge of AuthN and AuthZ systems, including Active Directory, Okta, OAuth, SAML
  • Desired Qualifications :

  • CMS and Healthcare Expertise : In-depth knowledge of CMS regulations and experience with complex healthcare projects; in particular, data infrastructure related projects or similar.
  • Demonstrated success providing support within the CMS OIT environment, ensuring alignment with organizational goals and technical standards.
  • Demonstrated experience and familiarity with CMS OIT data systems (e.g. IDR-C, CCW, EDM)
  • Familiarity with legacy and modern data systems such as Snowflake, Redshift, Hadoop, or Hive.
  • Familiarity with data mesh principles and domain-oriented architectures.
  • Understanding of federal security standards, compliance frameworks, and cloud governance.
  • Working Environment :

    eSimplicity supports a hybrid work environment operating within the Eastern time zone so we can work with and respond to our government clients. Expected hours are 9 : 00 AM to 5 : 00 PM Eastern unless otherwise directed by your manager.

    Occasional travel for training and project meetings. It is estimated to be less than 5% per year.

    Benefits :

    We offer highly competitive salaries and full healthcare benefits.

    Equal Employment Opportunity :

    eSimplicity is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender, age, status as a protected veteran, sexual orientation, gender identity, or status as a qualified individual with a disability.

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