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Senior Data Engineer Jobs in Frederick, MD (NOW HIRING)

Sr. Data Engineer

Gaithersburg, MD ยท Remote

$117K - $140K/yr

Connsci is seeking a Senior Data Engineer to join our growing organization in support of one of our government customers. This individual will own the development and delivery of a cloud-based data ...

Sr. Data Engineer

Gaithersburg, MD ยท Remote

$123K - $148K/yr

Connsci is seeking a Senior Data Engineer to join our growing organization in support of one of our government customers. This individual will own the development and delivery of a cloud-based data ...

Sr. Data Engineer

Gaithersburg, MD ยท On-site

$135K - $175K/yr

Connsci is seeking a Senior Data Engineer to join our growing organization in support of one of our government customers. This individual will own the development and delivery of a cloud-based data ...

Sr. Data Engineer

Rockville, MD ยท On-site

$116K - $140K/yr

Use big data and cloud technologies to produce production quality code * Engage in performance tuning and scalability engineering * Work with team, peers and management to identify objectives and set ...

Sr. Data Engineer

Rockville, MD ยท On-site

$116K - $140K/yr

Use big data and cloud technologies to produce production quality code * Engage in performance tuning and scalability engineering * Work with team, peers and management to identify objectives and set ...

Data Engineer AWS - US Citizens

Leesburg, VA ยท On-site

$120K - $145K/yr

Senior Data professional with over 8 years of expertise in Data Engineering, Data Analysis, and Data Science. * Experience creating Data Marts, Data warehouses on-premise and on cloud for real time ...

Senior Data professional with over 8 years of expertise in Data Engineering, Data Analysis, and Data Science. * Experience creating Data Marts, Data warehouses on-premise and on cloud for real time ...

Senior Data professional with over 8 years of expertise in Data Engineering, Data Analysis, and Data Science. * Experience creating Data Marts, Data warehouses on-premise and on cloud for real time ...

Senior Data Scientist

Rockville, MD ยท Hybrid

$131K - $237K/yr

As a Senior Data Scientist, you will : * Lead the design, development, and deployment of advanced ... Contribute to the integration of AI, DevSecOps, data engineering, platform engineering ...

Senior Data Scientist

Rockville, MD ยท On-site

$131K - $237K/yr

As a Senior Data Scientist, you will : * Lead the design, development, and deployment of advanced ... Contribute to the integration of AI, DevSecOps, data engineering, platform engineering ...

Senior Big Data Engineer

Rockville, MD ยท On-site

$56.75 - $75.25/hr

We have an exciting opportunity for a Big Data Engineer with our client in Rockville. Responsibilities of the Big Data Engineer: * Analyze system requirements and design responsive solutions

Senior Data Scientist

Kearneysville, WV ยท On-site

$133K - $169K/yr

GovCIO is seeking a Senior Data Scientist to support a critical government computer system for the ... DevOps. * Strong foundational understanding of diverse IT domains including enterprise ...

Sr Health Interoperability Engineer

Leesburg, VA ยท On-site

$68 - $91/hr

We combine quality data-driven solutions that fuel answers, technology that advances performance ... Requirements: The Senior Health Interoperability Engineer is a critical role that will help ...

Senior Data Analytics Engineer

Germantown, MD ยท On-site

$100K - $153K/yr

Worker Type Regular Summary TheSenior Data Analytics Engineer role will be critical in developing and enhancing our Oracle-based data warehouse infrastructure to support enterprise-wide Power BI ...

Senior Big Data Architect

Rockville, MD ยท On-site

$68.50 - $91.75/hr

Skill Hadoop Big Data Engineer Senior Director Manager Location Rockville, MD Total Experience 8 yrs. Max Salary Not Mentioned Employment Type Direct Jobs (Full Time) Domain Any Description GC can ...

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Senior Data Engineer information

See Frederick, MD salary details

$80.5K

$125.6K

$174K

How much do senior data engineer jobs pay per year?

As of Aug 30, 2026, the average yearly pay for senior data engineer in Frederick, MD is $125,604.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,400.00 and $143,200.00 per year, depending on experience, location, and employer.

What is a senior data engineer?

Senior Data Engineers are experienced professionals who design, build, and maintain large-scale data processing systems and infrastructure. They are responsible for developing data pipelines, managing databases, and ensuring the efficient flow and integrity of data across various platforms. Senior Data Engineers often collaborate with data scientists, analysts, and other engineers to support business intelligence and machine learning projects. They also play a key role in implementing best practices for data security, quality, and governance within an organization.

What are some common challenges senior data engineers face when integrating data from multiple sources?

Senior Data Engineers often encounter challenges such as inconsistent data formats, varying data quality, and differing update frequencies when integrating data from multiple sources. Addressing these issues requires designing robust ETL (Extract, Transform, Load) pipelines, implementing data validation checks, and collaborating closely with source system owners to ensure data integrity. Effective communication with cross-functional teams and leveraging scalable data integration tools are also essential to streamline the process and minimize errors.

What are the key skills and qualifications needed to thrive as a senior data engineer, and why are they important?

To thrive as a Senior Data Engineer, you need strong expertise in data modeling, ETL development, programming (such as Python or Scala), and a degree in computer science or a related field. Proficiency with big data technologies (like Hadoop, Spark), cloud platforms (AWS, Azure, GCP), and database systems, as well as relevant certifications, is highly valuable. Excellent problem-solving, communication, and leadership skills help you collaborate across teams and mentor junior engineers. These skills and qualities ensure robust, scalable data solutions that support organizational decision-making and growth.

What is the difference between Senior Data Engineer vs Data Scientist?

AspectSenior Data EngineerData Scientist
Required CredentialsBachelor's/Master's in CS, Engineering, or related; experience with data pipelinesBachelor's/Master's in CS, Statistics, or related; proficiency in statistical analysis and modeling
Work EnvironmentBuild and maintain data infrastructure, optimize data workflowsAnalyze data, develop predictive models, generate insights
Employer & Industry UsageTech companies, finance, healthcare, where data engineering is essentialResearch, marketing, tech firms focusing on data analysis and modeling

While both roles work with data, Senior Data Engineers focus on developing and maintaining data infrastructure, whereas Data Scientists analyze data to generate insights and build models. They often collaborate but have distinct skill sets and responsibilities.

What do senior data engineers do?

Senior data engineers design, build, and maintain large-scale data pipelines and infrastructure to support data collection, storage, and analysis. They often work with tools like SQL, Spark, and cloud platforms, and may lead data team projects while ensuring data quality and security.

What are the most commonly searched types of Data Engineer jobs in Frederick, MD?

The most popular types of Data Engineer jobs in Frederick, MD are:

What are popular job titles related to Senior Data Engineer jobs in Frederick, MD?

For Senior Data Engineer jobs in Frederick, MD, the most frequently searched job titles are:

What job categories do people searching Senior Data Engineer jobs in Frederick, MD look for?

The top searched job categories for Senior Data Engineer jobs in Frederick, MD are:

What cities near Frederick, MD are hiring for Senior Data Engineer jobs?

Cities near Frederick, MD with the most Senior Data Engineer job openings:

Infographic showing various Senior Data Engineer job openings in Frederick, MD as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 17% Part Time, and 2% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $125,604 per year, or $60.4 per hour.

Sr. Data Engineer

Gaithersburg, MD โ€ข Remote

Connsci
IT Servicesย โ€ขย 11 - 50 employees

$117K - $140K/yr

Full-time

Posted 16 days ago


Job description

Connsci is seeking a Senior Data Engineer to join our growing organization in support of one of our government customers. This individual will own the development and delivery of a cloud-based data anomaly detection application. This role will set up a hosted infrastructure and will architect, lead and manage development activities according to a formal project schedule and deliverables plan, while providing hands-on technical support and leadership across data engineering, software development, analytics, anomaly detection, reporting, and system delivery. The solution is built on the Databricks Medallion architecture, with complex business-rule logic used to identify, organize, and present anomalies in the data set through Power BI and related dashboard capabilities in an Azure Government virtual environment.Key ResponsibilitiesDesign and maintain secure data ingestion pipelines using Azure Data Factory, API Management, and SFTPDevelopment and implementation of the data anomaly detection system, which will be hosted on Azure Gov. Cloud and based on Databricks Medallion architecture, Power BI reporting, and related application components.Create reports and technical documentation, mentor staff, resolve blockers, and ensure technical quality across Databricks, Power BI, and hosted web application components.Analyze source data from multiple systems with varying schemas.Develop and process data ingestion, rationalization, and analytic programming to support accurate anomaly detection.Manage data storage in Azure Data Lake Storage Gen2 (bronze/silver/gold architecture) with evidentiary controls (immutability, hashing, lineage).Optimize pipelines for performance, scalability, and cost efficiency across DEV, TEST, POC, PROD environments.Support development of business-rule logic used to classify, flag, summarize, and display anomalies in the hosted dashboard application.Maintain system security in compliance with NIST 800-53, 800-171, and related standards.Maintain technical work plans aligned to project milestones, contract deliverables, customer priorities, and formal schedule requirements.Maintain development, documentation, and functional quality standards.Track, communicate, and report on technical status, risks, dependencies, and schedule compliance to project leadership and customer stakeholders.Our Ideal Candidate Will HaveStrong understanding of the software development lifecycle (SDLC), system architecture, application integration, and associated documentation requirements.Experience working with imperfect, inconsistent, incomplete, or high-volume datasets.Excellent written and verbal technical and professional communication skills.Strong leadership, organizational, planning, scheduling, documentation, and problem-solving abilities.Required QualificationsBachelor's degree in IT, Computer Science, Engineering, or related field; or an equivalent combination of education and experience.At least 10 years of experience in software engineering, data engineering, or business intelligence.At least 5 years of experience designing, building, and deploying web-based applications.At least 5 years of experience managing software development projects with formal schedules, milestones, and phased customer deliverables.At least 5 years of experience with Power BI, ETL/ELT development, data modeling, dashboard and reporting solutions, and secure cloud environments.At least 2 years of experience with Databricks Medallion architecture (Bronze, Silver, Gold).At least 3 years of experience with data modeling and transformation using SQL and PySpark.Preferred QualificationsPrior experience supporting government, inspector general, audit, investigation, complaint, or other regulated case-management environments.Experience with Azure GovernmentRelevant Microsoft Azure and Databrick certifications.Experience designing high-reliability intake solutions where incoming records must be traceable, recoverable, auditable, and processed without manual intervention.  About ConnsciAt Connsci, our mission is to be a trusted strategic partner for our clients, helping them achieve impactful results by addressing mission-critical issues that affect their bottom line. We recognize the importance of customizing our services to best fit our clients' needs and understanding what it takes to propel their organizations forward. By implementing industry-leading best practices and leveraging our multifaceted experience and expertise, we deliver services that are essential for any organization aiming to reach its goals. What You Can Expect:Collaboration and Innovation: Work in an environment where collaboration and innovation are key. You'll have the opportunity to contribute to projects that make a real difference for our clients.Professional Growth: Be part of a team that values professional development. We offer opportunities for growth and advancement, allowing you to enhance your skills and career.Impactful Work: Engage in meaningful work that addresses mission-critical issues and supports organizations in achieving their goals.By joining Connsci, you'll become part of a dedicated team that is committed to delivering strategic, impactful solutions tailored to our clients' unique needs, enabling them to achieve their goals with confidence and efficiency. If you're passionate about cybersecurity and IT services, and eager to contribute to a dynamic team, we encourage you to explore opportunities with us.At this time, Connsci will not sponsor a new applicant for employment authorization for this position.  Connsci is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.  This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Connsci makes hiring decisions based solely on qualifications, merit, and business needs at the time.