2mo
Save
Mark Applied
Hide
Principal Data Engineer – Mission Data Pipelines
Reston, Virginia, United States
$200k-$275k/yr HybridFull Time
9+ YOE9+ years experience with a CS/engineering/IT field; 7+ with a Master’s or 4+ with a PhD; 7+ in DoD/IC environments; strong data pipelines/ETL; JSON/XML/CSV; TS/SCI/SAP access with polygraph.
Apache NiFi, Apache Airflow, Python, Pandas, NumPy, REST
1w
Save
Mark Applied
Hide
Principal Data Engineer, People Data
Bellevue or Chicago or San Francisco or Washington
$197k-$271k/yr HybridFull Time
10+ YOE10+ years data engineering experience; expert SQL, ETL/ELT, MPP databases, AWS services; HR/People data experience; experience with batch and realtime pipelines, lakehouse architectures, and data quality frameworks.
SQL, Airflow, dbt, Snowflake, Redshift, Amazon S3, AWS Lambda, EMR, ECR, EKS, Workday, Spark, Kafka, Databricks, Iceberg, Delta
2mo
Save
Mark Applied
Hide
Principal Data Engineering - Remote
Minneapolis or Washington
$113k-$193k/yr RemoteFull Time
8+ YOESenior data engineer designing and building cloud-based data platforms and pipelines; 8+ years of experience; hands-on with cloud platforms; SQL/Python; ETL/ELT; data warehousing; CI/CD; security/compliance.
GCP, AWS, Azure, Databricks, Snowflake, Terraform, DBT, Great Expectations, Cloud Storage
2mo
Save
Mark Applied
Hide
Principal Consultant, Data Engineer
Arlington or Chicago or Remote
$150k-$170k/yr RemoteFull Time
3+ YOE5+ years data engineering, ETL, data warehousing; SAP data experience; Databricks; cloud (AWS/Azure); client-facing; strong communication.
Databricks, AWS, Azure, ETL, ELT, SAP, S/4HANA, SAP HANA
1mo
Save
Mark Applied
Hide
Principal Software/Data Engineer
Laurel, Maryland, United States
OnsiteFull Time
19+ YOEExtensive software engineering experience; TS/SCI with polygraph; cloud infrastructure experience; strong Linux and Python; IT management understanding.
OpenStack, Linux, Python, Cloud infrastructure, COTS, GOTS
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Washington, District of Columbia, United States
$152k-$229k/yr RemoteFull Time
5+ YOE5+ years in data/backend/platform engineering; strong Python; cloud infra; Kafka/RabbitMQ; SQL/NoSQL; CI/CD; IaC; data pipelines; security data domain interest.
Python, Go, Rust, Cloud infrastructure, Kafka, RabbitMQ, PostgreSQL, MongoDB, Elasticsearch, Delta Lake, AWS Neptune, Neo4j, Flask, Django, FastAPI, CI/CD, GitHub Actions, Terraform, Infrastructure as Code
3mo
Save
Mark Applied
Hide
Principal Data Links and Communications Engineer
Bedford, Massachusetts, United States
$140k-$155k/yr OnsiteFull Time
20+ YOEUS citizen; advanced degree with extensive DoD experience; Top Secret/SCI clearance; data links, MBSE, DoD T&E; DecSecOps, Cloud, JIRA/Confluence/GIT/Cameo; travel limited.
DecSecOps, Cloud, MBSE, JIRA, Confluence, GIT, Cameo tool
1mo
Save
Mark Applied
Hide
Data Center BESS Principal Engineer
Arlington or Alpharetta or Houston
HybridFull Time
10+ YOESenior electrical/mechanical engineer with 10+ years in energy storage or electrical infrastructure, master's in electrical engineering required, PE preferred, proven track record closing complex B2B transactions, expertise in data center power, controls, modeling (PSCAD, EMT/RMS), and strong communication skills.
PSCAD, EMT/RMS
3mo
Save
Mark Applied
Hide
Principal Data Center MEP Engineer
Emeryville or Charlotte or Houston or Reston or Dallas or Naperville or Ohio or Washington or Oregon or United States
$150k-$195k/yr HybridFull Time
6+ YOEBachelor's in engineering (ABET), PE preferred, typically 6 years hyperscale data center design experience (15 years total preferred), ETABS and CAD proficiency, Microsoft Office skills, ability to travel 15–25% and perform site inspections.
Microsoft Office, Microsoft Word, Microsoft Excel, CAD, ETABS
1mo
Save
Mark Applied
Hide
Senior Principal, Data Engineering
Arlington or O'Fallon
$212k-$390k/yr OnsiteFull Time
Design, build, and operate enterprise-scale cloud-native data platforms across AWS and Azure; hands-on Spark/PySpark and Python experience; Infrastructure-as-Code and CI/CD; strong cloud security and data governance expertise.
AWS S3, Amazon EC2, AWS Lambda, AWS Glue, Amazon Redshift, Amazon EMR, Amazon Athena, AWS Lake Formation, Databricks, Azure Data Factory, Azure Synapse, Azure Fabric, Azure Data Lake, Terraform, CloudFormation, Bicep/ARM, Azure DevOps, GitLab CI/CD, Spark, PySpark, Python, Bash, PowerShell, Docker, Kubernetes, ECS, AKS, CloudWatch, Azure Monitor, ELK, Grafana
1mo
Save
Mark Applied
Hide
Principal Data Engineer, Operations Manager II (NCS) - Mayor's Office of Performance and Innovation
Baltimore, Maryland, United States
$107k-$177k/yr OnsiteFull Time
7+ YOEBachelor's in CS/Data Science/Information Systems (or equivalent), 7+ years data engineering experience, proficiency with Python, PostgreSQL, ETL/ELT, data modeling, and collaborative engineering practices.
Python, Pandas, Polars, SQLAlchemy, requests, PostgreSQL, SQL, GitHub, ETL/ELT, CI/CD
1w
Save
Mark Applied
Hide
Principal Marketing Data Ops Engineer II
Bethesda or Getzville or New York City or Beachwood or Indianapolis or Tucson or Tampa or Chicago or Fredericksburg or Melville
HybridFull Time
7+ YOE7+ years building data pipelines in Python/Scala, 7+ years SQL with enterprise warehouses, 5+ years ETL/ELT and cloud infrastructure experience (Azure/AWS/GCP); BA/BS preferred.
Python, Scala, SQL, Snowflake, Databricks, Azure, AWS, GCP, Azure Data Factory, Microsoft Dynamics, Statsig, REST API
2w
Save
Mark Applied
Hide
Principal Data Scientist
Annapolis Junction, Maryland, United States
$150k-$210k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph, Bachelor\u0002s degree with 8+ years (advanced degree may substitute), proficiency in Python, Docker, Kubernetes, ML and defensive cyber ops experience, strong Linux and data engineering skills.
Python, Docker, Kubernetes, R, SQL, NoSQL, graph, vector databases, Jupyter Notebooks, Linux, Ubuntu, CentOS, RHEL, AWS, Cisco (CCNA), Big Data Platform (BDP), STIGs, IAVA, Network Analysis Tools
1mo
Save
Mark Applied
Hide
Principal / Sr. Principal Systems Engineer - Electronic Warfare (EW)
Baltimore or Linthicum
$109k-$204k/yr OnsiteFull Time
5+ YOEUS citizen with interim/final Secret clearance required; STEM bachelor's (or equivalent experience) with 5+ years related experience (Principal) or 8+ (Sr Principal); 3+ yrs EW/radar design/integration/testing; MATLAB proficiency; HWIL/SWIL and RF lab test equipment experience; data analysis and tool development skills.
MATLAB, Python, C++, Hardware-in-the-loop (HWIL), Software-in-the-loop (SWIL)
2w
Save
Mark Applied
Hide
Data Scientist, Principal
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$182k-$273k/yr HybridFull Time
8+ YOEAdvanced experience in applied AI/ML and software development, strong Python engineering, hands-on with deep learning and LLM frameworks, experience building production AI applications and leading ML design.
Python, PyTorch, TensorFlow, LangChain, LangGraph, SQL, Spark, Azure, Google Cloud, AWS
2mo
Save
Mark Applied
Hide
Principal Cybersecurity Engineer
Reston, Virginia, United States
$185k-$277k/yr HybridFull Time
9+ YOE9+ years in building GRC platforms; proficient in Python/Go/Java; strong SDLC governance; architecture, data models, API design; leads technical roadmaps; experience automating risk data.
Python, Go, Java, Git, APIs, ETL, Data Modeling, NIST, FAIR
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Annapolis Junction, Maryland, United States
$200k-$280k/yr OnsiteFull Time
20+ YOETS/SCI with Polygraph clearance; 20 years SWE experience; US citizenship; strong communication; data analytics and leadership.
Java, Python, NiFi, DataXplorer, GMAE, Pig, MapReduce, Spark, Hadoop, Scala
3w
Save
Mark Applied
Hide
Principal Knowledge & Data Architect
Chevy Chase, Maryland, United States
$175k-$284k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent, 8+ years in data engineering/IR/applied ML with 3+ years in production knowledge management; production RAG, knowledge graphs, entity resolution, Python, SQL, vector DBs, and data modeling experience.
Python, SQL, Postgres, pgvector, Pinecone, Weaviate, Qdrant, Neo4j, AWS Neptune, JanusGraph, TigerGraph, Stardog, Cypher, SPARQL, Gremlin, Databricks, dbt, RDFS, OWL, SKOS
2mo
Save
Mark Applied
Hide
Principal Structural Engineer
Reston or Chandler or Houston or United States
HybridFull Time
13+ YOEBachelor's or master's degree plus 13+ years relevant structural engineering experience; subject-matter expert in design and supervision for advanced manufacturing and data center facilities.
1mo
Save
Mark Applied
Hide
Principal Network Engineer
Denver or Alexandria or Seattle or Austin
$120k-$150k/yr OnsiteFull Time
10+ YOE10+ years network engineering experience with fiber, cabling, DWDM/CWDM, routing/switching, and data center or mission-critical environments; strong vendor/contract experience and ability to support projects from design through operations.
DWDM, CWDM, AutoCAD, Visio, GIS, EPMS
Explore Jobs