45 java specialist jobs at 26 companies in Herndon, VA
2mo
Save
Mark Applied
Hide
NLM QA Specialist I - III
Bethesda, Maryland, United States
$50k-$135k/yr OnsiteFull Time
0+ YOEQA Specialists with experience in software QA, testing, automated testing, security practices, and government compliance.
Python, Java, JavaScript, Shell Scripting, Linux, Windows, MacOS, Web Technologies
2w
Save
Mark Applied
Hide
IT Specialist
Washington, District of Columbia, United States
$144k-$187k/yr OnsiteFull Time
1+ YOEU.S. citizen with 1+ year specialized experience designing, developing, modernizing, and optimizing enterprise financial software (Java or equivalent) and SQL for financial/loan systems; background investigation and Public Trust required.
Java, SQL
4w
Save
Mark Applied
Hide
COTS Integration Specialist 734
Annapolis Junction, Maryland, United States
$150k-$200k/yr OnsiteFull Time
6+ YOETS/SCI with Polygraph, 6+ years software development, strong Java and SharePoint experience, FEITH and records migration familiarity, REST/API and parsing skills, Gitlab/Maven/JFrog use, SQL/Oracle, Linux/Windows expertise, bachelor’s in CS or equivalent.
AWS, SharePoint, C++, FEITH, SQL, SQL Server, Java, Oracle, Linux, Windows, JIRA, Confluence, Gitlab, Maven, JFrog Artifactory, REST
1w
Save
Mark Applied
Hide
Scientific Data Engineering Specialist
McLean, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Bachelor's degree; experience with geospatial and cloud-native scientific data systems, microservices, event-driven pipelines, Java, Spring Boot, and scientific data workflows. U.S. citizenship required.
PostGIS, GOES-R, NEXRAD, Java, Spring Boot, Python, Kafka, Pulsar, AWS EKS, Amazon S3, Amazon SQS, Amazon SNS, IAM, MongoDB, Redis, WebGL, ArcGIS
3mo
Save
Mark Applied
Hide
QA Analyst & Automation Specialist
Adelphi, Maryland, United States
OnsiteContract
5+ YOE5-7 years QA experience including manual and automation testing; Java-based automation frameworks; Playwright with TypeScript; API testing; SaaS testing; CI/CD integration.
Playwright, TypeScript, Java, API testing, Postman, SQL, OpenAPI/Swagger, JMeter, CI/CD, Git, MuleSoft Anypoint, OnBase, DocuSign
1w
Save
Mark Applied
Hide
Scientific Data Engineering Specialist
McLean, Virginia, United States
$78k-$176k/yr HybridFull Time
Bachelor's degree; experience with geospatial data, cloud-native scientific systems, microservices, event-driven pipelines, Java, Spring Boot, and scientific data workflows. U.S. citizenship required.
PostGIS, GOES-R, NEXRAD, Java, Spring Boot, Python, Kafka, Pulsar, AWS EKS, Amazon S3, Amazon SQS, Amazon SNS, IAM, MongoDB, Redis, WebGL, ArcGIS
1mo
Save
Mark Applied
Hide
Senior Specialist, Software Engineering 1 (40201)
Rochester or Chantilly or Melbourne
$97k-$208k/yr OnsiteFull Time
6+ YOEBachelor's in STEM plus 6 years experience (or equivalent); experience with Java, PostgreSQL, Linux, CI/CD, Git workflows; Top Secret clearance with SCI eligible.
Java, Java 11, JUnit, Mockito, SQL, PostgreSQL, Linux, Maven, GIT, Netbeans, Bitbucket, Gitlab, Jenkins, JBoss, Wildfly, RESTful services, Bash, Groovy, Python, C++, GeoJSON, NITF, TIFF, WFS, WMS
2mo
Save
Mark Applied
Hide
Senior Specialist, Federal Data Science
Washington or McLean
OnsiteFull Time
3+ YOE3+ years technical data science experience, Bachelor's degree, proficiency in Python/R/Java/SQL, deep learning and big data tools, cloud experience, ability to travel, and U.S. Government Secret clearance.
Python, R, Java, SQL, TensorFlow, PyTorch, Keras, Fast.ai, Spark, Hadoop, Kafka, Flask, Shiny, Django, Dash
1w
Save
Mark Applied
Hide
SharePoint Specialist
Arlington, Virginia, United States
$110k-$160k/yr OnsiteFull Time
4+ YOEBachelor's degree in computer science, software engineering, or related field; 4+ years in SharePoint/web design, software development, or testing/QA; Secret clearance; HTML/CSS, programming, databases, REST, and testing experience.
SharePoint, HTML, CSS, C#, Java, JavaScript, .NET, RESTful services, Microsoft Office, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel, CI/CD
1w
Save
Mark Applied
Hide
Documentation Specialist
Dayton or Fairfax
RemoteFull Time
5+ YOERequires U.S. citizenship, ability to obtain Tier-3 Secret clearance, and 5–7 years in configuration management and technical documentation, with federal processes, Git, Jira, and Confluence experience.
DevSecOps, CI/CD, Oracle, Java, Jira, Confluence, Git, infrastructure as code (IaC)
5d
Save
Mark Applied
Hide
Database Specialist
Rockville, Maryland, United States
$120k-$150k/yr OnsiteFull Time
Requires database administrator certification and extensive enterprise relational database experience, including Oracle administration, SQL, PL/SQL, performance tuning, security, backup and recovery, troubleshooting, upgrades, and cloud or data center environments.
Oracle, SQL, PL/SQL, Oracle Database 19c, Oracle RDS, Oracle WebLogic, Java, AWS, GitLab, JIRA, ServiceNow
4d
Save
Mark Applied
Hide
Lead Information Technology Specialist (Systems Analysis/Applications Software)
Washington or Baltimore or New Carrollton or Detroit or Memphis or Austin or Austin or Farmers Branch or Fort Worth or Fort Worth or Ogden or Norfolk or Vienna or Kearneysville or Martinsburg
$126k-$187k/yr OnsiteFull Time
1+ YOERequires one year of GS-13 equivalent specialized IT experience, including leading projects, evaluating solutions, applying security and architecture principles, and developing applications with Java, SQL, DB2, or Oracle.
Java, J2EE, XML, HTML, SOAP, SQL, DB2, Oracle, Software Life Cycle (SLC), Microsoft Excel
2w
Save
Mark Applied
Hide
IT Specialist (DATAMGT)
Alexandria County, Virginia, United States
$58k-$92k/yr OnsiteFull Time
1+ YOERecent bachelor's or graduate degree and one year of specialized experience in data architecture, modeling, governance, SQL, programming, software architecture, interfaces, XML, JSON, APIs, or data exchange.
Extensible Markup Language (XML), JavaScript Object Notation (JSON), Structured Query Language (SQL), Python, Java, Application Programming Interfaces (APIs), USA Hire, Microsoft Excel
3w
Save
Mark Applied
Hide
Software Quality Assurance (SQA) Specialist / App Tester
Herndon, Virginia, United States
$130k-$260k/yr OnsiteFull Time
Active TS/SCI with Full Scope Polygraph; strong Java automation and Selenium WebDriver experience; SQL data validation across Oracle/Postgres/MySQL; Linux and IDE proficiency; test plan and automation development skills.
Selenium WebDriver, Java, Oracle, Postgres, MySQL, IntelliJ, Eclipse, NetBeans, Linux, Bash, vi, JMeter
2mo
Save
Mark Applied
Hide
Maven Exploitation Specialist/ Data Scientist (Expert)
Springfield or St. Louis
$210k-$230k/yr OnsiteFull Time
4+ YOETS/SCI clearance (willing to take CI Poly),4+ years with SQL/NoSQL and cloud,API experience,Python/JavaScript/Java,building and maintaining ETL/data pipelines,metadata management,and strong written/verbal communication.
SQL, NoSQL, APIs, Python, JavaScript, Java, JSON, parquet, XML, CSV, GitLab, NGA CORE, NGA MLOps
1w
Save
Mark Applied
Hide
Capabilities Development Specialist
Fort Meade, Maryland, United States
$105k-$197k/yr OnsiteFull Time
3+ YOERequires a computer science, mathematics, or engineering degree and relevant experience in software or hardware development, reverse engineering, vulnerability analysis, programming, or systems engineering.
C, C++, Assembly, Java, VHDL, Verilog, FPGA, PCB, DSP, SDR, Ghidra, OllyDbg, gdb, JTAG, Oscilloscopes
3mo
Save
Mark Applied
Hide
Data Engineer / Integration Specialist #1768469
Washington, District of Columbia, United States
RemoteFull Time
10+ YOETen years' exp; Bachelor's in CS; remote with on-site DC as needed; US Citizenship; ability to obtain Public Trust; experience with ETL, APIs, cloud, AWS GovCloud; VA data systems familiarity.
ETL tools, SQL, Python, Java, APIs, Kafka, Kinesis, SQS/SNS, FHIR, AWS GovCloud, S3, Glue, Lambda, RDS, Redshift, Docker, Kubernetes
2mo
Save
Mark Applied
Hide
Junior Data Engineer (Faculty Specialist)
College Park or United States
$80k-$100k/yr RemoteFull Time
B.S. in Computer Science or related field; experience with Python/Java ETL, SQL, database administration, and production DB maintenance; familiarity with non-relational stores, geospatial data, Linux, and cloud platforms.
Python, Java, SQL, PostgreSQL, PgBouncer, Cassandra, Hadoop, Spark, Iceberg, Sedona, PostGIS, Linux, Red Hat Enterprise Linux (RHEL), Bash, Git, Jira, Confluence, Bitbucket, AWS, GCP
1mo
Save
Mark Applied
Hide
Sr. Exploitation Specialist/Data Steward (TS/SCI)
Springfield, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI with CI/Poly,10+ years relevant experience (or equivalent certifications/trainings),Master's in Data Science preferred,expertise with Esri ArcGIS,Python and data libraries,Pandas/NumPy,DB and GIS experience,AI/ML familiarity.
Esri ArcGIS Pro, ArcGIS Online, Safehouse, ICGIS, Python, Pandas, NumPy, SciPy, Matplotlib, Plotly, Dash, Bokeh, R, Microsoft Excel, Microsoft Access, SQL, ArcObjects, Model Builder, Oracle, HTML 5, Javascript, .NET, C++, JAVA, ArcGIS Desktop, ArcGIS Server, Arc SDE, ArcIMS, Spatial Database Engines (SDEs)
2mo
Save
Mark Applied
Hide
GEOINT Technical Field Support Specialist (Onsite)
Fort Meade, Maryland, United States
$87k-$165k/yr OnsiteFull Time
3+ YOETS/SCI with CI Poly required; DoD 8570.1 IAT Level II or IAM Level I; 3+ years Linux Sys Admin; STEM degree or advanced degree; US citizenship.
Red Hat Enterprise Linux, RHEL, Ansible, Bash, Python, Java, DHCP, DNS, LDAP, IPA, CIFS, NFS, Samba, Kubernetes, Containers