Senior Back End Engineer

Senior Back-End Engineer

Remote

Progressive Technology Federal Systems, Inc. (PTFS) has been a leading enterprise Content Services Platform (eCSP) to Federal, Civilian and DoD agencies, has an opening for a Lead Search Engineer.
 
Duties: 

 The Senior Back-End Engineer will serve as the subject matter expert (SME) primarily responsible for the design, development and support of the custom code and open-source products that comprise the search engine Solr. The Java-based custom code includes parsers, query parser language, publisher, consistency check, APIs, monitoring utilities and XSLT transforms. The candidate will be working with the following state of art technologies; Solr, Lucene, Natural Language Processing, Machine Learning, Linux, Groovy, Python, Splunk, Prometheus, Grafana, DevSecOps, Jenkins, Maven, Gitlab, Nexus, Ansible, TDD, BDD, JMeter, Selenium, and other open-source frameworks.

Skills Required: 

• Over 7 years of experience as Solr Search Engineer for an enterprise-level information retrieval system.  
• Strong experience installing, tuning, administering, maintaining, and upgrading Solr on Linux in a large-scale production environment.
• Strong experience indexing large volume of content and metadata to Solr search engine.
• Strong experience developing and maintaining custom query parser on top of Apache Lucene API.
• Strong experience with Solr Search queries optimization and relevancy tuning.
• Strong experience designing, implementing, and maintaining Solr schema.
• Strong experience implementing and maintaining custom parser from unstructured and structured content using core Java and regular expression.
• Strong XML experience including parsing using JAXP and XSLT/XPATH transformation implementation to index metadata.
• Strong experience troubleshooting multi-tiers systems on Linux environment and tunning JVM.
• Experience using templating engine of dynamic language to format and decorate search results.
• Experience implementing monitoring solution using Prometheus and Grafana. 
• Experience with DevOps using Git, Jenkins, Maven, Ansible and Nexus 
• Experience with Behavior-driven development or Test-driven development. test automation and Performance testing.
• Experience with agile software development lifecycle methodologies including Scrum or Kanban.
• Experience authoring and maintaining design documentation, standard operating procedures, and configuration documentation. 

Preferred Skills: 

• Experience with Linux Containers (Docker/Podman), Kubernetes, and deployment of containerized applications/Microservices architectures.
• Experience with AWS and/or other Azure cloud technologies.
• Experience with Machine learning, Natural Language Processing and Vector Search.

Education: A Bachelor's Degree in Computer Science.  

Eligibility: 

• US Citizen with a minimum of three years continuous residency in the USA.
• You must be authorized to legally work in the U.S., PTFS will not sponsor any visas at this time.
• Eligibility for a Public Trust required. 

Benefits:

• 15 days PTO per year
• 11 paid holidays per year
• Medical, Dental & Vision
• 401(k) Plan with matching
• Tuition assistance
• Disability insurance
• Gym in the Rockville, MD office