Senior Back End Engineer Security Clearance

Position: Senior Back End Engineer with Security Clearance
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, Dev Sec Ops , 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 Dev Ops 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