MPLN offers employment opportunities in diagnostics (molecular, cytogenetics, flow cytometry, anatomic pathology) research and clinical trials, business development, sales, marketing, client services and operations. Located in the foothills of the beautiful Great Smoky Mountains, the laboratory is 20 minutes from Knoxville, Tennessee and offers a flexible benefit package that includes a 401k plan, medical, dental, vision and life insurance, as well as short and long term disability options.

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Human Resources
Molecular Pathology Laboratory Network
250 E Broadway
Maryville, TN 37804

Current Positions

Senior Software Engineer

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Molecular Pathology Laboratory Network, Inc. (MPLN) is seeking a remotely stationed Senior Software Engineer to assist our dynamic team of engineers who are building the next-generation laboratory information management system (LIS or LIMS) for our growing specialty diagnostic and clinical research divisions and for our customers.

Since 1989, Molecular Pathology Laboratory Network, Inc. (MPLN) has been a leader in applying advanced diagnostic laboratory testing in the areas of oncology, infectious disease, genomics and women’s health. Through our clinical divisions (Specialty Anatomic Pathology, Molecular Diagnostics, Flow Cytometry, Cytogenetics and Genomics) and the utilization of automation and a host of advanced molecular technologies, we perform and interpret more than 500,000 specialized tests annually, with specimens emanating from thirty-one states and forty-six countries. For screening, diagnosis, treatment selection and monitoring, MPLN offers a comprehensive portfolio of testing that supports an integrated and seamless diagnostic approach for the evaluation of patients and disease processes.

The successful candidate is a self-motivated, multi-tasker, and demonstrated team-player who will help develop our existing web-based LIS for a cloud environment. You will also be responsible for writing medical device APIs, and notification and report delivery services. The ideal candidate will need experience in .NET Core development and experience in building web applications using AWS.  You will play a critical role in planning and developing our AWS infrastructure and software suite. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.

Required Knowledge and Experience

  • Writing clean, high-quality, high-performance, maintainable code
  • Software development using best practices, including software development lifecycles, cloud-native application design, infrastructure design, automation, deployment, debugging, and monitoring
  • Develop and support software including applications, database integration, interfaces, and new functionality enhancements
  • Coordinate cross-functionally to ensure project meets business objectives and compliance standards
  • Support test and deployment of new products and features
  • Participate in code reviews
  • Languages/frameworks
  • C# / .NET
  • PostgreSQL or SQL Server
  • Core AWS services and architecture best practices
  • Implement CI/CD pipelines to deploy applications into AWS
  • Use Docker containers as the unit of application deployment
  • Designing and implementing application and AWS security best practices
  • AWS CLI and AWS SDKs
  • AWS compute services: One or more of the following
  • ECS
  • EKS
  • Fargate
  • Lambda
  • AWS database services: One or more of the following
  • RDS
  • Aurora
  • DynamoDB
  • ElastiCache
  • AWS storage services: One or more of the following
  • S3
  • EBS
  • EFS

Preferred Knowledge and Experience

  • Proficiency in one or more of the following technologies
  • Git source control
  • JavaScript / Node.js / TypeScript
  • React
  • GraphQL
  • Understanding of enterprise SaaS application design
  • B.S. or higher in related field and/or 3+ years of software industry experience

This position is an exciting opportunity to be a key player in a growing team. We are looking for the right candidate to grasp a detailed understanding of our business and the various services provided by our laboratory operations and translate those needs into modern software tools.

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Medical Laboratory Technologist

Molecular Pathology Laboratory Network, Inc. (MPLN) is a privately held, College of American Pathologists, New York State Department of Health and ISO15189 accredited molecular diagnostic laboratory specializing in oncology, infectious disease testing women's health testing and clinical trials.

Located in the beautiful foothills of the Great Smoky Mountains, MPLN is 20 minutes from Knoxville, Tennessee, home of the University of Tennessee and many cultural and recreational activities. We are minutes away from the Great Smoky Mountains National Park that offers over 900 miles of hiking trails and abundant outdoor activities including easy access to multiple lakes.

Due to ongoing expansion, our laboratory has an immediate opening for a full-time medical technologist/clinical laboratory scientist position. This is a full-time day shift position - Monday through Friday with a Saturday rotation.

The successful candidate must demonstrate the ability to process samples, set up and run assays (Leukemia/Lymphoma Immunophenotyping, Lymphocyte Subset Analysis, PNH) on the cytometer, analyze data and report findings, while performing routine preventive laboratory maintenance, monitoring quality and documenting actions/findings.

Requirements include the ability to articulate and effectively communicate and provide prompt and courteous service to all clients and staff.  A willingness to cross train is a definite plus!

Flow cytometry experience is preferred; however, the qualified candidate will have the opportunity to learn flow cytometry analysis on the job. Successful applicants will have a BS/BA in biology or a related field, excellent communication skills and have current licensure or be eligible for licensure by the State of Tennessee Department of Health-Related Boards as a Medical Technologist, General. (ASCP preferred.)

MPLN values a diverse and collaborative workforce and strives to provide a satisfying and stimulating work environment and offers a competitive benefit package that includes a 401k plan, medical, dental, vision and life insurance, as well as short- and long-term disability options. We also offer a generous relocation package. For more information about MPLN, visit

Please forward a resumé to our Human Resources Department at the following address: Please mention your interest in our flow cytometry position.

Job Type: Full-time, day shift