Senior Scientist , Mass Spectrometry

Position: Senior Scientist I, Mass Spectrometry
About Tonix*

Tonix is a fully integrated biotechnology company, publicly traded on NASDAQ (ticker: TNXP), with marketed products and a pipeline of development candidates The Company is focused on commercializing, developing, discovering, and licensing therapeutics to treat and prevent human disease. In August 2025, Tonix received FDA approval for Tonmya™ (cyclobenzaprine HCl sublingual tablets), a first-in-class, once-daily, non-opioid treatment for fibromyalgia. Tonmya is the first new fibromyalgia therapy approved in over 15 years, following successful Phase 3 trials demonstrating significant symptom improvement.

Commercial launch is expected in the fourth quarter of 2025. Tonix also markets Zembrace® Sym Touch® (sumatriptan injection) 3 mg and Tosymra® (sumatriptan nasal spray) 10 mg, both indicated for the treatment of acute migraine with or without aura in adults.

Tonix's development portfolio includes product candidates in central nervous system (CNS), immunology, immuno-oncology infectious disease and rare disease. The CNS pipeline features both small molecules and biologics to treat pain, neurologic, psychiatric, and addiction conditions. The immunology portfolio includes biologics to address organ transplant rejection, autoimmunity, and cancer. The infectious disease pipeline includes a vaccine in development to prevent smallpox and monkeypox, which also serves as a live virus vaccine platform for other infectious diseases.

Finally, the rare disease portfolio includes a product in development for Prader-Willi syndrome, which has both orphan drug designation and rare pediatric disease designation grants from the FDA.

Tonix owns and operates a state-of-the art infectious disease research facility in Frederick, Md.

Please visit  for specifics on the pipeline.

* All of Tonix's product candidates are investigational new drugs or biologics and have not been approved for any indication.

Position Overview

Tonix Pharmaceuticals is seeking a highly motivated and enthusiastic scientist in mass spectrometry. Knowledge and experience in the broad field of omics, especially proteomics and glycomics, as well as MALDI-MSI is a requirement. The position is located at the Tonix Research and Development Center (RDC), which is the innovation and development arm of Tonix Pharmaceuticals with unique capabilities in biotechnology. RDC houses complete laboratories dedicated to molecular biology, protein design and computational analysis, protein expression and characterization, immunology, virology, and pathology.

The individual in this position will participate in many aspects of therapeutic and biologics development, discovery, production, characterization, and optimization. We are searching for a motivated, resourceful, and adaptive scientists with an industry mindset and wide spectrum of expertise in MS to join the RDC discovery and development team. The most exciting aspect of this facility is the cadre of scientists with decades of experience in a wide range of specializations that have created a lively, interactive, and exciting scientific facility to provide solutions to some of the most intractable problems in life sciences.

This is a fast-paced challenging position offering a competitive compensation and benefits package. This position will report to the Director of Protein Sciences and will be based at the Tonix Research, and Development Center in Frederick, Maryland.

Key Responsibilities

• Execute Mass Spectrometry-based research projects in a timely and high-quality manner.
• Aid in expansion of current MS capabilities, including staffing requirements.
• Contribute to the development and optimization of omics (peptide mapping, post-translational modifications, glycan profiling, quantitative analysis) and imaging (sub-cellular, deep content) aspects of multiple projects.
• Coordinate facility workload with protein sciences, immunology, and pathology teams.
• Collaborate effectively with cross-functional project teams, proposing innovative discoveries and optimization strategies within Tonix's pipeline.
• Uphold company mission and values, emphasizing accountability, innovation, integrity, quality, and teamwork.
• Perform…