<p><strong><span data-contrast="auto">What if…</span></strong><span data-contrast="auto"> you could join an organization that creates, resources, and builds life sciences companies that invent breakthrough technologies in order to transform health care and sustainability?</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></p> <p><span data-contrast="auto">Flagship Labs 129 (FL129) is an early-stage biotechnology startup with an ambitious and exciting mission: to unlock the future of small molecule drug discovery. FL129 is developing a revolutionary approach to this challenge and is recruiting a team of top-tier scientists to build this powerful and first-in-category platform. This is a unique opportunity to be one of the first employees of a biotech startup that combines an innovative mindset with the resources and know-how of Flagship Pioneering. This is a hands-on role with substantial ownership for a scientist who is excited to set technical direction from day one and, over time, help build the team.</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></p> <p><strong><span data-contrast="auto">Position Summary:</span></strong><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></p> <p><span data-contrast="auto">We are seeking a motivated and highly collaborative Senior Scientist to join FL129’s growing team of experimental and computational scientists to build a novel platform technology. The successful candidate will have a strong track record of scientific and technical innovation in DNA-encoded library (DEL) design, synthesis, and affinity-based selection. Deep experience with DNA-compatible chemistry and with hit deconvolution and validation is essential, and additional experience with cheminformatic analysis of chemical space and library diversity is strongly desired. The ideal teammate will be highly adaptable, have strong organizational and communication skills, and will thrive in a highly collaborative and multidisciplinary environment.</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></p> <p><strong><span data-contrast="auto">Key Responsibilities:</span></strong><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></p> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><strong><span data-contrast="auto">Technology development</span></strong><span data-contrast="auto">, aligned with FL129’s core strategic goals. This role is among the first hires, and we’re looking for someone who thinks critically and will influence the company’s scientific direction.</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Design, construction, and quality control of DNA-encoded small molecule libraries, including building-block selection and validation</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Execute and optimize affinity-based selections against protein targets, including appropriate control selections and enrichment analysis</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Deconvolute and validate screening hits, including off-DNA resynthesis and confirmation of activity</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Optimize existing workflows and establish best experimental and documentation practices to enable platform excellence.</span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="6" data-aria-level="1"><span data-contrast="none">Ensuring rapid and accurate turnaround of data to drive achievement of key project goals.</span><span data-ccp-props="{"134233117":true,"134233118":true}"> &l