Talent Acquisition Sourcer

Boston, MA

Are you looking to step into a Talent Acquisition career? Are you relatively “green”, but driven and looking to gain a robust recruitment foundation? Does learning and working across a company’s functions and locations sound like a worthwhile challenge? Then read on.

Our Talent Acquisition team is searching for a Sourcer to work on the frontlines identifying and attracting talent to contribute to Celtra’s strategic growth. Celtra is creating and leading the Creative Management Platform market empowering Fortune 500 Brands and Premium Publishers to build the highest performing, beautiful digital ad campaigns. In order to maintain our trajectory, we need to keep adding to our highly talented, global team. We are aiming to deliver a proactive, repeatable, and predictable sourcing engine that fills candidate pipelines with consistency. Reporting to the Manager of Talent Acquisition, the Sourcer will learn how to attract talent with efficiency across multiple channels, how Celtra views and attracts talent, and how to be successful in a fast-paced adtech company that is growing rapidly. This is not a low-exposure role, Celtra fosters an entrepreneurial environment where driven, problem-solvers rise to the top. If you want rapid exposure, frequent challenges, and a robust, career-building Talent Acquisition foundation, this is the role for you.


  • Execute on a defined sourcing strategy that covers reactive and proactive candidate pipeline development for current and future hiring needs
  • Source candidates through a variety of search resources (social media, ATS, job boards, networking, internet searches, company targets, referrals, etc.)
  • In collaboration with the TA Manager and functional leaders, build and deliver talent research, sourcing campaigns, and a network of potential candidates
  • Find, engage and activate passive candidates through a combination of deep company knowledge, leveraging multiple sourcing tools, and crafting compelling outreach about key roles and functional areas
  • Evaluate resumes and screen potential candidates to assess fit with requirements and Celtra’s core values
  • Own the initial point contact for candidates, ensuring a positive experience and seamless hand-off to the TA Manager or hiring manager
  • Record, maintain and track candidate activities in applicant tracking system
  • Regularly track, analyze and share sourcing pipeline activity and updates
  • Stay current on external recruiting and hiring trends to influence sourcing, candidate selection, and company targeting
  • Recommend and drive improvements with TA Manager and hiring teams to screen and assess talent
  • Contribute to other ad hoc Talent Acquisition initiatives and projects where necessary


  • 1-2 years experience within a Talent Acquisition or Staffing environment
  • A social, “matchmaker” personality with a motivation from finding talent and engaging with them
  • Ability to be creative, and adaptive, when positioning Celtra and roles in both verbal and written situations
  • A collaborator who views candidate development as a team effort with an ability to push through process, hiring manager, or candidate stagnation
  • A curious mindset and ability to seek information, answer questions, solve for objections and leverage resources independently.
  • Strong academics, BA/BS degree
  • Proven ability to learn and understand complex products and processes
  • High attention to detail and accuracy 


About Celtra

Celtra is the Creative Management Platform for digital advertising. Brand and performance advertisers use our fully self-service platform to create, distribute and optimize the highest quality, data-driven ads at scale, across all channels and screens with great efficiency and control. We power the best video, native and rich media ads for 2/3 of Fortune 500 brands.

If you have an interest in a company who’s interested in both your wellness and your wallet (medical, dental, vision, parental leave, education, fitness, commuter, 401k... you get the picture), you should apply. Celtra is headquartered in Boston (MA), with offices in New York City, San Francisco, London (UK), Sydney (AU) and Ljubljana (SI). For more information, visit Celtra at or @CeltraMobile on Twitter.

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