Middlesex occupies a fortunate and compelling place in Concord, Massachusetts, and in the independent school world. Situated on a beautiful, bucolic Olmsted-designed campus, the School is located within easy striking distance of the Boston/Cambridge area. Middlesex School searches for and prizes teachers and staff members who are inspired equally by their disciplines and by a commitment to sharing their best selves with the wider community. We encourage and support our faculty members as they pursue further study in their fields, recognizing that their own vitality as thinkers and learners energizes their engagement with the young minds in their care.

Our faculty and staff know students not only in the classroom context, but through participation in the varied programs of the School. Through this connection, we enjoy a community based in integrity, intellectual vitality, and mutually held respect. Open Faculty and Staff positions are posted below. Initial contacts and interviews for an open position begin when a job is posted and continue until the position is filled. In applying for any open position, please follow the directions given at the bottom of the job description (cover letter, resume, etc.). All applications will receive a response. If you have any additional questions about the application process you may contact the Human Resources team by sending an email to HR@mxschool.edu.

Career Opportunities

Concord, MA
Technology
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The Network & Systems Administrator is the technology department member tasked with maintaining the network infrastructure and supporting the School’s technology systems and users. Under the direction of the Director of Technology, this position will be responsible for ensuring the School’s network performance and will make recommendations for future improvements in reliability, safety…
Concord, MA
Athletics Positions
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Job Summary: The Part-time Assistant Athletic Trainer provides athletic trainer coverage for Middlesex School athletic programs. The Part-time Assistant Athletic Trainer will practice within the parameters of the Athletic Trainers Licensing Law as laid out by the Athletic Trainers of Massachusetts, and the Standards of Practice laid out by the National Athletic Trainers Association. To learn…

Teacher of Music

Teaching Positions
Concord, MA
Teaching Positions
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Teach multiple topics of music to high school students. Design and facilitate an instructional program. Maintain knowledge of assigned discipline to review and revise curriculum as needed, and to grow repertoire of teaching and learning strategies. Assign homework, tests, and grades. Advise students and provide school communication letters. Manage relationships with students' families that…

Observatory Technician

Administration Positions
Concord, MA
Administration Positions
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Middlesex School seeks a part-time Observatory Technician for the 2025-2026 academic year. The Observatory Technician’s main responsibility is the maintenance of and training on the use of the astronomy based equipment on campus. This includes: Use of the Main imaging telescope (prime focus, fork mounted telescope), its attached camera with eight filter filter wheel, and dome control Support…