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AYLAND, MA – R.W. Holmes confirmed that QinetiQ, Inc., the U.S. arm of UK’s QinetiQ Group, will renew a 49,260‑sq‑ft lease at 358 2nd Avenue in Waltham. The property, owned by Hillside Associates, offers flexible, modern space for high‑tech research. Hillside’s senior VP Arthur Amadei handled the landlord side, while QinetiQ was represented by Colliers’ Adam Schindler (Washington, D.C.) and Jason Rexinis (Boston). “We’re delighted to extend our partnership with QinetiQ,” Amadei said. “Waltham is a leading R&D hub in Greater Boston, and this renewal underscores Hillside’s commitment to supporting innovative firms with quality, adaptable facilities.” Located in Waltham’s tech corridor, the site offers easy highway access, a skilled workforce, and proximity to life‑science and tech companies. The deal highlights sustained demand for R&D space in Boston’s established innovation markets and reaffirms Waltham’s strategic importance for defense‑related research.