Role: Intermediate Mechanical Engineer - Building Services\n Location: Milton Keynes (Hybrid)\n Salary: Up to £42k\n\nA well-established building services consultancy, delivering innovative, sustainable, and high-quality MEP design solutions across commercial, industrial, residential, and public sector projects. Known for technical excellence, long-term client partnerships, and a collaborative culture, the business actively supports career progression - with three recent promotions up to Associate Director level and multiple new hires joining in the past year.\n\nThe Milton Keynes office currently has four team members and is expanding to around 8 to support a growing workload. Projects include industrial warehouses for USA developers, multiple schemes with West Northamptonshire Council, and mixed use Industrial/Commercial developments - all offering a mix of design and site-based challenges.\n\nAbout the Role\n As an Intermediate Mechanical Engineer, you'll work closely with a Senior Mechanical Engineer, two junior team members, and an experienced leadership group.

Your time will be split between:\n\n20-30%: Attending site visits, inspections, and client meetings - developing your confidence in representing the company.\n\n70-80%: Mechanical design work, producing innovative, efficient, and compliant solutions.\n\nThe team typically works from home on Thursdays, spends a couple of days each week on-site, and is in the office for the remainder - making it ideal for someone who thrives on variety and collaboration.\n\nKey Responsibilities\n\nSupport the delivery of mechanical building services design projects under the guidance of senior engineers.\n\nAttend site visits and meetings to broaden your project exposure and client interaction skills.\n\nContribute to the preparation of detailed designs, drawings, and specifications.\n\nAssist in ensuring designs comply with relevant regulations and standards.\n\nCollaborate with other engineering disciplines for coordinated project delivery.\n\nAbout You\n\n2-5 years UK experience in building services, ideally within a consultancy or contractor design department.\n\nA degree or HND in Building Services Engineering, Mechanical Engineering, or similar.\n\nProficiency with industry-standard design software (e.g., AutoCAD, Revit, IES).\n\nGood communication skills and a professional, presentable manner.\n\nA willingness to attend meetings and site visits, developing confidence in client-facing situations.\n\nEnthusiasm to learn and take ownership of tasks with support from senior colleagues.\n\nWhy Join?\n\nBe part of a growing Milton Keynes team with strong leadership and clear progression opportunities.\n\nExposure to high-profile industrial, public sector, and commercial projects.\n\nSupport for training, professional development, and career advancement.\n\nA friendly, collaborative team culture with a balanced mix of office, site, and remote working.\n\nIf you'd like more information, get in touch with Danny Brookes from Calibre Search.\n\nCalibre Search promote equality in the workplace and we welcome applications from all suitably skilled or qualified candidates regardless of their , , , religion/beliefs, or . We act as both an employment agency and employment business