[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Johnson Controls International jobs](https://jobs.opennash.com/companies/johnson-controls-international/) · [Search jobs](/search/) Johnson Controls International # Senior Design Engineer Sunbury-on-Thames-Surrey-United Kingdom Hybrid Full-time Senior individual contributor Design Listed on Johnson Controls International’s official careers site. Posted September 17, 2026. Check that it is still open and apply there. [Apply on Johnson Controls International’s careers site →](https://jci.wd5.myworkdayjobs.com/JCI/job/Sunbury-on-Thames-Surrey-United-Kingdom/Senior-Design-Engineer_WD30279682) [OpenNash Jobs](https://jobs.opennash.com/) / [Johnson Controls International](https://jobs.opennash.com/companies/johnson-controls-international/) / Senior Design Engineer ## Job description ### What You Will Do As a Security Systems Design Engineer, you will play a key role in designing and developing enterprise-level electronic security solutions for some of the UK's most complex and high-profile projects. Working in a hybrid role from our offices in Sunbury, Letchworth or Birmingham, you will support the delivery of integrated security systems including Access Control (ACS), CCTV, Intruder Detection Systems (IDS) and Perimeter Intrusion Detection Systems (PIDS). Working closely with sales, project delivery and engineering teams, you will produce high-quality technical designs, develop innovative security solutions and provide technical expertise throughout the project lifecycle. This is an excellent opportunity for experienced security commissioning or service engineers looking to transition into a design-focused engineering role. ### What We Offer Competitive salary plus bonus plan Hybrid working 25 days holiday plus bank holidays Option to purchase up to 10 additional days annual leave Company pension with up to 7% employer contribution Life assurance Employee Assistance Programme Employee referral scheme Employee discounts and retail savings Cycle to Work scheme Discounts on Johnson - Controls products Ongoing training and career development opportunities Supportive, collaborative and safety-driven culture ### How You Will Do It - Design integrated electronic security systems including CCTV, ACS, IDS and PIDS for projects ranging from small installations to multi-million-pound enterprise solutions. Produce detailed technical designs, system architectures, schematics, specifications and supporting documentation. Conduct site surveys and assess customer requirements to develop compliant and cost-effective security solutions. Collaborate with sales and project teams to support bid activities, solution development and project delivery. Provide technical guidance and troubleshooting support throughout the design and implementation phases. Liaise with customers, consultants, suppliers and subcontractors to ensure successful project outcomes. Prepare and maintain documentation using Microsoft Office and Visio. Review architectural, electrical and network drawings to support system design activities. Ensure all designs comply with customer specifications, industry standards and security requirements. ### What We Are Looking For Required Experience in the electronic security industry, ideally in a Design, Commissioning or Service Engineering role. Strong technical knowledge of enterprise security systems including CCTV, Access Control, Intruder Detection and Perimeter Detection. Ability to interpret architectural, electrical and network drawings. Experience producing or supporting technical system designs and documentation. Understanding of integrated security solutions and associated technologies. Proficiency with Microsoft Office applications and Visio. Strong communication and stakeholder management skills. Full UK driving licence. Ability to obtain UK Security Clearance (SC). Beneficial Qualification in Electronics Engineering, Security Engineering or a related discipline. Experience designing high-security or critical infrastructure environments. Knowledge of security system integration platforms and IP-based technologies. Previous experience working on large-scale enterprise security projects. Existing Security Clearance. ## At a glance - Posted by the employer: Sep 17, 2026 - First seen by OpenNash: Oct 13, 2026 - Last checked: Oct 20, 2026 - Listed for: 33 days - Location: Sunbury-on-Thames-Surrey-United Kingdom - Work arrangement: Hybrid - Employment type: Full-time[Apply on Johnson Controls International’s careers site →](https://jci.wd5.myworkdayjobs.com/JCI/job/Sunbury-on-Thames-Surrey-United-Kingdom/Senior-Design-Engineer_WD30279682) ## More jobs at Johnson Controls International ### [Admin](https://jobs.opennash.com/companies/johnson-controls-international/jobs/492efee2378513b01825/) Sunbury-on-Thames-Surrey-United Kingdom ### [Customer Experience Coordinator](https://jobs.opennash.com/companies/johnson-controls-international/jobs/7ed9c257f8fb0f1161ab/) Sunbury-on-Thames-Surrey-United Kingdom ### [Customer Operations Coordinator](https://jobs.opennash.com/companies/johnson-controls-international/jobs/7e602bde0ef0fc7573cd/) Sunbury-on-Thames-Surrey-United Kingdom ### [Customer Service Coordinator](https://jobs.opennash.com/companies/johnson-controls-international/jobs/e5b5d499eb784753b36a/) Sunbury-on-Thames-Surrey-United Kingdom ### [Customer Service Dispatcher](https://jobs.opennash.com/companies/johnson-controls-international/jobs/1fcf56b91c99f25689bd/) Sunbury-on-Thames-Surrey-United Kingdom ## Similar jobs at other companies ### [Senior Staff Datapath Design Engineer and Circuit Design Engineer, VLSI Design Engineering](https://jobs.opennash.com/companies/sandisk/jobs/9c9c9ee8de475c168163/) Sandisk ### [Senior Technologist Datapath Design Engineer and Circuit Design Engineer, VLSI Design Engineering](https://jobs.opennash.com/companies/sandisk/jobs/04c89e21c7a143aa3d7b/) Sandisk ### [Staff / Senior Staff Engineer Digital Design (RTL Design)](https://jobs.opennash.com/companies/infineon-technologies/jobs/bcdb3b7a61b92eede1d2/) Infineon Technologies · Singapore ### [Electrical Design Engineer - Substation Bengaluru, Karnataka Bengaluru, Karnataka ENGINEERING / DESIGN STUDIES / METHODS ENGINEERING / DESIGN STUDIES / METHODS Permanent](https://jobs.opennash.com/companies/vinci/jobs/226b30542f183b716535/) VINCI · Bengaluru, Karnataka ### [Senior Design Engineer - UGC Scotland Gate, England Scotland Gate, England ENGINEERING / DESIGN STUDIES / METHODS ENGINEERING / DESIGN STUDIES / METHODS](https://jobs.opennash.com/companies/vinci/jobs/e05c4ba864beb3623d58/) VINCI · Scotland Gate, England OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)