Senior Security Engineer jobs in Chelmsford

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

Job Description Join the Team Thats Redefining Fire & Security Engineering Were hiring Fire & Security Engineers UK wide and we want to hear from you! Whether youre a seasoned pro in installation or a specialist in servicing and maintenance, this is your chance to join a high-performing regional team thats passionate about protecting people, property, and the environment. At Johnson Controls,...

You will be servicing security systems, i.

Fire & Security PPM Engineer - Mon - Fri Excellent salary and benefits. Various locations across the UK. About us G4S is a global company operating across 120 countries, employing over 650,000 people across the world. You can find more about us here; https://www.g4s.com/en-gb We are at the forefront of the fire and security integrator market in the UK and have an enviable reputation for...

Job Description Security Installation Engineer We are seeking to recruit an experienced Security Installation Engineer to join our team at our Basildon office. This role will support the increasing demand for domestic and commercial security systems, including intruder alarms, CCTV, and access control. About Us Established since 1988, we are a security company that specialises in intruder...

Job Description M Pro Recruitment is working with an established Fire & Security systems provider to recruit a Service & Maintenance Engineer covering London and the surrounding suburbs. The Role: Youll be responsible for preventative maintenance, reactive callouts, and minor remedial works across domestic and commercial properties. The role covers integrated Fire, Security, CCTV, Access...

Job Description A Senior RF Design Engineer will join a thriving Technical Consultancy to work on a complex range of projects from radar systems and advanced robotic systems to sensors and radio communications. The successful Senior RF Design Engineer will be qualified to Degree level in Electronic Engineering or a similar discipline and will bring several years post-graduate experience in...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global scale. 🎯...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You will be a key technical authority for Terraform across our Azure Data and AI platforms. What You’ll Be Doing In this role, you will: - Own and lead Terraform-based infrastructure design for Azure, ensuring scalability, security, and compliance by default. - Develop and maintain advanced Terraform modules, standards, and patterns used across multiple teams and environments.

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

You will be part of a global Cyber Technical Services team, collaborating closely with Threat Intelligence and Incident Response specialists across National Security and Defence programmes. What You'll Be Doing as a Security Testing Consultant (SC) - Deliver end-to-end security testing engagements, including scoping and client wash-up sessions

I'm partnered with an early-stage, post-revenue AI startup is building an end-to-end operating system to help businesses detect and resolve complex B2B issues before they become costly or disruptive. The product is already being used by large enterprises across multiple industries, and demand is growing fast - hence this hire! Backed by a top-tier European venture fund, the company is tackling a...

Principal Software Engineer Basildon 3-Month Contract Paying up to £70p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance – please only apply if suitable Key Responsibilities: - C++ software development - Development of new applications to meet user expectations and within formal constraints -...

The Opportunity: We’re hiring a Sales Development Representative to support continued growth across critical infrastructure and industrial markets. This role sits at the front of the revenue engine and plays a key part in introducing our cyber-physical security platform to organisations operating complex IT, OT, and IoT environments. You’ll engage senior security, engineering, and operations...

You will also play a key role in developing automated test systems and mentoring junior colleagues. Responsibilities include: - Perform in-depth testing of new and existing electronic modules to the highest standards. - Lead complex projects in collaboration with international colleagues.

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Job Description A Senior PCB Design Engineer skilled in PCB design and Layout (using Altium) will use their expertise to contribute to the development of a range of products within commercial, Defence and industrial sectors. Youll bring knowledge of Surface Mount Technology, Design for Manufacture, IPC Standards for high reliability products as well as experience of working with RF...