Holt Executive Ltd

A leading IT & Security firm in the United Kingdom is seeking an experienced AWS Engineer to manage and optimize AWS environments and contribute to broader IT responsibilities. This role requires 5+ years in IT infrastructure with a strong background in AWS, Linux, and Windows management. Ideal candidates are proactive, possess excellent communication skills, and can work autonomously. The position offers flexible and hybrid working, 25 days leave, and additional benefits.

An exciting opportunity has arisen for an experienced AWS Engineer / AWS Systems Administrator to join a growing Global IT & Security team supporting a highly technical engineering organization. This role would suit someone from a systems administration background with strong exposure to DevOps principles, cloud infrastructure, and automation. You will work closely with engineering teams to understand their technical requirements and deliver robust, secure, and scalable solutions across cloud and on-prem environments. Your primary focus will be the configuration, management, and ongoing maintenance of a growing AWS estate, alongside broader IT and infrastructure responsibilities. Key Responsibilities Configure, manage, and maintain AWS environments, including VPCs, IAM, EC2, networking, and storage Support existing AWS-based projects and deploy new cloud infrastructure Implement automation and infrastructure as code using tools such as Ansible and Terraform Install and configure Linux and Windows virtual machines Proactively maintain, optimise, and support cloud and on-prem infrastructure Contribute to cost management, security patching, and compliance Support wider IT operations, including on-prem servers, SaaS platforms, and networking Perform backup and disaster recovery testing Essential Skills & Experience 5+ years' experience in a commercial IT or infrastructure role Strong experience managing Linux and Windows environments (build, deployment, software management, reporting) Experience with software deployment Configuration management and automation across Linux and Windows (e.g. scripting, Group Policy, Ansible) Hands on AWS experience supporting live production environments (practitioner level or above) Networking fundamentals, including VPNs Familiarity with version control, ideally Git Proactive, self starting, and able to work autonomously Strong communication skills and ability to collaborate within a team Desirable Skills Experience supporting CI/CD or QA pipelines Strong hands on experience with Ansible and/or Terraform Broad foundational knowledge of Windows and Linux platforms Understanding of IT frameworks and best practices (e.g. ITIL, Scrum) Exposure to Microsoft Azure Experience working within the space, aerospace, or advanced engineering sectors What's On Offer Flexible working around core hours Hybrid working Optional 9/75 working pattern 25 days annual leave (rising to 28) plus bank holidays Life insurance and long term sick pay Private healthcare (taxable benefit) Relocation support Visa sponsorship considered Modern office and technical facilities social events This is an excellent opportunity to work at the intersection of cloud infrastructure, security, and advanced engineering, with real ownership and the chance to make a tangible impact in a technically demanding environment.

A leading engineering firm in the United Kingdom is seeking an experienced Software Engineer to design and develop software solutions for autonomous systems in the marine and defence sectors. The role includes supporting project integration and collaborating with various experts. Candidates should have a degree in a related field and extensive Java experience. Flexible working options and a competitive salary are provided.

Join a cutting-edge engineering team developing autonomous systems for the next generation of marine and defence technology. This is a fantastic opportunity for an experienced Software Engineer to take a leading role in designing, developing, and delivering advanced software solutions that operate in challenging real-world environments. What you'll be doing Designing and developing software for advanced autonomous systems Supporting integration and delivery activities across complex engineering projects Collaborating with hardware, systems and domain experts throughout the development lifecycle Engaging directly with end users to refine functionality and performance Taking a lead role in development discussions and cross-team collaboration What you'll bring Proven experience in software design and delivery A degree (or equivalent experience) in Software Engineering, Computer Science, or a related discipline Knowledge of autonomous system architectures and the marine or defence domain Strong understanding of software engineering processes, tools, and lifecycles Experience working in multi-disciplinary engineering environments Technical skills Essential: Java development Java build systems (e.g. Maven) Experience with the Atlassian toolset (Jira, Confluence, Bitbucket) Knowledge of ISO 9001 quality principles Desirable: HMI / UI development (e.g. JavaFX) GIS development Communication and control system interfaces Git version control UML design Why apply? Hybrid and flexible working options (full-time, part-time or condensed hours) Excellent professional development and progression opportunities Collaborative and innovative engineering cultureCompetitive salary, pension and benefits Security Clearance: Applicants must be eligible to obtain UK Security Clearance (SC).

A technology recruitment firm based in the United Kingdom is seeking a Systems Engineer to join a cutting-edge team developing advanced Cyber and Information Assurance products. The role involves taking technical ownership of various projects, collaborating with multiple engineering disciplines, and engaging in the full product lifecycle. Candidates should have a relevant engineering degree, 5+ years in systems engineering, and be eligible for UK Security Clearance. Join a team tackling complex, real-world problems.

An exciting opportunity has arisen for a Software Developer to join a leading provider of advanced flight simulation technology. You will develop real-time software used in state of the art Full Flight Simulators and Fixed Training Devices that replicate the form, fit, and function of real aircraft flight decks. This role sits at the heart of a major transformation programme and is ideal for someone who is hands on, motivated, and eager to implement change in a fast paced, customer focused environment. Key Responsibilities for the Software Developer Develop real time software for flight simulators, from control systems to graphical user interfaces. Support integration, testing, fault finding, and problem resolution on simulated systems. Contribute to the full product lifecycle, from requirements analysis through to customer acceptance and post delivery support. What You'll Bring Strong C programming skills. Practical understanding of the Systems Engineering V model and/or Software Development Lifecycle. Ability to work collaboratively in a multi disciplinary team, with minimal supervision. Strong communication and presentation skills. Degree in engineering, mathematics, science, or equivalent experience within aviation/aerospace engineering. Desirable Skills Experience with safety critical systems in aerospace, automotive, or related industries. Knowledge of C#, C++, web technologies (JavaScript, HTML), and Windows application development (Visual Studio). Familiarity with ARINC, AFDX, or CAN bus protocols. Experience using the Atlassian toolset (Jira, Confluence, Bitbucket, Bamboo). Benefits 25 days holiday (plus bank holidays), increasing with service, with the option to buy/sell up to 5 days. Private medical insurance (with optional family cover). Pension scheme with up to 7% employer contribution. Life assurance (4x salary, flexible up to 10x). Group income protection. Flexible benefits including healthcare cash plan, dental cover, gym membership, critical illness cover, and cycle to work scheme. Employee assistance programme for mental health and wellbeing. Subsidised staff restaurant and on site parking with electric vehicle charging. Why Join Challenging Projects: Work on cutting edge flight simulators used by global aerospace organisations. Collaborative Environment: Partner with experts across systems, hardware, and software engineering. Innovative Technology: Develop next generation simulation solutions, including avionics hardware and advanced control systems. Career Growth: Opportunities for professional development and advancement within a forward thinking, global industry. Eligibility: Applicants must have the right to work in the UK. This is a unique opportunity to contribute to next generation flight simulation technology, working with cutting edge systems that enhance pilot training and aviation safety worldwide.

Overview An exciting opportunity has arisen for a System Engineer to join a cutting-edge team developing advanced Cyber and Information Assurance (IA) products. This role offers the chance to work across multiple development projects, applying innovative engineering solutions to complex, real-world problems. What You'll Do Take technical ownership of system engineering activities across one or more IA product developments. Collaborate closely with hardware, software, FPGA and mechanical teams to define and deliver coherent technical solutions. Engage in requirements engineering, capturing, analysing and refining requirements across all design disciplines. Contribute throughout the full product lifecycle, from initial concept and architecture through to development, verification, and customer delivery. Support bid proposals and provide technical input to customer discussions to ensure solutions meet end-user needs. What We're Looking For Degree in a relevant engineering discipline and 5+ years' industry experience in systems engineering or a related field. Strong understanding of the systems engineering lifecycle, including requirements management, architecture, and product validation/verification. Broad technical awareness across multiple engineering disciplines, with expertise in at least one area. Ability to produce clear, concise technical documentation and communicate effectively with cross-functional teams. Experience using DOORS or similar tools for requirements management is an advantage. Must hold sole British nationality and be eligible for UK Security Clearance (SC). Desirable Skills Knowledge of system design languages (UML, SysML) and techniques such as use-case analysis or trade studies. Experience preparing technical estimates for bids. Familiarity with mechanical and environmental qualification processes. This is a fantastic opportunity for an experienced System Engineer, or an electronics/software engineer looking to broaden their scope, to play a key role in the design of unique, high-assurance products used in critical national security applications. You'll work with an innovative team tackling challenging technical problems and shaping solutions from concept to delivery.

An exciting opportunity has arisen for a SoftwareEngineer to join a leading provider of flight simulation technology. You will develop real time software used in state of the art Full Flight Simulators and Fixed Training Devices that replicate the form, fit, and function of real aircraft flight decks. This role sits at the heart of a major transformation programme and is ideal for someone who is hands on, motivated, and eager to implement change in a fast paced, customer focused environment. Key Responsibilities for the SoftwareEngineer Develop real time software for flight simulators, from control systems to graphical user interfaces. Support integration, testing, fault finding, and problem resolution on simulated systems. Contribute to the full product lifecycle, from requirements analysis through to customer acceptance and post delivery support. What You'll Bring Strong C programming skills. Practical understanding of the Systems Engineering V-model and/or Software Development Lifecycle. Ability to work collaboratively in a multi disciplinary team, with minimal supervision. Strong communication and presentation skills. Degree in engineering, mathematics, science, or equivalent experience within aviation/aerospace engineering. Desirable Skills Experience with safety critical systems in aerospace, automotive, or related industries. Knowledge of C#, C++, web technologies (JavaScript, HTML), and Windows application development (Visual Studio). Familiarity with ARINC, AFDX, or CAN bus protocols. Experience using the Atlassian toolset (Jira, Confluence, Bitbucket, Bamboo). Benefits 25 days holiday (plus bank holidays), increasing with service, with the option to buy/sell up to 5 days. Private medical insurance (with optional family cover). Pension scheme with up to 7% employer contribution. Life assurance (4 salary, flexible up to 10 ). Group income protection. Flexible benefits including healthcare cash plan, dental cover, gym membership, critical illness cover, and cycle to work scheme. Employee assistance programme for mental health and wellbeing. Subsidised staff restaurant and on site parking with electric vehicle charging. Why Join Challenging Projects: Work on cutting edge flight simulators used by global aerospace organisations. Collaborative Environment: Partner with experts across systems, hardware, and software engineering. Innovative Technology: Develop next generation simulation solutions, including avionics hardware and advanced control systems. Career Growth: Opportunities for professional development and advancement within a forward thinking, global industry. Eligibility: Applicants must have the right to work in the UK. This is a unique opportunity to contribute to next generation flight simulation technology, working with cutting edge systems that enhance pilot training and aviation safety worldwide.

Overview An exciting opportunity has arisen for an experienced Hardware Development Engineer to join a fast-paced, multi-disciplinary team designing and delivering secure digital hardware solutions. This is a hands-on role covering the full development lifecycle, from concept and design through to testing, production support, and customer integration. What You'll Do Take ownership of hardware design and delivery across the entire product lifecycle. Specify and design high-speed digital boards for products and test equipment. Create, build, and test development and production test equipment. Capture schematics and support PCB layout activities. Collaborate closely with Mechanical, Software, and Systems engineers to ensure seamless integration. Perform hardware design verification and support system/software testing. Produce development and production test processes and documentation. Provide production support, including resolving test and manufacturing issues and training production staff. Address design changes, component obsolescence, and integration of secure data products into customer platforms. What We're Looking For Degree in Electronic Engineering or a related discipline. Full hardware development lifecycle experience with a strong grasp of electronic design fundamentals. Proven track record in high-speed digital circuit development and signal integrity. Skilled in hardware testing and troubleshooting using oscilloscopes, logic analysers, and similar tools. Proficiency with industry-standard CAD tools (e.g., Cadence or Mentor schematic/layout). Must be a UK national and able to obtain UK Security Clearance (SC). Desirable Skills Experience supporting production and applying Design for Test (DFT) and Design for Manufacture (DFM) techniques. Embedded firmware design (C/C++/Assembler/Python). Software design for test and test-equipment development. Ability to write test specifications and conduct hardware/system testing. This is a fantastic opportunity to work on innovative, secure hardware technologies, contributing to projects with real-world impact while developing your expertise in a collaborative and forward-thinking engineering environment. TT

A leading technology firm in the UK is seeking an experienced Hardware Development Engineer to join their dynamic team. In this hands-on role, you will cover the full development lifecycle, from design to customer integration. The ideal candidate will hold a degree in Electronic Engineering, possess strong skills in high-speed digital circuit development, and be proficient with CAD tools. This position offers an opportunity to work on innovative secure hardware technologies with a team committed to excellence.

An aviation technology firm in Scotland is looking for a Systems Engineer focused on Integration & Test. This position involves leading hardware-software integration, creating test plans, and ensuring customer acceptance of advanced flight simulation systems. Ideal candidates will have a degree in Aerospace or related fields, proficiency in simulation tools, and strong analytical skills. This role offers a chance to work on cutting-edge technology enhancing pilot training worldwide.

A leading provider of flight simulation technology is seeking a Software Engineer to develop real-time software for state-of-the-art flight simulators. Ideal candidates will have strong C programming skills, a relevant degree, and the ability to work collaboratively in a multi-disciplinary team. The position involves support for integration, testing, and contributing to the full product lifecycle. The role offers a dynamic work environment with opportunities for professional development in transformative projects.

An exciting opportunity has arisen for a Systems Engineer, focussed on Integration & Test, to join a team developing advanced flight simulation systems used by pilot training operations around the world. You will play a key role in system integration, verification, and validation, ensuring these complex simulators meet rigorous operational standards and customer requirements. This is a hands on position at the heart of a major transformation programme, ideal for someone who is highly motivated, customer focused, and eager to implement change. Key Responsibilities System Integration Lead the integration of hardware and software subsystems into cohesive flight simulation systems. Collaborate with multidisciplinary teams to design and execute integration procedures. Diagnose and resolve integration issues, optimizing system configurations for performance and reliability. Verification & Validation Define and execute test plans to verify functionality, safety, and regulatory compliance. Develop and conduct test procedures to validate the accuracy and reliability of flight simulation systems. Produce detailed reports on test results, deviations, and corrective actions. Customer Acceptance Act as the primary point of contact during customer acceptance phases. Conduct system demonstrations and customer specific tests to secure final approval. Provide expert guidance and support throughout the acceptance process. Issue Resolution Respond to issues identified during testing or customer feedback. Lead troubleshooting, root cause analysis, and technical support to resolve complex system problems quickly. Qualifications & Experience Bachelor's degree in Aerospace, Electrical, or Systems Engineering, or a related field (Master's a plus). Strong understanding of flight simulation systems and components. Proficiency in system integration, hardware/software interfaces, and performance testing. Experience with simulation tools and platforms (e.g., MATLAB, Simulink, RTOS). Familiarity with standards such as DO-178C and DO-254. Excellent written and verbal communication skills and strong analytical/problem solving abilities. Desirable Experience with Full Flight Simulators, Flight Training Devices, or other simulation environments. Customer facing experience in system acceptance and post delivery support. INCOSE Systems Engineering training or certification. Knowledge of commercial and/or military flight simulation regulations. Benefits Discretionary Annual Bonus 25 days holiday (plus bank holidays), increasing with service, with the option to buy/sell up to 5 days. Private medical insurance (optional family cover). Pension scheme with up to 7% employer contribution. Life assurance (4x salary, flexible up to 10IER). Group income protection. Flexible benefits including healthcare cash plan, dental cover, gym membership, critical illness cover, and cycle to work scheme. Employee assistance programme for mental health and wellbeing support. Subsidised staff restaurant and on site parking with electric vehicle charging stations. Additional Information Primarily office based (four days a week) with regular lab and simulator facility interaction. Applicants must have the right to work in the UK. למיד This is a unique opportunity to contribute to next generation flight simulation technology, working with cutting edge systems that enhance pilot training and aviation safety worldwide.