IT Support Systems Administrator at HTB Group | London

Join our dynamic team at Synthesia as an IT Systems and Support Engineer. You will play a pivotal role in managing and enhancing our IT infrastructure, providing exceptional support to our teams, and ensuring seamless technology operations. This is an opportunity to work with cutting-edge technology in a fast-paced environment while collaborating with a tale…

Anduril Industries is a pioneering defense technology firm dedicated to enhancing military capabilities through innovative solutions. Our mission is to revolutionize the defense sector by integrating advanced technology, expertise, and modern business strategies. With our cutting-edge platform, Lattice OS, we create a sophisticated AI-driven command and control system that processes vast amounts of data in real-time. As strategic competition escalates globally, Anduril is at the forefront, providing military applications of autonomy, AI, computer vision, and sensor technology in rapid deployment scenarios.ABOUT THE TEAMThe Maritime Division at Anduril is tasked with shaping the future of maritime operations through strategic product development and revenue generation. This team collaborates across various disciplines including engineering, business development, and operations to innovate, test, deploy, and sustain Anduril's maritime technologies. As a leader in this division, you will guide the technical evaluation and management of multiple complex initiatives, ensuring alignment with the company’s strategic goals and optimizing resource allocation for maximum impact.ABOUT THE JOBIn this role, you will spearhead the technical advancement of a comprehensive support system for the service, maintenance, and production of maritime products. Your expertise will be critical as you conceptualize and implement methodologies to support extensive fleets of autonomous systems. Collaboration with Anduril’s Strategy team and key customers will be essential to align technical requirements with customer needs, ensuring traceability and effective program execution.Your responsibilities will encompass a broad array of support tasks, leveraging both your technical acumen and leadership capabilities to set clear objectives, cultivate cross-functional teams, and drive projects to completion. Your intuition and experience in programmatic decision-making will be vital in executing successful design, analysis, and testing processes. Ideal candidates will have a proven track record in managing and completing optimized, multidisciplinary projects.

Front Office IT Support Engineer – Trading & Electronic Trading SystemsJoin MARGO in the UK (London)MARGO is a technology-driven consultancy that provides high-value IT expertise to the financial services sector.We thrive in complex Front Office environments where technology, trading activity, and operational constraints converge. Our team supports and manages mission-critical trading systems utilized by Front Office, trading, and risk teams, ensuring responsiveness, reliability, and a deep technical understanding.Being part of MARGO means engaging in challenging Front Office environments while enjoying a close-knit structure, personalized support, and customized training pathways.Business ContextIn this role, you will be integral to Front Office IT Support and Trading Technology, providing support for live trading operations across various asset classes.Our systems are production-critical, operate in real-time, and demand a strong emphasis on stability, performance, and incident management. You will collaborate closely with traders, sales, risk, development, and infrastructure teams.Role OverviewWe are seeking a Front Office IT Support Engineer to oversee, enhance, and maintain trading and electronic trading systems.This position extends beyond mere reactive support; it requires proactive ownership of Front Office platforms, involvement in change initiatives, and hands-on troubleshooting of production issues in real-time settings.Ideal candidates will have a strong passion for trading systems, production environments, and a desire for progressive technical challenges.Key ResponsibilitiesProduction Support & Operations· Deliver Front Office IT support in live trading environments.· Ensure the availability, stability, and performance of trading systems during market hours.· Collaborate with various teams to identify and resolve issues efficiently.

About the Role:Brook Green Supply is an innovative energy provider located in the heart of London, operating a fully independent Microsoft 365 and Azure infrastructure. Our IT department is a dynamic, ownership-driven team responsible for managing the complete technology stack, encompassing everything from end-user support to cloud identity, device management, security, and ongoing infrastructure initiatives.As a Senior IT Systems Engineer (Level 2), you will serve as the primary technical resource within our team, taking charge of complex issues and directly overseeing platform administration across Azure/Entra ID, Exchange Online, Microsoft Intune, Defender, SharePoint, and Cloudflare DNS. You will play a pivotal role in mentoring our Level 1 analysts, spearheading automation improvements, and contributing to the continuous advancement of BGS's independent IT environment.This position is ideal for a technically adept engineer with substantial hands-on experience in M365 and Azure who thrives in an environment that values initiative and offers a broad scope of impact.

Join Arondite as a Deployed Systems Engineer, where you will play a pivotal role in the deployment and management of advanced systems solutions. This position offers an exciting opportunity for technical professionals to showcase their expertise in a dynamic environment.

Are you ready to embrace a new challenge as a System Engineer? Join us in taking charge of the design, maintenance, and optimization of cutting-edge IT systems and infrastructure. If you have a passion for ensuring reliability, security, and scalability across the environments that power Aidence's global operations, we want to hear from you! Your drive for continuous improvement, coupled with your ability to streamline processes and collaborate with cross-functional teams, will be vital in delivering efficient, compliant, and high-performing systems.

Join the Vanguard of InnovationAt Palantir, we are at the forefront of developing advanced software for data-driven decision-making and operational excellence. Our platforms empower organizations to harness data for transformative outcomes—be it in developing lifesaving pharmaceuticals, anticipating supply chain disruptions, or locating missing persons.Your ContributionAs a Systems Engineer within Palantir’s Technical Operations team, you will play a pivotal role in optimizing our core business processes and workflows. Your responsibilities will encompass designing, constructing, and sustaining the infrastructure that underpins our vital business functions, including financial reporting, sales operations, and personnel management. Collaborating with both internal teams and external partners, you will adapt industry tools to meet the dynamic needs of Palantir, while enhancing our utilization of Palantir Foundry and AIP for internal projects.In this capacity, you will provide strategic technical guidance to key stakeholders. A typical day may involve assessing new technological solutions, aligning tech initiatives with business objectives, resolving high-priority system challenges, and engaging in cross-functional collaboration to drive system enhancements. Success in this role requires adeptness in managing multiple business systems while demonstrating flexibility and adaptability to evolving requirements and challenges.

Hudson River Trading (HRT) is seeking a talented Senior GPU Systems Engineer to join our dynamic Research and Development team. In this pivotal role, you will play a crucial part in scaling and advancing our sophisticated HPC/AI research infrastructure. Collaborating with a diverse team of experts, you will ensure our trading and research operations run seamlessly 24/7 across the globe. Your responsibilities will include the design and optimization of extensive GPU compute clusters, identifying and resolving performance bottlenecks, and automating system deployment and monitoring across thousands of nodes. This is a high-impact opportunity that requires innovative thinking and technical expertise in a fast-paced environment.

Join Alten as a Senior Systems Engineer and be part of a leading technology consultancy that specializes in engineering and IT services. In this critical role, you will drive innovative solutions and enhance system performance across various projects.

Join System Canada Technologies as a Linux Systems Configuration Engineer, where you'll play a crucial role in optimizing and configuring Linux systems to enhance operational efficiency. Collaborate with a dynamic team to ensure seamless deployment and maintenance of systems that support our innovative technology solutions.

Join AECOM as the Head of Systems Engineering, where you will lead a team of skilled engineers in delivering innovative engineering solutions across various sectors. Your leadership will drive best practices in systems engineering, fostering a culture of excellence and collaboration. This role offers an exciting opportunity to influence project outcomes and ensure the successful integration of complex systems.

Join Mixpanel as a Sales System Engineer and play a pivotal role in enhancing our sales processes and systems. In this hybrid position based in London, you will collaborate with our sales teams to identify and implement innovative solutions that drive revenue growth and improve efficiency.Your expertise in sales technologies and data analysis will be critical in optimizing our sales strategies. You will work closely with cross-functional teams to ensure that our systems align with business goals and support our sales force effectively.

Are you ready to embrace an exciting new opportunity as a System Engineer? At DeepHealth, we are seeking a dedicated professional who is eager to take charge of the design, maintenance, and optimization of our cutting-edge IT systems and infrastructure. Your role will be crucial in ensuring the reliability, security, and scalability of the environments that support our global operations. If you are passionate about driving continuous improvement, enhancing processes, and collaborating with diverse teams to deliver high-performing and compliant systems, we want to hear from you!

The Trade Desk is a leading global technology firm dedicated to establishing a more accessible and transparent internet through principled and intelligent advertising solutions. Our platform processes over 1 trillion queries daily, operating at an unparalleled scale. We pride ourselves on nurturing an award-winning culture rooted in trust, ownership, empathy, and collaboration. We celebrate the distinctive experiences and viewpoints that every individual contributes to The Trade Desk, and we are devoted to cultivating inclusive environments where everyone can express their authentic selves daily. Are you passionate about tackling complex challenges on a grand scale? Do you long to be part of a vibrant, globally-connected team where your efforts will significantly impact the creation of a better media ecosystem? Discover why Fortune magazine regularly recognizes The Trade Desk as one of the best small to medium-sized workplaces worldwide. About the Role: We are on the lookout for a Lead Systems Reliability Engineer to enhance our engineering team, focusing on the development and upkeep of our data-driven platform. Utilizing cutting-edge technologies such as Aerospike, MongoDB, and Kafka, we execute numerous real-time activities, achieving a remarkable p99 latency of under 1 millisecond on the backend! If you thrive on tuning, performance testing, troubleshooting, automation, and operating at scale, and if you find excitement in testing next-gen hardware, evaluating data access patterns, and architecting automation for distributed systems, we want to hear from you!

EMBARK ON A REWARDING JOURNEY WITH YOUR CAREERAt Eurostar, we are at the forefront of transforming rail travel, operating across five countries and creating new opportunities for travelers. Our trains do more than just connect people; they play a vital role in fostering a greener and more inclusive future. By joining our dedicated team, you'll contribute to an inspiring mission that goes beyond transportation.We are seeking a talented Customer Systems Engineer to join our Rolling Stock team. In this role, you will be instrumental in enhancing customer-facing systems, ensuring that both front-line staff and our customers receive the tools and experiences they expect and deserve, all delivered in a timely fashion.This is a permanent position based on-site at our Temple Mills depot in Leyton. A hybrid work arrangement is available, requiring on-site attendance four days a week.Please note that the application deadline for this role is 5 PM on Tuesday, April 14, 2026. We encourage candidates to apply promptly, as Eurostar reserves the right to reach out to suitable candidates before the deadline and to close the position early if appropriate candidates are identified.

Hypersonica develops advanced defence technology across Europe, with a focus on speed, resilience, and strengthening technological independence. The company values technical excellence and seeks people who approach complex problems with creativity and urgency. Role overview This Junior Systems Engineer position is based in London and sits within a close-knit, skilled team. The role involves hands-on work on projects that influence the future of defence technology. Junior engineers here contribute directly to Hypersonica’s mission and ongoing growth. What makes this role unique Collaborate with experienced professionals in an environment where each team member’s work matters Tackle meaningful challenges and help develop quick, effective solutions Shape the position over time by drawing on your own strengths and interests Support projects that advance Europe’s technological autonomy Who succeeds at Hypersonica People with strong technical abilities and sound judgment Those who thrive both independently and within a team Candidates who have achieved results that others considered unlikely, or who bring a unique mix of skills Individuals ready to take on evolving responsibilities as their contributions grow Applicants with unconventional backgrounds or skills are encouraged to apply, especially if they have a record of delivering results in demanding situations.

About Chalk Chalk is revolutionizing the data platform for the next generation of machine learning applications. We eliminate the complexity, latency, and scalability hurdles that have historically limited ML capabilities. Our platform delivers Rust-speed performance combined with intuitive tools that developers appreciate. Major companies rely on Chalk for various applications, including preventing fraudulent credit card transactions, identity verification, and optimizing clean energy utilization. Recently, we secured a $50 million Series A funding round led by Felicis. About the Role As a Technical Support Engineer at Chalk, you will be the first point of contact for technical assistance, ensuring that our clients enjoy outstanding experiences with our products. You will engage directly with clients in various sectors, including finance, healthcare, and e-commerce, aiding them in troubleshooting and maximizing the efficiency of Chalk's platform. This position provides a unique chance to gain in-depth knowledge of our technology, collaborate closely with our Engineering and Forward Deployed Engineering teams, and make a significant contribution to customer satisfaction and product excellence. What You Will Do Deliver front-line technical support to Chalk customers, swiftly diagnosing and resolving technical issues. Work alongside the Engineering team to escalate and effectively address complex issues. Acquire comprehensive product knowledge to assist customers in deriving maximum value from Chalk. Document solutions, generate knowledge-base articles, and share insights to prevent recurring issues. Spot areas for enhancing product reliability, usability, and overall customer satisfaction. What We're Looking For A technical background with experience in technical support or software engineering. Proficiency in Python and SQL. Strong troubleshooting, problem-solving, and analytical skills. Exceptional written and verbal communication abilities. Capability to collaborate effectively with both technical and non-technical teams. Prior experience in customer-facing technical roles is highly desirable. Bachelor's degree in Computer Science or a related field.

Statkraft is looking for a Senior Power Systems Engineer to join the London office. This position centers on creating solutions that address shifts in the energy sector. Role focus The Senior Power Systems Engineer will work on challenges related to the evolving energy landscape. The work involves applying deep knowledge of power systems to develop practical responses to industry changes. What you bring Expertise in power systems engineering Strong interest in shaping the future of energy systems

Join Egis Group as a Systems Integration Engineer, where you will be at the forefront of innovative projects in systems integration. In this pivotal role, you will collaborate with cross-functional teams to design, implement, and optimize integrated systems that enhance operational efficiency and performance.As a key member of our engineering team, you will utilize your technical expertise to troubleshoot and resolve integration challenges, ensuring seamless interoperability between systems. Your contributions will be vital in delivering high-quality solutions that meet client specifications and industry standards.