At a Glance
- Tasks: Lead design and delivery of innovative client solutions in a hybrid role.
- Company: Join ECI, a global leader in managed services and cybersecurity.
- Benefits: Competitive salary, flexible working, and a supportive team culture.
- Other info: Dynamic environment with opportunities for professional growth and development.
- Why this job: Make a real impact by bridging strategy and hands-on engineering.
- Qualifications: Experience in enterprise IT architecture and strong client engagement skills.
The predicted salary is between 70000 - 90000 £ per year.
ECI is the leading global provider of managed services, cybersecurity, and business transformation for mid-market financial services organizations across the globe.
From its unmatched range of services, ECI provides stability, security and improved business performance, freeing clients from technology concerns and enabling them to focus on running their businesses.
More than 1,000 customers worldwide with over $3 trillion of assets under management put their trust in ECI.
At ECI, we believe success is driven by passion and purpose. Our passion for technology is only surpassed by our commitment to empowering ouremployees around the world.
The Opportunity
ECI has an exciting opportunity for an experienced Principal Systems Engineer to join our London team.
In this role, you will play a pivotal role bridging strategic design and hands-on delivery.
T his individual will lead the design and architecture of client solutions , working with our Technical Architecture team on high-level design (HLD) , and driving low-level design (LLD), while also providing expert consultancy and engineering delivery.
The EA will act as a trusted advisor to clients, ensuring that solutions are technically sound, aligned with business goals, and delivered effectively.
This role requires a strong background in Microsoft 365, cloud platforms, and enterprise infrastructure, with the ability to operate independently , whilst working closely with our Technical Architecture, Client Technology and Senior Engineering Teams.
Regular face-to-face contact with internal stakeholders, engineers and clients is essential to the success of this role .
This is a hybrid role with a strong preference for candidates to be based in the London area.
What you will do
- Client & Team Engagement
- Act as a trusted advisor to clients, engaging consultatively to understand goals, technical challenges, and strategic priorities.
- Lead client-facing workshops and architecture sessions to define solution roadmaps and technical direction.
- Provide mentorship and technical guidance to internal teams, promoting knowledge sharing and architectural best practices.
- Collaborate cross-functionally with Technical Architects, Client Technology Managers, Project Managers, and Engineering teams to add value and ensure alignment and delivery excellence.
- With a deep familiarity and knowledge of the client environment, o wn the low-level design (LLD) process , ensuring scalability, security, and performance.
- Working with Technical Architects on High-level designs (HLD), t ranslating business and technical requirements into architectural blueprints and implementation plans.
- Maintain architectural oversight across the project lifecycle, ensuring adherence to standards and design integrity.
- Evaluate and recommend technologies, platforms, and tools that align with client needs and enterprise strategy.
- Produce high-quality documentation including architecture diagrams, design specifications, and technical standards.
- Draft and present complex, multi-phase Changes to technical and non-technical stakeholders.
- Participate in, and where required lead, client and internal TABs and CABs.
- Lead technical delivery of infrastructure and cloud transformation projects, ensuring timely and quality outcomes.
- Troubleshoot complex technical issues across cloud, networking, and security domains, providing resolution and root cause analysis .
- Contribute to continuous improvement by identifying opportunities to optimise delivery processes and technical standards.
Who you are
- Proven experience in enterprise IT architecture, consultancy, and hands-on delivery
- Strong client engagement skills with the ability to lead workshops and present to technical and non-technical audiences
- Deep expertise in Microsoft 365 and Azure, with a focus on solution design and implementation
- Strong documentation and communication skills, including HLD/LLD and technical standards
- Experience working across project delivery, engineering, and architecture teams
- Ability to operate independently while collaborating effectively with internal stakeholders
- Familiarity with change management processes including CAB/TAB participation
- Experience in a Managed Service Provider or financial services environment preferred
- Certifications in Microsoft cloud technologies or enterprise architecture frameworks desirable
ECI’s culture is all about connection - connection with our clients, our technology and most importantly with each other.
In addition to working with an amazing team around the world, ECI also offers a competitive compensation package and so much more.
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Principal Systems Engineer employer: ECI
ECI is an exceptional employer that fosters a collaborative and innovative work culture, particularly for the Team Lead, Implementation Services role based in London. Employees benefit from a hybrid working model, opportunities for continuous learning and professional development, and the chance to work with cutting-edge technologies in cloud solutions. With a strong emphasis on teamwork and mentorship, ECI empowers its staff to drive project success while ensuring a supportive environment that values individual contributions.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Systems Engineer
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at ECI or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to ECI.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like ECI.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like ECI that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Principal Systems Engineer
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at ECI.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at ECI and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at ECI
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If ECI uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
