At a Glance
- Tasks: Manage and support Microsoft Exchange systems while driving innovation in messaging infrastructure.
- Company: Join Vitol, a leader in the energy sector committed to sustainability and diversity.
- Benefits: Competitive salary, diverse work culture, and opportunities for professional growth.
- Other info: Opportunity to work with cutting-edge technology and contribute to renewable projects.
- Why this job: Be part of a global team transforming messaging systems in a dynamic environment.
- Qualifications: Deep expertise in Microsoft Exchange and strong problem-solving skills required.
The predicted salary is between 70000 - 90000 £ per year.
Vitol is a leader in the energy sector with a presence across the spectrum: from oil through to power, renewables and carbon. From 40 offices worldwide, we seek to add value across the energy supply chain, including deploying our scale and market understanding to help facilitate the energy transition. To date, we have committed over $2 billion of capital to renewable projects, and are identifying and developing low‑carbon opportunities around the world.
Our people are our business. Talent is precious to us and we create an environment in which individuals can reach their full potential, unhindered by hierarchy. Our team comprises more than 65 nationalities and we are committed to developing and sustaining a diverse work force.
We are seeking a highly experienced Senior Systems Engineer with deep expertise in Microsoft Exchange and Enterprise Messaging, to join our Global Core Systems Infrastructure team in London or Geneva. The role focuses primarily on the support, operation, design, and evolution of on‑premises Exchange, while also covering the design and assessment of Exchange Online, hybrid messaging, and broader core infrastructure services. You will be critical in ensuring the availability, security, and performance of business‑critical messaging systems, while contributing to the platform’s long‑term strategy and potential cloud transformation.
Key Responsibilities
- Messaging (Primary Focus)
- With a global team, own and manage Microsoft Exchange (on‑premises) as a core business‑critical service. Supporting messaging and all related services.
- Administer and support Exchange Online and hybrid configurations, including mail flow, transport, and coexistence.
- Manage mailbox lifecycle, migrations, archiving, and retention policies.
- Design and maintain secure mail flow, including anti‑spam, anti‑phishing, and encryption controls.
- Troubleshoot complex messaging, transport, and client connectivity issues.
- Lead or contribute to Exchange modernisation and migration initiatives.
- Core Infrastructure (Secondary Scope)
- Support Active Directory and Entra ID (Azure AD), including hybrid identity and authentication.
- Administer Windows Server environments including DNS, DHCP, ADFS, Certificate Services.
- Manage and maintain VMware virtualisation platforms, including performance, capacity, and lifecycle.
- Support Microsoft 365 services including those related to messaging and collaboration.
- Contribute to high availability, backup, and disaster recovery designs.
- Platform & Operations
- Ensure availability, performance, and resilience of messaging and core infrastructure.
- Apply security best practices aligned with enterprise and regulatory requirements.
- Participate in incident management and complex troubleshooting across infrastructure domains.
- Maintain clear documentation, operational procedures, and system designs.
- Support audits, compliance, and risk assessments.
- Collaborate with global teams and stakeholders across regions.
- Act as a subject matter expert (SME) for Exchange and messaging services.
- Provide technical leadership and mentoring to other engineers.
- Contribute to architecture, design decisions, and strategic roadmap planning.
- Drive improvements in automation, monitoring, and operational efficiency.
Required Skills
- Strong hands‑on experience with Microsoft Exchange Server (on‑premises), Exchange Online, and hybrid environments.
- Enterprise messaging architecture and mail flow design, including transport rules, connectors, and message hygiene.
- Mailbox migrations and coexistence strategies.
- Messaging security (anti‑spam, anti‑phishing, encryption).
- Experience with PowerShell and automation.
Broader Infrastructure
- Solid experience with Active Directory, Entra ID (Azure AD), Microsoft 365, and Windows Server administration.
- Good working knowledge of VMware / vSphere infrastructure.
- Understanding of identity, authentication, and security principles.
- Familiarity with backup, DR, and monitoring platforms.
- Experience leading Exchange → Exchange Online migrations.
- Exposure to large‑scale, globally distributed environments.
- Knowledge of mobile/messaging integration (e.g. Intune / mobile clients).
- Microsoft / M365 / VMware certifications.
Soft Skills
- Reliable and structured, able to operate critical systems with ownership.
- Strong problem‑solver with a methodical troubleshooting approach.
- Clear communicator across technical and business stakeholders.
- Comfortable working in a global, fast‑paced environment.
- Team player with a professional, service‑oriented mindset.
Senior Messaging & Core Infrastructure Engineer (Exchange and Messaging Specialist) in London employer: Vitol Group
Vitol is an exceptional employer that prioritises the growth and development of its employees within a dynamic and diverse work environment. With a commitment to sustainability and innovation in the energy sector, employees have the opportunity to engage in meaningful projects while enjoying a culture that values collaboration and inclusivity. Located in vibrant cities like London and Geneva, team members benefit from a global perspective and the chance to contribute to the energy transition, all while being supported by a strong framework for professional advancement.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Messaging & Core Infrastructure Engineer (Exchange and Messaging Specialist) in London
✨Join the IT Consultancy Buzz
Get involved in local or virtual IT consultancy meetups and forums. This is where we can rub shoulders with industry professionals, get insights into what Vitol Group values, and even spot unadvertised opportunities. Don't miss out on these chances to make a name for ourselves in the IT world!
✨Show Off Your Skills
Create a personal project or case study relevant to the challenges Vitol Group might face. Use platforms like GitHub or Medium to share your findings. This not only demonstrates our consulting skills but shows a proactive attitude, making us stand out from the crowd when applying for that full-time gig.
✨Leverage LinkedIn for Connections
Follow and engage with the relevant thought leaders and influencers in IT consultancy on LinkedIn. Share insightful content and join discussions to gain visibility. A well-placed comment or shared article could catch the attention of someone at Vitol Group!
✨Direct Apply to Vitol Group
Let's not forget to apply directly through the Vitol Group website! Tailor your application to showcase our understanding of their consulting style and how we can contribute to their projects. A personalised approach can make a huge difference in landing that full-time position!
We think you need these skills to ace Senior Messaging & Core Infrastructure Engineer (Exchange and Messaging Specialist) in London
Some tips for your application 🫡
Showcase Your Problem-Solving Skills:In IT consulting, it's all about problem-solving, so make sure your CV highlights your analytical skills and any relevant projects you've tackled. Mention specific technologies or methodologies you've used to resolve issues or improve processes; this shows you can think critically and deliver results, which is vital for us at Vitol Group.
Highlight Relevant Certifications:Certifications like ITIL, PMP, or even specific tech stack qualifications can really make you stand out. Make sure to include these in your CV, as they not only demonstrate your expertise but also your commitment to staying current in the field. We love seeing candidates who are proactive about their professional development!
Tailor Your Cover Letter:Your cover letter is your chance to connect personally with us at Vitol Group. Share stories about your experiences in IT consulting, and how they shaped your desire to join our team. Mention why you’re excited about this particular role, and how you see yourself contributing to our projects.
Keep It Clear and Concise:We're all busy, so make sure your application is easy to read. Use bullet points for key achievements, and don’t overload us with jargon. A clean, professional layout goes a long way. Remember, the clearer your application, the more likely we are to invite you in for an interview!
How to prepare for a job interview at Vitol Group
✨Brush Up on Your Technical Skills
For an IT consulting role, be ready to demonstrate your technical prowess. You might face questions on systems integration, cloud technologies, or even troubleshooting specific software. If you have experience with tools like AWS, Azure, or even specific programming languages, make sure you can talk about them fluently.
✨Showcase Your Problem-Solving Approach
IT consulting is all about solving problems for clients. Think about how you can illustrate your approach to a past challenge using the STAR method (Situation, Task, Action, Result). It's a great way to show how you tackle complex issues and come up with effective solutions.
✨Know the Business Impact of IT Solutions
When discussing your experiences, focus not just on the tech solutions you implemented, but also on their business impact. Employers want to see that you can connect IT with organisational goals. Prep examples that highlight how your tech contributions improved efficiency or reduced costs for past clients or projects.
✨Prepare for Behavioural Questions
Since IT consulting often involves teamwork and client interactions, expect behavioural questions that assess your interpersonal skills. Be prepared with examples that demonstrate your adaptability, communication skills, and how you handle client feedback. Before the interview, think of situations where you worked closely with clients to create effective IT strategies or changes.
